Content | The MINIFBQ FBQ800 features Behringer's FBQ Feedback Detection System that instantly reveals critical frequencies and can also be used as an audio analyzer. An additional low cut filter removes unwanted frequencies such as floor rumble. Accurate 6-digit LED input/output meters and level control are provided for precise level indication. Long-term reliability is guaranteed with Behringer's high-quality illuminated faders, potentiometer and illuminated switches. The ultralow noise audio operational amplifiers offer outstanding sound performance. In addition, all Mini Series models can be stacked on top of each other to create an ultra-compact signal processing solution.
How Does it Work?
Imagine the frequency range of the sound you hear as a highway, a very wide one with nine lanes. Each of these "lanes” represents a single octave of the sonic spectrum. The first four lanes, labeled 63 - 500 (Hz) contain the really low frequency sound content, mainly bass, bass vocals, and the kick and tom drums. The three lanes labeled 1k, 2k and 4k (Hz), make up the fundamental zone of most musical instruments and the male and female vocals. 8k and 16k cover the frequency range of cymbals, snare drums and higher pitched percussion instruments. The FBQ800 allows you to control the flow of audio traffic in each of these nine lanes. When properly applied, EQ makes it possible to hear all of these frequency ranges equally, thus the term equalization.
Feedback Elimination
When a specific frequency, or range of frequencies, reaches too high a level, feedback occurs—that all-too-familiar squeal or howl you get when the mic is too close to the speaker. Basically, feedback happens when there is so much of a particular frequency that it is picked up by the mic and run through the system again. Thatʼs why feedback typically gets louder and louder the longer itʼs allowed to occur. Needless to say, this kind of feedback is very undesirable.
This is where the FBQ800ʼs Feedback Detection System really works its magic. In this ingenious circuitry, LEDs on the individual faders light up when that frequency band is approaching the danger zone. All you need do is lower the illuminated slider until the LED blinks out—voilà, feedback problem solved! What once required a highly trained ear is now an activity that even a child can master.
Sonic Toolkit…
That really is the best way to describe the FBQ800. With its nine frequency bands, you easily fine-tune your sound and instantly eliminate feedback. And each fader can be used to boost or cut the frequency range it controls by as much as 12 dB (and thatʼs a lot!).
Special attention is paid to the low frequency zone. In addition to low frequency faders, the FBQ800 features a Low Cut filter for removing unwanted low frequencies such as floor rumble, room resonance, electrical hum, etc. This is especially handy if your system is being used for speech rather than music.
To Boost or to Cut, That is the Question
Raising and lowering specific frequency bands can improve the frequency response of any roomʼs acoustics. For instance, if the room youʼre in is "bass-heavy,” lowering the 63 and 125Hz faders can help eliminate an overall "boomy” or "muddy” sound. Likewise, gently boosting the 8 and 16k sliders can add sparkle to a somewhat "dark” mix. Are the vocals getting lost in the mix? Raising the level of the 1k slider can help bring them out.
Itʼs important to note that raising a single fader level is not always the best solution; itʼs often better to lower the bands surrounding the frequency you want to bring out, and then boost the overall volume level to achieve better headroom.
Built for Accuracy and Reliability
Speaking of headroom, FBQ800ʼs 6-digit LED I/O meters and level control are provided for precise level maintenance. Long-term reliability is ensured, thanks to high-quality illuminated faders and switches, and our ultra low-noise audio operational amplifiers provide outstanding sonic performance. In addition, all Mini Series components can be stacked to create an ultra-compact signal processing solution.
Mini Series mixer with built-in feedback detection.
FEATURES
- Ultra-compact 9.5" graphic equalizer for studio and stage applications
- FBQ Feedback Detection system instantly reveals critical frequencies
- Additional Low-cut filter removes unwanted frequencies, like floor rumble
- 6-segment LED input/output meters and Level control for precise level indication
- High-quality illuminated faders, potentiometers and illuminated switches
- Low noise audio operational amplifiers offer excellent sound performance
SPECIFICATIONS
MINIFBQ FBQ800 9-Band Graphic Equalizer with FBQ
- INPUT
- Type 1/4" TRS connectors (balanced) or
- RCA connectors (unbalanced)
- Impedance approx. 20k ohms, balanced
- approx. 10k ohms, unbalanced
- CMRR 40 dB typ. @ 1 kHz
- Max. input level +15 dBu
- OUTPUT
- Type 1/4" TS connectors (unbalanced) or
- RCA connectors (unbalanced)
- Impedance approx. 120 ohms
- Max. output level +15 dBu
- SYSTEM SPECIFICATIONS
- Frequency response 10 Hz to 200 kHz, -3 dB
- Dynamic range 110 dB, 10 Hz to 22 kHz
- Distortion 0.003 % typ. @ 0 dBu
- Crosstalk
- Signal-to-noise ratio 10 Hz - 22 kHz
- GRAPHIC EQUALIZER
- Type 9 analog stereo bands
- Control range ±6 dB or ±12 dB, switchable
- Bandwidth 1 oct.
