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Behringer Shark FBQ100 Owner's Manual PDF

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Summary of Content for Behringer Shark FBQ100 Owner's Manual PDF

User Manual

SHARK FBQ100 Automatic Feedback Destroyer with Integrated Microphone Preamp, Delay Line, Noise Gate and Compressor

2 SHARK FBQ100 User Manual

Thank you Thank you very much for expressing your confidence in BEHRINGER products by purchasing the SHARK FBQ100.

Table of Contents Thank you ....................................................................... 2

Important Safety Instructions ...................................... 3

Legal Disclaimer ............................................................. 3

Limited warranty ............................................................ 3

1. Introduction ............................................................... 4

1.1 The concept .......................................................................... 4

1.2 Before you begin ................................................................ 4

1.3 Control elements ................................................................ 4

2. Applications ............................................................... 6

2.1 Wiring the FBQ100: general remarks ........................... 6

2.1.1 Connection between microphone and mixing console ................................................................. 6

2.1.2 Connection between line-level source and mixing console ................................................................. 6

2.1.3 Connection between mixing console and power amplifier ............................................................... 6

2.1.4 The SHARK used in the monitor path .................... 6

2.1.5 The SHARK used in single channels and subgroups .......................................................................... 7

2.1.6 Automatic tuning in of P.A. and monitor systems ....................................................................... 7

2.2 The feedback destroyer in the SHARK ........................ 7

2.3 The integrated delay ......................................................... 7

2.4 The noise gate function ................................................... 8

2.5 The low cut filter in the SHARK ...................................... 8

2.6 The compressor function ................................................ 8

3. Installation ................................................................. 8

3.1 Audio connections ............................................................. 8

4. Specifications ............................................................. 9

5. Rackmount (Optional) ............................................. 10

3 SHARK FBQ100 User Manual

Important Safety Instructions

LEGAL DISCLAIMER

LIMITED WARRANTY

Terminals marked with this symbol carry electrical current of suffi cient magnitude to constitute risk of electric shock.

Use only high-quality professional speaker cables with " TS or twist-locking plugs pre-installed. All other installation or modifi cation should be performed only by qualifi ed personnel.

This symbol, wherever it appears, alerts you to the presence of uninsulated dangerous voltage inside the

enclosure - voltage that may be suffi cient to constitute a risk of shock.

This symbol, wherever it appears, alerts you to important operating and maintenance instructions in the

accompanying literature. Please read the manual.

Caution To reduce the risk of electric shock, do not remove the top cover (or the rear section).

No user serviceable parts inside. Refer servicing to qualifi ed personnel.

Caution To reduce the risk of fi re or electric shock, do not expose this appliance to rain and

moisture. The apparatus shall not be exposed to dripping or splashing liquids and no objects fi lled with liquids, such as vases, shall be placed on the apparatus.

Caution These service instructions are for use by qualifi ed service personnel only.

To reduce the risk of electric shock do not perform any servicing other than that contained in the operation instructions. Repairs have to be performed by qualifi ed service personnel.

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with dry cloth.

7. Do not block any ventilation openings. Install in accordance with the manufacturers instructions.

8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifi ers) that produce heat.

9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fi t into your outlet, consult an electrician for replacement of the obsolete outlet.

10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.

11. Use only attachments/accessories specifi ed by the manufacturer.

12. Use only with the cart, stand, tripod, bracket, or table specifi ed by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid

injury from tip-over.

13. Unplug this apparatus during lightning storms or when unused for long periods of time.

14. Refer all servicing to qualifi ed service personnel. Servicing is required when the apparatus has been damaged in any way, such as power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

15. The apparatus shall be connected to a MAINS socket outlet with a protective earthing connection.

16. Where the MAINS plug or an appliance coupler is used as the disconnect device, the disconnect device shall remain readily operable.

