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Norman S Braithwaite's Discussions

Toggle switches for Scott consoles

Started this discussion. Last reply by Brad Winder Jan 8, 2021. 9 Replies

Deep throat toggle switches for Scott and McMurdo Silver consoles available here...…Continue

Scott 800B for sale

Started this discussion. Last reply by john stafford Jun 19, 2015. 1 Reply

I have been contacted by Marcus  McCoshum of Santa Rosa and he wants to sell a much better than average condition Scott 800B receiver in the Chippendale console and with the original Thorens CD-40…Continue

Philharmonic Record Scratch Suppressor Circuit

Started this discussion. Last reply by Scott Seickel Mar 29, 2015. 2 Replies

In the process of restoring the Warsaw custom Philharmonic I learned that the record scratch suppressor circuit was not working.  With the help of Bill Liers I was able to fix the circuit but the…Continue

Philharmonic UHF band circuit variations

Started this discussion. Last reply by David C. Poland Jan 12, 2015. 12 Replies

While in the process of restoring a remote Philharmonic tuner chassis and comparing to a parts remote tuner chassis, I have discovered a major circuit change in the UHF RF circuits.  Unlike as shown…Continue

 

Norman S Braithwaite's Page

Latest Activity

Norman S Braithwaite replied to Joe Miller's discussion New Owner of AW27 Custom
"Ok, I confused the RF tube with the RF AVC tube which I see is included and correctly labeled.  The schematic shows 18 tubes whereas the original AW-27 sets had 19 tubes on the tuner (neon bulbs included in the count).  The 6B7 second…"
Tuesday
Norman S Braithwaite replied to Joe Miller's discussion New Owner of AW27 Custom
"Looks like the labels for the RF amplifier and the second detector were swapped.  The AW-27 had a single power amplifier.  Is the one you have biamplified and equipped with a separate woofer and mid-range+tweeter? Norman"
Monday
Norman S Braithwaite replied to John Chidgey's discussion Philharmonic pedestal output transformer
"So long as you have balanced DC current, there is no problem using a toroid output transformer.  Unbalanced  DC current will quickly saturate the core so you will want to avoid use of tubes in a manner producing unbalanced DC…"
Nov 15
Norman S Braithwaite commented on Kent King's blog post Philharmonic BOL Deluxe Selectivity Control
"Interesting.  When you remove the 2nd IF, you might find a serial number scratched under the bottom plate.  If so and if not matching the receiver chassis, it was replaced.  The only IF transformer that is electrically different is…"
Nov 12
Norman S Braithwaite commented on Kent King's blog post Philharmonic BOL Deluxe Selectivity Control
"A ground problem is a good possibility.  The IF is going into oscillation which may be caused by ineffective shielding or a bad or missing ground connection.  Loosen and tighten all screws holding the IF can and the nuts holding the tube…"
Nov 12
Norman S Braithwaite commented on Kent King's blog post Philharmonic BOL Deluxe Selectivity Control
"Inspect the 3rd IF for shorts or a miswire.  Norman "
Nov 6
Norman S Braithwaite commented on Kent King's blog post Philharmonic BOL Deluxe Selectivity Control
"A 100uA meter should be sufficient.  If you are only getting a uA or two, the IF is out of alignment.  I use a 50uA meter and have to turn down the signal generator to keep the current below 30uA while aligning.  You may have to…"
Nov 5
Norman S Braithwaite commented on Kent King's blog post Philharmonic BOL Deluxe Selectivity Control
"The alignment guide I prepared follows the Scott instructions but presents the procedure much more clearly.  The guide was prepared for the pointer dial set but is applicable for the later models with minor changes such as placing the output…"
Nov 5
Norman S Braithwaite commented on Kent King's blog post Philharmonic BOL Deluxe Selectivity Control
"Unfortunately my parts chassis only had one wafer switch.  Had!  Someone removed the wafer hence it now has none.  Remove the set screws and inspect the shaft for set screw marks identifying the position. Norman"
Nov 4
Norman S Braithwaite commented on Kent King's blog post Philharmonic BOL Deluxe Selectivity Control
"Okay, I checked my red band beam-of-light logging scale Philharmonic parts chassis.  The arrangement described above is from the front of the chassis to the back with the selectivity control in the full CCW (selective) position. Norman"
Nov 4
Norman S Braithwaite commented on Kent King's blog post Philharmonic BOL Deluxe Selectivity Control
"It is not uncommon for the selectivity trimmers in the Philharmonic to come loose due to expansion of the pot-metal collars.  I have encountered Philharmonics with most of the selectivity trimmers loose enough to hang by gravity regardless of…"
Nov 4
Norman S Braithwaite replied to David Zrout's discussion Capacitor replacement
"That is a paper in oil capacitor with higher leakage current than wax-paper capacitors being normal.  This will cause some capacitance meters to read high.  It is most likely good.  If voltages are as expected and the capacitor does…"
Sep 26
Norman S Braithwaite replied to jonathan dollimore's discussion Caps under Coil shields on Philharmonic?
"The higher value domino type capacitors in the Metropolitan 16A expander circuit are really wax paper capacitors, at least in the Metropolitan 16A set that I restored. Norman"
Sep 25
Norman S Braithwaite replied to David Zrout's discussion Remove “Death capacitor”
"Use 0.015 mfd or less.  Otherwise the caps will trip GFIs. Norman"
Sep 25
Norman S Braithwaite replied to RR-303's discussion what base is this?
"The AW-23 tweeters will not work with the Philharmonic and the Philharmonic tuner chassis will stick out the back of the Laureate Grande cabinet made for the AW-23 by 3- to 4-inches if it fits at all.  The width of the tuner compartment may be…"
Sep 5
Norman S Braithwaite replied to Joe Miller's discussion Which Scott do these Speakers go to?
"That is a very good question.  I seriously doubt that Magnavox labels were used on any pre-war Magnavox speakers that Scott used.  After the war Scott used a Magnavox labelled speaker with the Export Receiver.  It is also possible…"
Sep 3

