Westone Thunder I-A, 1983, Made in Japan (Matsumoku). The A stands for “active pickups”. The third knob is a pre-amp to play on the high and bass levels. 3 positions switch, a tap switch and a out-of-phase swith. That’s a VERY versatile guitar.  

Westone Thunder I-A, 1983, Made in Japan (Matsumoku). The A stands for “active pickups”. The third knob is a pre-amp to play on the high and bass levels. 3 positions switch, a tap switch and a out-of-phase swith. That’s a VERY versatile guitar.