Saturday, February 11, 2006

THD BiValve-30 30-Watt Class-A Head



"The BiValve is a single-ended pure Class A design. However, it has two output valves which are wired in parallel and combined through a special output transformer to deliver up to around 30 watts. You can use almost any output valve you like without touching any kind of bias adjustment, and get this: in the BiValve you can use them in any combination as well. (Pictured as Flexi.)"

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