TECHNICAL SPECIFICATIONS AND APPEARANCES ARE SUBJECT TO CHANGE WITHOUT NOTICE AND ACCURACY IS NOT GUARANTEED. BEHRINGER, KLARK TEKNIK, MIDAS, BUGERA, AND TURBOSOUND ARE PART OF THE MUSIC GROUP (MUSIC-GROUP.COM). ALL TRADEMARKS ARE THE PROPERTY OF THEIR RESPECTIVE OWNERS. MUSIC GROUP ACCEPTS NO LIABILITY FOR ANY LOSS WHICH MAY BE SUFFERED BY ANY PERSON WHO RELIES EITHER WHOLLY OR IN PART UPON ANY DESCRIPTION, PHOTOGRAPH OR STATEMENT CONTAINED HEREIN. COLORS AND SPECIFICATIONS MAY VARY FROM ACTUAL PRODUCT. MUSIC GROUP PRODUCTS ARE SOLD THROUGH AUTHORIZED FULLFILLERS AND RESELLERS ONLY. FULLFILLERS AND RESELLERS ARE NOT AGENTS OF MUSIC GROUP AND HAVE ABSOLUTELY NO AUTHORITY

TO BIND MUSIC GROUP BY ANY EXPRESS OR IMPLIED UNDERTAKING OR REPRESENTATION. THIS MANUAL IS COPYRIGHTED. NO PART OF THIS MANUAL MAY BE REPRODUCED OR TRANSMITTED IN ANY FORM OR BY ANY MEANS, ELECTRONIC OR MECHANICAL, INCLUDING PHOTOCOPYING AND RECORDING OF ANY KIND, FOR ANY PURPOSE, WITHOUT THE EXPRESS WRITTEN PERMISSION OF MUSIC GROUP IP LTD.

ALL RIGHTS RESERVED. 2013 MUSIC Group IP Ltd. Trident Chambers, Wickhams Cay, P.O. Box 146, Road Town, Tortola, British Virgin Islands

For the applicable warranty terms and conditions and additional information regarding MUSIC Groups Limited Warranty, please see complete details online at www.music-group.com/warranty.

4 SHARK FBQ100 User Manual

1. Introduction 1.1 The concept With the SHARK FBQ100 you purchased a device that combines an automatic Feedback Destroyer using the ingenious search algorithms of our FEEDBACK DESTROYER FBQ1000, a variable Delay Line (adjustable in msec, feet and meter), a ULN (Ultra-Low Noise) microphone pre-amp with Phantom Power, an automatic Noise Gate, a variable Low Cut filter and a Compressorall in one ultra-rugged and compact case. Still, the SHARK can be operated intuitively and expanded to a multi-channel system using another four SHARKs and an optionally available 19" rack mount kit. The SHARKs 24-bit A/D and D/A converters guarantee a precise reproduction of your program material.

High volume levels and the use of ever more sophisticated monitoring systems with a multitude of speaker cabinets have led to a greater potential risk of feedback loops in sound reinforcement systems. So far, audio engineers have been using conventional 1/3-octave equalizers to suppress unwanted feedback. However, the individual filters of such an EQ, with their relatively wide bandwidth, have quite an impact on the sound image. With the BEHRINGER SHARK (minimum bandwidth: 1/60 of an octave) you are now free to either choose the trial and error method to suppress feedback with graphic equalizers, or to assign this task to the FBQ100, so that you can give your music your undivided attention. Using extremely narrow-bandwidth filters, the SHARK FBQ100 eliminates only unwanted feedback, without affecting your music.

Speaker Box

Microphone

Mixing Console Power Amp

Fig. 1.1: Typical feedback loop

1.2 Before you begin Your SHARK was carefully packed in the factory and the packaging is designed to protect the unit from rough handling. Nevertheless, we recommend that you carefully examine the carton and its contents for any signs of physical damage, which may have occurred during transit.

If the unit is damaged, please do not return it to BEHRINGER, but notify your dealer and the shipping company immediately, otherwise claims for damage or replacement may not be granted. Shipping claims must be made by the consignee.

The optionally available rack mount kit allows you to mount your BEHRINGER SHARK in a standard 19" rack, together with another four SHARKs. The rack mount kit requires 2U of rack space.

