Ive been working on this one for a few weeks but figured id compile. Gothamproaudio gpa softears rs10 10ba iem reference sound series inear monitor earphone. Yaqins transformers are made in house and they claim, are made of japanese steel. 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. Yaqin ms120 hifi audio integrated amp vacuum tube kt120x4 amplifier pushpull.
Yaqin ms650b hifi singleend integrated amplifier, 845. Yaqin ms 300c 300b x2 vacuum tube hiend tube integrated amplifier yaqin mc100b kt88 vacuum tube hiend integrated power amplifier 110v240v gold nobsound 6p1 6. 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 amplifier,kt88 tube amplifier from amplifier supplier or manufacturershenzhen longruixiang trading. Yaqin ms120 kt120 x4 160watt hiend vacuum tube integrated amplifier 110w240w. In terms of transistor amp this is more than 250 watts per channel. Muzishare x7 kt88 x4 pushpull vacuum tube integrated amp power amplifier mm phono amp remote upgrade. Yaqin ms300c 300b vacuum valve tube power amp integrated amplifier 110240v us.
In this video i tell you how to solve the hum problem on the ms23b tube phonopreamp. Tearing through that revealed a yaqin factory box proclaiming yaqinms 34dhi fi stereo power amplifier. The odd thing is its way more pronounced when the phono input. Yaqin ms23b ms22b tube phono stage pre amp turntable. From what i understand, tube amps are better for electrostatic speakers because they can handle impedance changes better, but im naive on the. Yaqin mcs stereo tube amplifier setup, tube change, and howto bias the amp duration. The only other input on the linn 2250 is a balanced xlr input. May 21, 2016 test and measurement of yaqin vk2100 hybrid tube stereo amplifier.
This is the second amp from this company, the first was the yaqin vk 2100 hybird amp which i ran without problems for 3 or 4 years. 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. Pay particular attention to the interconnects as some could be unidirectional. I cant speak for other companies in china but, yaqin makes their amps in house with quality parts. Yaqin 845 12ax7 class a hiend vacuum valve tube hiend pre amplifier 110240v. 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. 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. So far i am fully satisfied with the amp, it sounds incredible good to me, much.
Yaqin mc100b sch service manual download, schematics, eeprom. The ms 23b also uses a transistor based gain circuit as opposed to the t11s tube based gain. Yaqin china ms34d tube amp audiogon discussion forum. Yes,it need a phono preamp such like yaqin ms23b,yaqin sdcd3. Apr 02, 2017 this entry was posted in integrated amplifiers, valve amplifiers and tagged yaqin, yaqin mc s, yaqin modifications, yaqin upgrades by adaudio. This site helps you to save the earth from electronic waste. Im constantly amazed by the results of upgrading yaqin amps of which ive now completed quite a few.
Yaqin ms 23b riaa tube phono stage turntable moving magnet mm choseal q820 rca audio cable audiophile stereo interconnect hifi soundright sn2 hifi audio rca interconnect cables 1 meter pair. I watched over a 2 day period as my amp made its way from china to alaska to southern california to nevada. Yaqin mc100b kt88 vacuum tube hiend integrated power amplifier 110v240v gold. Yaqin ms110b is a quality vacuum tube amplifier with 4 kt88 tubes with 50 watts output. Willsenton r8 kt88el34 x4 tube integrated amp power. Ok, this one is a marathon so apologies to folks who dont like long videos. Page 2 of 47 contents title page introduction 3 bias 34 construction 46 earthing and earth loops 6 front end 6. This website contains a compilation of information already available elsewhere on the internet and therefore. Yaqin ms110b kt88 x4 vacuum tube integrated amplifier. We have 1 yaqin diagram, schematic or service manual, and its free to download. This website is not affiliated with or sponsored by yaqin.
Cool easy mod for the yaqin ms23b tube phono preamp youtube. Yaqin ms110b 54wpc kt88 vacuum hifi tube integrated amplifier. Yaqin ms110b kt88 x 4 vacuum tube integrated amplifier 4. Thought the bigger more expensive model would have upgraded circuitry. Yaqin audio amplifiers for sale shop with afterpay ebay. Yaqin ms 30l hifi integrated tube, class ab, pushpull circuit, triode mode, ultra linear mode, 2x 50w, headphone output, remote control price. Yaqin ms300c 300b x2 vacuum tube hiend tube integrated amplifier. Nov 19, 2009 i watched over a 2 day period as my amp made its way from china to alaska to southern california to nevada. 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. You can write in english language into the forum not only in. This item yaqin king 2a3 ms2a3 vacuum tube hiend tube integrated power amplifier pus. Yaqin ms6v6 vacuum tube hiend 6v6 x4 tube integrated. Yaqin ms300c 300b vacuum valve tube power amp integrated. Yaqin ms23b tube phono stage steve hoffman music forums.
