Category Archives: Audio

Toshiba 11H-540F Tabletop Transistor Radio Overhaul

Posted on October 20, 2014 by retrovoltage

I recently got to work on a little tabletop transistor radio from the late ’60s, maybe 1970 at the latest, from Toshiba: the 11H-540F. Not the catchiest name, but it was near the top of its model line-up featuring 11 … Continue reading →

Posted in Audio, Electronics, Vintage | Tagged 11h-540f, radio repair, tabletop radio, toshiba, transistor radio | 5 Comments

Harmony H500 Solid State Guitar Amplifier Repair

Posted on October 10, 2014 by retrovoltage

And now for something a little different, this time it’s a vintage guitar amplifier: the Harmony H500. The owner sent it to the shop out of the cabinet to be serviced since it quit putting out any sound. It’s a … Continue reading →

Posted in Audio, Electronics, Projects, Vintage | Tagged 2n3391, capacitor, guitar amplifier, h500, harmony, repair, replacement, solid state, transistor | 1 Comment

Phase Linear 2000 Pre-Amp Overhaul

Posted on October 6, 2014 by retrovoltage

I had a Phase Linear 2000 on the bench for a repair recently. It was running okay, but had some pops and clicks and the controls weren’t all that smooth. Time for an overhaul before anything worse cropped up! This … Continue reading →

Posted in Audio, Electronics, Hi-Fi, Projects, Stereo, Vintage | Tagged 2000, capacitor replacement, fine gold, hi-fi, Nichicon, phase linear, phase linear 2000, pre-amp, preamp, stereo repair | Leave a comment

Marantz 2245 Stereophonic Receiver Rebuild

Posted on September 19, 2014 by retrovoltage

An iconic piece of kit from the golden age of hi fi just came through my shop: the Marantz 2245 Stereophonic Receiver. This fantastic receiver is in pretty good cosmetic shape, but its owner reported that it started acting up – it’d take … Continue reading →

Posted in Audio, Electronics, Hi-Fi, Projects, Stereo, Vintage | Tagged 2245, hi-fi, Marantz, rebuild, recap, receiver, Refurbish, repair, stereo receiver, Stereophonic, vintage hifi, vintage stereo | 7 Comments

The Speaker Spotter – Speakers of Craigslist – April 18th, 2014

Posted on April 18, 2014 by retrovoltage

There’s always something interesting for sale on Craigslist, especially in Seattle. Do click the titles to see the original postings with more photos and additional information if you’re interested – otherwise, enjoy the virtual window shopping! Avid Corporation 100 Speakers – … Continue reading →

Posted in Audio, Collections, Photos, Speakers, Stereo, Vintage | Tagged 7000A, A25, altec, altec lansing, Avid, Avid 100, Bose, Bose 601, Dahlquist, Dahlquist M-905, DDS1, Dynaco, Dynaco A25, exponential, Fisher, hi-fi, Horn, Klangbox, M-905, multicell, Nova-6, Radio Shack, RB66, Realistic, Realistic Nova-6, Seeburg, Seeburg Discotheque, series III, speaker spotter, Speakers, stereo, Technics, Technics 7000A, Telefunken, Telefunken RB66, tweeter, vintage, VOTT, woofer | 2 Comments

The Speaker Spotter – Speakers of Craigslist – April 11th, 2014

Posted on April 11, 2014 by retrovoltage

There’s always something interesting for sale on Craigslist, especially in Seattle. Do click the titles to see the original postings with more photos and additional information if you’re interested – otherwise, enjoy the virtual window shopping! Today’s selection has several interesting … Continue reading →

Posted in Audio, Collections, Hi-Fi, Speakers | Tagged 501, Bose, Bose 501, Dahlquist, Dahlquist DQ-10, dome, DQ-10, EMIT, EMIT-k, Horn, Infinity, Infinity Modulus, Infinity Reference, Infinity RS 5000, Legacy Audio, Legacy Audio Signature, Mach One, Modulus, multicell, pioneer, Pioneer CS, polycell, Radio Shack, Realistic, Realistic Mach One, Reference, RS, RS 5000, speaker spotter, speakerlab, Speakerlab 7, Speakers, tweeter, woofer | Leave a comment

The Speaker Spotter – Speakers of Craigslist – April 4th, 2014

Posted on April 4, 2014 by retrovoltage

There’s always something interesting for sale on Craigslist, especially in Seattle. Do click the titles to see the original postings with more photos and additional information if you’re interested – otherwise, enjoy the virtual window shopping! Today we’re featuring some speakers … Continue reading →

Posted in Audio, Collections, Hi-Fi, Photos, Speakers, Stereo | Tagged 2001, 8320, audiophile, C35, dome, Duntech, Duntech Soverign, Empire, Empire Royal Grenadiers, Famous Johnzer, Grenadiers, Greybeard, Greybeard Audio KB22, hi-fi, Horn, James B Lansing, jbl, JBL C35, Johnzer, KB22, kenwood, Kenwood KL-8080X, KL-8080X, marble, MCS, MCS 8320, mid, Modular Component Systems, Petroff, Petroff Labs, Petroff Labs Reference, Polk, Polk Audio, Polk Audio RTIA9, Polk RTIA9, PPX-1, Reference, Royal, RTIA9, Soverign, Speakers, tile, tweeter, vintage, Wharfedale, Wharfedale PPX-1, woofer | Leave a comment

The Speaker Spotter – Speakers of Craigslist – March 21st, 2014

Posted on March 21, 2014 by retrovoltage

There’s always something interesting for sale on Craigslist, especially in Seattle. Here’s a selection of especially notable vintage speakers and other audio products for sale on the local Craigslist. I’m not affiliated with any of these sales, but if you’re interested, you … Continue reading →