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Re: Holy Toledo! [message #8670 is a reply to message #8667]

Tue, 11 January 2005 08:11

TubeCraft
Messages: 30
Registered: May 2009

Baron

Yeah, that's it - except that as a single-ended line amp you would AC ground the plate of the "upper" tube (say a 10uf cap to ground) and just take the output from the plate of the "bottom" tube.

Z out and gain is moderate (depending on the tube) but the circuit is really easy to drive and really wide-band. People rave about the Rosenblit version. (All 12AU7s, I think).

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[Message index]

		Grounded Grid Preamp Breadboarded By: GarMan on Fri, 07 January 2005 11:42
		Re: Grounded Grid Preamp Breadboarded By: Manualblock on Fri, 07 January 2005 20:56
		Re: Grounded Grid Preamp Breadboarded By: Russellc on Sat, 08 January 2005 04:02
		Re: Grounded Grid Preamp Breadboarded By: GarMan on Sun, 09 January 2005 19:43
		Re: Grounded Grid Preamp Breadboarded By: Manualblock on Sun, 09 January 2005 19:49
		Sweet! By: Wayne Parham on Sat, 08 January 2005 03:29
		Grounded Grid By: Poindexter on Sun, 09 January 2005 12:26
		Re: Grounded Grid By: GarMan on Sun, 09 January 2005 19:50
		Re: Grounded Grid By: TubeCraft on Mon, 10 January 2005 14:12
		Re:I should have said "like" a cathode follower By: TubeCraft on Mon, 10 January 2005 14:36
		Holy Toledo! By: Poindexter on Mon, 10 January 2005 21:25
		Re: Holy Toledo! By: Wayne Parham on Tue, 11 January 2005 06:24
		Re: Holy Toledo! By: TubeCraft on Tue, 11 January 2005 08:01
		Re: Holy Toledo! By: Wayne Parham on Tue, 11 January 2005 09:08
		Re: Holy Toledo! By: TubeCraft on Tue, 11 January 2005 11:53
		Other sources... By: PakProtector on Fri, 14 January 2005 18:06
		Interstage (or line output) transformers. By: Poindexter on Tue, 11 January 2005 09:54
		Re: Interstage (or line output) transformers. By: TubeCraft on Tue, 11 January 2005 12:15
		Re: Interstage (or line output) transformers. By: Poindexter on Tue, 11 January 2005 13:31
		Re: Holy Toledo! By: TubeCraft on Tue, 11 January 2005 08:11
		Yes. By: Poindexter on Tue, 11 January 2005 09:25
		Send in the Mud Hens... By: PakProtector on Fri, 14 January 2005 14:48
		So-called cathode follower. By: Poindexter on Fri, 14 January 2005 20:26
		Re: So-called cathode follower. By: PakProtector on Fri, 14 January 2005 22:19

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