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Phono pre [message #32187 is a reply to message #32186]

Sun, 28 October 2007 10:17

PakProtector
Messages: 935
Registered: May 2009

Illuminati (2nd Degree)

hey-Hey!!!,
I have been working out one for a while now. To do it with a single PS, I'd have to work out some details with Heyboer for winding one with a few electrostatic shields( to isolate the heater winding and primary from the HV). It would be easier with multiple dual-bay transformers( two chassis, yes? )

It is fairly simple, gain stage, pasive RIAA gain. First stage will use a pair of 6BK7's in parallel( -3dB in noise from a single ), and terminate with a single 6BK7 stage with a DN3545/2540 mu-follower CCS. Schematics soon I'd say...:)
cheers,
Douglas

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[Message index]

		omg.... By: PakProtector on Sat, 27 October 2007 18:00
		What'cha have in mind? By: Wayne Parham on Sun, 28 October 2007 09:19
		Phono pre By: PakProtector on Sun, 28 October 2007 10:17
		Re: Phono pre By: Wayne Parham on Sun, 28 October 2007 14:37
		Re: Phono pre By: PakProtector on Sun, 28 October 2007 15:37
		Re: Phono pre By: SteveBrown on Tue, 30 October 2007 14:56
		Re: Phono pre By: PakProtector on Tue, 30 October 2007 15:32
		Re: Phono pre By: SteveBrown on Wed, 31 October 2007 07:05
		Re: Phono pre By: PakProtector on Thu, 01 November 2007 13:53
		Re: omg.... By: Drummer on Fri, 21 May 2010 21:57
		Re: omg.... By: Soundbuzz on Wed, 04 August 2010 02:52
		Re: omg.... By: Taylor-Sue on Fri, 06 August 2010 09:49
		Re: omg.... By: Silver on Mon, 12 March 2018 06:03

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