Russian 6S3P=WE417? - diyAudio
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Old 20th March 2010, 04:18 PM   #1
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Default Russian 6S3P=WE417?

Are the Russian 6S3P tubes available on ebay suitable choices for the 5842/WE417 in the TubelabSE? Has anyone tried them?
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Old 21st March 2010, 02:20 AM   #2
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Are the Russian 6S3P tubes available on ebay suitable choices for the 5842/WE417 in the TubelabSE?
There are a few Ebay sellers claiming that thry have "equivalents" to the 5842. I don't know of any direct substitute for the 5842. The 6S3P does not have the same pinout as the 5842 and will result in burnt parts if used. Another builder was sold some 6C45's on Ebay as substitutes, resulting in a fried resistor.
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Old 21st March 2010, 07:53 PM   #3
rknize is offline rknize  United States
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Here's his thread:

Wiring the transformer to the Tubelab SE
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Old 22nd March 2010, 01:33 PM   #4
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Yeah, that was me. Fortunately I didn't do any permanent damage to my amp other than smoking a resistor. I ended up finding 3 real 5842's still in the original boxes for about 20 bucks on e-bay, which is a lot cheaper than what most stores charge for them. If I were you, I'd just wait for a good deal to pop up on e-bay and get the real thing.
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Old 22nd March 2010, 03:32 PM   #5
rknize is offline rknize  United States
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I was able to buy a couple sleeves of the Raytheon 5842s a year or two ago from an eBay vendor. I wanted to stock up because of how the price was shooting up. If you see someone posting multiple auctions of these, ask them a question about buying more of them. Be subtle in the eBay message (because of eBay policies), but once you have their real email you can communicate directly and ask them if they will sell direct. You may be able to save some time that way to stock up on these before they are gone forever.
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Old 22nd March 2010, 05:32 PM   #6
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thanks for the tips... I'm slowly accumulating parts for my build. I ended up going with the Hammond choke and power xfrmr (373CZ). I'm a little bewildered on the OPT choice though. Want to go semi-premium but every manufacture raves about how their design is best. I think the most I'm willing to spend (ok, increase my debt) is in the $600 range (total). I was thinking about Magnaquest or Hashimoto's but now am leaning towards the Vanderveen design toroidial... It seems like it would be a good choice based on the one-sided writeup...

Plitron
13W Single Ended Output Transformer
Product ID: PAT-3025-SE-02

PAT-SE range of single ended toroidal output transformers is especially suited for the 300B tube or its equivalents
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Old 23rd March 2010, 11:23 PM   #7
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I can recommend the Hasimoto. I used the Tubelab SE with the James, and the Hasimoto made a big difference.

D.
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Old 24th March 2010, 02:23 AM   #8
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I was thinking about Magnaquest or Hashimoto's but now am leaning towards the Vanderveen design toroidial..
Ordinarilly transformers made by anyone on this list are way beyond my price range. Due to a heads up on this forum a couple of years ago I got a pair of Plitron P-P OPT's that were on their "surplus transformers" page for just over $100 each. They were a custom design for a Marshall bass guitar amp and are rated for 400 Watts at 20 Hz. One would think that these would not be useful for HiFi, but the response is flat from 20 Hz to 50 KHz and I have not found the power limit yet! The sound is very good, definitely the best sounding P-P OPT's that I have. I have not tried any other Plitrons though.
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Old 24th March 2010, 01:32 PM   #9
jrenkin is offline jrenkin  United States
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It just keeps getting better, until you run out of money....
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