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February 2026 S M T W T F S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Meta
Category Archives: Photos
Build Log and Review: Mable Audio VT-86PP Kit Hi-Fi Amp Project
About a year ago, someone left a comment that really looked like spam on one of my pages advertising a web store selling tube audio gear and parts for guitar and audio amplifiers. Against everything I’ve ever learned about behaving … Continue reading
Posted in Electronics, Hardware, Photos, Projects, Radios and Tubes, Technology
Tagged 12AX7, 6P6P, 6V6, 6V6G, Amp Kit, amplifier, build log, build photos, capacitor, China, Chinese, construction, diy, EL34, EL84, hi-fi, Kit, Mable Audio, Mableaudio, projects, quality, recommendation, review, Shenzhen, soldering, Technology, Tube Amp, tubes, vacuum tube, VT-86pp
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Antique Tube Box Art
I took a gamble on a box-lot of parts from Craigslist, and it turned out to be an excellent find. One of the things I found was a collection of tubes in their original boxes from 1926. That doesn’t happen … Continue reading
Posted in Photos, Radios and Tubes, Vintage
Tagged 01A, antique radio, Arcturus, art, AX-301A, box art, Craigslist, Cunningham, CX-301A, Montgomery Ward, rca, triode, tube, tube box art, UX-201A, vacuum tube, vintage radio
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1936 Grunow 566 Repair Finished! [Part 2]
I started this radio a few days ago in Part 1. I left off with the radio up on the bench ready for service. It had a lot of issues with the power supply – and as I discovered while … Continue reading
Posted in Photos, Projects, Radios and Tubes, Vintage
Tagged 6A7, capacitor, capacitor replacement, electrodynamic speaker, Electronics Show, field coil, Flea Market, flex resistor, grunow, Grunow 566, Grunow Chassis 5-S, Grunow Radio, grunow radio restoration, hacked, IF transformer, Meissner, Mike and Key, modification, permanent magnet speaker, repair, restoration, tube radio, vacuum tube
2 Comments
Next Project: 1936 Grunow 566 Radio Repair [Part 1]
I’m off to a good start for my March projects, fixing up the Grunow 588. Next up is my Grunow 566 from the year before, from 1936. I picked this one up from eBay in shockingly good original condition – … Continue reading
Huge and Powerful: The 1937 GE F-135 Repair Complete
I’ve finally had the time to finish one of my long-running projects repairing GE’s most powerful radio offering from 1937, the GE F-135. I picked it up from Craigslist back in November but other responsibilities kept me from getting much … Continue reading
Posted in Photos, Projects, Radios and Tubes, Vintage
Tagged 6L6, AFC, AM, amplifier, antique radio, APEX, cabinet, capacitor, capacitor replacement, F-135, F-96, GE, hi-fi, motor tuning, photos, radio photos, repair, restoration, Touch Tuning
7 Comments
More Strange Coiled Wires [Mailbag]
I had an interesting call the other day with a gentleman about a radio he’s working on, among other topics: That’s a Philco 46-420. They’re nice little bakelite radios with 6 tubes designed to receive the AM broadcast band. He’d come … Continue reading
Posted in Electronics, Mailbag, Photos, Radios and Tubes, Vintage
Tagged 46-420, Antique, around capacitor, capacitor, coil, coiled wire around capacitor, Hippo, inductance, mail, Mailbag, philco, questions, repair, twisted wire, vintage, Wave Trap
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What’s that piece of wire, some kind of gimmick? [Mailbag]
I was talking with a fellow antique radio hobbyist on the phone the other day about a repair he was working on. A TrueTone battery radio, he’d taken care of all the important steps – checking out the tubes, replacing … Continue reading
Posted in Electronics, Mailbag, Photos, Radios and Tubes, Vintage
Tagged antique radio, capacitor, collector, gimmick, mail, old radio, questions, radio won't play, repair, restoration, TrueTone, tube radio, twisted wire
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Unboxing my Sharp PC-4501 classic Personal Computer
It’s 1987 and I’ve been needing a new laptop. After a careful process of comparison shopping I settled on my Sharp PC-4501 from Montgomery Ward. Let’s open it up and take a look! For only $699.99, it’s a state of … Continue reading
Posted in Commentary, Electronics, Hardware, Photos, Vintage
Tagged 1987, classic PC, DOS 2.11, DOS 3.21, laptop, PC, PC-4501, personal computer, photo, photography, Sharp, unboxing, unpacking, vintage PC, WORD 4
9 Comments
Grunow 589 Radio Repair Redux
I’ve seen this model radio before in my shop and it was pretty exciting to work on another identical one. This particular one came in excellent shape – it looks like it was stored well for most of its life. … Continue reading
Posted in Photos, Projects, Radios and Tubes, Vintage
Tagged antique radio, grunow 589, grunow chassis 5-U, grunow radio restoration, repair, restoration, tube radio, vacuum tube, vintage radio
8 Comments
RETROVOLTAGE 
How Television Benefits Your Children [Vintage Ad]
Motorola, leader in television, shows how TV can mean better behavior at home and better marks in school! Own a Motorola and you know you own the best. Does that clown look terrifying to anyone else?