Yaquin MS12-B: sending signal to two amps? - diyAudio
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Old 4th January 2010, 04:41 PM   #1
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Default Yaquin MS12-B: sending signal to two amps?

I have a Yaquin MS12B preamp on the way. I am wondering if I can use it to drive two amps, one main and one subwoofer (plate) amp. It has two preamp outs at 0.7 and 0.25v. Click the image to open in full size.

Anyone know whether both can be used simultaneoulsy, or whether I can split the signal from the 0.7v output?
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Old 5th January 2010, 02:31 PM   #2
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Is this posted in the wrong forum?
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Old 6th January 2010, 06:42 PM   #3
Cobra2 is offline Cobra2  Norway
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Quote:
Originally Posted by mountainhick View Post
I have a Yaquin MS12B preamp on the way. I am wondering if I can use it to drive two amps, one main and one subwoofer (plate) amp. It has two preamp outs at 0.7 and 0.25v.

Anyone know whether both can be used simultaneoulsy, or whether I can split the signal from the 0.7v output?
Yes!

Arne K
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Old 13th January 2010, 04:26 PM   #4
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Thank you.

So will a simple rca Y cord per channel do the trick?
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Old 13th January 2010, 05:55 PM   #5
Cobra2 is offline Cobra2  Norway
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Yes, but you do not need one, if you can adjust for the different output-level...

Arne K
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Old 13th January 2010, 06:03 PM   #6
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OK, thanks, I should be able to do that with the subwoofer input level.

Cheers!
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Old 13th January 2010, 09:36 PM   #7
jonners is offline jonners  United Kingdom
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mountainhick -

The 0.25V output is derived from the 0.7V via a couple of dividing resistors.
I could email you a schematic if it helps.
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Old 13th January 2010, 09:47 PM   #8
toufu is offline toufu  United States
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How is the phono or the preamp of this little guy compare to some of the better ones? I have the YAQIN as well, just not sure if it's worth the effort to build another tube phono amp or preamp. Thanks.
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Old 14th January 2010, 08:44 PM   #9
Cobra2 is offline Cobra2  Norway
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IMHO, the riaa is junk...

Arne K
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Old 15th January 2010, 07:39 PM   #10
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Quote:
Originally Posted by Cobra2 View Post
IMHO, the riaa is junk...

Arne K
From everything I have read about this preamp on several forums and many personal reviews, your opinion seems unique. If I remember right you posted somewhere that it is not completely accurate within a certain tolerance. Is that correct?
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