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About the Super 40
The deHavilland Electric Amplifier Company Super 40 is a hand-built, tube-rectified push-pull monophonic power amplifier (monoblock). It uses interchangeable 6L6GC, KT88, KT66, or 6550 output tubes without modification. Rated output is 32 watts with 6L6GC tubes and 40 watts with KT88 tubes. The design uses low or zero negative feedback, a soft-start circuit to reduce cathode stress at power-on, Cardas pure-copper speaker terminals, and individually adjustable output-tube bias monitored by an onboard illuminated digital meter. Available manufacturer information identifies it as a per-order product, but does not provide complete data for every conventional amplifier specification.
Specifications
Key Specifications
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