- OTHER FEATURES
- Low-cut filter 75 Hz (12 dB/oct.)
- Input level control -12 dB to +12 dB
- POWER SUPPLY
- Mains connection external power supply
- 9 V ~ / 750 mA
- Mains voltage
- DIMENSIONS/WEIGHT
- Dimensions (H x W x D) approx. 1 8/9" (48 mm) x 9 5/9" (243 mm) x 4 5/7" (120 mm)
- Weight approx. 0.86 lbs. ( 0.39 kg)
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INPUT
Connectors: 1/4" TRS, female XLR (pin 2 hot)
Type: Electronically balanced/unbalanced, RF filtered
Impedance: Balanced 40k ohm, unbalanced 20k ohm
Max Input Level: >+21dBu balanced or unbalanced
CMRR: >40dB, typically >55dB at 1kHz
OUTPUTS
Connectors: 1/4" TRS, male XLR (pin 2 hot)
Type: Impedance-balanaced/unbalanced, RF filtered
Impedance: Balanced 100 ohm, unbalanced 50 ohm
Max Output Level: >+21dBu balanced/unbalanced into 2k ohm or greater
>+18dBm balanced/unbalanced (into 600 ohm)
SYSTEM PERFORMANCE
Bandwidth: 20Hz to 20kHz, +0.5/-1dB
Frequency Response: 50kHz, +0.5/-3dB
Dynamic Range: Typically >112dB
Signal-to-Noise: Typically >95dB
THD+Noise: |
iEQ-15 Dual 15-Band Graphic EQ with Type V? NR and AFS?
With an EQ heritage that has produced countless industry standard
patents and dates back more than 30 years, the dbx iEQ-31 easily
lives up to the dbx legacy of uncompromised sonic integrity. In
addition to unsurpassed equalization specs, the iEQ-15 also offers
the built-in necessities which include AFS? feedback Suppression,
Type V? noise reduction and PeakStopPlus? limiting. Besides
including two 15-band channels of 2/3-octave equalization, the iEQ-15
also offers +12 dB input gain range; switchable +6 or +15 dB boost/cut
range, 40mm faders, XLR, 1/4'' and Euroblock inputs and outputs,
nonconductive nylon sliders; and an intuitive user interface with comprehensive
output and gain reduction metering. As always, the inevitable result of our
meticulous attention to detail and top-quality componentry is exceptional
sound, performance, and reliability.
The iEQ series represents a major step forward in the performance of EQs.
The iEQ series is now able to offer state-of-the-art digital EQ performance
and specs with an analog look and feel. From its amazing 10Hz to 22kHz
frequency response, to its 113dB dynamic range and Advanced Feedback
Suppression (AFS?), dbx proprietary Type V? noise reduction
and PeakStopPlus? limiting, the iEQ-15 offers out of this world specifications
with a downto- earth price point. Sure to find a home in the studio, on tour and
with installed sound venues, the iEQ-15 is destined to take its rightful place in
the lineage of great dbx? signal processors that are the professional?s choice
in signal processing. With such pristine design and quality, the iEQ-15 offers
the maximum sonic flexibility in a straight forward interface and rock-solid construction.
? Advanced Feedback Suppression (AFS?)
? Type V? Noise Reduction
? PeakStopPlus? Limiting
? 2/3-octave Constant Q frequency bands
? Switchable boost/cut ranges of ±6 or ±15dB
? 18 dB per octave 40Hz low-cut filter
? ±12dB input gain range
? XLR, TRS and Euroblock Inputs and Outputs
? Internal Toroidal Transformer
? Frequency Response of 10Hz to 22kHz
? Dynamic range of greater than 113dB
? User Power Up Features
? Relay Bypass for Power Failure System Protection
| Digital stereo active crossover with 4 inputs and 8 outputs, incl. software .
