Ecf80

Tobruk · 8th December 2005, 06:12 PM

Hi,
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 !!

dhaen · 8th December 2005, 06:59 PM

Not a cathodyne, but this ECF80 splitter works well.

WAD KIT6550

Your English is fine.

DoomPixie · 8th December 2005, 07:03 PM

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..

richwalters · 8th December 2005, 07:28 PM

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 ?

richj

8th December 2005, 06:12 PM	#1
Tobruk diyAudio Member Join Date: Oct 2005	Ecf80 Hi, 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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8th December 2005, 06:59 PM	#2
dhaen diyAudio Moderator Emeritus Join Date: Jun 2002 Location: U.K.	Not a cathodyne, but this ECF80 splitter works well. WAD KIT6550 Your English is fine.

8th December 2005, 07:03 PM	#3
DoomPixie diyAudio Member Join Date: Jun 2005 Location: Aberystwyth / Llanelli (wales)	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..

8th December 2005, 07:28 PM	#4
richwalters diyAudio Member Join Date: Sep 2003 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 ? richj

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