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Norman S Braithwaite's Blog

Carr Fire

Posted on August 1, 2018 at 11:41am 3 Comments

As some of you know, the Carr Fire has exacted a great toll in the City of Redding and surrounding area.  My house and half of my collection was the first visited by the fire in the devastated Lake Redding Estates neighborhood with no advance notice to evacuate and no fire trucks around.  Fortunately the house and collection were spared.  Unfortunately, however, I have learned that the house and collection of an acquaintance including several pre-war Scott receivers was lost and that another…

Continue

Remote keyboard kits available

Posted on January 16, 2016 at 12:18pm 0 Comments

I am offering the remaining stock of incomplete Scott remote control keyboards being reproduced by the late Jim Schwalbe through the site accessible from the link below.

http://www.antiqueradios.com/forums/viewtopic.php?f=15&t=292211

If you are interested, I recommend that you place your order through that listing according to the rules of that site. If you try to order directly from me…

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Shielded Grid Wire

Posted on May 20, 2015 at 2:48pm 1 Comment

Shielded grid wire with cloth insulation is not easy to find but is an appropriate replacement for the shielded wire with rubber insulation (now failing) employed in many Scott models.  A roll of shielded grid wire with cloth insulation is currently being offered at the link below.…

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Comment Wall (10 comments)

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At 9:48pm on January 14, 2022, john a kim said…

HI !  Norman :   I  want  to  know  updated   David   Wolze   ph #

 to  fix   radio  ,   audio.    He  is  writer  of  VTV.

  Ph#  is not  working   in  repair man   directory   of   California  Historical

   radio  society.      john  kim   jong9988234@yahoo.com

At 10:20am on January 3, 2020, Maggie Yates said…

I posted pictures

At 2:56pm on August 28, 2019, Maggie Yates said…

I posted half dozen pictures of it

At 12:21pm on August 1, 2018, David C. Poland said…

Norman, glad you personally are OK. Threats from fire are unnerving.

At 9:39am on October 6, 2016, Bill De Rycke said…

Mighty glad to become a member of this organization.  I look forward to many conversations in the near future.  Currently I'm working with Bill Bryan to find an A.W. 15 to add to my collection.  Incidentally, Norm you have been invaluable at helping me with my A.W. 23 and A.W. 12, dual dial and thank you for the invite.

At 2:10pm on February 24, 2011, Michael Francis Miller said…
Thank you so much Norman.  That's a big help.
At 10:20pm on November 14, 2010, John Millner said…
Thanks Norman. I am pleased to know that the cabinet is original to the radio. John
At 9:53pm on November 14, 2010, John Millner said…
Norman, I also meant to include a closeup of the controls area. John


At 9:51pm on November 14, 2010, John Millner said…
Thank you for the welcome Norman. Attached (hopefully) is a picture of the cabinet & speaker.

John


At 4:37pm on August 31, 2009, Paul Squires said…
That's how sad that screwup made me feel.

Better than some of the celebrity mugshots I have seen. Kinda rivals Gary Busey's mugshot.
 
 
 

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