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Author Archives: retrovoltage
What’s On Your Workbench?
People ask me what kind of gear I use at Retrovoltage for projects. So, here we go: While it’s by no means the best-equipped workbench out there, it has a good mix of lab- and service-grade equipment which can take care … Continue reading
Posted in Collections, Commentary, Test Equipment
Tagged atten, audio precision, bk precision, HP, LogiMetrics, photos, repair bench, sencore, tektronix, test equipment, workshop
6 Comments
It’s Beginning To Look A Lot Like Christmas
Bring the Sound of Christmas Into Your Home with RCA Victor Radio
Posted in Collections, Commentary, Vintage
Tagged christmas, radio ad, rca victor, vintage ad
4 Comments
Collector or Bargain-Hunter? There are Craigslist deals out there.
If you’re like me and have a liking for vintage electronics, you’ll know that they turn up in a lot of places. Craigslist tends to be a pretty good spot for radios and even piles of tubes from time to … Continue reading
Posted in Commentary, Test Equipment, Vintage
Tagged 4c250, ghz oscilloscope, kilomegacycle, oscilloscope, tektronix, tektronix 519
7 Comments
Make Christmas Special This Year with Allied Radio!
Posted in Collections, Commentary, Vintage
Tagged Ad, allied radio, christmas, vintage ad
3 Comments
Enjoying the View
I don’t know about you, but I think a huge satellite dish like that that would be a pretty cool, retrofuturistic yard decoration in addition to being interesting for a lot of other applications.
Posted in Collections, Projects
Tagged antenna, backyard, decoration, pink flamingo, retrofuturism, retrofuturistic, satellite dish, satellite TV
5 Comments
What do we have here?
I was reading about how to build a capacitor checker from the December 1959 issue of Popular Electronics and stumbled across something that looked very familiar. I know that shape. Nearly identical to a Bose® 901 Series I/II cabinet, and even … Continue reading
Posted in Audio, Bose, Collections, Commentary, DIY, Electronics, Vintage
Tagged 901, Bose, cosmos industries, direct, direct/reflecting, mystery, mystery speaker, predecessor, prototype, reflected wave, reflecting, series I, speaker, Speakers
2 Comments
Bose® 402E Active Equalizer #102853 Repaired
The first Bose® 402E Active Equalizer, for the Panaray speaker system, just came through the shop. It’s a small speaker array system, designed around similar drivers in the 901, and uses an Active Equalizer for the same effect. They’re designed … Continue reading
Posted in Audio, Bose, Electronics, Projects
Tagged 402, 402e, Active Equalizer, audio precision, Bose, bose 402e, curve, frequency response, panaray
7 Comments
Retrofitting Light Fixtures with New, High Efficiency LED Bulbs
I posted a while back about LED filament bulbs that use the new silicon-on-glass manufacturing process to produce Edison bulbs with thin strips of LEDs. Perfect for where you want that vintage styling of an incandescent bulb without all the … Continue reading
Posted in Commentary, Gadgets
Tagged cfl, corn led, LED, led bulbs, led edison bulb, led filament, led floodlight, led lighting, light bulb, lighting
3 Comments
Service Shortcuts – November 1932
Radio Retailing brings you some helpful service shortcuts: Tube Numbering That Means Something The RMA is seriously considering a new three-character system of marking radio receiving tubes which may shortly come into general use in place of the present meaningless … Continue reading
Merry Christmas from Retrovoltage!
Radio & Television News, December 1954