 
|
Audio Asylum Thread Printer Get a view of an entire thread on one page |
For Sale Ads |
|
|
Audio Asylum Thread Printer Get a view of an entire thread on one page |
For Sale Ads |
70.20.5.69
Greetings-I recently purchased some type of amplification device from Ebay, mainly for the transformers (UTC LS-12X, two UTC A-18, etc.).As I have not yet received the unit, my curiosity is getting the best of me.I was wondering if anyone knew what this piece was used for originally, and am I commiting sacrilege by dismantling it? I would have posted the pictures to make viewing easier, but they are protected by Auctiva? Thanks for your help, wpod
- http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ih=006&sspagename=STRK:MEWN:IT&viewitem=&item=160100812201&rd=1&rd=1 (Open in New Window)
Follow Ups:
No power output tubes on it. Plus you aren't going to get very far in terma of a power amp with with a 5Y3.I agree it's some kind of lab signal generator or processor. I also noted the expoy glass PC boards. I agree that's 1960s technology.
Probably a low frequency (under 100hz) for driving a robotic arm or shaker table.
"I take you as you are
And make of you what I will,
Skunk-bear, carcajou, bloodthirsty
Non-survivor.
Lord, let me die but not die out." THE LAST WOLVERINE by James Dickey
As others have posted, it's not that old, what with a Nuvistor and all as part of the tube complement.It's likely to be a power amp that drove an industrial device such as a shaker table or a similar machine to produce vibrations. That would make sense with the Dr. Scholl's connection - they may have used it to test the vibration damping of their products. There is likely an on board oscillator that develops the signal that's then amplified.
It is likely bandwidth limited, but it had to be pretty well made since repeatability was important. There is some adjustment to the frequency range but it is likely limited too. The amplitude seems to be what it adjusted with the control on the face.
The chassis is in excellent shape, you could get a new faceplate made by Front Panel Express or ??, and rebuild the guts to hi-fi standards. That would save a lot of hassle and expense on a chassis.
It looks like a fine starting point for a nice project!
It looks like a variable sine wave generator. But if you don't have an oscilloscope, where you can actually look at the output and use the front controls to standardise the waveform, by all means tear it up. Better still, because it has an OC3, OD3 and a 5651, all regulator tubes, you might be able to use the power supply as it stands, punch a couple of extra holes and build your own preamp on that chassis.
...If you really have to know, contact them. I'd bet they still have a record of the thing.
Greetings- Thanks for pointing that out, I hadn't noticed that. The seller has no idea what it is, are you suggesting that I contact Dr. Scholls? Unlikely (wild guess), but perhaps it had something to do with those foot X-ray devices that they used to have in shoe stores back in the 50's? Appreciate the help, regards, wpod
> perhaps it had something to do with those foot X-ray devices that they used to have in shoe stores back in the 50's?Those were outlawed way before the '50s. The item you purchased is much newer and doesn't appear to be anything special. I'd salvage the good stuff and not look back. Be sure to save the 6SL7/9-pin converters in the 6SL7 sockets.
I could see a lot of potential. Maybe a nice preamp with built in crossovers for bi-tri amping? Nice to have the crossover points mounted on riser cards:)
Russ
Maybe some sort of signal generator? I doubt that is was build in the 'late 30s or 40s' as suggested by the seller, judging from the epoxy circuit boards that plug into those connectors. More like 60s or later.
This post is made possible by the generous support of people like you and our sponsors:
Top of Page ]
[ Contact Us ]
[ Support/Wish List ]
[ Copyright © 2024, Audio Asylum, all rights reserved ]
