EH Scott Radio Enthusiasts

The Fine Things are Always Hand Made

Bill Liers
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  • Youngsville, NY
  • United States
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Bill Liers's Discussions

Different models, different tweeters

Started this discussion. Last reply by David C. Poland Nov 16, 2014. 1 Reply

Hi all,I'm aware that Scott used a number of different types of tweeters through the years starting with the field coil type on the Allwave 23. I've seen two types of PM tweeters, some with…Continue

Philharmonic in a Laureate Grande'

Started this discussion. Last reply by David C. Poland Dec 28, 2012. 2 Replies

One of my wishes for the New year is to find a Phil in a Laureate Grande cabinet (possibly just a cabinet). Rare as hen's teeth I know and I've never actually seen one. I have seen a couple of AW23s…Continue

EH Scott Special communications receiver

Started this discussion. Last reply by Scott Seickel Dec 5, 2012. 5 Replies

Guys,Looks like it's time to check the piggy bank, I'd love to have one...…Continue

AW 23 Dynamic expander docs

Started this discussion. Last reply by Kent King Jun 6, 2012. 1 Reply

Hi,Does anyone have a document set or schematic on this? I'm presently working on one and would like to insure that some older rework was done correctly.thanks, BillContinue

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Latest Activity

Bill Liers left a comment for Bill Liers
"David, I have a stock of the Ohmite version of 10k 50 Watt pieces with extra slider clamps. They serve well. Norman, I believe you are correct. The Candohms used in the other chassis' I've seen run fairly cool."
Oct 23
Norman S Braithwaite left a comment for Bill Liers
"The Candohm resistors usually fail due to corrosion between the lug and the resistance wire causing loss of continuity, not due to overheating. Norman"
Oct 23
David C. Poland left a comment for Bill Liers
"I have replaced several of the same canohm units Scott used on the Phantom, Sixteen, Masterpiece - same values. That particular part was not robust enough.  I like to use the big 8000 ohm ceramic resisters with the exposed winding on one side…"
Oct 23
Bill Liers left a comment for Bill Liers
"Thanks David, Robust they are however, I still install my share of replacements ;) My set of Riders is incomplete. The online text was not clear enough and I like my B+ spot on."
Oct 23
David C. Poland left a comment for Bill Liers
"Scott talks about the power supplies being "robust. Bill  - There are 3 Phantom Diagrams in Riders vol 14 and 15. All three show the B divider high  1975 ohms, 780,  980,  3875 to ground  --  located in the…"
Oct 23
Bill Liers posted a status
"Hi guys, Working on a Phantom FM with a bad B divider. The docs available aren't very clear. Does anyone have the overall resistance value?"
Oct 23

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Comment Wall (5 comments)

At 7:32pm on October 23, 2017, David C. Poland said…

Scott talks about the power supplies being "robust.

Bill  - There are 3 Phantom Diagrams in Riders vol 14 and 15.

All three show the B divider high  1975 ohms, 780,  980,  3875 to ground  --  located in the receiver chassis.  

These values are true the redesigned 1940 FM Phantom and  Amp that you have with 6L6 s and 5U4's   ---   Riders 14  page 3,4 which is an double size fold out.

At 7:49pm on October 23, 2017, Bill Liers said…

Thanks David,

Robust they are however, I still install my share of replacements ;) My set of Riders is incomplete. The online text was not clear enough and I like my B+ spot on.

At 8:20pm on October 23, 2017, David C. Poland said…

I have replaced several of the same canohm units Scott used on the Phantom, Sixteen, Masterpiece - same values. That particular part was not robust enough. 

I like to use the big 8000 ohm ceramic resisters with the exposed winding on one side and 4 of the slider clamps  - great if you can find them.  

The redesigned 1940 Phantom 6L6 amp was evidently intended for both the standard and FM version.

I find having an actual Riders Volumes beats any other medium for clarity of print, and glad i picked up Vol 1 to 15 years ago.

At 9:19pm on October 23, 2017, Norman S Braithwaite said…
The Candohm resistors usually fail due to corrosion between the lug and the resistance wire causing loss of continuity, not due to overheating.

Norman
At 9:39pm on October 23, 2017, Bill Liers said…

David,

I have a stock of the Ohmite version of 10k 50 Watt pieces with extra slider clamps. They serve well.

Norman,

I believe you are correct. The Candohms used in the other chassis' I've seen run fairly cool.

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