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Valve Art 274B (Read 749 times)
qaztar
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Valve Art 274B
02/24/21 at 16:01:55
 
Anybody know why the supply has dried up?
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Crazy Bill the Eel Killer
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Tubes Rule !!

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Re: Valve Art 274B
Reply #1 - 03/01/21 at 01:39:14
 
Would hazard a guess due to supply chain issues because of Covid. Only a guess though.

I've got three if anyone is interested. Two new and one less than 10 hours.

Hope everyone is well.

Cheers,           Crazy Bill
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qaztar
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Re: Valve Art 274B
Reply #2 - 03/04/21 at 14:18:01
 
Hey Crazy Bill, I broke down and picked up a couple Sofia Aqua 274B's instead but thanks for the offer to all. The sonics between the two seem very similar, but I do like the general price of the Valve Arts a lot better.
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Steve Deckert
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If the 1st watt
sucks why continue?

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Re: Valve Art 274B
Reply #3 - 03/13/21 at 01:50:26
 



We have replaced the Valve Art 274B with the Russian 5U3C while supplies last. They are a better built, longer lasting tube.

Steve

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Rivieraranch
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Re: Valve Art 274B
Reply #4 - 03/13/21 at 13:29:59
 
A very wise choice.
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Geno
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Re: Valve Art 274B
Reply #5 - 03/13/21 at 15:34:08
 
I discovered this tube several years ago. For the money, I have not used anything better. A very well rounded sound. And on EBay, you can get two for $30 all day long.
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canonken
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Re: Valve Art 274B
Reply #6 - 04/24/21 at 04:29:54
 
Thanks!  I just ordered a pair (best 'quality' seller I could find) for $40 shipped from Ukraine.

If anyone else has some cheapish and good (or just fun) rectifier options, please let me know.  Trying to build up an assortment.  Don't worry, I won't hoard them, just grabbing a few here and there that look interesting.
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Crazy Bill the Eel Killer
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Tubes Rule !!

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Re: Valve Art 274B
Reply #7 - 04/25/21 at 03:08:21
 
I've got a bunch of the Rusky tubes. Black plate. 60's vintage. Outstanding tubes.
Obviously mine are much older than what is presently available on Ebay.
I would expect the ones now available to be very good and worth a shot if you can procure them.

Cheers,       Crazy Bill
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CAJames
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Re: Valve Art 274B
Reply #8 - 04/25/21 at 05:04:15
 
Quote:
osted by: canonken      Posted on: Yesterday at 04:29:54

...If anyone else has some cheapish and good (or just fun) rectifier options, please let me know.  Trying to build up an assortment.  Don't worry, I won't hoard them, just grabbing a few here and there that look interesting.


I like the 5Z3, the 4 pin version of the 5U4. Just get a 4 to 8 pin adapter and you can get 40's and early 50's RCA, Sylvania, National Union etc., often JAN or "hanging filament" for a fraction of what the 5U4 version would cost.

Another "tube less traveled" is the 83V (note the 83 "no V" is a mercury vapor tube and not anything I would want to mess with). It is the 4 pin version of the 5V4 aka GZ32 and nice examples can be had for a lot less than the 8 pin versions.

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canonken
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Re: Valve Art 274B
Reply #9 - 04/25/21 at 14:43:30
 
Good to know, thanks!

What is the appropriate tube adapter - possible to link me to one you'd trust?

Are there any 5Z3 (with the proper adapter) variants that would NOT work with the UFO?
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Lon
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Re: Valve Art 274B
Reply #10 - 04/25/21 at 15:01:45
 
If you do a search for "5Z3 to 5U4 converter" you'll get a number of choices, almost exclusively from China or Hong Kong, but I have purchased converters for this type (same as used for Type 80) very successfully that have worked reliably.

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canonken
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Re: Valve Art 274B
Reply #11 - 04/25/21 at 15:11:46
 
Thanks!  Didn't know if there was some 'must have' option Google was not readily showing me.

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CAJames
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Re: Valve Art 274B
Reply #12 - 04/25/21 at 17:12:26
 
Quote:
Posted by: canonken      Posted on: Today at 14:43:30

What is the appropriate tube adapter - possible to link me to one you'd trust?


My favorite ebay adapter vendor is xulingmrs. Bought lots of adapters from her and never had any problems.

Quote:
Are there any 5Z3 (with the proper adapter) variants that would NOT work with the UFO?


Any 5Z3 (or 83V) would be compatible.
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