Be sure that there is enough air space around the unit for cooling and please do not place the SHARK on high-temperature devices such as power amps, etc. to avoid overheating.

Please use the enclosed power supply to connect the unit to the mains. The supply complies with all applicable safety standards.

Please note that all units must be grounded properly. For your own safety, you should never remove any ground connectors from electrical devices or power cords or render them inoperative.

Further information can be found in chapter 3 Installation.

As a standard the audio inputs and outputs of the BEHRINGER SHARK FBQ100 are fully balanced. If possible, connect the unit to other devices in a balanced configuration to allow for maximum interference immunity. The automatic servo function detects unbalanced connections and compensates the level difference automatically (6 dB correction).

1.3 Control elements

(1)

(9) (10) (11) (12) (13)

(2) (3) (4) (5)

(7)(6) (8)

Fig. 1.2: Front panel control elements of the FBQ100

(1) The CLIP LEVEL METER shows you whether or not the digital circuitry is driven correctly. Any corrections can be made with the CLIP LEVEL control (2). Be sure that the CLIP LED wont light up.

(2) The CLIP LEVEL control lets you adapt the internal gain optimally to the digital circuitry. If gain is too high (CLIP LED lights up), raise the CLIP LEVEL value by turning the control to the right (and vice versa). Thus, you can shift the operating level upwards/downwards.

The CLIP LEVEL control does not affect the input/output levels, but adapts the audio signal as optimally as possible to the threshold of the digital circuitry.

(3) These five LEDs symbolize the units of the parameters that can be adjusted on the display (4).

(4) The 4-digit DISPLAY reads the absolute values of the adjusted parameters.

(5) The FB-D FILTER STATUS LEDs display the status of each of the 12 individual filters. The SHARK uses four different filter modes:

Disabled filters (which can be re-enabled with the ACTIVE button). When a filter is off, its LED is not lit.

Free filters which automatically search for feedback frequencies and whose activity is shown by a flashing LED.

Set filters which can be reconfigured as free (searching) filters, when all filters are currently in use.

Permanently set filters which must be RESET to be reconfigured as free filters.

Once a filter has been set, its LED lights up.

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(6) The DELAY button allows you to adjust the Delay Line time. Press the button several times to either choose msec, feet or meter. The last unit selected will be stored and recalled next time you use the DELAY function. The control LED lights up while you are making your entries. The setting range is from 0 to 2,500.0 msec, 0 to 2,818.2 feet, and 0 to 859.00 meters. When you are using high values, the 4-digit display reads the last figure only when you start editing with the UP/DOWN buttons. Example: for a value of 1,500.0 msec, the display reads 1500 when you press the DELAY button, and 500.0 when you start editing. In this way, you can use extremely small steps when editing parameters.

To speed up the selection, briefly press the key located next to the UP or DOWN key. The selection speed will be increased with each additional key press. This function can be used for all parameter edits.

(7) The DOWN button lowers the parameter values shown in the display (4).

(8) The UP button raises these parameter values.

(9) The LOW CUT button lets you enter the high pass filters cut-off frequency (20 to 150 Hz). When set to OFF the filter is inoperative. The control and Hz LEDs light up while you are entering a value. Use the UP/DOWN buttons to edit. Pressing the LOW CUT button for a longer time (please wait, until all five parameter LEDs light up) enables the keypad lock feature which prevents inadvertent editing of parameters and settings. When the keypad lock is enabled, the LOW CUT keys control LED starts flashing.

(10) Use the GATE button to adjust the threshold of the internal Noise Gate (-96 dB through -44 dB). When set to OFF, the Noise Gate is inoperative. The control LED of the GATE button lights up while you are entering a value. Pressing the GATE button for a longer time (please wait, until all five parameter LEDs light up) enables the GATE LEARN function, which automatically sets the Noise Gate threshold by analyzing the program material and adjusting the value accordingly (value detected plus 2 dB). In GATE LEARN mode, the GATE keys control LED starts flashing. As long as the LED flashes, the detected value is read on the display, when the LED stops flashing, the value is raised by +2 dB.

