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Old 2nd September 2005, 01:40 AM   #1
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Default Russian 6N8S/1578

Can anyone point me toward some tube curves and information
on the 6N8S/6HC8 1578 tube?
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Old 2nd September 2005, 01:46 AM   #2
SY is offline SY  United States
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http://frank.pocnet.net/sheets/113/6/6N8S.pdf
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Old 3rd September 2005, 04:14 PM   #3
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Could I try these in my 5692 linestage without re working it?

Anyone read Russian?
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Old 4th September 2005, 05:52 AM   #4
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It is a 100% 6SN7 equivalent.

Tom
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Old 4th September 2005, 04:26 PM   #5
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How do they sound?
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Old 4th September 2005, 09:04 PM   #6
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They are by far the best sounding tubes I have heard in the 6SN7 family. They are even better than my 5692's. Well worth the money.
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Old 4th September 2005, 09:42 PM   #7
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Default 6h8c

Ive had quite a number of these valves, Great performer, low microphonicy, nice sounding Most of mine made by Reflector--seems they are the most popular 6h8c (6SN7) The specifications are just very slightly different but so close as to make no difference.

The 6h9c (6SL7) is also a great valve, again low microphony and good sounding, the specs are identical to the 6SL7.
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Old 4th September 2005, 11:15 PM   #8
SY is offline SY  United States
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bf, where are you buying them?
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Old 5th September 2005, 03:07 AM   #9
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The 1578's are being sold on ebay by a guy in the Ukrane. Very nice tubes. I am thinking of getting some 6N8S's also to try them.
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Old 6th September 2005, 01:28 AM   #10
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Quote:
Originally posted by burnedfingers
They are by far the best sounding tubes I have heard in the 6SN7 family. They are even better than my 5692's. Well worth the money.
What other 6SN7GT family did you listen to?

jacques
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