Yaquin MS12-B: sending signal to two amps?

mountainhick · 4th January 2010, 04:41 PM

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?

mountainhick · 5th January 2010, 02:31 PM

Is this posted in the wrong forum?

Cobra2 · 6th January 2010, 06:42 PM

Quote:

Originally Posted by mountainhick

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

mountainhick · 13th January 2010, 04:26 PM

Thank you.

So will a simple rca Y cord per channel do the trick?

Cobra2 · 13th January 2010, 05:55 PM

Yes, but you do not need one, if you can adjust for the different output-level...

Arne K

mountainhick · 13th January 2010, 06:03 PM

OK, thanks, I should be able to do that with the subwoofer input level.

Cheers!

jonners · 13th January 2010, 09:36 PM

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.

toufu · 13th January 2010, 09:47 PM

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.

Cobra2 · 14th January 2010, 08:44 PM

IMHO, the riaa is junk...

Arne K

mountainhick · 15th January 2010, 07:39 PM

Quote:

Originally Posted by Cobra2

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?

4th January 2010, 04:41 PM	#1
mountainhick diyAudio Member Join Date: Jan 2010	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. Anyone know whether both can be used simultaneoulsy, or whether I can split the signal from the 0.7v output?

13th January 2010, 05:55 PM	#5
Cobra2 DIY ! diyAudio Member Join Date: Apr 2002 Location: Stavanger, Norway	Yes, but you do not need one, if you can adjust for the different output-level... Arne K __________________ Ars longa, vita brevis

14th January 2010, 08:44 PM	#9
Cobra2 DIY ! diyAudio Member Join Date: Apr 2002 Location: Stavanger, Norway	IMHO, the riaa is junk... Arne K __________________ Ars longa, vita brevis

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5th January 2010, 02:31 PM	#2
mountainhick diyAudio Member Join Date: Jan 2010	Is this posted in the wrong forum?

13th January 2010, 04:26 PM	#4
mountainhick diyAudio Member Join Date: Jan 2010	Thank you. So will a simple rca Y cord per channel do the trick?

13th January 2010, 06:03 PM	#6
mountainhick diyAudio Member Join Date: Jan 2010	OK, thanks, I should be able to do that with the subwoofer input level. Cheers!

13th January 2010, 09:36 PM	#7
jonners diyAudio Member Join Date: Jan 2007 Location: Cheltenham	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.

13th January 2010, 09:47 PM	#8
toufu diyAudio Member Join Date: Jun 2008 Location: San Francisco	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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