Need help?Do you have a question about the Johnson Amplification J12 and is the answer not in the manual?
Details the J-12's front panel components like the display, switches, and pedals.
Explains the rear panel's control output connector and its function.
Step-by-step guide on connecting and powering up the J-12 with compatible devices.
General| Model | J12 |
|---|---|
| Manufacturer | Johnson Amplification |
| Effect Type | Overdrive |
| Battery Type | 9V battery |
| True Bypass | Yes |
| Controls | Level, Tone, Drive |
| Inputs | 1 x 1/4" Mono |
| Outputs | 1 x 1/4" Mono |
| Power Supply | 9V DC |
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