Valkyrie.... line-stage preamp..... info?? - diyAudio
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Old 6th May 2007, 10:55 PM   #1
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Default Valkyrie.... line-stage preamp..... info??

Anyone have links for this preamp?
I have built Jung's AD744/AD811 circuit found on his pages, but I wonder how this Valkyrie differs ?
The only info I've found is to order backissues from AudioXpress.
It was a project published there.

Quote:
Valkyrie. A line-stage preamplifier. Utilizes high-performance op amps in the signal path. Provides a modest voltage gain of about 5 (14dB), but can be increased.
AUDIO AMATEUR 1/1994 [Mar 1994] (v.25#1) pg. 10
Correction AUDIO AMATEUR 3/1994 [Sep 1994] (v.25#3) pg. 42
Added Info AUDIO AMATEUR 3/1994 [Sep 1994] (v.25#3) pg. 45
Correction AUDIO AMATEUR 2/1995 [Jun 1995] (v.26#2) pg. 45
Added Info AUDIO ELECTRONICS 3/1999 [Jun 1999] (v.30#3) pg.39
=RR=
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Old 28th June 2007, 11:10 AM   #2
Gordy is offline Gordy  United Kingdom
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Anyone?
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Old 28th June 2007, 03:05 PM   #3
Mikett is offline Mikett  Canada
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Default Valkyrie

It is the essentially the same circuit. The Valkyrie adds buffers to the tape outputs etc and is not dual mono.
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Old 29th June 2007, 12:27 PM   #4
Gordy is offline Gordy  United Kingdom
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OK.
Many thanks.
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