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 Post subject: setchell carlson radio schematic
PostPosted: Jun Sun 16, 2019 9:01 pm 
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Joined: Jan Mon 15, 2018 9:16 pm
Posts: 14
I just acquired a tombstone radio this weekend and I'm trying to find a schematic for it. the only identification on the radio is the name Setchell - Carlson on the dial. there is no model number or label of any kind anywhere else on the radio. Through some database searches it looks like it may be a model 40. It uses 4 vacuum tubes 75, 38, 1A6, and 34. Its a battery set with a vibrator power supply. My guess is it runs on 6 volts but I'm not sure of that either. I spent some time looking through Riders diagrams but don't see any Setchell Carlson radio even close to this. Does anyone know where I could get a schematic diagram and any other info on this radio?


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 Post subject: Re: setchell carlson radio schematic
PostPosted: Jun Sun 16, 2019 9:23 pm 
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Joined: Jan Tue 31, 2012 1:55 am
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Location: Mountains of Mourne. Ireland.
Post subject: ID Help - Early Setchell Carlson Tombstone.
viewtopic.php?p=2707382#p2707382
I doubt that there ever was a schematic published!

If you get a chance, post some photos.

Posting photos to a forum thread...
The skinny: viewtopic.php?p=3032571#p3032571


:) Greg.


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 Post subject: Re: setchell carlson radio schematic
PostPosted: Jun Sun 16, 2019 9:53 pm 
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Joined: Jan Mon 15, 2018 9:16 pm
Posts: 14
Ill have to work on getting the photos off my phone and resized so they can be posted. The radio looks pretty much identical to the one shown in the link you posted with your reply except mine still has the vibrator assembly on the chassis and looks to be totally untouched. I wondered if there might never have been a schematic published for this radio. It's interesting that there is no rectifier tube in the vibrator cabinet so I don't know how they achieved the DC high voltages.


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 Post subject: Re: setchell carlson radio schematic
PostPosted: Jun Sun 16, 2019 11:21 pm 
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Joined: Jan Tue 31, 2012 1:55 am
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Location: Mountains of Mourne. Ireland.
The link above explains how to resize your photos.
It would be best to draw a schematic for your radio.

34 tube... ~1930
https://www.radiomuseum.org/tubes/tube_34.html

38 tube... ~1930
https://www.radiomuseum.org/tubes/tube_38.html

75 tube... ~1933
https://www.radiomuseum.org/tubes/tube_75.html

1A6 tube... ~1933
https://www.radiomuseum.org/tubes/tube_1a6.html


fyi... (for tube pinouts) view tube manuals on-line, or download as a pdf.
viewtopic.php?p=3041801#p3041801

:) Greg.


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 Post subject: Re: setchell carlson radio schematic
PostPosted: Jun Fri 21, 2019 8:08 pm 
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Joined: Jan Mon 15, 2018 9:16 pm
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Here are the photos you requested of my radio. What do you think?


Attachments:
IMG_1877.JPG
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IMG_1880.JPG
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IMG_1881.JPG
IMG_1881.JPG [ 178.12 KiB | Viewed 134 times ]
IMG_1882.JPG
IMG_1882.JPG [ 221.78 KiB | Viewed 134 times ]
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 Post subject: Re: setchell carlson radio schematic
PostPosted: Jun Fri 21, 2019 8:43 pm 
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Joined: Jan Tue 31, 2012 1:55 am
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Location: Mountains of Mourne. Ireland.
Nice radio. The speaker cutout is interesting.
The cabinet should look like a million bucks when it's finished... :)

Thanks for the photos.
Greg.


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 Post subject: Re: setchell carlson radio schematic
PostPosted: Jun Sat 22, 2019 3:34 pm 
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Joined: Dec Sat 24, 2011 9:17 pm
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Location: Vancouver Island, Canada
Right, it's a keeper. "Rugged good looks" is what that is. 8)

_________________
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Burl Ives, RIP, oldtimer.
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