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Well, okay. Maybe the title is a little over the top. Even so, parts suppliers I have relied on for years are falling by the wayside month by month, year by year. All Electronics was a reliable source of 'second-source' electronic parts. Prices were a fraction of the regular catalog sources...

The clock/counter in the 1978 Cobra 2000GTL had a design boo-boo in it. They connected the output from an analog chip into the input of a digital chip. Turned out not to be too reliable. Enter Technical Service Bulletin 1232. It shows how to fix this tiny flaw with one disc capacitor and two...

For decades radios with features not legal for 27 MHz CBs have entered the country as "10 meter" transceivers. Typically the Galaxy, RCI, Connex and such brands will be intentionally crippled on the inside before shipment, and get "un-crippled" to cover 40 CB channels once the radio is safely...

Had some requests for an upgrade kit to replace the relay in the Browning 180 base linear. It was legal for Browning to sell, because their 1960s radios were type accepted for a business license. No joke. Had one customer in 1975 that was licensed for 27.320 MHz. Had a Browning Mark 2 base...

Lazarus! Arise from your back burner. A few years ago I posted a project that shrinks the 9/16-inch digits on the SanJian PLJ6-LED frequency display so it fits behind the dial window of a Siltronix 80/90 VFO or the VFO window of a Tram D201. And then reality set in. Removing the big digits...

The old saw goes "Measure once cut twice. Measure twice, cut once." Lost track of how many times I advised someone to check the base voltage feeding to a new replacement final before soldering that lead to the pc board. Shoulda taken my own advice. Customer states no transmit from his Cobra...

Forgot I had this one. It's about two by three feet, laminated. The guy who let me copy it was a RCI dealer at the time. If I discover more models that use this board, I'll update the list. Only cost $18.33 to get this one scanned to a PDF. 73

Now and again day-to-day life just drives me to do something stupid, if only for the sake of variety. This is a chore I have procrastinated for ten or fifteen years, maybe more. I'll guess that this wiring diagram for the traditional analog "Tweety Bird" noise toy has made the rounds over the...

Oops. Should say "fifth decade". Took a few shots of a D&A Maverick we refreshed for a customer. This is the gray one with the tube-type keying circuit and the 3-position band switch in the middle of the lower three knobs. The mileage looked really low, so it keeps the original relay and...

The two-pin mike socket on the Browning base-station transmitters is becoming an expensive proposition. The 80MC2M plug has a flaw worse than the high price. A tendency for the ground connection to come loose from the cord. The factory straight cord had a shield that was as thick as you find on...

A while back, one of my more dependable second-source (surplus) suppliers closed their doors. All Electronics was consistently easy to browse and usually had something I needed. But no more. They're closed and gone forever. In fairness, a group of their employees have taken up the torch, so to...

The original RCI 69FFB4 radio used four DEI copies of the 2SC2879 RF transistors for its built-in linear amplifier. That part is a dog. The ones in this radio blew out fairly early. It sat a year or three before its new owner bought some legitimate HuaGao parts to get it back on the air. The...

This anchor weighs enough I skipped breaking my package scale with it. Gotta be 50 or so pounds. A big anchor for a big boat. The Measurements Corp was right up there with General Radio in the test equipment biz 70 years ago. Not sure if this one is quite that old, but that's the ballpark...

This collection should be legible enough to use. A diagram for a Maco product is just a list of suggestions. The one with the hand-scribbled notes has specifics from units we saw here. Better than nothing.

Not really *your* own, but the guy in the video. Just happens to have immediate access to all the necessary stuff by hanging out at Nippon Chemi-Con. How geeky must you be to watch the whole 20 minutes? I'll guess the sources of his info are authentic. 73

As advertised, here is the mod to put the carrier control on the front panel of a Cobra 2000. It serves four objectives. To set the minimum carrier below a half Watt without having to add a trimpot. To preserve the same peak modulated power no matter how low the carrier is turned. To sound as...

The original type blower used in the Pride DXD300 was discontinued decades ago. Howard Industries exited the blower business, and nobody ever copied or licensed the plastic-body design as a second source. The original-type blower I used to rebuild this amplifier sounded okay for about the...

For years we would see tiny lumps of black potting resin with three wires protruding, installed mostly in radios built by RCI. These were "swing kits". You removed a resistor from the circuit board and inserted wires from the module into the holes where the resistor had been. Hammer the resin to...

The Cobra 1000GTL was an AM-only CB base that looks a lot like the 2000GTL. Has a clock, but no counter and no SSB. It was discontinued after a year or three unlike the 2000GTL model. The block diagram looks a lot like a Cobra 29GTL/LTD, but the circuit board layout is different. Users who like...