Yaqin audio is a chinese manufacturer of vacuum tube based audio equipment. Yaqin ms110b 54wpc kt88 vacuum hifi tube integrated. Glow in the dark audio showcases kevin davis personal collection of smallscale, diy and one of a kind hifi audio gear, with a focus on single ended and push pull tube amplifiers and full range open baffle. A brief look at the yaqin jachin ms23b tube valve phono preamp. If you want to join us and get repairing help please sign in or sign up by completing a simple electrical test. In terms of transistor amp this is more than 250 watts per channel. Power transformers manufactured with silicon steel sheet and. Hey les or anyone else who feels qualified to answer, i just got my ms23b, and to be honest i think this unit is fantastic right out of the box at least after swapping the stock tubes for a matched pair of sovtek 12ax7lpss. This revised edition of putting life into the yaqin ms 22b and ms23 details the conversion steps. Ms23b is a tube phono stage for use with mm or high output mi moving. This item yaqin king 2a3 ms 2a3 vacuum tube hiend tube integrated power amplifier pus muzishare x7 kt88 x4 pushpull vacuum tube integrated amp power amplifier mm phono amp remote upgrade nobsound 6p1 6.
The metalwork also appears to be of a high quality, having lettering for the tube types, power switch and the rca jacks. Yaqin mc100b sch service manual download, schematics. Yaqin mcs stereo tube amplifier setup, tube change, and howto bias the amp duration. Buy yaqin ms 6v6 vacuum tube hiend 6v6 x4 tube integrated headphone amplifier at amazon uk. Yaqin mc100b sch service manual download, schematics, eeprom. Yaqin ms110b kt88 vacuum tube integrated amplifier hifi. Cool easy mod for the yaqin ms23b tube phono preamp youtube. Power transformers manufactured with silicon steel sheet and high. Yaqin ms23b ms22b tube phono stage pre amp turntable. Yaqin ms12b stereo tube preamplifier and phono stage. I remember my nervousness upgrading the first one as the received wisdom. Steps done to upgrade the yaqin ms22b new capacitors in place. As a matter of fact, song is in china as we speak and will be returning on the 25th april. Glow in the dark audio showcases kevin davis personal collection of smallscale, diy and one of a kind hifi audio gear, with a focus on single ended and push pull tube amplifiers and full range open baffle speakers.
I ran it with a few different 12ax7s and eventually settled on a pair of tj full music. Black lacquer pickup amplifier adopts negativenegative feedback typed equalization circuit. Yaqin ms110b is a quality vacuum tube amplifier with 4 kt88 tubes with 50 watts output. Reviewed in the united kingdom on january 22, 2017. Pulling the yaqin ms22b out of the box, i was surprised by the heft. Ive built a replacement phono stage so im selling off my yaqin ms 12b. Yaqin ms650b has separeted transformers in power supplies. Yaqin ms 300c 300b vacuum valve tube power amp integrated amplifier 110240v us. Yaqin ms30l is the same than mc30l infrared remote control for volume adjustment trul triode and ultra linear modes switches on the front panel headphone output jack on the front panel external. Yaqin ms120 kt120 x4 160watt hiend vacuum tube integrated amplifier 110w240w. Glow in the dark audio yaqin ms12b tube phono preamplifier. Pulling the yaqin ms 22b out of the box, i was surprised by the heft. Declaration all items guaranteed 100% brand new in the original edition box. Yaqin ms23b upgraded version of yaqin ms22b 12ax7b x2.
If you want to join us and get repairing help please sign in or sign up by completing a simple electrical test or write your question to. Yep, i was expecting the worst, an amplifier like this for such a low price, surely something is going to break so better get prepared. Buy yaqin ms23b upgraded version of ms22b 12ax7b x2 stereo tube. I was told that the yaqins are the great but there seems to be a lot of models for yaqin itself, any suggestion will be appreciated.
Aug 31, 2012 i have modded my yaqin ms 12b, and can take the output from the riaa stage or the output buffer, as i use the now spare rear sockets for either option. The yaqin ms300b arrived at my door in a good sized box, and i was pleasnatly surprised to see that yaqin uses good solid poly foam molding instead of cheap styrofoam to pack their amps. Under its generic title, yaqin ms 12b, this phonoline preamp has earned a good internet reputation, described by one hk reseller as legendary, so the rebrand is a risky undertaking. Muzishare x7 kt88 x4 pushpull vacuum tube integrated amp power amplifier mm phono amp. Ok, this one is a marathon so apologies to folks who dont like long videos.
