Retro Sound
Australian distributor of vintage valve (tube) guitar and hi-fi amplifier parts and supplies. Specialists in Fender amp parts and restorations and vintage guitar effects.

Diamond Stylus Co. Ltd.
The original inventors of the diamond stylus offer a most comprehensive range of hi-fi stylus and cartridges.

Black Audio Devices
Unique and hard-to-find parts, tools, and accessories for pro audio.

Canadian Astatic
Supplier of replacement turntable stylus, turntable cartridges, microphones and turntable belts.

US Speaker LLC
Online sales of Eminence pro speaker components.

Parts Express
Online sales of audio, video and speaker building components for home, office, mobile and pro sound.

Kahwaty Joe DJ Supply
Speaker parts for DJs, bands, sound reinforcement and speaker cabinet designers. A complete line of professional woofers, compression divers, super tweeters, horns and crossovers. Order by telephone, pay by check or money order.

Logjam Media
Newly manufactured replacements parts and accessories for vintage Neve modules such as the 1073 and 1272.

Vintage Speaker Inc.
Sales of new speakers and tubes for vintage amplifiers.

Musonic (UK) Limited
Styli, pickup cartridges, and audio accessories. Site includes cross reference, prices, and order information.

Appian Acoustics
PA loudspeaker drivers, horns and crossovers for groups, guitars, disco and karaoke. Glasgow.

Electron Valve Enterprises, LLC
Vintage tubes and audio components.

AudioCon
Online sales of pro audio connectors. Volume discounts available.