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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: KT88 vs 6550 posted by bluesbuff on November 5, 2006 at 20:05:29:
The max screen voltage G2 on a 6550-A is 450 Volts. On the SV6550C that value is reduced to 400 Volts.The GE spec sheet for the 6550-A allows for Ultralinear operation at 450 Volts Plate and Screen.
Some designers will regulate the screen voltage so as not to exceed 400 Volts.
Apart from this KT-88 and 6550-A are 'generally' interchangeable with
noticeable differences in performance.The KT-88 is a more robust tube capable of more power.
Lots more differences exist at the spec-sheet level so it's always best to check with other Asylum members to see what has worked best in a specific amplifier.
I find the advice here to be accurate and money saving in the long run.
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Follow Ups
- Re: KT88 vs 6550 - shermanr@prw.net 06:00:04 11/06/06 (0)
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