- Flexible routing configurations for all standard mono and stereo output operating modes
- 4 analog inputs and 8 analog outputs (XLR)
- Active frequency filter types (Bessel, Butterworth and Linkwitz-Riley) with slopes up to 24 dB/octave split up the audio signal into different frequency bands
- Incl. software editor (for PC and Mac) for remote control via computer through USB interface: store, transfer, and manage your presets
- Up to 30 user presets storable in the device via software
- 5 menu languages selectable (German, English, French, Spanish, Dutch)
- Alphanumeric LCD screen with 2 lines of 16 characters each
- Input sensitivity digitally adjustable
- Inputs and outputs with 4-digit LED level meter as well as clip and limit LED indicator
- Mute switch with LED indicator per output
- 7-band parametric EQ per output
- Up to 7 ms signal delay adjustable for the outputs
- Output limiter with adjustable limits and automatic attack and release settings as overload protection for your amplifying system
- Switchable phase
- Lock function for prevents undesired changes to settings
- Rack installation, 1 U
- Windows XP, Vista, 7, 10 and Mac OS X 10.5.8 and better
- Digital signal processor
- The device can be connected via USB to the PC in connection with DXO Software
The firmware can be updated via the PC connection
- (19") 48.3 cm rack installation 1 U
Power supply: |
100-240 V AC, 50/60 Hz
6 V DC 800 mA |
Power connection: |
Mains input via Coaxial power connector (M) power supply cord with AC adapter (provided) |
Frequency range: |
10 - 22000 Hz |
THD: |
<0,005 % at 1 kHz |
DSP: |
Digital signal processor |
Crossover frequency: |
20-20000 Hz |
Impedance: |
Input 10 kOhm
Output 50 Ohm |
Gain: |
Output: -50 dB to +12 dB |
Filter: |
Linkwitz-Riley; Butterworth; Bessel; 6db/oct; 12db/oct; 18db/oct; 24db/oct |
Delay: |
0 - 7 ms |
Dynamic range: |
Input: 114 dB
Output: 110 dB |
Sample rate: |
48 kHz |
Connections: |
Input: line via 4 x 3-pin XLR
Output: line via 8 x 3-pin XLR |
Max. level: |
Input: +22 dBu
Output: +9 dBu |
USB port: |
Typ B |
PC connect: |
DXO Software via USB, firmware can be updated |
Housing design: |
(19") 48.3 cm rack installation 1 U |
Dimensions: |
Width: 48,3 cm
Depth: 22,3 cm
Height: 4,45 cm |
Weight: |
1,90 kg |
| INPUT
Connectors: 1/4" TRS, female XLR (pin 2 hot)
Type: Electronically balanced/unbalanced, RF filtered
Impedance: Balanced 40k ohm, unbalanced 20k ohm
Max Input Level: >+21dBu balanced or unbalanced
CMRR: >40dB, typically >55dB at 1kHz
OUTPUTS
Connectors: 1/4" TRS, male XLR (pin 2 hot)
Type: Impedance-balanaced/unbalanced, RF filtered
Impedance: Balanced 100 ohm, unbalanced 50 ohm
Max Output Level: >+21dBu balanced/unbalanced into 2k ohm or greater
>+18dBm balanced/unbalanced (into 600 ohm)
SYSTEM PERFORMANCE
Bandwidth: 20Hz to 20kHz, +0.5/-1dB
Frequency Response: 50kHz, +0.5/-3dB
Dynamic Range: Typicall >112dB
Signal-to-Noise: Typically >95dB
THD+Noise: |
- Audiophile 31-band stereo graphic equalizer for live and studio applications
- Revolutionary FBQ Feedback Detection system instantly reveals critical frequencies and can also be used as audio analyzer
- Ultra-low noise 4580 operational amplifiers for highest signal integrity
- Dedicated Limiters with gain reduction meters for each channel protect your sound system from overload and distortion
- Pink noise generator provides test signals to adapt your sound system to any room acoustics
- Mono subwoofer output with dedicated level control and adjustable crossover frequency
- Additional sweepable high and low-cut filters for each channel remove unwanted frequencies e.g. floor rumble, hiss etc.
- Highly accurate 8-segment LED input/output metering and input gain controls for easy level setting
- Relay-controlled hard bypass with an auto-bypass function during power failure (fail-safe relay)
- Servo-balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors
- “Planet Earth" switching power supply for maximum flexibility (100
- 240 V~), noise-free audio, superior transient response plus low power consumption for energy saving
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