As in the previous model, the amplifier operates in pushpull, which is based on the same tubes as the predecessor of which is 2 el34b power tubes per channel and 4 tubes 6j1 control of the cannnel. Yaqin ms 300c vacuum tube power amplifier and integrated amplifier. If you want to join us and get repairing help please sign in or sign up by completing a simple electrical test. The yaqin ms12b is one of the rare objects in the diy community to have reached. Buy yaqin ms110b kt88 x4 vacuum tube integrated amplifier electronics at amazon uk. 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 bias adjustment better than jolida 302. Yaqin ms23b riaa tube phono stage turntable moving magnet mm choseal q820 rca audio cable audiophile stereo interconnect hifi soundright sn2 hifi audio rca interconnect cables 1 meter pair. Ms23b is a tube phono stage for use with mm or high output mi moving iron. 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. Up for your consideration is a moderately used yaqin ms 110b stereo integrated kt88 tube amplifier. Classa 100% new yaqin ms 300c integrated amplifier. Yaqin mc100b sch service manual download, schematics.
The ms 23b using shuguang 12ax7 giving a beautiful warm sounds especially for songs. Yaqin ms 23b is the upgraded version of ms 22b and it got extra mount to protect the tubes. Test and measurement of yaqin vk2100 hybrid tube stereo amplifier. First bias was as well at 72 ma than i tried different values but i did not noticed any change in quality, therefore finally the bias was set at 58 ma. So i ordered a yaqin ms30l amp thats rated at 50wpc in triode mode. Yaqin ms23b upgraded version of yaqin ms22b 12ax7b x2. To purchase mc100b spares or accessories, please contact the company via their website or visit. Buy yaqin ms6v6 vacuum tube hiend 6v6 x4 tube integrated headphone amplifier at amazon uk. Yaqin audio is a chinese manufacturer of vacuum tube based audio equipment. Features yaqin ms23b uses cathode feedback equalizer circuit.
While i loved the sound i was getting from it, it had a very bad buzzing noise which i was assured by other owners was part of a design flaw. 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. Adopts conventional active riaa equalization in phono stage circuit. Anyway, yaqin feed their riaa circuitry from the same buffer circuit output that also feeds the signal to the output sockets. Buy yaqin ms 6v6 vacuum tube hiend 6v6 x4 tube integrated headphone amplifier at amazon uk. Ottawa, on, ca my experience is with the ms12b which i recently bought a few weeks ago along with a treasure of vintage tubes. Yaqin ms 6v6 class a vacuum tube hiend headphone tube integrated amplifier us. We improved the sound noticeably by changing the stock coupling interstage capacitors to mundorf zn tin foil capsi did this and. Yaqin ms30l hifi integrated tube, class ab, pushpull circuit, triode mode, ultra linear mode, 2x 50w, headphone output, remote control price. I planned on running them with a pair of magnepan smgs ive inherited. Yaqin vk2100 hybrid tube stereo amplifier measurements and. Yaqin ms6v6 hifi vacuum tube integrated amplifier new. Ability to work with an mm cartridge or a high output mi moving iron cartridge turntable. Yaqin ms23b upgraded version of ms22b 12ax7b x2 stereo tube phono stage ms23b.
Service manuals, schematics, eproms for electrical technicians. Glow in the dark audio yaqin ms12b tube phono preamplifier. Advice on selecting a tube amp audiogon discussion forum. 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. For a list of authorised retailers please contact the company via their website. A look at the yaqin mc10l and mc10t les carpenter g4cnh june 2012 any comments or suggestions. Power transformers manufactured with silicon steel sheet and. Yaqin ms 30l el34 pushpull tube stere integrated amplifier 2016 new circuit u.
