Philco 70 Cathedral Speaker
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I hope he will, he did not claim it was working....
The seller who sold me the Model H with bad transformer did, and first she returned 100% of what I paid right after I mentioned that it did not, so I had to convince her to accept half of it back (well, the shipping was exactly half).
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I have two model 20s left and both have bad grills. The 20 is plentiful in this area but the grills are always bad. You are lucky to get much more than $50.00 for one around here.
Henry
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Steve. I finally built a home made coil winding jig out of what ever I had around the house I did find a sewing machine at goodwill 10.00 for the motor. I found that it was too hard to control the speed so I attached innards of fly fishing reel to hand wind.http://s1336.photobucket.com/user/220kohms/media/model%2020%20radio/100_3561_zpsa79447ba.jpg.html
[Image: http://i1336.photobucket.com/albums/o654...a90160.jpg]
[Image: http://i1336.photobucket.com/albums/o654...04c83e.jpg]
[Image: http://i1336.photobucket.com/albums/o654...9447ba.jpg]
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(12-05-2014, 06:31 PM)morzh Wrote: Whre's that?
Mike,
I live appx 16 miles south of Boston Ma. When I attend the NEARC swap meets or sell at local flea markets people just don't spend on that model.
Go figure,
Henry
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I am still looking for a plain 20, preferably with good cabinet.....not in our place...not that we have lots of other radios, but 20s are rare.
I have a lowboy and a Deluxe cathedral, still need the plain cathedral.
Boston, huh......
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Quote:I hope he will, he did not claim it was working....
Mike, The guy responded that he was unable to test the speaker so he sold it as-is. Well, I checked his other auctions and he has several radio related items listed, that tells me he must have some knowledge about this sort of thing. So I just don't believe his story. I think he had tested the speaker and was dumping it on Ebay.
Other Mike, I have been studying the pictures of your winding machine, I will have to make one. A pulse width speed control would work much better. I also need to build some sort of fixture to press out the pole piece. I'm not sure if I want to use a hydraulic jack or just a large bolt.
Steve
M R Radios C M Tubes
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Steve
If it is an AC asynchronous motor I am not sure how PWM speed control would work on it, it works on DC motors (then again, I am no drive specialist).
PS. When you figure how to successfully press out the pole (and to put it back) let me know, I have one 70 speaker to take care of myself.
(This post was last modified: 12-05-2014, 11:30 PM by morzh.)
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Quote:If it is an AC asynchronous motor I am not sure how PWM speed control would work on it, it works on DC motors (then again, I am no drive specialist).
I think most sewing machines used universal motors, a PWM speed control should work very well.
Steve
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(This post was last modified: 12-05-2014, 11:54 PM by Steve Davis.)
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Steve, I'm sure you could build one better than what I cobbled together. I have the foot control hooked to motor but you would have to push it down too far to get it going then back off and end up too slow or stopping.
I just finished a H-7 speaker and pressed the pole out and back with bench vice using a large plumbing type nut on one side of pole and a socket on other.
It was tricky work getting the pole back in and centered.
I also had to use the old cone since I can't find right size to fit 10.5 dia. Here are a couple pics. [Image: http://i1336.photobucket.com/albums/o654...1946e1.jpg]
[Image: http://i1336.photobucket.com/albums/o654...24487e.jpg]
[Image: http://i1336.photobucket.com/albums/o654...2439f7.jpg]
[Image: http://i1336.photobucket.com/albums/o654...efe588.jpg]
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Mike, will probably just throw something together like yours. Hopefully this will be a one time thing. I'm thinking about using a cordless drill and removing the trigger speed control and converting it to a foot control.
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Impressive....(no pun intended).
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State, Province, Country: Indiana
--
Ron Ramirez
Ferdinand IN
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(12-05-2014, 07:12 PM)morzh Wrote: I am still looking for a plain 20, preferably with good cabinet.....not in our place...not that we have lots of other radios, but 20s are rare.
I have a lowboy and a Deluxe cathedral, still need the plain cathedral.
Boston, huh......
I think Henry meant that people are unwilling to spend much for a 20 with a broken grille in his area. If they are fairly common there then that would make sense, prospective buyers would rather pass on a fixer upper and wait for one with a better grille . I've noticed that certain makes tend to turn up more in certain areas then others, and sometimes the location of the manufacturing plant is unrelated to whether you will find them nearby. Like for some reason Bob Andersen rarely sees a Stewart Warner, even though they were built in Chicago, but finds lots of Philco sets ever though they were made in Philadelphia. On that note Jersey is likely pretty good for finding RCA Victor products since their main plant was in Camden.
Regards
Arran
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