People has objected that the input sensitivity of the Model 1955 tube amplifier is too high for use with a CD player. The standard CD-player output voltage is 2V RMS, with units varying between 1.74V on the low side and a whopping 7.2V on the high side. The sensitivity of the Model 1955 amplifier with the volume control at…

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New performance measurements have been made over the 1955 (Mullard 3-3) tube amplifier. You can see it on the 1955 tube amp measurements page.

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