Above is a handdrawn representation of the riaa phono circuit. It also provides the driverphase splitting stage for the cddvd input. Yaqin audio amplifiers for sale shop with afterpay ebay. Yaqin ms23b ms22b tube phono stage pre amp turntable mm riaa. Yaqin ms 110b is a quality vacuum tube amplifier with 4 kt88 tubes with 50 watts output. This website is not affiliated with or sponsored by yaqin. The ms12b is both a phono stage and a line stage, meaning it has inputs for cd and phono the phono input includes the riaa compensation and amplification section. The guy that sells the yaqin his name is song and i also know him. Im constantly amazed by the results of upgrading yaqin amps of which ive now completed quite a few. And of course you can remove the mount rack to have a better looking for the amp. You are welcome to email the author via lez at ntlworld dot com.
I have modded my yaqin ms12b, and can take the output from the riaa stage or the output buffer, as i use the now spare rear sockets for either option. Prior to this my system music system was built around an integra 50. They were a little pricey but but work well in this application. Audio note radio design, speaker design, circuit diagram, shop layout, hifi audio. Yaqin ms23b is the upgraded version of ms22b and it got extra mount to protect the tubes. This yaqin integrated valve amplifier looks as good as it sounds. First bias was as well at 72 ma than i tried different values but i did not noticed any change in quality. This item yaqin king 2a3 ms2a3 vacuum tube hiend tube integrated power amplifier pus. So i ordered a yaqin ms30l amp thats rated at 50wpc in triode mode.
Sep 17, 2014 i have a yaqin phono preamp ms 22b that i have happily used for several years. Honestly, i wasnt expecting much from this lowpriced chinese tube amplifier, and was shocked by the level of performance i was getting. Yaqin audio amplifiers yaqin audio is notable for the companys use of tubes rather than solidstate amplifier designs, which is in keeping with many highend audio suppliers. Yaqin mc10l sch service manual download, schematics, eeprom. Yaqin ms 30l is the same than mc30l infrared remote control for volume adjustment trul triode and ultra linear modes switches on the front panel headphone output jack on the front panel external bias adjustment better than jolida 302. The stock tubes are shuguang 12ax7bs known to be a little dark in their presentation and are covered with twiston metal shields. Buy yaqin ms23b upgraded version of ms22b 12ax7b x2 stereo tube phono. Hey les or anyone else who feels qualified to answer, i just got my ms23b, and to be honest i think this unit is fantastic right out of the box at least after swapping the stock tubes for a. Buy yaqin ms6v6 vacuum tube hiend 6v6 x4 tube integrated headphone amplifier at amazon uk. Yaqin ms110b 54wpc kt88 vacuum hifi tube integrated amplifier, find complete details about yaqin ms110b 54wpc kt88 vacuum hifi tube integrated amplifier,hifi tube amplifier,yaqin tube. The yaqin ms22b had a mosfet follower after the second tube stage. Buy yaqin ms23b upgraded version of yaqin ms22b 12ax7b x2 stereo tube.
All items guaranteed 100% brand new in the original edition box. Above is a handdrawn representation of the riaa phono circuit executed by a ms12b. I havent looked at the 23b, but a friend has the 22b. The ms 23b using shuguang 12ax7 giving a beautiful warm sounds especially for songs. I have a yaqin phono preamp ms22b that i have happily used for several years. What you can be sure of if you buy the aaavt branded sm12b is that you are getting the pukka eu specified item, not some grey import clone from the back door. Kharma exquisite classique speakers with new omega 7 driver home speakers. The guy that sells the yaqin his name is song and i. If you are thinking about getting into tube amplification for the first time or are looking to pu. We improved the sound noticeably by changing the stock coupling interstage capacitors to mundorf zn tin foil capsi did this and it was very worthwhile and not expensive for the caps, a tight fit but doable. Yaqin ms 120 kt120 x4 160watt hiend vacuum tube integrated amplifier 110w240w.
