BGW SYSTEMS Professional Power Amplifier Model 75 RACK MOUNT Audio Equipment

BGW Systems 250 Rack Mount Dual Channel Pro Power Amplifier 85W @ 8 ohms

BGW Stereo/Mono Power Amplifier Model 500D Working Untested

BGW Model 250 Stereo Amplifier

BGW SYSTEMS Professional Power Amplifier Model 75 RACK MOUNT Audio Equipment

RadioShack MPA-250 Amplifier 250 Watt Stereo Amplifier

VINTAGE BGW SYSTEMS PROFESSIONAL POWER AMPLIFIER MODEL 75 RED KNOBS TESTED

Optimus MPA-250 Stereo Amplifier Fan Cooled Rack Mount 250 Watt Teated Working