Re: Hallicrafters S20
Jim I did change the capacitors, and I did replace all the valves/tubes taken from my second radio which were in a working condition ( I don¡¯t have access to a valve/tube tester).To be honest I
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Lynton
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#30889
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HT-44 6DQ5 Screen Resistor
After testing every tube but the finals on a non-working HT-44 (everything lights, no bias current pulled), I found both 6DQ5's tested bad.? One had an HK short and the other a short elsewhere if I
By
jeffbauman
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#30888
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Re: For Sale: Electric Radio Magazine Collection
Hi John and gang, True, it is a bargain and the best resource of old tube radio reviews and articles out there! I started my subscription around 1996, and was able to purchase the earlier issues
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Scott WA9WFA
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#30887
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Re: For Sale: Electric Radio Magazine Collection
Hi Don and gang, Yes , ER is the finest tube radio magazine in existence! If anyone here is not familiar with Electric Radio Magazine, I suggest you check out their website and subscribe! Since 1989
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Scott WA9WFA
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#30886
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Re: Hallicrafters S20
LyntonBy "original unmolested condition", do you mean to say that all of the original capacitors are still in place?? A leaky coupling capacitor is capable of changing the grid bias on the output
By
Jim Whartenby
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#30885
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Edited
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Re: Hallicrafters S20
In the S-40 which has a similar audio output but a permanentf6 magnet speaker, the field coil is replaced with a 1500 ohm resistor. There is no spec given for the S-20 transformer in the handbook I
By
Richard Knoppow
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#30884
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Hallicrafters S20
Hello everyone. I have two Hallicrafters S20¡¯s. One has had the audio modified with a large choke (value??) and an output transformer. It produces audio but not very well! The second has the
By
Lynton
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#30883
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Edited
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Re: WTB: Pair of 6DQ5's for an HT-44
Thanks for the tips, Rick! 73, Jeff
By
jeffbauman
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#30882
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Re: WTB: Pair of 6DQ5's for an HT-44
Thanks, Ken. I'll take 'em. email sent. Jeff
By
jeffbauman
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#30881
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Re: WTB: Pair of 6DQ5's for an HT-44
Hi Jeff, $8 each is a pretty good price! I have also bought several 6DQ5's on eBay and the prices are usually no more than $8-10 each some with shipping included.? So far, I've never gotten a bad
By
Rick W7IMM
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#30880
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Re: WTB: Pair of 6DQ5's for an HT-44
Hi Jeff, I have a pair of RCA 6DQ5's available. $16 (plus shipping) for the pair. Would you like them? If you send your zip code, I can figure exact shipping. Thanks. 73, Ken, W8EK Ken Simpson E-mail
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Ken, W8EK
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#30879
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WTB: Pair of 6DQ5's for an HT-44
Subject line says it all. Thanks & 73, Jeff W8KZW
By
jeffbauman
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#30878
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Re: For Sale: Electric Radio Magazine Collection
I have a complete set too (I subscribed at about issue 7 and have been a subscriber ever since) and I refer to them often. This is quite a bargain, even with the cost of shipping these days. John K5MO
By
John K5MO
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#30877
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Re: For Sale: Electric Radio Magazine Collection
Those would be nice! I am mentioning this as an owner of many from the 1990's. For those that don't know: The title "Electric Radio" is not revealing as they all about good communications receivers ,
By
don Root
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#30876
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For Sale: Electric Radio Magazine Collection
I'm selling a near complete collection of Electric Radio Magazine from issue #1 to #404 in very good clean condition. It is missing three issues, #301 June 2014, #354 August 2018, and #399
By
Scott WA9WFA
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#30875
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Re: Resistor Color Code - RMA Old Arrangement
That¡¯s cool¡¡¡ I want one¡¡¡.. Tom W3TA Sent: Monday, August 19, 2024 1:41 AM To: [email protected] Subject: Re: [HallicraftersRadios] Resistor Color Code - RMA Old
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thoyer
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#30874
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Edited
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Locked
Re: HT-37 transformer failure due to rapid STBY-->OFF-->STBY
Yeah, the furnace in the summer thing does seem like a tangent to be sure. But the point was of course illustrating that the same will happen to a switch, relay contacts and/or even two wires twisted
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Rick W7IMM
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#30873
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Re: SX-23 Restoration - Information Requested
Hello Bob Unfortunately I have the same problem!! Here are some pictures of what this should look like. Best 73 (HB9HPZ) Franz Von: [email protected] <[email protected]> Im
By
F. Hottinger
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#30872
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Edited
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Re: Resistor Color Code - RMA Old Arrangement
Bob, get one of these: https://www.worldradiohistory.com/ARCHIVE-RCA/RCA-Service/Service-News/RCA-Radio-Service-News-1935-09.pdf pdf 2 ----- color code ^^ Sent: Monday, August 19, 2024 12:39 AM To:
By
don Root
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#30871
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Edited
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Re: Resistor Color Code - RMA Old Arrangement
My dad explained it to me, a good 60 years ago, as the 'body-end-dot' system.? Only once have I found a band instead of a dot as the 'decimal multiplier'.? The thing that took me the longest to
By
haywireman
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#30870
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