EH Scott Radio Enthusiasts

The Fine Things are Always Hand Made

Thomas Day
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  • Chicago, IL
  • United States
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Thomas Day's Discussions

Allwave 23 RF alignment

Started this discussion. Last reply by Thomas Day Jan 24, 2017. 5 Replies

The directions for the RF alignment of the Allwave 23 say that you connect the generator to the antenna terminals thru the "proper dummy". Capacitor? value? For all of the alignments I have done over…Continue

Allwave 23 Chrome covers

Started this discussion. Last reply by David C. Poland Apr 15, 2016. 1 Reply

I have a set of chrome covers in good condition for the power transformer for the Allwave 23.I also have the transformer, but it has a shorted primary winding. If anyone is interested let me…Continue

second allwave 23 added to collection

Started this discussion. Last reply by Thomas Day Feb 13, 2015. 3 Replies

I have just added J497 to my Allwave 23 collection. This is just the receiver chassis. It is in rough shape and has been 'modified' with extra controls. It looks to have been a 7 knob chassis and has…Continue

Silver Ghosts by JWF Puett

Started this discussion. Last reply by Thomas Day Jun 22. 19 Replies

I have a copy of this that I have had since the 1970's. It is the publication that got me hooked on Scott radios and finally led me to buy my Allwave 23. It was mentioned in a copy of Audio Magazine,…Continue

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Latest Activity

Thomas Day left a comment for Chuck Wolf
"Welcome Chuck."
Thursday
Thomas Day replied to John Chidgey's discussion Current progress
"Beutful finish.   Thom"
Aug 29
Thomas Day liked John Chidgey's discussion Current progress
Aug 29
Thomas Day replied to John Chidgey's discussion Antenna suggestions
"Mike: What type of wire did you use to make this? Looks like a very professional build.  "
Aug 28
Thomas Day replied to John Chidgey's discussion Antenna suggestions
"John: I have a 50 foot long wire on the roof of the house.  It is laid out in a V pattern with the point of the V facing East.  The Ends are on corners of the roof dormer with a coax dropped into the house.  Coax connects to the…"
Aug 27
Thomas Day replied to Lance Hughes's discussion SCOTT NAPIER ALLWAVE 12
"When I had the A12s rebuilt, I built a wood box and bolted  both speakers to a piece of 3/4 plywood locked into the box.  The speakers were out of a Hammond tone cabinet. The woman I got the Hammond organ from had been a secretary in my…"
Aug 22
Thomas Day replied to Lance Hughes's discussion SCOTT NAPIER ALLWAVE 12
"Maybe not much help, but over 20 years ago, I found a person in either Tennessee, or Kentucky who rewound and re-coned a pair of Jensen A12s for me.  The field coil for one A12 had shorted and burned the cones out of both speakers. I think a…"
Aug 21
Thomas Day replied to Lance Hughes's discussion SCOTT NAPIER ALLWAVE 12
"Scott listed the ohms values of the primary and secondary sides of the transformer. This will probably work, so I would give it a try. Very unusual for both sides to be open, but I had to have a new power transformer built for my allwave 23 due to a…"
Aug 16
Thomas Day replied to Kent King's discussion Revise Web Site - Member Input WANTED
"My only thing would be the Scott info pages. It takes several 'jumps' to find the pages you want, and it isn't really all that intuitive to search.  Every thing else you propose sounds good. We appreciate the work and time it…"
Jul 2
Kirk Spalinger and Thomas Day are now friends
Jun 26
Thomas Day replied to Kirk Spalinger's discussion New Member AM Phantom Deluxe second issue
"Kirk; Until you can find the correct speaker, check out Antique electronic Supply as mentioned for the capacitors. They also carry a line of Hammond (not the organ co.) transformers and have one that will match 6L6 tubes to any speaker.  The…"
Jun 25
Thomas Day replied to Thomas Day's discussion Silver Ghosts by JWF Puett
"More on Puett electronics. In one post I mentioned that I had some other items. One of them is his radio booklet on the restoration of AC powered radios.  2nd edition, 1978. Orange cover with radio images printed on it.  8 pages and…"
Jun 22
Thomas Day replied to Kent King's discussion FM Tuner problem
Jun 16
Kent King replied to Thomas Day's discussion Silver Ghosts by JWF Puett
"For all who have been following this thread - I have scanned a copy of Silver Ghosts and placed it in the Miscellaneous folder in the Archive. Since I had my entire JWF Puett folder out, I was skimming through the old issues of Classic Radio…"
Jun 7
Thomas Day replied to Thomas Day's discussion Silver Ghosts by JWF Puett
"Hi All: Quite a discussion going on.  Thanks for all the replies and information. My copy of Silver Ghosts has the green cover and is from the 3rd printing 1978. It occupies a stack next to my bed along with other Scott related items.   I…"
Jun 4
Kent King replied to Thomas Day's discussion Silver Ghosts by JWF Puett
"This thread has diverged into 3 discussions - I'll answer a few items in this post: 1. Audio Magazine - look for this:  "Nothing New Under the AM Sun”  by Michael N. Stosich Originally published in the January, 1977, issue…"
Jun 4

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Comment Wall (6 comments)

At 5:28pm on April 28, 2011, David C. Poland said…

Look for a current drain.

 

My first AW-23 had a shorted primary when I acquired it 15 years ago. (I should have been suspicious of the 10 amp primary fuse  ...  like maybe a proper 3 amp fuse would blow.). Anyway, I recapped it before powering up the first time on my variac. The proper size fuse  would blow when my variac reached about 40 volts. I eventually obtained another power transformer from a rough amp, and the radio ran great. Then a year or so later the fuse blew Christmas day, after it had been playing 3-4 hours ..... same problem as before, blowing the fuse at moderate variac voltage.

 

The ultimate problem turned out to be in the speaker. The red B+ wire inside the pedestal from the speaker terminal strip to the field coil was laying across the point of a screw and made a partial connection at high voltage through the worn insulation. Excessive current was not quite enough to blow the fuse but enough to overheat the transformer,  progressively cooking  the transformer until the primary failed blowing the fuse the day I ran it several hours. I found the problem by close visual inspection of the routing of the wires in the speaker. Corrected the wire location, and the power transformer #3 has worked out fine for many years.

At 8:04pm on May 23, 2011, Kent King said…

Thom - Actually, it was Norman Braithwaite that put the checklist on here. I don't have a link handy right now, but I'll try to find it and post a link here...

Kent

At 8:05pm on May 23, 2011, Kent King said…
At 9:31pm on October 31, 2013, Dan Fox said…

Thanks, Thom, you were right-I am looking for a .25mfd @1250v, not 25mfd (wouldn't be the first time I've missed the point!).  Which leaves me with the same problem-where can I find one?

At 7:47pm on November 1, 2013, Dan Fox said…

Thanks again-I will give this information to my friend who has the chassis on his bench right now (waiting for condensers).  I have lived in Muskegon 25 years, and while I have been to the Frauenthal many times, I have never had a chance to go when the Damfinos get together.  That Barton pipe organ looks like a bear to operate!  An old aquaintance of mine, Cliff Martin, played it for many years.

At 10:07pm on September 9, 2018, Brian Sherrod said…

Hi Thomas, right after I posted my thread I discovered my model is a 310, not a 510.  I was relieved since the 310 did not have the power amp to begin with, and I thought mine was missing.  I removed my thread due to that since it was wasted space...  

Thanks for the comment and tip.

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