(11) The COMPRESSOR button gives you access to two parameters that let you adapt the FBQ100s Compressor function to the program material. Press the button once to adjust the DENSITY parameter, which controls the compression density from 0 (no processing) to 100 (maximum compression). Press the COMPRESSOR button a second time to adjust the SPEED parameter which controls the Compressors attack and release times from 10 to 1000 msec. The msec LED lights up as soon as you select the SPEED parameter.

(12) The FILTER key allows you to set the feedback detection sensitivity within a range from 1 (no sensitivity) through 100 (full sensitivity). The default value is 50. The control LED lights up during data entry. Briefly press the FILTER key a second time to edit the maximum attenuation of the FB-D filter (from -3 dB through -48 dB in steps of 3). Pressing the FILTER key longer (please wait, until all five parameter LEDs light up) activates the FILTER LEARN function, which automatically searches for feedback frequencies and assigns free filters to the frequencies found. Now you can enter the number of filters (standard: 9) to be used for permanent feedback suppression. Although the remaining filters are also used to eliminate feedback frequencies, they are released once new feedback occurs. Pressing the FILTER key once again activates the FILTER LEARN function.

When both FILTER LED and display stop flashing, the FILTER LEARN function has been completed. Press the FILTER key to cancel the function. After a short delay, the unit returns to the FILTER menu.

The FILTER LEARN function generates short feedback-causing signals that are sent back to the FBQ100s input, where feedbacks are detected and suppressed. The FILTER LEARN function is an useful tool for live concerts that prevents filters from being released prematurely. Fixed filters can only be reconfigured as free, searching filters by means of a RESET. In normal mode, which is activated after power-up, set filters are automatically released one after the other, when free filters are needed to search and destroy feedback frequencies.

To ensure that the FILTER LEARN function works properly, the short feedback-causing signals are output with a level of -18 dB below digital maximum. However, the feedback caused during the FILTER LEARN procedure will be limited by the compressor to -30 dB below digital maximum. Please note that considerable volume levels can still occur, which is why you should use the FILTER LEARN function only before the concert/event begins.

(13) Enable the ACTIVE button to set inoperative filters to automatic search mode. When this button is up (control LED is off), those filters are inoperative which have not yet found a feedback frequency. Pressing the ACTIVE button for a longer time (please wait, until all five parameter LEDs light up) enables the RESET function. All filters will be reset, i.e. set to automatic search mode.

(14)

(17) (18) (20) (22)(19) (21)

(15) (16)(23)

Fig 1.3: Rear panel control elements and connectors of the FBQ100

(14) This is the SHARKs balanced XLR OUTPUT.

(15) This is the SHARKs balanced XLR INPUT.

(16) The MIC GAIN control adjust the input signal gain, when the INPUT LEVEL switch (21) has been pressed (position: MIC). To adjust microphone levels you can use the CLIP LEVEL indicator, by setting the CLIP LEVEL control to mid-travel position. Please make sure that the CLIP LED will not light up.

(17) Use the POWER SUPPLY CONNECTOR to hook up the SHARKs external power supply.

(18) This is the SHARKs balanced JACK OUTPUT, which carries the same signal as the XLR output.

(19) The OUTPUT LEVEL switch controls the reference level provided by the outputs of the FBQ100. Possible values are: +4 dBu or microphone level.

(20) This is the SHARKs balanced JACK INPUT, which is wired in parallel to the XLR input.

6 SHARK FBQ100 User Manual

(21) Use the INPUT LEVEL switch to select the input sensitivity (microphone or line levels). In LINE mode, you can use the CLIP LEVEL control to adapt the internal level settings to the digital circuitry. Please make sure that the CLIP-LED will not light up.

(22) The PHANTOM switch enables the Phantom Power supply required for condenser microphones.

(23) The PHANTOM CONTROL LED lights up when Phantom Power is on.

