Gala Sound Symphony 4 Belles Research Labs Stereo Amplifier
For your consideration, we have a rare Gala Sound Symphony 4 Belles Research Labs Amplifier. The amp was designed by James Gala, and Dave Belles in Rochester NY. It was manufactured by Dave Belles at Belles Research Corporation around 1995. This Mosfet amp is 200 watts per channel, has two large toroidal transformers, and 24 output transistors. The amp is in working order, and sounds very nice. The previous owner used the amp to drive a pair of Green Mountain Audio Continuum 1.5 speakers. I spoke with Dave Belles, he is still working, he remembered the amp, but did not have any information for it as paperwork got lost over the years. In order to test the output and check to see the amp was in proper working order, we hooked it up to our Sencore PA81 Stereo Stereo Power Amplifier Analyzer acting as a dummy load and Oscilloscope interface. Using an audio generator, we ran a 1k signal through the amps input, slowly increasing the amplitude while monitoring the output on our oscilloscope