BSS Audio DPR-504 Quad Noise Gate
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Range switch selects between 70dB and 20dB gating depth to provide alternative release profiles

 

The DPR-402 is a 2-channel compressor/limiter, high frequency de-esser and wide band de-esser with peak limiting, adjustable speed, dynamics program manipulation, and full LED metering for both input and output. Integrated side-chain and gain reduction metering allow for continuous dynamic activity monitoring. Auto mode provides program dependant attack and release control.   Input Section Impedance Balanced 12kOhm differential     Max Input Level +20dBv     CMRR Better than 50dB, 20Hz to 20kHz     Connector XLR331 or equivalent Output Section Impedance Balanced and floating to drive 600 Ohm loads     Max Output Level +20dBv into 600 Ohm load     Connector XLR332 or equivalent     Range Switchable attenuation between 70dB and 20dB The latter may be user defined by internal links System Performance Frequency Response + 1dB, 20Hz to 20kHz Ultrasonic low pass filter 3dB at 32kHz     Noise Measured to CCIR 4682 Zero attenuation : less than 86dBv     Maximum attenuation: <-90dBv     Distortion THD less than 005%, 20Hz to 20kHz     SMPTE IM < 002%     Crosstalk > 90dB 20Hz to 20kHz Operating Controls Key Filter Frequency Variable between 30Hz and 15kHz centre     Key Filter Width Variable between 05 and 10 octaves     Key Source Internal or External, via rear panel ¼"TRS jack     Threshold Variable between +20dBv and 50dBv     Attack Audio attack switchable FAST (20µs) or AUTO (40µs 5ms, programme dependant)     Release Combined Hold/Release function is variable 1ms to 3 sec Hold period tracks proportionally with Release     Link Stereo linkable in paris 1/2 and 3/4 Channels 1 and 3 become masters Metering Key Side Chain Simultaneous average and peak reading 12 point LED display showing 20dB range either side of threshold     Gate Open Marker Single LED shows exact gate status and mimics response profile     Ext Key Socket 3 pole, ¼" RTS jack socket used for EXT keyin or key insert functions General Size 482mm x 44mm x 282mm (19" x 1.75" x 11").     Weight 5kg (11lbs) gross shipping.     Electricity Supply Switched 120/240V +10% 20% 50/60Hz.  A & E Specs DPR-504 A & E Specs (Microsoft Word) [3Kb]   DXF Files dpr504f.dxf [111Kb] dpr504r.dxf [75Kb]   Datasheets DPR-504 Quad Noise Gate Datasheet [198Kb]