Collaborate Disseminate
Old radios often had selenium rectifiers to convert AC to DC. The problem is that the old units, dating back to 1933, are prone to failure and to release dangerous …read more Continue reading Replacing Selenium Rectifiers
[MIKROWAVE1] claims he’s not a radio repair guy, but he agreed to look at a malfunctioning Hallicrafters S-120 shortwave receiver. He lets us watch as he tries to get it …read more Continue reading Repairing a Hallicrafters S-120
If you are a certain age, it is hard to wrap your head around the fact that an old radio might have transistors — the old ones all had tubes, …read more Continue reading AJAX COMMAND Radio is an Oldie but Goodie
Ham radio operators can be pretty selective about their gear. Some are old-school tube purists who would never think of touching a rig containing transistors, and others are perfectly happy …read more Continue reading Homemade Panadapter Brings Waterfall to Old Radio
[Mr. Carlson] is truly an old radio surgeon. The evidence? He recently restored an 83-year-old DeForest radio by transplanting an identical chassis from another similar radio. The restoration is fun to watch, but the 7D832 radio dial looks amazing. The …read more
[MisterM] seems to specialize in squeezing new electronics into old but good-looking technology. His latest creation focuses on a space-age specimen: an interesting car radio from 1963 that could be pulled out from the dashboard and taken along wherever. The beat goes on, thanks to a shiny built-in speaker on …read more
Continue reading Vintage Car Radio Now Plays Games and Chiptunes
The meaning of the word portable has changed a bit over the years. These days something has to be pretty tiny to be considered truly portable, but in the 1940s, anything with a handle on it that you could lift with one hand might be counted as portable electronics. Zenith …read more
Antique radio receivers retain a significant charm, and though they do not carry huge value today they were often extremely high quality items that would have represented a significant investment for their original owners. [CodeMakesItGo] acquired just such a radio, a Philco 37-11 made in 1937, and since it was …read more
Continue reading Vintage Philco Radio Looks Stock, Contains Modern Secret: A Raspberry Pi
This Bluetooth speaker is full of delightful surprises. The outer shell is an antique radio cabinet, but its practically empty interior is a combination of Dead Bug circuitry and modern BT receiver.
[PJ Allen] found the BT receiver on Groupon and decided to whip up amplifier and threshold detector circuits using only parts he already had in order to make this vintage-looking Bluetooth speaker. The cabinet is from a Silvertone Model 1955 circa 1936. Don’t worry, no antiques were harmed in the making of this hack, the cabinet was empty when he bought it.
The amplifiers, one per speaker, began …read more
Continue reading Vintage Silvertone Cabinet Gets Bluetooth Treatment
Tube radios have a certain charm. Waiting for them to warm up, that glow of the filaments in a dark room. Tubes ruled radio for many decades. [Uniservo] posted a video about the history and technology behind the 1920’s era Clapp-Eastham C-3 radio. This is a three-tube regenerative receiver and was advanced for its day.
If you are worried he won’t open it up, don’t despair. Around the ten minute mark, your patience will be rewarded. Inside are three big tubes full of getter and bus bars instead of wires. Add to that the furniture-quality case, and this is a …read more