BSS - DPR-504 Audio component
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The BSS DPR-504 is a 1U, four-channel noise gate from 1990 with electronically balanced XLR I/O, independent channel threshold and linking, fast (20µs) or auto (40µs–5ms) attack, 70dB/20dB gating, and weighs 5 kg in very good, tested and working condition with no extras.
AI-assisted summary
Description from the seller
The BSS DPR-504 is a classic 1RU 4-channel noise gate designed for high-performance audio, featuring electronically balanced I/O, parametric key filters, and fast attack (20µs) or auto-tracking modes. It provides 70dB/20dB range gating, with each channel featuring independent threshold, release, and linking capability.
Key Specifications:
Audio Inputs/Outputs: Electronically balanced XLR connectors, 12kOhm input impedance, >50dB CMRR, +20dBv max level.
Performance: < 0.05% THD (20Hz-20kHz), >90dB crosstalk, 20Hz-20kHz frequency response (+/-1dB).
Gate Controls: Threshold: Variable +20dBv to -50dBv.
Attack: Switchable FAST (20µs) or AUTO (40µs-5ms).
Release: Variable 1ms to 3s.
Key Filter: Variable 30Hz to 15kHz.
Dimensions/Weight: 482mm x 44mm x 282mm (19" rackmount), 5kg (11lbs).
Power: Switched 120/240V, 50/60Hz.
The unit, often used for drums and complex audio sources, includes a dedicated "Key Listen" mode and a "Gate Open" LED indicator.
In very good condition. ALL LED lights work.
The BSS DPR-504 is a classic 1RU 4-channel noise gate designed for high-performance audio, featuring electronically balanced I/O, parametric key filters, and fast attack (20µs) or auto-tracking modes. It provides 70dB/20dB range gating, with each channel featuring independent threshold, release, and linking capability.
Key Specifications:
Audio Inputs/Outputs: Electronically balanced XLR connectors, 12kOhm input impedance, >50dB CMRR, +20dBv max level.
Performance: < 0.05% THD (20Hz-20kHz), >90dB crosstalk, 20Hz-20kHz frequency response (+/-1dB).
Gate Controls: Threshold: Variable +20dBv to -50dBv.
Attack: Switchable FAST (20µs) or AUTO (40µs-5ms).
Release: Variable 1ms to 3s.
Key Filter: Variable 30Hz to 15kHz.
Dimensions/Weight: 482mm x 44mm x 282mm (19" rackmount), 5kg (11lbs).
Power: Switched 120/240V, 50/60Hz.
The unit, often used for drums and complex audio sources, includes a dedicated "Key Listen" mode and a "Gate Open" LED indicator.
In very good condition. ALL LED lights work.
Details
Era
1900-2000
Brand
BSS
Model
DPR-504
Multiple Models
No
Physical condition
Very good
Nr of items
1
Includes
No extra's
Serial Number
na
Year of Manufacturing
1990
Weight
5000 g
Functional condition
Tested and working/playable
