Radio Retro

Don't throw it away!

Page 6 of 12

JVC Cassette Player CQ-1K Belt Change

Do you have an old JVC Walkman style cassette player that sounds like life has slowed right down? Or fails to play the tape? Don’t throw it away — it probably only needs the belt changing to restore its sound. Here are… Continue Reading →

JVC Cassette Player CQ-1K

Found this relict in an old box recently and thought it worthy of a post. Back in the pre iPod 80s if you wanted mobile music the Sony Walkman was the answer. But if you wanted to ski where the… Continue Reading →

Homebrew Hitachi Mosfet Power Amplifier

  This post features a project from 1981, my second to last attempt at design and construction of a low distortion audio power amplifier. It took several months on the bench, tweaking constant current sources  before etching the PCB and… Continue Reading →

Bang and Olufsen Beogram 3300

Spinning up vinyl on a Beogram is always a memorable experience. The precision of tangential tracking together with a sleek concord style moving coil cartridge signalling ’33’ rpm from red seven segment LED display at the end of the control… Continue Reading →

Roberts R250 / R550 – Volume Control Fault

Do you have a Roberts Revival R250 or R550 radio with no sound or crackles when the volume is turned? It’s a common problem with these radios after a few years use. The on/off switch attached to the volume control… Continue Reading →

Nixie tube IN-8 failure

My retro digital clock has developed a fault after running continuously for over seven or more years. The problem started with the minutes Nixie tube that displayed a faint 1 when 5 was on. As a quick fix I swapped it… Continue Reading →

Paradigm PDR10 Rattle and Hum Faults

So a rather old Paradigm PDR10 sub woofer I bought over ten years ago from Richer Sounds Sevenoaks had developed some faults and needed servicing. It would have been too easy to just throw it out but after a few… Continue Reading →

Pioneer X-HM71-S Timer Light Flash Blink Fault

Do you have a Pioneer mini-hifi (X-HM71-S, X-HM71-K or X-HM81-S, X-HM81-K) or amplifier (X-HM20, X-HM10) that suddenly stopped working? Maybe all it does when plugged in is flash a little red / blue light on the front panel and refuses… Continue Reading →

Darang Digicron Nixie Clocks from the Sixties

Interest in Nixie tube clocks has gained momentum in recent years with modern designs paired with new old stock (NOS) tubes from the ex Soviet block or Mullard  – Philips nearer home. You may be interested in the history of… Continue Reading →

Roberts Revival Drive Cord Tuning Fault

Has your analogue Roberts radio become difficult to tune? The Roberts Revival range including the R250 and R760 can develop a fault with the drive cord and become stiff to tune. This may occur towards one end of the range… Continue Reading →

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