2. Applications 2.1 Wiring the FBQ100: general remarks With its great versatility the SHARK can be used for a variety of applications. This chapter describes connection and configuration examples of the most common applications.

2.1.1 Connection between microphone and mixing console

In live applications it is often useful to protect specific single microphones against feedback. We therefore recommend that you connect the SHARK between your microphone and a microphone input on your mixing console (OUTPUT LEVEL switch set to MIC). If all mic inputs are in use, you can set the SHARKs OUTPUT switch to +4 dBu (switch pressed) and adapt the output signal of your SHARK to a line input on your console using the MIC GAIN control. To prevent the occurrence of subsonics you can activate the SHARKs Low Cut filter. Switch on Phantom Power when you are using condenser microphones.

Mic In / Line In

Mic / +4 dBu Mic

Fig. 2.1: The SHARK connected between microphone and microphone input on console

2.1.2 Connection between line-level source and mixing console

At first sight, this configuration may seem to make no sense, because line-level sources usually have no problems with feedback frequencies. However, acoustic instruments are often equipped with so-called piezo pickups which are susceptible to feedback. In such a case, we recommend that you route the audio signal through the SHARK before feeding it into the console.

Line In

+4 dBu Line

Fig. 2.2: The SHARK connected between acoustic guitar and line input on console

2.1.3 Connection between mixing console and power amplifier

When you use the SHARK as a Delay Line unit for speaker systems placed at various positions (see chapter 2.3), you should connect the SHARK between the consoles output and the input of the power amp driving the delayed speakers.

Delayed Speakers Speakers on Stage

+4 dBu

Master Out

Line

Fig. 2.3: The SHARK connected between console and power amp

2.1.4 The SHARK used in the monitor path

Inserting the FBQ100 in the monitor path of your mixing console gives you utmost protection against unwanted feedback. Monitor paths are particularly susceptible to feedback, because on stage there are usually several microphones and speakers placed close to each other. Especially vocal microphones pose some problems, because their volume levels must be fairly high to be able to compete with other instruments, and often these microphones are hand-held and hence carried around on stage. It is therefore useful to protect the monitor path against feedback. In particular, when used in the monitor path, the SHARK produces a positive side effect in that it improves both sound and volume of the monitors. By filtering interference it makes the sound more transparent and by eliminating unwanted feedback it allows for raising the volume of the monitors, an effect that is usually welcomed by musicians on stage. Another advantage when using this configuration: one SHARK can control several microphones. As at least four monitor paths are used in a typical live application, all you need are four SHARKs to give you optimum feedback protection.

7 SHARK FBQ100 User Manual

Monitoring P.A.

+4 dBu Line

Monitor Out

Master Out

Fig. 2.4: Two SHARKs in the monitor path

2.1.5 The SHARK used in single channels and subgroups

Whenever you want to make sure that wanted feedback such as the feedback sounds produced by a guitar wont be removed, you should insert one or several FBQ100 into feedback-prone single channels (e.g. vocals) or subgroups of your mixing console! Route all channels that are susceptible to feedback (e.g. all vocal mics) to one or several subgroups, in which you insert one or several SHARKs. In this way, all channels that are less liable to produce feedback (e.g. those carrying line-level signals, or instrumental microphones with lower volumes) can pass the console unaltered, while only critical microphone channels are controlled by the FBQ100. Thus, you can protect your sound reinforcement system against feedback and still use wanted feedback sounds.

Mixer Insert Point

Send

Return

Out

Return

Send Ground Ground

+4 dBu

Line In

Fig. 2.5: The SHARK in the insert path

2.1.6 Automatic tuning in of P.A. and monitor systems

With the FBQ100 you can improve the protection against feedback even before a concert begins, simply by tuning in your sound reinforcement system: once the system has been installed and set up, open all microphone channels and monitor paths, then enable FILTER LEARN mode on your FBQ100. The SHARK generates short feedback-causing signals, which are then sent back to its input and suppressed by the filters. These filters are permanently assigned and can be reconfigured as free searching filters only by means of a RESET. Without the SHARK you could raise the overall volume level only until the first feedback occurs. But with the FBQ100 youve got considerably more headroom! Please note that the FILTER LEARN mode is limited to about 15 seconds.

