1980s Homemade 12-volt power supply @retrochad

Uploaded December 2011 | Updated September 2026, 4 days ago

I got this supply at the hamfest and use it to test a 1967 solid state Motorola B/W TV.

1960s Janssen/Welte-Mignon Player Piano Test

1930s Arvin Model 417 Rhythm Baby radio completed repairs

Miscellaneous vintage computer equipment

Janssen player piano playing Hard Hearted Hannah

Bad wiring on Chinese Fish Animated Lamp

1950 Completed Truetone Console AM/FM Radio Model D-1046A

Aeolian Player Piano plays Hawaii Five-0

Repaired 1972 Allen Digital Computer Organ Aus Tiefer Not

1964 Arvin tube type radio model 45R48 FM tuner test

retrochad |

1980's Homemade 12-volt power supply

Name: ADTPro data transfer to Apple IIe @retrochad
Uploaded: 2011-07-23T01:29:31-0400
Duration: 8 min 17 s
Description: I was able to get ADTPro transferred using the audio hookup to the cassette ports on the Apple. I learned that high-density floppies will not work but double-density will. The PC is running Slackware Linux.