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turf1600
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Post subject: ID Help - Early Setchell Carlson Tombstone Posted: Jun Mon 26, 2017 7:51 pm |
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Joined: Apr Tue 29, 2014 4:48 pm Posts: 37
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Trying to ID this Setchell Carlson tombstone that I picked up at a garage sale. I can't find a thing on it. It has 5 tubes and had a label on it that said "Early 30s". Any thoughts?
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Indiana Radios
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Tue 27, 2017 12:17 am |
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Joined: Sep Thu 14, 2006 3:27 pm Posts: 12441 Location: Carmel, Indiana
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egg
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Tue 27, 2017 12:24 am |
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Joined: Jan Tue 31, 2012 1:55 am Posts: 10344 Location: Mountains of Mourne. Ireland.
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Are there any numbers stamped on the chassis or speaker?
Greg.
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turf1600
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Tue 27, 2017 12:56 am |
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Joined: Apr Tue 29, 2014 4:48 pm Posts: 37
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I will report back after I get home
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Tim Tress
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Tue 27, 2017 1:09 am |
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Joined: Jan Thu 01, 1970 1:00 am Posts: 9315 Location: Beaver Falls, PA. USA
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From the dial and cabinet style, it's probably from 1934-36.
_________________ Tim KA3JRT
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turf1600
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Tue 27, 2017 4:09 am |
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Joined: Apr Tue 29, 2014 4:48 pm Posts: 37
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The 4 tubes are labeled (in no order):
34 38 46 75
Chassis says 40691
The speaker appears to have been replaced - but it is marked as follows:
LA 349 734013 447 807
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GlensterTX
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Tue 27, 2017 5:12 am |
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Joined: Aug Tue 19, 2014 8:08 pm Posts: 530 Location: Dallas, TX USA
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Edited after posting: in your first post you say there are 5 tubes, in the post above you say there are four - which is correct?With that tube lineup I'm pretty sure it's a battery set. The Mallory-Yaxley database at http://www.grillecloth.com/sylvania/tub ... ubmit&db=5 shows that lineup, with a 1A6 instead of the 46, as a model 40, as found in the Sylvania documentation. Riders and the Gernsback Manual both do not seem to have a schematic for it. According to Wikipedia (hardly a bastion of accuracy!), the company that became Setchell-Carlson started in 1928 manufacturing automobile radios under the name "Karadio". They first used the Setchell-Carlson name in 1934 when they introduced a line of "home" radios. If your set is a battery set, it might well be from SC's first year of manufacture.
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turf1600
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Tue 27, 2017 5:29 am |
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Joined: Apr Tue 29, 2014 4:48 pm Posts: 37
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egg
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Tue 27, 2017 1:30 pm |
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Joined: Jan Tue 31, 2012 1:55 am Posts: 10344 Location: Mountains of Mourne. Ireland.
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turf1600 wrote: I also found this insideWe wait with bated breath ... Can you post a photo of the chassis, and the underneath if you intend to remove it. Greg.
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turf1600
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Tue 27, 2017 6:16 pm |
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Joined: Apr Tue 29, 2014 4:48 pm Posts: 37
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I tried to attach it - I didn't realize until this morning that it exceeded the max file size.
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turf1600
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Tue 27, 2017 6:19 pm |
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Joined: Apr Tue 29, 2014 4:48 pm Posts: 37
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GlensterTX wrote: Edited after posting: in your first post you say there are 5 tubes, in the post above you say there are four - which is correct?With that tube lineup I'm pretty sure it's a battery set. The Mallory-Yaxley database at http://www.grillecloth.com/sylvania/tub ... ubmit&db=5 shows that lineup, with a 1A6 instead of the 46, as a model 40 It is a 4 tube. It very certainly has an AC plug and what appears to be a rectifying tube. Are you suggesting that it could be a conversion?
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egg
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Tue 27, 2017 7:02 pm |
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Joined: Jan Tue 31, 2012 1:55 am Posts: 10344 Location: Mountains of Mourne. Ireland.
