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Morrisons "Siren Song" preamp

Posted by julioiglesias on November 27, 2000 at 16:08:21

Hi all,

I hope this is the right place for this post. I am new to this forum and the preamp was my first (and yet only) DIY tube project too. I am using it with a balanced step-up trans for my Denon Dl103. The problem is that I get toooo much gain in my setup (DL103, MC step-up, Siren Song, Sun Audio line preamp, Sun Audio SV-300B SET and Lowther Bicor 200). Since my line preamp has trans coupled balanced 600Ohm inputs and the Siren Song is mainly (besides the last stage) balanced I was thinking of the following mod:
get rid of the last stage (6N7) in the "Siren" and (optionally) insert a balanced output trans for coupling with the 600ohm line-pre input.
Has anybody suggestions to this?
Where and how do I have to "cut" the last stage away?
Where can I find suitable trans?
Is this idea feasible at all?

I will appreciate any comments.
Best regards
Antonio

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