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Music retailer dealing in amplifier tubes and parts, with tutorials on do-it-yourself amp modification and repair.

Audio electronic specialty items for professionals and hobbyists; worldwide shipping.

Vacuum tubes, tubes, electron tubes: NOS and current for the most demanding audiophile and hobbyist.

Tubes and tube related products to design and build custom amplifiers and systems.

Small company where the primary business is selling audiophile tube parts.

Can modify old tube or solid state equipment to sould like new using the latest components. Charges for labor time. Parts and return shipping are billed at cost. Free estimates.

High-efficiency loudspeakers for tube amps. Turntables and other electronics.

This site contains product information on Berning audio amplifiers that are in production now, as well as technical and service information on discontinued models.

Contains a very large collection of datasheets, schematics and PSPICE models,plus freely downloadable software.

Importer of premium european vacuum tubes direct from the manufacture.