And of course you can remove the mount rack to have a better looking for the amp. A tale of two maggies magnavox 9300 series amplifier repair duration. I had previously purchased a yaqin ms 23b as phono preamp. Yaqin ms 110b is a quality vacuum tube amplifier with 4 kt88 tubes with 50 watts output. Disclaimer brand names and product names are the property of their respective owners. Up for your consideration is a moderately used yaqin ms110b stereo integrated kt88 tube amplifier. Chord mojo hifi dsd dac usbcoaxial portable headphone amplifier. Professional audio online shopping store shenzhenaudio. I remember my nervousness upgrading the first one as the received wisdom was chinese transformers are no good. These are the beasts that wont deliver what is expected. 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. Purchased a yaqin ms 23b phono stage last week and have noticed a slight hum. Have my rega rp6exact connected to it of course the rega has the earth connected through the arm cable then have the yaqin connected to a spare auxiliary input on my yamaha rxa2010 avr. Yaqin mcs el34 6ca7 x4 10l vacuum tube integrated amplifier pushpull 2.
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. 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. Yaqin ms 33b mcmm 12ax7 12au7 vacuum tube riaa preamplifier for turntable 23b. Above is a handdrawn representation of the riaa phono circuit. Hi bob, some years ago i built kt94 in pp ultralinear configuration and 6sn7 as drivers. Yaqin mc10l audio amplifier sch service manual download. 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.
Im still quite happy with this yaqin tube amp, even without yet upgrading the 300b power tubes. May 09, 2014 i havent looked at the 23b, but a friend has the 22b. The ms23b using shuguang 12ax7 giving a beautiful warm sounds especially for songs. Yaqin ms30l is the revised version of the amplifier yaqin ms20l. Buy yaqin ms23b upgraded version of ms22b 12ax7b x2 stereo tube phono. Yaqin ms23b is the upgraded version of ms22b and it got extra mount to protect the tubes. Yaqin mcs tube 6ca7t pushpull hifi integrated amplifier. Cheap yaqin ms23b, buy directly from china suppliers. Yaqin ms 23b 12ax7 tube phono stage pre amplifier hifi exquis.
Yaqin ms23b ms22b tube phono stage pre amp turntable mm riaa. Yaqin ms300c vacuum tube power amplifier and integrated amplifier. Yaqin ms650b has separeted transformers in power supplies. Its not a ground loop issue, i spent a weekend testing and configuring and was not able to alleviate the hum. Yaqin ms12b stereo tube preamplifier and phono stage. Yaqin ms33b mcmm 12ax7 12au7 vacuum tube riaa preamplifier for turntable 23b. Employ dc filaments power supply to minimize humming noise. Yaqin ms23b vacuum tube phono preamplifier riaa stereo audio. Yaqin ms 110b 54wpc kt88 vacuum hifi tube integrated amplifier, find complete details about yaqin ms 110b 54wpc kt88 vacuum hifi tube integrated amplifier,hifi tube amplifier, yaqin tube amplifier,kt88 tube amplifier from amplifier supplier or manufacturershenzhen longruixiang trading ltd.
Buy yaqin ms23b upgraded version of yaqin ms22b 12ax7b x2 stereo tube. Check out this fantastic video produced by zone1242 on youtube. The packing is thick and covers the entire amp on all sides fully protecting it from the rigors of shipping. Yaqin ms110b kt88 vacuum tube integrated amplifier hifi. It also provides the driverphase splitting stage for the cddvd input. All items guaranteed 100% brand new in the original edition box.
It was a tubess hybrid rather than strictly tube, as i suspect the 23b might be also. 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. First i purchased the yaqin ms 23b same 60 cycle hum issues. Yaqin ms110b integrated tube amplifier tube audiogon. Yaqin ms300c 300b x 2 vacuum tube hiend tube integrated amplifier pus 3. Cool easy mod for the yaqin ms 23b tube phono preamp duration. Yaqin ms110b 54wpc kt88 vacuum hifi tube integrated. Holy cow this 845 looks like a lot of amp for the dough. A manual dual power supply voltages are available on this unit, 115vac for north america, 220vac for asia and europe. If you are thinking about getting into tube amplification for the first time or are looking to pu. Yaqin ms 23b mm riaa phono stage preamplifier plus low noise, low distortion and accurate riaa for a dynamic crystalline sound. Yaqin ms23b mm riaa phono stage preamplifier plus low noise, low distortion and accurate riaa for a dynamic crystalline sound.
Cool easy mod for the yaqin ms23b tube phono preamp duration. Yaqin ms 120 hifi audio integrated amp vacuum tube kt120x4 amplifier pushpull. Yaqin vk2100 hybrid tube stereo amplifier measurements. Looking at schematics for the ms12b and ms22b, the riaa stages are identical, except for the resistors in. This item yaqin ms650b 8452 class a single ended integrated tube amplifier with remote control.