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What is the difference between the two-input and four-input HIWATTS?

April 26, 2017hiwatts two-input

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What is the difference between the two-input and four-input HIWATTS?

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A. Besides having two fewer input jacks, the two-input HIWATTS have a slightly different circuit with a bit more gain. They also use an ECC83/12AX7 in the PI position, which again provides a bit more gain. The older heads had an ECC81/12AT7 in the PI.