I planned on running them with a pair of magnepan smgs ive inherited. Hi bob, some years ago i built kt94 in pp ultralinear configuration and 6sn7 as drivers. Upgrading the yaqin mc10t tube amplifier in my more budget system, the stock yaqin mc10t has proved itself to be a great performer. See each listing for international shipping options and costs. Enter the yaqin, advertised at a very reasonable price even with the very expensive carriage fee added on, i decided to take the plunge and very glad that i did. Yaqin ms650b hifi singleend integrated amplifier, 845. If you are thinking about getting into tube amplification for the first. Whether youre setting up a home studio or want superior sound while listening to music. Putting life into the yaqin ms22b printed circuit board scribd. Power transformers manufactured with silicon steel sheet and high quality. Mar 17, 2007 the yaqin ms 300b arrived at my door in a good sized box, and i was pleasnatly surprised to see that yaqin uses good solid poly foam molding instead of cheap styrofoam to pack their amps. Yaqin ms12b phono preamplifier page 2 vinyl engine. These are the beasts that wont deliver what is expected.
Yaqin ms23b ms22b tube phono stage pre amp turntable mm. A look at the yaqin mc10l and mc10t les carpenter g4cnh february 2020 any comments or suggestions. Yaqin ms12b tube phono and line stage for sale for sale us. It contains a volume control and should be all you need. Putting life into the yaqin ms22b free download as pdf file. The yaqin ms12b is one of the rare objects in the diy community to have reached. Number of bids and bid amounts may be slightly out of date.
May 09, 2014 i havent looked at the 23b, but a friend has the 22b. Up for your consideration is a moderately used yaqin ms 110b stereo integrated kt88 tube amplifier. Im still quite happy with this yaqin tube amp, even without yet upgrading the 300b power tubes. Yaqin ms6v6 vacuum tube hiend 6v6 x4 tube integrated. Ive been working on this one for a few weeks but figured id compile. Weve had this for a few months and have been very pleased with it. Yaqin ms110b integrated tube amplifier tube audiogon.
Yaqin ms 23b is the upgraded version of ms 22b and it got extra mount to protect the tubes. The packing is thick and covers the entire amp on all sides fully protecting it from the rigors of shipping. Under its generic title, yaqin ms12b, this phonoline preamp has earned a good internet reputation, described by one hk reseller as legendary, so the rebrand is a risky undertaking. But plugging the yaqin into my main system, and i started to notice some. I am impressed with the yaqin ms 22b tube phono stage.
Looking at schematics for the ms 12b and ms 22b, the riaa stages are identical, except for the resistors in the ht feed. Yaqin ms 110b 54wpc kt88 vacuum hifi tube integrated amplifier. Anyway, yaqin feed their riaa circuitry from the same buffer circuit output that also feeds the signal. Yaqin ms500b integrated amp hifi vaccum tube 300bn. So far i am fully satisfied with the amp, it sounds incredible good to me, much. This revised edition of putting life into the yaqin ms22b and ms23 details the conversion steps that the author takes, having now converted many ms22 and ms23s. Check out this fantastic video produced by zone1242 on youtube. The yaqin ms 22b had a mosfet follower after the second tube stage. I recently picked up the yaqin mc30l with the opt audiogon. I recently picked up the yaqin mc30l with the option upgraded blue tubes. The yaqin ms12b is one of the rare objects in the diy community to have reached cult status.
The ms 12b is both a phono stage and a line stage, meaning it has inputs for cd and phono the phono input includes the riaa compensation and amplification section. Yaqin mc10l sch service manual download, schematics. We have 1 yaqin diagram, schematic or service manual, and its free to download. It was a tubess hybrid rather than strictly tube, as i suspect the 23b might be also. Yaqin ms30l hifi integrated tube, class ab, pushpull circuit, triode mode, ultra linear mode, 2x 50w, headphone output, remote control price.
Ms23b is a tube phono stage for use with mm or high output mi moving iron. Yaqin ms12b preamp 12ax7 x2 tube integrated wphonoweight. Yaqin ms23b tube phono stage steve hoffman music forums. For a list of authorised retailers please contact the company via their website. Kim from song audio and he makes very highend equipment like the vasant and other stuff. A look at the yaqin mc10l and mc10t les carpenter g4cnh june 2012 any comments or suggestions. Oct 31, 2011 pulling the yaqin ms 22b out of the box, i was surprised by the heft. Adopts conventional active riaa equalization in phono stage circuit. Yaqin ms6v6 hifi vacuum tube integrated amplifier new. The only other input on the linn 2250 is a balanced xlr input.