KT88 tube amplifier

Here’s a classic project for the weekend. This KT88 based tube amplifier is surprisingly simple. The parts count is low, but the sound produced by the amplifier is considered quite pleasing. For the budget conscious, there are several optional tubes that can be used in place of the primary KT88.

2 thoughts on “KT88 tube amplifier

  1. End costs are going to be primarily dependent on the brand name of tubes and the quality of the output transformers. You should be able to build one for $300 to $400. A commercial version is going to cost 3 to 5 times that amount.

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