"My guess is that it was a chassis designed to support record cutter operation on a Phantom receiver and employing resistance coupling rather than transformer coupling.
Norman"
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Kent King
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Unusual amp chassis
Started this discussion. Last reply by Norman S Braithwaite 4 hours ago. 6 Replies 0 Likes
Folks - I have had this for years. I've asked before. We have a new, pretty active group here. What do you all think this might be. Speculate: what would the tube lineup be and why? I've long…Continue
Ravinia Grande cabinet
Started this discussion. Last reply by Bill Liers Dec 23, 2020. 4 Replies 0 Likes
Another collector on the forum asked if I had records on Ravinia Grande cabinets, how many and what sets...I haven't done that for any cabinet, but might be interesting to try with some of the…Continue
Allwave 15 variations
Started this discussion. Last reply by mike hadley Nov 26, 2020. 2 Replies 0 Likes
Even Scott acknowledged different versions of the Allwave 15. In the 1936 Accessories brochure, they list spare tubes for the Type I, 2 and 3 AW15. The major differences are in the mixer tube (could…Continue
Revise Web Site - Member Input WANTED
Started this discussion. Last reply by Kent King Aug 21, 2020. 10 Replies 0 Likes
I'd like some member input here!Our current provider doesn't have an ideal format for what we need/use for our web site. Some folks post to blogs, some to forums. Forum messages are all lumped…Continue
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"I don't believe the chassis was ever assembled, there are no marks on it to appear as if it was used."
"Well, my 2 cents: It is set up for FP style capacitors which came into use in the late 30's, about '39 or so to the best of my knowledge. It was Mershon wet type before that and stud mount. It looks like an extended…"
"On the amp chassis, looks like the round side apron is large, as if designed for a Jones plug (like on the 1941 Laureate).
The shape of the two transformer punch outs suggests to me a later Philharmonic or Phantom power transformer.
So I am thinking…"
"Could be 2A3s too. Now let me throw in something else many folks may not have seen. This is probably not related to the amp chassis, but - it does show Scott sometimes put odd things under tube shields.
This is a device found with a Phantom - the…"
"Maybe the line up could be from right to left, power transformer, a pair of 5z3's, then a couple of chokes followed by three smoothing caps, then 6 x 6l6 tubes in push pull, finally a 6sn7 phase splitter, that would be good for a 100watts…"
Unusual amp chassis
Folks - I have had this for years. I've asked before. We have a new, pretty active group here. What do you all think this might be. Speculate: what would the tube lineup be and why? I've long suspected it might be a chassis for some variation of Quaranta, especially with the connector holes on the side. Would love to get your thoughts!KentSee More
"I have received the choke from AES, but have not had a chance to test it. I've got an AW23 on the bench right now, will be there for a couple more weeks I expect...I'll let you all know.
Kent"
"There is one on ebay right now, price is still reasonable: item #124496655367"
"Thom - There are only a couple known schematics for the AW23, I'm sure neither of them will cover this set precisely. I would suggest that if you go through it, follow the AW23 restoration guide that Norman wrote some years ago. If you spot…"
"Quote possibly...Phantom or one of the smaller sets, depends on the cabinet. "
"Lars - The differences in Scott sets is pretty wide, especially in the earlier sets. I have always considered the AW15 a transitional set, even Scott referred to 3 versions. Recently, I've become aware of a number of variations of the AW12 as…"
"This is why I would only consider rechroming for historically significant sets - a Special, a Quaranta, etc. Anything more common is simply not worth it - if you are patient, there are some very nice examples of the regular production chassis out…"
"Very nice - where is advanced plating? The one chassis I worked on after replating did require me to drill out and/or tap the holes, the chrome filled them in. How much were the coil covers? I didn't think most places could do those."
29FA551D-1EFC-49F7-8B91-C725151463FF
"Oh, you're not too far away, Dave and I are both near Columbus, OH. Depending on the skill of the person that did the work, it could be most anything. I'll try to give you a call this evening (still working, sort of) this afternoon. We can…"
29FA551D-1EFC-49F7-8B91-C725151463FF
"People available to work on them are rather few and far between. Dave Poland lives near me and usually doesn't do outside work. I don't much either, I have enough of my own sets. Where are you located? That might help determine if we can…"
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AW23 Alignment issue
Posted on October 6, 2020 at 5:06pm 8 Comments 0 Likes
Looking for ideas - I haven't dug into this too far yet.
