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Used BSS FCS960 Dual Channel Mode Professional Graphic Equalizer
Outboard
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Used BSS FCS960 Dual Channel Mode Professional Graphic Equalizer is a two-channel, 30-band graphic equaliser offering Dual Mode switching between Normal and Fine constant-Q filter settings, all housed in 3U of rack space. Available second-hand from professional audio sellers worldwide, you can browse current used BSS FCS960 listings by scrolling down.
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BSS FCS960 Dual Channel Mode Professional Graphic Equalizer specifications
| Brand | BSS |
| Segment | Audio |
About the BSS FCS960 Dual Channel Mode Professional Graphic Equalizer
The BSS FCS960 Dual Channel Mode Professional Graphic Equalizer provides two channels of 30-band equalisation, with boost and cut faders controlling filters at standard third-octave isocentre frequencies from 25Hz to 20kHz. Each channel features a Mode switch to select Normal or Fine Q-factor, with constant-Q filters maintained at any fader level. High-grade 45mm faders include a mechanical centre detent and an electrical centre tap that bypasses the filter at zero setting, while moulded polymer fader knobs reduce visual parallax error in low light. Each channel also includes a sweepable Hi-Pass filter (18dB/oct, variable 20Hz to 250Hz) with independent bypass, an Output Gain trim with LED Clip indicator, and an EQ IN/OUT switch with passive relay bypass that also activates automatically on power failure. Electronically balanced inputs and outputs are included. Performance specifications include THD below 0.005 percent at +4dBu and output noise below -90dBu with faders flat.
BSS FCS960 Dual Channel Mode Professional Graphic Equalizer — buyer FAQs
What is the BSS FCS960 and what does it do?
The BSS FCS960 is a two-channel, 30-band graphic equaliser housed in 3U of rack space. Each channel provides boost and cut control over filters at standard third-octave isocentre frequencies from 25Hz to 20kHz. A key feature is its Dual Mode switching, which lets each channel independently select between Normal and Fine Q-factor settings, with constant-Q behaviour maintained regardless of fader position.
Who makes the FCS960 and where does it fit in the BSS range?
The FCS960 is made by BSS Audio, originally Brooke Siren Systems, a British professional audio brand founded in 1979 and now part of Harman Professional Solutions. BSS is known for signal processing equipment including crossovers, compressors and digital processors. The FCS960 sits within the analogue signal processing side of the range, targeting applications that require precise, channel-by-channel graphic equalisation.
What are the key filter and noise performance specifications of the BSS FCS960?
Each of the 30 bands on the FCS960 offers a maximum boost or cut of nominally plus or minus 10dB, using 45mm faders with a mechanical centre detent. An electrical centre tap removes any filter from the signal path at zero fader setting. Rated performance includes THD below 0.005 percent at plus 4dBu and output noise below minus 90dBu, both measured with faders flat across a 20Hz to 20kHz range.
What additional controls does each channel on the FCS960 include beyond the EQ bands?
Beyond the 30 equaliser faders, each channel on the FCS960 carries a sweepable Hi-Pass filter running at 18dB per octave and variable between 20Hz and 250Hz, with its own independent bypass switch. There is also an Output Gain trim with an LED Clip indicator and an EQ IN/OUT switch. In OUT mode the switch defaults to a passive relay bypass, which also engages automatically if power is lost.
What should I look for when buying a second-hand BSS FCS960?
Check that both channels pass signal cleanly and that the Dual Mode switch operates correctly on each channel. Fader condition matters: the 45mm faders should move smoothly with no scratchy or intermittent behaviour. Confirm the relay bypass, Hi-Pass filter and LED Clip indicators are all functional. Each listing on this page describes the unit's condition individually. Purchases on 10K Used include a 21-day warranty covering major functional faults; the buying guide has full detail.
