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Marshall Amplification EFFECT PEDAL JH-1 JACKHAMMER Owner's Manual

Marshall Amplification EFFECT PEDAL JH-1 JACKHAMMER Owner's Manual

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Jackhammer Suggested Settings
JH-1 Jackhammer
CLASSIC CRUNCH (Amp: Clean)
CLASSIC DRIVE (Amp: Slightly Overdriven)
ULTRA CRUNCH (Amp: Clean)
ULTRA LEAD (Amp: Clean)
Owners Manual

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Summary of Contents for Marshall Amplification EFFECT PEDAL JH-1 JACKHAMMER

  • Page 1 Jackhammer Suggested Settings JH-1 Jackhammer CLASSIC CRUNCH (Amp: Clean) CLASSIC DRIVE (Amp: Slightly Overdriven) ULTRA CRUNCH (Amp: Clean) ULTRA LEAD (Amp: Clean) Owners Manual...
  • Page 2 No objects filled with For over 40 years the Marshall name has been synonymous with the liquids should be placed on or near the apparatus. Do not use greatest guitar tones in music.
  • Page 3 Since we began in 1962, the Marshall name has been synonymous with high quality distortion tones. Initially the way to get classic Marshall distortion was to naturally overdrive one of our valve amps by cranking it up to full volume. As time went by our Master Volume heads allowed the generation of more extreme levels of distortion as the pre-amps valves were driven into overdrive.
  • Page 4: Troubleshooting

    Contour control (item 9) will scoop. With the Contour TREBLY OR FIZZY Freq. set at 12 o’clock the Contour acts like a traditional Marshall Contour control. Turning the Contour Freq. anti-clockwise cuts lower SOUND TOO mids and bass from your tone, while turning the Contour Freq.
  • Page 5: Battery Replacement

    Battery Replacement 1. To replace the battery, open the easily accessed coin screw battery cover plate by loosening screw as shown, then disconnect the battery connector lead. 2. Use PP3 or equivalent battery (for improved battery life use alkaline type) 3.