yamaha spx 990

The Yamaha SPX90 was a mono in, stereo out effects processor that offered just about every effect you could ask for including reverb, delay, modulation effects such as chorus, flanging and phasing, as well as gates, compressors, vibrato and panning. gitar yamaha akustik apx 500 It was a true tour de force in the day In truth, those PA systems of the day would usually have