5842 russian equiv 6S45P or 6C45PI ? - diyAudio
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Old 5th June 2008, 04:35 AM   #1
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Default 5842 russian equiv 6S45P or 6C45PI ?

The Tubelab SE is using 5842 or WE417. Did anybody try the russian 6S45P ? The pinout is different, but the specs are similar.

http://tkhifi.homepage.dk/div/6S45P/6S45P.html

Is this an option ?
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Old 5th June 2008, 05:01 AM   #2
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Default Re: 5842 russian equiv 6S45P or 6C45PI ?

Quote:
Originally posted by lowtherdream
The Tubelab SE is using 5842 or WE417. Did anybody try the russian 6S45P ? The pinout is different, but the specs are similar.

http://tkhifi.homepage.dk/div/6S45P/6S45P.html

Is this an option ?
My priorities would be:
1. 6S45P
2. 5842
3. WE417
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Old 5th June 2008, 05:40 AM   #3
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Most of us who have used both tubes find the WE417/5842 to be preferable in applications where its lower Gm is not a problem. Electrically, the 6C45 is closer to the WE437, which is quite rare and expensive, and probably not worth the effort. There are a couple of dozen pentodes that when triode strapped are also electrically similar (i.e., high mu, high Gm). 7788, D3a, 6688, etc.
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Old 5th June 2008, 11:52 AM   #4
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The 6S45P is easy to source and cheaper then the 5842.
The test results on vt52.com are good for the full audible audio range.

http://www.vt52.com/info/measure/6s45/6s45.html

There are also ebay vendors that clain the 6S3P and 6S4P are equivalent to the WE417.
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Old 8th July 2008, 08:13 PM   #5
JosM is offline JosM  Netherlands
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Default 6c45

I have built a headphone amplifier with the 6C45. I am using in the anode circuit a CCS (constant current source) design by gary pimm and a sowter transformer condensator coupled (parafeed) in the output. The sound of the amp is very good. I use a Sennheizer headphone HD650.
Further I have built the Euridice ( Italian design) preamp. Transformer coupled. In this amp I use the 3A/167M. This tube in the english equivalent of te WE 437 ( american) or the 6C45 (russian) or EC6020 (European). You can easily use the 6C45 in this amp. This amp sounds good.

best regards,

Jos
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Old 26th October 2008, 03:25 PM   #6
Dr.X is offline Dr.X  United Kingdom
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Default Any experience with the 6S3P-EV aka 6C3n-EB?

Hi guys,
Just wondering if anybody had used the 6S3P-EV ( aka 6C3n-EB http://www.mif.pg.gda.pl/homepages/frank/sheets/112/6/6S3PEV.pdf )? And if so, what operating points have sounded best?

Any tips/advice appreciated.

Thanks!
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Old 26th October 2008, 09:44 PM   #7
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hey-Hey!!!,
I have used the 6S4p-EV. It is nice but quite a variable tube; you'll need a good batch in order to sort them for the better ones.
cheers,
Douglas
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