I have one more K-101A kit for a future project. If I anticipated doing two or more power supplies beyond the kit I have, then I would buy components: 12 Zener diodes, transformer, 2 bridge rectifiers, two transistors, one thermistor, an IC voltage regulator, and a heat sink. Everything else I've got--even some perf board I got when Radio Shack was going out of business.
I used the wood box because the shape was so similar to the radio cabinet, and I wanted something smaller and lighter than the Bosch Nobattry metal case that I'm using with the AK Model 30. That thing weighed about 20 pounds when it was full of the original components, and it's still too heavy when it's totally empty. Here's a size comparison:
And here's the "Happy Family" photo with the Model H speaker:
Anybody know why one or two terminals on a vintage battery eliminator have brass screws? (This sounds like a joke, but it's a real question).
Forty photos of this project:
https://flic.kr/s/aHsmov3ZfS
- Henry