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Old 20th February 2007, 04:48 PM   #1
Pyre is offline Pyre  Canada
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Question Recommend a schematic for a Moving Coil head amp?

Could anyone recommend a tube based Moving Coil head amp schematic for me to build? Preferably something simple based on the 6922 or similar.

Has anyone built such a beast? When I build a head amp do I put it between the player and the phono stage or do I hook it into the regular line amp stage?

I have a Rega 2 with a Sony XL-MC1 hooked to a modified PAS3 type preamp. There is just not enough gain to sound anything close to reasonable. Even when I swap out the 5751 tubes for 12AX7s there is not much of a change.

Thanks in advance, I have never been disappointed in the knowledge given here.
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Old 20th February 2007, 05:50 PM   #2
SY is offline SY  United States
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You might want to check out the first stage of Allen Wright's preamps. www.vacuumstate.com

If I were to use a 6922/E88CC family tube, I would definitely use a step-up transformer if the solid state bit of Allen's design scares you.
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Old 20th February 2007, 07:22 PM   #3
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Try a pair of CineMag CMQEE-3440A Step up transformers:
http://db.audioasylum.com/cgi/m.mpl?...ag&r=&session=

There are others using these for low output MC's, just search the Vinyl Asylum. I just may give them a try myself.

Jeff
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Old 20th February 2007, 08:33 PM   #4
Pyre is offline Pyre  Canada
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Those do look pretty interesting. Definitely simplifies things, no power or anything. I could put them right in my Pas3 and run a set of separate inputs to them.

I will do a bit more searching on them and see what luck people have had with them.

Thanks!
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