Building a Low Power Headphone Amp with the Tubelab SE board:

The Tubelab SE board can also be used to build a low power headphone amp. Most audiophiles will build the board in the normal fashion, using the popular output tubes and a resistive attenuator to reduce the output power for headphone use. This way the amplifier can still be used with speakers. The type of resistive attenuator depends on the impedance of the headphones being used.
 

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