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If it is indeed a battery 32Volt ?-farm set do not plug it into 120VAC without first pulling the chassis and looking underneath. Tim KA3JRT or one of the other resident experts will no doubt advise you on how to proceed. You will need to show more photos. tmoen5grj is an ebay seller in Prior Lake, Minn. https://ebay.com/sch/tmoen5grj/m.html?i ... 7675.l2562Looks like he sold it 700-plus sales back in time for $75.00  Greg.
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GlensterTX
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Tue 27, 2017 8:04 pm |
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Joined: Aug Tue 19, 2014 8:08 pm Posts: 530 Location: Dallas, TX USA
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I'm afraid there's no rectifier tube here:
34 Super-Control RF Amplifier Pentode
38 Power Amplifier Pentode
46 Dual-Grid Power Amplifier
75 Duplex-Diode High-Mu Triode
(1A6 Pentagrid Converter)
I believe these tubes were intended to be used in battery sets - perhaps they're not the correct ones for your radio?
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turf1600
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Wed 28, 2017 3:31 am |
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Joined: Apr Tue 29, 2014 4:48 pm Posts: 37
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I feel like this thing has been significantly re-jiggered- and I now agree that it's probably a homemade cabinet - albeit a nice one.
Last edited by turf1600 on Jun Thu 29, 2017 6:04 pm, edited 1 time in total.
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turf1600
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Wed 28, 2017 3:31 am |
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Joined: Apr Tue 29, 2014 4:48 pm Posts: 37
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egg
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Wed 28, 2017 8:37 pm |
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Joined: Jan Tue 31, 2012 1:55 am Posts: 10344 Location: Mountains of Mourne. Ireland.
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Can you edit your last picture post above as the images are displaying at 3024px (pixels) wide which equates to 42" (inches) ... Image file restrictions here are width-800px by height-800px and file size-256kB max Resize image on-line→ http://picresize.com Do not change height when resizing. Greg.
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Tim Tress
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Wed 28, 2017 10:18 pm |
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Joined: Jan Thu 01, 1970 1:00 am Posts: 9315 Location: Beaver Falls, PA. USA
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It's a Frankenradio, for sure. The reason that there is no rectifier tube is because silicon diodes have been added; one is visible in the underchassis view. The speaker and the output and power transformers are not original, obviously post-war production.
My guess is that it started out as a battery or 32 volt farm radio and was modified for AC operation. As for a schematic, you'll have to trace it out yourself, to see just what is in there.
_________________ Tim KA3JRT
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Indiana Radios
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Thu 29, 2017 12:11 am |
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Joined: Sep Thu 14, 2006 3:27 pm Posts: 12441 Location: Carmel, Indiana
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I believe that the cabinet is, in fact, a factory made cabinet, that it retains it's original finish and grill cloth, and it started out as a 6 volt vibrator farm battery radio that was later converted to AC operation. Look at the Setchell Carlson's chassis, note how all of the major components are crowded over to one side. This is to make room for the large vibrator box which included the vibrator, B+ transformer and possibly the rectifier tube. Below is a similar 6 volt farm radio chassis. Note how similar the components are arranged on this chassis in order to accommodate it's vibrator power pack.  Setchell Carlson was kind of like L Tatro in that they made a variety of farm radios which they marketed mostly to the northern great plains states such as Minnesota, Iowa, Wisconsin, the Dakotas, etc. where farmers made up a large customer base. Oh, and please resize those gargantuan photos! PRETTY PLEASE.
_________________ Michael Feldt
www.indianaradios.com
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GlensterTX
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Thu 29, 2017 10:07 am |
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Joined: Aug Tue 19, 2014 8:08 pm Posts: 530 Location: Dallas, TX USA
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Here are your photos resized. Please delete the huge ones above (click on the "edit" button on the lower right for that particular post) - they make it impossible to read the forum posts on computers/tablets with smaller screens. Attachment:
IMG_1133.JPG [ 105.09 KiB | Viewed 2536 times ]
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IMG_1134.JPG [ 112.31 KiB | Viewed 2536 times ]
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egg
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Post subject: Re: ID Help - Early Setchell Carlson Tombstone Posted: Jun Thu 29, 2017 1:44 pm |
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Joined: Jan Tue 31, 2012 1:55 am Posts: 10344 Location: Mountains of Mourne. Ireland.
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I like your radio Michael. Is that the 401A model?
Greg.
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