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CARR AMPLIFIERS
OWNER'S MANUAL
Revised 26 Feb 2010

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Summary of Contents for Carr Hammerhead MK II

  • Page 1 CARR AMPLIFIERS OWNER’S MANUAL Revised 26 Feb 2010...
  • Page 3: Volume

    Tones from clean with grit to very heavy output tube overdrive are easily dialed in using our unique controls. The Hammerhead Mk II has roots in 50s and 60s eclectic American and British amplifiers combined with superior construction and modern cutting edge components.
  • Page 4: Bottom Panel

    Speaker output jack – The speaker output jack is located between the power and the preamp tubes on the bottom of the chassis (see Chassis Diagram). The Hammerhead Mk II is designed to drive an 8 ohm load. Maximum power and tone will be realized when connected to an 8 ohm speaker or cabinet.
  • Page 5: Biasing

    Biasing your Hammerhead Mk II The Hammerhead Mk II is a cathode bias (self bias) amp and as such does not require a bias adjustment when changing tubes. Please use well-matched pairs of output tubes for maximum performance. The Hammerhead can only use matched pairs of EL-34, KT77, KT88, or 6550 power tubes.
  • Page 6 Recommended Settings Humbucker Pickup Sound Volume Impact Master Grip Tone Bridge Dark TX Tone Bridge Rock Bridge Australia Bridge Jangle Crunch Both Groove Neck Blues Single Coil Pickup Sound Volume Impact Master Grip Tone Bridge Bark Bridge Driven Clean Bridge Rock Rockin’...
  • Page 8: Important Reminders

    Important Reminders  Please keep the original packing materials in case your amp needs to be shipped for service.   When inserting power When inserting preamp tubes, the power tube key tubes, the tube pins must must line up with the tube line up with the tube socket socket keyway.
  • Page 9 (incorrect orientation of tubes can damage the amp), or spilled beverages, as these will void the warranty.  The amplifier is shipped to Carr Amplifiers in the original packing materials with freight paid by the purchaser. We pay the return shipping after the warranty work is complete.

Table of Contents