Up For auction is a BSS DPR-504. Four Channel Noise gate.
This unit is in excellent working condition. Cosmeticall it looks good. It has minor wear around the rack screw holes. And minor wear/scratches along the top and bottom of the unit from being racked.
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BSS Quad Gate
The DPR-504 is a 4-channel noise gate.
Each channel features:
A parametric key filter with key filter listening.
Simultaneous key level and threshold metering with average and peak metering.
A gate status LED.
A RELEASE/HOLD control (hold tracks proportionally with release times).
Attack switchable auto/fast (auto tracks signal dynamics for optimum setting).
Link (links two channels together).
Key source allows external triggers.
The Range switch selects between 7OdB and 2OdB gating depth to provide alternative release profiles.
The unit features electronically balanced inputs and outputs.
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.