The IC100 was marketed for use with both guitars and keyboards.
HH IC100 100 Watt Solid State Amp Head - Rare Vintage 1970s
HH Amplifier Knobs x 5 Large type....1970's era HH IC100 etc.....
JK Electronic 20th Century Drive Pedal. Boutique HH IC100 Preamp/Overdrive Pedal
Musiclily Pro Vintage Tortoise HH Pickguard For Squier Bullet Mustang Guitar
Gretsch - Electromatic CVT Bass Double-Cut - Vintage White, HH, Mahogany Body, M
Vintage 1970s African Goatskin Bongos