I recapped an AW23 (late) and I'm now working on the alignment. Voltage checks were in spec. IF alignment went right by the service data and trimmed out nicely. By the time I got back to the 1st IF, I had significantly reduced the generator output to keep the meter from going over - gain was excellent. On to AM band - 1400 trimmer is super close, slight tweak and then dial down to 600. At about 750, the two neon VR tubes…
ContinueAuction find
Posted on July 26, 2020 at 2:18pm 3 Comments 2 Likes
Picked up this one at an auction in Indiana. Disgustingly dirty, but salvageable. Had the 15 in speaker, tweeters, and a Tauscher sound board! Cabinet is good to start...the whole set will require a lot of work but will be saved.
Phish Tales
Posted on July 3, 2018 at 10:33am 0 Comments 2 Likes
All - The moderators removed an account that was a bit "phishy" today. We try hard to keep these folks off the forum, but every once in awhile, one gets in. Please ignore/delete any questionable messages and let's keep on talking Scotts!
Kent
Super XII Troubleshooting & Alignment
Posted on July 10, 2017 at 8:04am 1 Comment 0 Likes
I've spent several days working on a particularly difficult chassis and learned something I thought I'd share. First, here is what I had to start with: A nice single chassis Super XII. The IF aligned beautifully, and the 3 SW bands also aligned "by the book". The set sounded great on any SW band, AM was basically dead. There are only 3 things that are AM only, so I verified each coil. While checking continuity on the oscillator coil, I happened to notice that the 1K resistor seemed to move a…
ContinueComment Wall (18 comments)
- At 12:52am on July 29, 2018,
Ralph Kearton said…
Hi Kent
I'm Keen to get a copy or the collectors guide
However I would need it shipped to NZ
The eBay listing doesn't ship herec
Got any ideas as to. How I can get one
I've just signed up to pay pal if that helps
Cheers Ralph kearton
- At 5:57pm on January 28, 2017,
Kent King said…
that image is great! I will add it to the archive. Thank you!
- At 2:50pm on January 28, 2017,
Joseph W Strickland said…
Kent;
I hope this attachment works. I finished the composite figures 26 and 30 for the Late version 800B. I found this helpful in tracing out the electric tuning arrangement of the 800B receivers.
Joe
If this turns out to not be satisfactory resolution and detail, let me know and I will try sending the *.pdf file which is 5.3MB.
Joe
- At 1:58pm on January 14, 2017,
Kent;
I took a closer look at the Late 800B parts radio tuner chassis that I have. It is SN 6182 and I found its final test stamp inside the preset tuning assembly backplate and the date is Jan 15, 1947. So that one can be added to your database.
I took the time to take a good photo of the Late version 800B AM SW RF compartment underneath. This unit has never had any parts replaced in that area, so this part of it is unmolested. I had just noticed that the Early version SN 1035 that I have had already been worked on and there were some changes to bypass capacitor placement that I do not agree with. My intent is to put it back as close to original lead dress and parts placement as possible. Sometimes changes in part placement and lead dress can cause significant problems to develop and result in inability to properly align RF circuits.
Joe
- At 7:34am on November 23, 2016,
Thanks you! I have added your cleaned up diagrams to the Scott Info Archive 800B folder. Your work is greatly appreciated!
Kent
- At 4:50pm on November 21, 2016,
Kent;
Yes I am willing to contribute these for fellow members and others use. I enjoy doing this type of work. I was originally in product documentation at Collins Radio which included doing schematics.
Joe
- At 8:00am on November 21, 2016,
Joe -
That's great...when you get them done, I will post them in the archive if you are willing. All such work helps everyone here. That is what this forum is all about!
Kent
- At 1:04pm on November 20, 2016,
I will be working on the late 800B schematics as time permits.
Joe
- At 6:33pm on November 19, 2016,
Kent;
I have been cleaning up the schematic for the early (Feb. 1946) schematics for the 800B. Here are those two pages. I am working on another page that combines the radio tuner circuit and the electric tuning circuit on one page. The paper size is printable on 11 X 17 inch paper for the two files included here.
Joe
- At 8:38am on December 28, 2013,
Darrell Schneider said…
Hi Kent,
Working on pics and serial #'s, but what is meant by the term "Serbs"?
Thanks, Darrell
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