If you are using not just one FBQ100 for the monitor path, you should employ some additional units to safeguard critical signal paths. Experience has shown that during a concert the musicians on stage usually want their instruments made louder in the monitors. With the SHARK you can raise the volume without running the risk of feedback. When the concert begins the FBQ100 automatically tracks and removes varying feedback signals produced by moving vocal microphones.

2.2 The feedback destroyer in the SHARK The SHARK identifies feedback by splitting the entire frequency spectrum (20 Hz to 20 kHz) into sections of 1/60 of an octave and determining the level of each of these bands. The values calculated are then referenced to the level of the overall signal. The resulting level difference determines whether or not a filter is set. The SHARK allows you to adapt these decisive parameter to your needs: within a range from 1 through 100 you can edit the feedback detection sensitivity. The standard setting is 50, which ensures the best possible detection of feedback for the majority of applications. For speech-only applications you can raise the feedback detection threshold towards 100, which enables the algorithm to detect and remove feedback even more quickly. Vice versa, lower values provide for a more stable feedback suppression responding less to wanted feedback-like signal portions produced by guitars or keyboards.

In FILTER LEARN mode, feedback is generated and suppressed automatically. Whenever it detects feedback, the FBQ100 selects the filter parameters automatically to efficiently remove the feedback. As the filter is set to the frequency detected, this mode is ideally suitable for suppressing constant feedback frequencies produced by fixed microphones, e.g. those used on drums. Once set, the filters automatically enters lock mode, i.e. the frequency remains fixed but width and depth of the filter are still being adapted to the signal. The filter width is enlarged whenever the feedback frequency shifts slightly. If feedback persists, gain is reduced even more and kept low to prevent feedback from recurring.

All microphones that are moved during a performance (e.g. hand-held vocal microphones) are usually susceptible to varying feedback frequencies, which should be suppressed in automatic search mode (entered when you power up the SHARK). Much like in FILTER LEARN mode, a filter automatically determines the ideal settings for all parameters, in order to suppress feedback. However, once all filters have been set, the filter first activated gets reset to automatic search mode. Thus, the SHARK makes sure that there is always one free filter to identify and remove new feedback frequencies. If your music contains wanted feedback elements (e.g. guitar feedback), the SHARK will suppress these too, because it is impossible from a physical point of view to distinguish wanted from unwanted feedback. Section 2.1.6 provides some information on how to get around this physical problem.

2.3 The integrated delay In addition to speakers on or near the stage, major-scale installations often have speaker groups positioned at a distance to the stage or flown above the audience, in order to provide listeners away from the stage with direct sound. However, since sound needs some time to travel around (343.6 m/sec at 20C, accelerates by 0.6 m/sec per C), it reaches the audience not simultaneously but gets delayed by a certain amount. To make up for the different run times between stage and remote speakers, the latter must be provided with an electronically delayed signal, which is usually done by means of special-purpose Delay devices. You wont need them, however, when youve got a SHARK, as the FBQ100 integrates a Delay Line circuit giving you the same convenience of operation as dedicated devices. Simply measure the distance between the various speaker groups and enter this value (in meters or feet). Chapter 2.1.3 shows you how to wire the FBQ100 in this type of application.

8 SHARK FBQ100 User Manual

Gallery Speaker

Gallery

Stage Speaker

Stage

Fig. 2.6: Sound reinforcement application with different speaker positions

2.4 The noise gate function The main task of a Noise Gate is to separate unwanted background noise from wanted signals and remove noise inaudibly. A so-called downward Expander automatically reduces the overall level of all signals below an adjustable threshold and thus expands the dynamic range of the program material.

