DBX 411 Noise Reduction Module Cards for 900 Series Rack

Vintage 1970s dbx Series II Noise Reduction System 4 Channel Tape Disc Powers On

DBX Recording Technology Series Model 224 Type II Tape Noise Reduction System

DBX Recording Technology Series Model 224 Type II Tape Noise Reduction Tested

DBX 903 Compressor/Limiter Module for 900 Series U284379

DBX 904 Module Noise Gate Card for use with 900 Series Rack

DBX Recording Model 224 Type II Tape Noise Reduction System Untested Lights Up.

DBX Recording Technology Series ~ Model 224 Type II Tape Noise Reduction System