Restoring a 1924 Crosley 51 with a Solid-State Transformer?
ฝัง
- เผยแพร่เมื่อ 1 มิ.ย. 2023
- Restoring antique radios has many challenges, and one of the most frustrating is getting replacement transformers or repairing bad ones. Transformer winding is an art form and not a lot of people are capable of it. But some people have come up with solid-state alternatives to a transformer and one person in particular allowed me to try out one of his prototype boards. While I will do a separate video on the SSTD2 board itself, I wanted to incorporate one into this restoration. While his intent is to allow the old transformer to remain and bypass it with this modification, which is small enough to easily hide in the radio, I opted to replace the core with the card.
This is a 1924 Crosley 51 with the Black Panel, and there is a bit to do on it. I have to find some knob replacements, terminal replacements, restore the cabinet, clean up the face plate and parts, and test it all out with UX201A tubes and UX199 tubes. You don't want to miss the testing at the end! - วิทยาศาสตร์และเทคโนโลยี
Another great restoration. The SST, hiding within the original transformer, keeps everything looking factory. Nice result, thanks.
Awesome restore, thanks!
Next level - make solid state "tubes" from field effect transistors.
AWESOME!
I have a few of these boards and plan on installing them in a Grebe CR9. Going to leave transformers intact - just will take out of circuit and hide the boards
About 50 of these have been installed. The original transformer stays in place. Depending on the transformer, some have enough room inside the shell to hide the board. (Like in the Radiola III) Or it is so small that it can be hidden somewhere on the chassis.
Crosley was a great 😊 product of days gone by. Try to buy a Crosley record player/radio combination these days, everything inside them is held together by bunches of hot 🥵 glue. Again, your friend, Jeff.
I’m not exactly sure what kind of radio 📻 this is. One ☝️ that’s vacuum tube, but it’s not your typical AM/FM radio 📻. Your friend, Jeff.
It's a 1924 AM radio. FM wasn't invented until 1933.
I have one of these in very good condition. What's it worth?
Purist would probably not like the mini coil sub either. I would be interested in this as a coil install is a pain. Would this work on the radiola's like the III?
They would work in pretty much any radio that needs a 5:1 or 3:1 audio transformer. The design is such that the original transformer can stay in place and the card hidden, so the transformer is bypassed.
It's not so much that a purist only wants the real thing... they do.. but also think about who might own this radio after you... and how confused they would be to find you put a solid state transformer inside the original transformer guts. By all means, do what it takes to get it working, but don't destroy or throw away any of the original parts if you can help it. Disgusing things as something they aren't is dubious to the next owner. It'll work just fine without installing it inside the original transformer shell.