In live or stage applications and multi-microphone systems, in particular, the SHARK has a variety of possible uses: as a moderately and accurately set Gate it efficiently suppresses background noise, compressor-induced noise build-up and crosstalk between microphones, without producing any unpleasant side effects.

A typical Gate application is the processing of vocal tracks. Especially when using a Compressor, the distance between microphone and singer is critical: as the distance increases, more and more disturbing background noise is picked up. Use the Gate function to fade out unwanted interference inaudibly during music pauses. In live applications, e.g. crosstalk of drum and piano tracks can be suppressed or acoustically contaminated recordings can be cleaned.

When a singer sings into a stage microphone, the background noise is masked and hence not perceived. During music pauses, however, the microphone picks up the noise produced by the P.A. system and monitor speakers, which can lead to unpleasant feedback.

When you insert the SHARK in a vocal channel and adjust it so that it mutes the channel, as long as the microphone is not in use, susceptibility to feedback can be reduced enormously. Basically, all stage microphones should be treated in this way.

The GATE LEARN function helps you adjust the Gate threshold. Use this function before the concert and after the sound check. If the adjusted value yields unsatisfactory results, the UP/DOWN buttons can be used to fine-tune the Gate, until it closes only during signal pauses and suppresses interference efficiently.

2.5 The low cut filter in the SHARK In miking it is quite common to fade out low-frequency signal portions such as stage rumble, pop sounds or other types of interference. Frequencies of that kind often have high amplitudes and not only affect the sound image but can also damage power amps and/or loudspeakers. The SHARK is equipped with a tunable high pass filter that features a very high slope. Press the LOW CUT button to tune the cutoff frequency from 20 Hz through 150 Hz with the UP/DOWN buttons, so that interference noise is faded out as perfectly as possible, while the wanted signals remains unaffected.

2.6 The compressor function In broadcast and recording applications, signal levels often exceed the headroom of signal-processing devices, which means that the dynamic range must be reduced to avoid distortion. This is usually accomplished by the use of Compressors or Limiters, which use an automatic gain control circuit to reduce the signal level during loud passages. In this way, it is possible to compress the dynamics of a microphone channel from 90 dB to 50 dB or less, which ensures the troublefree further processing of signals, e.g. in broadcast, stage or recording applications.

The Compressor monitors the program material using an adjustable threshold and continuous level control process, i.e. above threshold the signal gain is reduced, depending on threshold overshoot. Usually, the threshold is set to somewhere below the operating level to allow for a musical compression of the upper level range.

The FBQ100 allows you to set two Compressor parameters. The first one, DENSITY, compresses the program material in a range from 0 (bypass) through 100 (max. compression). The second parameter, SPEED, allows you to adjust the Compressor function in the time domain. Here, you can set the control speed of the Compressor from 10 through 1000 msec. Use small values to make the Compressor respond to smallest level differences, and high values to process dynamics inaudibly.

3. Installation 3.1 Audio connections As standard, the BEHRINGER FBQ100 is installed with electronically servo- balanced inputs and outputs. The new circuit design features automatic hum and noise reduction for balanced signals and thus allows for trouble-free operation, even at high operating levels. Externally induced mains hum etc. will be effectively suppressed.

1 2

3

2 1

3

Pin 1

Output Cable Input

Pin 2 = (+) Signal Positive

Pin 3 = (-) Signal

Shield

(+) Signal + Hum

(-) Signal + Hum

Negative

(+)Hum + Signal

(-)Hum + Signal

2 x Signal

Ground

RFI and Hum

= Signal + 6 dB

Fig. 3.1: Compensation of interference with balanced connections

9 SHARK FBQ100 User Manual

strain relief clamp

sleeve

tip

sleeve (ground/shield)

Unbalanced " TS connector

tip (signal)

output

For unbalanced use, pin 1 and pin 3 have to be bridged

1 = ground/shield 2 = hot (+ve) 3 = cold (-ve)

input

12 3

1 2

3

Balanced use with XLR connectors

Fig. 3.2: Different plug types

Please ensure that only qualified persons install and operate the SHARK. During installation and operation the user must have sufficient electrical contact to earth. Electrostatic charges might affect the operation of the SHARK!

