HEATKEYS

Buy and sell electronics, cars, clothing, apparel, collectibles, sporting goods, digital cameras, and everything else on eBay, the world

We sell the best new old stock NOS vacuum tubes, cryogenically frozen kuhl tubes, superior customer service offering only top quality tubes. Preamp tubes, power tubes, amplifier tubes, replacement tubes, resistors, inductors, transformers, power trio...

Audio recommendations from audiophiles and free forums. Ask questions and get advice on stereos, speakers, hi-end amplifiers, pre-amps, home theater, tube hi-fi, turntables, vinyl, tweaks, music, films, video, DVDs and more. A personal Audio Advisor ...

TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar players, DIY tube audio enthusiasts, and audiophiles. We also offer high quality and hard to find parts for DIY tube amplifier projects. Our ...

Head-Fi.org: Head-Fi covers headphones, portable audio, earphones, earbuds, headphone amplifiers and audiophile equipment.

Bottlehead Corp. is the home of vacuum tube kit amps and preamps

tubes store

GrabCAD - a free CAD model library with 2D / 3D CAD files available for software like SolidWorks, AutoCAD, Autodesk Inventor, Solid Edge, SketchUp etc.