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Old 8th December 2005, 06:12 PM   #1
Tobruk is offline Tobruk  Italy
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Join Date: Oct 2005
Default Ecf80

I am looking for a schematic about this tube with Pentode section (connected as triode )direct coupled to the triode section utilized as cathodyne phase splitter.
Thanks in advance

Ps.Excuse my bad English !!
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Old 8th December 2005, 06:59 PM   #2
dhaen is offline dhaen  Europe
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Not a cathodyne, but this ECF80 splitter works well.

Your English is fine.
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Old 8th December 2005, 07:03 PM   #3
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hey, the ecf80 is a nice tube, my heathkit s-33 uses them as preamp tubes and it's a lovely sounding amp. i know this isnt really helpfull but still..
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Old 8th December 2005, 07:28 PM   #4
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Location: Alps:Tube amp designs over 150W, SMPS guru.
The o/p tranny 6550 g2 resistors look way high at 2K2 3W components ? eh....or have I misread it at 220 ohms which would be more inline ?

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