- Descr. : J. bass Bass Treble controls plate
- Gain : + 10 dB
- Input : 500 KOhms
- Controls: Volume, Balance, Stacked Bass/Treble
- Bass : +13dB @ 40 Hz
- Middle :
- Treble : +13dB @ 4 KHz
- Current : 0.38 mA Voltage range : 6 V ~ 22 V Battery : 9 V Alkaline
- Notes : Marcus Miller style preamp -JFet design - pe22ect retrofit.