EH Scott Radio Enthusiasts

The Fine Things are Always Hand Made

John Perry
  • Male
  • Indianapolis, IN
  • United States
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John Perry's Discussions

AW23 Power supply rebuild

Started this discussion. Last reply by John Perry Mar 30. 9 Replies

GreetingsAnyone know if I should replace the 4 .13 @200 paper caps with .047. It was recommended to use .047to replace all paper caps on the AW23 rebuild. Does that include the power supply as…Continue

Scott AW23 tuner rebuild (pots)

Started this discussion. Last reply by John Perry Mar 19. 5 Replies

I am almost done with the tuner. Had a question about the pots Volume etc. These look like they may be sealed. Usually I flush them out with CRC contact cleaner blow it out with can air. Then follow…Continue

Scott Allwave 23 Restoration

Started this discussion. Last reply by John Perry Nov 1, 2019. 7 Replies

GreetingsI am restoring an AW23 tuner, PS and base speaker.I got a few good tips from Kent and Dave a while back.1. Use test lead wire to replace bad rubber wire2 Use .047 for all the wax caps…Continue

 

John Perry's Page

Latest Activity

John Perry commented on John Perry's blog post AW23 Tasman
"Thanks Dave P That is a great photo grill cloth resource. "
Apr 22
David C. Poland commented on John Perry's blog post AW23 Tasman
"John - your Tasman has a replacement cloth (your small star design) from the past. My photo of my Milton Grande is a good representation of the original "M" cloth, in as much as it was protected by doors. Very close to the cloth on my…"
Apr 21
John Perry commented on John Perry's blog post AW23 Tasman
"Ok Thanks Scott I may go with the new Aztec It may not be exact but I like it."
Apr 21
Scott Seickel commented on John Perry's blog post AW23 Tasman
"Original grill cloth in the center, older reproduction on the left, Richmond reproduction on the right.  You can see that the original cloth fades to a golder color from the UV light.  The original was not very gold as witnessed by the…"
Apr 21
Scott Seickel commented on John Perry's blog post AW23 Tasman
"I have never seen that cloth on a Scott.  I might be wrong, but I am thinking it is not original.  David or Kent should be able to confirm if it is original or not. "
Apr 21
John Perry commented on John Perry's blog post AW23 Tasman
"Thanks Dave Maybe mine is not original. Here is photo of front and side, Also not sure how much fabric it would take to do front and both sides.20210421_124755.jpg20210421_124858.jpg"
Apr 21
David C. Poland commented on John Perry's blog post AW23 Tasman
"Richmond Designs now has the only Scott repo cloth pattern (Aztec) available like Scott used from 1935 to 1940. Compared to the original, the Richmond's Aztec pattern is close, but is only about 70% scale of the original. To my eye, the…"
Apr 20
John Perry commented on John Perry's blog post AW23 Tasman
"Thanks I saw that website. I like that design. My looks closer to what they call small star on there site but they are out of stock."
Apr 20
Scott Seickel commented on John Perry's blog post AW23 Tasman
"Richmond Designs.  Aztec cloth.  It is OK, but side by side with original and earlier reproductions, you can see that it is too gold and not the same texture.  I have pictures of all 3 alongside that I might post one day.  It…"
Apr 20
John Perry posted a blog post

AW23 Tasman

GreetingsTrying to find grill cloth not having a lot of luck. I see Radiodaze has a diamond pattern one but doesnt look right.Anyone seen any current source?See More
Apr 20
John Perry replied to John Perry's discussion AW23 Power supply rebuild
"   OK thanks David"
Mar 30
David C. Poland replied to John Perry's discussion AW23 Power supply rebuild
"John, regarding rebuilding the dual .25 mfd unit ahead of the the 10 and 30 Henry chokes in the amp, be sure to use high voltage caps. 630 volts is not NOT high  enough. Scott used 1250 volts caps here in the dual unit. I suggest higher,…"
Mar 28
Kent King replied to John Perry's discussion AW23 Power supply rebuild
"John - Yes, the AW23 sets are all the same, the power supplies are interchangeable. The set pins just need the 250v B+, the 20V bias voltage, ground, 6v filament and the two output Plate returns. That's the 7 pins... Kent"
Mar 27
John Perry replied to John Perry's discussion AW23 Power supply rebuild
"Good info thanks. Are all of the AW23 Power supplies interchangeable? I have a Q458 and an N535 serial no. Im rebuilding the 458 now. Im trying to decide if I should do some re-stuffing or just mount new parts where I can. Curious to see how others…"
Mar 27
Kent King replied to John Perry's discussion AW23 Power supply rebuild
"I'm going to add a VERY unusual problem I encountered today with an AW23. The set was playing well after recapping and alignment, except...every once in awhile, the dial light and all the tuner tube filaments would go dark. Usually after it ran…"
Mar 26
John Perry replied to John Perry's discussion AW23 Power supply rebuild
"Good to know thanks  Norman"
Mar 23

John Perry's Blog

AW23 Tasman

Posted on April 20, 2021 at 3:04pm 9 Comments

Greetings

Trying to find grill cloth not having a lot of luck. I see Radiodaze has a diamond pattern one but doesnt look right.

Anyone seen any current source?

AW23 Tuner rebuild.

Posted on March 14, 2021 at 10:19pm 2 Comments

Greetings Working on the AW23 tuner rebuild.

I replaced the grid cap wire on the ifs. Can I leave it a few inches longer and tuck it back in the can (Im using test probe wire its super flexible) or should they be as short as possible.

Also the condenser trimmers on the ifs have a lot of powdery oxidation.  Any suggestions on cleaning? was thinking of alcohol and a flux brush. Or should I just leave it alone? 

Thanks

John

AW23 Tuner rebuild.

Posted on February 8, 2021 at 6:49pm 9 Comments

Hello all

I am picking back up on on a project from a while back

I have a Tasman fully populated with tweeters S#N535

An extra tuner,PS and speaker S#Q458

I am rebuilding tuner Q458 first.

Pulled the antenna coil to replace the rotor area wiring.

The inner coil with the 2 fine wires fell out of the tube. It tugged on them a bit but they didnt break.

I put a small piece of painters tape on the sides of the wooden plug and shoved in back in the large coil… Continue

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