Engl Powerball I

Prima serie.
4 channels: Clean, Crunch, Low Gain Lead, High Gain Lead
2 Bright/Bottom switches, Extra Crunch Treble
control, 2 EQs, each 4 band, one for channel 1/2, one for channel.
Volume controls for each channel.
4 x ECC83 preamp tubes
Master Section:
100 watts (1 x ECC 83, 4 x 6L6GC power amp tubes),
Master A/B, Presence, Depth Punch controls.
Outputs:
Integrated Noise Gate for high gain channels, threshold control,
fx loop control (parallel to serial),