HEATKEYS

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All our hi-fi products are designed by Chinese domestic famous diy amplifier enthusiast. Our amp diy kits and finished hi-fi products are made by high-quality PCB and components. Perfect design and quality create superior performance and high-end exp...

This is a discussion forum about building , modifying and maintaing musical electronic devices such as guitar amps and effects.

A community dedicated to helping everyone learn the art of audio. Projects by fanatics, for fanatics!

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ESP - The Audio Pages. Professional results for the DIY enthusiast. Audio articles, projects to build and general information about hi-fi amplifiers, loudspeakers and audio in general.

Discussions and pictures of everything Marshall amplification.

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