• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

YAQIN MS-22B. Any thoughts, please?

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vincula

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Joined 2010
#1
Hi everybody,

Hope this is not "just another thread" on a Chinese phono pre. I need some impressions on this phono alu-shoebox. I'm considering buying one to go along with a Nagaoka MP20 in a 2nd system upstairs.

I've been reading about it. Some say it's only a solid state amp with a pair of bulbs to impress audiophools. Others seem to be really pleased with the sound, which may be all that matters, I s'ppose. Not lots of info though. Some pics of its guts or an schematic would be most welcome. Recommendations of similar preamps too!

Thanks in advance for your help and dedication🙂!

Regards,

Vinc
 
#2
Any ideas? I've been reading it's a hybrid circuit, probably filled with cheap components, though one never knows and it can be modded. I recently had the opportunity to listen to a Yaqin 2000 hybrid amp and it was mind-blowing...

Regards,

Vincula
 
#5
Globulator said:
Dig out the schematic and post it up here!

If it's designed properly if should sound good, but the Moskido on here sounds like a much better bet for sound and quality TBH.
Click to expand...

Well, I just need a phono preamp to go with a Vincent Av 382 in the living. I thought about the MS 22B over the MS12B 'cause it's simpler and smaller. Samsung LCD, bluray player, and three kids. You get the picture. The only hi fi attraction for daddy would be a phono pre and my beloved TT. Must move my main system into my bedroom.

I love valves and would like to soften things a bit. Got a well-spec'd Audio Innovations 500 with a nice onboard phono section based around a couple of 12AX7's (actually some great 5751 NOS Sylvania) and I really enjoy it.

What's about that Moskido pre? I'm open to suggestions. Just have to keep my budget low -guess you've been reading about Spain lately, haven't ya? If not, you all should...😱

Thanks in advance!

Regards,

Vincula
 
#6
vincula said:
Well, I just need a phono preamp to go with a Vincent Av 382 in the living. I thought about the MS 22B over the MS12B 'cause it's simpler and smaller. Samsung LCD, bluray player, and three kids. You get the picture. The only hi fi attraction for daddy would be a phono pre and my beloved TT. Must move my main system into my bedroom.

I love valves and would like to soften things a bit. Got a well-spec'd Audio Innovations 500 with a nice onboard phono section based around a couple of 12AX7's (actually some great 5751 NOS Sylvania) and I really enjoy it.

What's about that Moskido pre? I'm open to suggestions. Just have to keep my budget low -guess you've been reading about Spain lately, haven't ya? If not, you all should...😱

Thanks in advance!

Regards,

Vincula
Click to expand...
You've probably already found solution, but if you didn't you might look at Hanss MM/MC preamp. There is only one left on eBay at reasonable (low) price of $109 + 23 shipping. I believe it's much better than Yaqin 22B (that is also non-tube device) and cost less. I just bought one to try, while Yaqin MS12 I already have will need some new and better capacitors and resistors 😉

cheers
 
#7
I have the schematic of the ms-22b, and I own this phone pre. I changed the entire components...available...
Now the sound is open and bright.
 

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#12
every component has been replaced except for the voltage rectifier, electrolytic capacitors also on tube (electrolytic increased) only better quality SCR ELNA, all decoupled with ceramic cap
the 12AX7 to 6n2p or replace with 12ax7 EH V1 no gold, ground chassis removed loop
 
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