EH Scott Radio Enthusiasts

The Fine Things are Always Hand Made

Bill Bryant
  • Male
  • Nelson
  • New Zealand
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Bill Bryant's Discussions

AW 13 ?

Started this discussion. Last reply by Bill Bryant Mar 20. 12 Replies

Can anyone help me with info on what is a single dial spider coils 10 tube version if the more common 9 tube AW 12 deluxe. It has no tuning meter and 5 pin sockets in tree RF/IF stages and came with…Continue

 

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Bill Bryant replied to Bill Bryant's discussion AW 13 ?
"Yes, I see 45’s in AB have zero signal In of about 30MA  which is quite low. i don’t have figures for 2A5/42/6f6 so would have to get technical after 55 years!  B"
Mar 20
Michael Lawton replied to Bill Bryant's discussion AW 13 ?
"They may have run the finals in class A-B, which provides better sound and less distortion than straight B. I haven't looked at the schematic or studied the spec sheets of the original tubes, but I suspect that is how they would have run the…"
Mar 20
Bill Bryant replied to Bill Bryant's discussion AW 13 ?
"Thanks for that breakthrough Kent. I have to say thatI have become hooked on Scott’s AW’s! (Did I say that on old colleague in Wellington has given me a complete AW15 with a burned-out power transformer. I go to Wgtn on Thurs to see…"
Mar 20
Kent King replied to Bill Bryant's discussion AW 13 ?
"Great! I will take some time to really study the bottom view, but I can say for certain this set began life as a battery set. The lack of a divider resistor is one indicator, but also, as you face the set there are no capacitors mounted on the…"
Mar 20
Bill Bryant replied to Bill Bryant's discussion AW 13 ?
"OK, looks like only two got thru.  Two more photos then: Is it now more identifiable?"
Mar 19
Bill Bryant replied to Bill Bryant's discussion AW 13 ?
"I don't know that my photos got through so I'll try again. There was another one showing the coil spider which has no web like later ones I have seen photos of."
Mar 19
Kent King replied to Bill Bryant's discussion AW 13 ?
"Bill - I'm inclined to agree, this probably started life as a battery set, circa 1932, maybe 1933. Once electricity arrived, someone probably rebuilt the set as a powered set. It would have been possible for them to change sockets, so I doubt…"
Mar 18
Bill Bryant replied to Bill Bryant's discussion AW 13 ?
"Thanks for your messages Kent and David. I am now rather inclined to it having been a battery set especially as there was only limited AC power available in Motueka (main Tasman town) in 1923 and the owner, Mr McNabb was a garage owner so charging…"
Mar 18
Kent King replied to Bill Bryant's discussion AW 13 ?
"Bill - I very much doubt the 2A5 output tubes were used by Scott. I would expect your guess of the 27 or 56 to be closer, and the "final" amp would still be on the P/S chassis, probably a pair of 45s for that era. As Dave noted, I have an…"
Mar 17
David C. Poland replied to Bill Bryant's discussion AW 13 ?
"Bill - FYI -Scott sets evolved during a model run - including the single dial 12 tube Scott Deluxe (Deluxe refers to single dial tuning) from Spring 1932 to mid 1934. For awhile, I had a really early single dial Scott (spring 1932?) and it was very…"
Mar 17
Bill Bryant replied to Bill Bryant's discussion AW 13 ?
"Thanks Kent. I will organise some photos as soon as I can get hold  my wife’s camera - she’s away at present visiting grandchildren. I think, too, that once I know the tube lineup I can cobble to greet her something in the way…"
Mar 17
Kent King replied to Bill Bryant's discussion AW 13 ?
"Bill - I have two examples of different chassis with the 10 tube lineup - but these are all pretty custom sets. Can you attach some images of your chassis, and I need to know which tubes are in which sockets. I've made a study of these chassis.…"
Mar 17
Bill Bryant posted a discussion

AW 13 ?

Can anyone help me with info on what is a single dial spider coils 10 tube version if the more common 9 tube AW 12 deluxe. It has no tuning meter and 5 pin sockets in tree RF/IF stages and came with  24A’s and one 35 which I assume are the original fit out, but the detector and AF driver stages have been modified with later tubes eg p/p 2A5’s where I believe there should have been p/p 27’s or 56’s, Early 1932 would be my guess. I have no power unit, but assume it is the 80 + p/p 45’s one if two…See More
Mar 17
Michael Lawton left a comment for Bill Bryant
"Welcome to the Scott Radio Enthusiasts, Bill."
Mar 5
Bill Bryant is now a member of EH Scott Radio Enthusiasts
Mar 5

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At 11:46am on March 5, 2021, Michael Lawton said…

Welcome to the Scott Radio Enthusiasts, Bill.

 
 
 

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