4. Specifications

Audio Inputs

Connectors XLR and " TRS jack

Impedance 6 k balanced, 3 k unbalanced

Nominal operating level Microphone or line level source (switchable)

Max. input level +19 dBu at microphone level and line level

Audio Outputs

Connectors XLR and " jack

Impedance 60 balanced, 30 unbalanced

Nominal operating level Microphone level source or +4 dBu (switchable)

Max. output level +20 dBu at +4 dBu nominal level, -12 dBu at microphone level

System Specifications

Frequency response 10 Hz to 21 kHz

Noise > 92 dB at line level, unweighted, 22 Hz to 22 kHz > 89 dB at microphone level, unweighted, 22 Hz to 22 kHz

THD 0.007% typ. @ +4 dBu, 1 kHz, gain 1

Digital Processing

Converters 24-bit Sigma-Delta, 64/128-times oversampling

Display

Type 4-digit numeric LED display

Power Supply

Mains Voltages/Power Consumption

USA/Canada 120 V~ 60 Hz 19 W

U.K./Australia 240 V~ 50 Hz 20.5 W

Europe 230 V~ 50 Hz 20 W

Korea 220 V~ 50 Hz 20 W

China 220 V~ 50 Hz 20 W

Japan 100 V~ 50/60 Hz 18 W

Physical

Dimensions (H x W x D) approx. 2.2 x 3.5 x 5.2" / 56 x 88 x 132 mm

Net Weight approx. 0.84 lbs / 0.38 kg

BEHRINGER is constantly striving to maintain the highest professional standards. As a result of these efforts, modifications may be made from time to time to existing products without prior notice. Specifications and appearance may differ from those listed or illustrated.

strain relief clamp

sleeve ring tip

sleeve ground/shield

For connection of balanced and unbalanced plugs, ring and sleeve have to be bridged at the stereo plug.

Balanced " TRS connector

ring cold (-ve) tip hot (+ve)

10 SHARK FBQ100 User Manual

5. Rackmount (Optional) With the available rackmount (optional) you have the possibility to place five SHARKs on two units of space in your rack.

Before you begin with the work, please disconnect the Power Supply Units from the SHARKs!

To mount the SHARKs on the rackmount you should use the supplied screws (type M3). You need two screws to fix one FBQ100 onto the rackmount. In the bottom of your SHARK you will find two little threads. You have to position the single SHARKs on the rackmount, so that the threads correspond to the cutouts of the rackmount (see fig. 5.1). Now you can fix the FBQ100 onto the rackmount. Just take a cross-point screwdriver and tighten both screws loosely. After you have fixed all SHARKs on the rackmount, you can adjust the devices and tighten all screws solidly.

Bottom FBQ100

Thread 1

Cutout 1

Cutout 2

Front Rackmount (Bottom View)

Thread 2

Fig. 5.1: Installation of the FBQ100 on the available rackmount (optional)

Please, only use the supplied screws to install the SHARKs on the rackmount. Longer or thicker screws can damage the electronics inside of the device and doing so will void your warranty rights.

You will need 2 units of space for the FBQ100 rackmount. For technical reasons a little gap remains above the rackmount.

11 SHARK FBQ100 User Manual

FEDERAL COMMUNICATIONS COMMISSION COMPLIANCE INFORMATION

Responsible Party Name: MUSIC Group Services US Inc.

Address: 18912 North Creek Parkway, Suite 200 Bothell, WA 98011, USA

Phone/Fax No.: Phone: +1 425 672 0816 Fax: +1 425 673 7647

SHARK FBQ100

complies with the FCC rules as mentioned in the following paragraph:

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

Consult the dealer or an experienced radio/TV technician for help.

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:

(1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Important information:

Changes or modi

Manualsnet FAQs

If you want to find out how the Shark FBQ100 Behringer works, you can view and download the Behringer Shark FBQ100 Owner's Manual on the Manualsnet website.

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