Guyatone Ultron Optical Auto Wah GST-U05 w/orig box vibrato the pictures pretty much tell

the pictures pretty much tell the story

Mix between 9:00 and noon

-) ) A good way to check out the head combinations is to flip to a Program and mute your strings and rake them once so you can hear the distinct rhythmic pulses each Program creates

with the neck pickup’s reversed magnet

JJ is the new name for the Teslovak (Tesla) tube company

Guyatone Ultron Optical Auto Wah GST-U05 w/orig box vibrato the pictures pretty much tellI bought this myself in Tokyo all those years ago (and the ULtrem too!) and been at my home since. never gigged or on a pedalboard. In 100% working order. the lights def come on & all the switches & dials do something, just don't ask me to explain! The filter mode rotary switch was a little scratchey after years of sitting in the box, but after a couple of dozen rotations either way is all but gone. Has orig box, but no power supply, the Japanese