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Need help?Do you have a question about the Marshall Amplification JH-1 Jackhammer and is the answer not in the manual?
General| Input Impedance | 1MΩ |
|---|---|
| Type | Overdrive, Distortion |
| Controls | Gain, Bass, Treble, Volume |
| Power Supply | 9V DC |
| Dimensions | 120 x 65 x 55 mm |
| Weight | 0.5 kg |
| Output Impedance | 25 kOhm |
Refer all servicing to qualified service personnel. Handle damaged apparatus with care.
Do not expose the apparatus to rain, moisture, or use near water.
This is the output of the Jackhammer and is for connection to the amplifier or to another effects pedal.
Allows for selection of Overdrive and Distortion modes for tonal characteristics.
Increases the amount of distortion, from vintage breakup to high gain.
Adjusts the volume for a boost or cut in volume when in operation.
For input of a 9V DC adaptor, should you not wish to use batteries.
Indicates when the Jackhammer is in operation.
Adjusts the Treble frequencies in your tone.
Adjusts the bass frequencies of your tone.
Governs which frequencies the Contour control scoops.
Allows you to ‘scoop' certain frequencies from your tone.
This is the input jack, for connection from your guitar or other pedals.
For switching the Jackhammer on and off.
