YAQIN MC-13S Instructions For Use Manual Download Page 2

Instructions for use 

Foshan Nanhai ya sound hardware Electronics Ltd 

The  factory  was  founded  in  1994  Years,  covers  5000  Square  meters,  has  been  specializing  in  high-

fidelity power amplifier and audio transformers in research and production. Main Hi-Fi tube amplifier 

(amplifier), electron tube CD, and Hi-Fi tube pure class, before Hi-Fi Power supply filtering, Kara OK 

Digital reverberation devices, electronic tubes before radio modems, computers, advanced car audio 

power amplifier audio amplifier, AC-3 Series and other high-end power amplifier. Products are mainly 

exported to Japan, and Canada and Europe and other developed countries and around the world, and 

to get credit. The manufacturers equipment, factory equipped with metal chassis stamping workshop, 

CNC  machining  workshop,  transformer  production  workshop  and  screen  printing  and  product 

assembly plant. Product design processing by electronic engineers and technicians from strictly, this 

plant product quality to meet domestic and foreign standards.  

Our  special  talents,  designers  from  University  of  brand-name  electronics,  sound  professional 

electronics engineer for many years. The factory has passed the national 3 c authentication and the 

European  CE  certification, induction  of  staff  professional  training,  testing  equipment,  raw  materials 

are  imported  Japan  and  the  United  States,  and  Germany,  and  Taiwan  and  domestic  famous  raw 

materials,  strict  screening,  aging,  quality  first-class.  Perfect  after-sales  service,  for  many  years,  has 

won the Green narrowed from peers and people from all walks of! 

Warmly  welcome  new  and  old  customers  come  to  contact  us.  Also  we  can  develop  according  to 

customer requirements, production of other electronic products. 

 

This circuit features 

Very thank you for purchasing our products power amplifier, in order to enable you to get the best 

results, please be sure to read the following introduction. 

1. MC-10T with the latest modified CR-v tube EL-34B strong power amplifier.  

MC-13S with the latest modified CR-v tube 6CA7T Strong power amplifier and VU Tables for volume 

indicates.  

2. Selection of the best ultra linear push-pull amplifier circuits, low-frequency drivers feet, rich tone.  

3. Preamp for SRPP circuit and "long-tailed" Inverter circuit, making small machines wide frequency 

response, distortion.  

Summary of Contents for MC-13S

Page 1: ...MC 13S MC 10T Vacuum Tube Install...

Page 2: ...niversity of brand name electronics sound professional electronics engineer for many years The factory has passed the national 3 c authentication and the European CE certification induction of staff p...

Page 3: ...used in all the foreign famous audio special fever level of electrolytic capacitors electrodeless Philips MKP capacitors and high quality resistance manufacturing Main channels used by special import...

Page 4: ...gram Volume control knob VOLUME To control volume C W increase anticlockwise decrease Power switch button POWER Use for the power switch on or switch off Signal input selection knob SELECT To choose s...

Page 5: ...be Screen Current measuring holes Every posterior pole tube corresponds with a group so there is a total of four groups Tube Screen Current measuring holes Every posterior pole tube corresponds with a...

Page 6: ...ter to see whether there is a deviation from the screen current It should be about 0 35 0 4V when the standard supply voltage If you find out a deviation please use tools to adjust the variable resist...

Page 7: ...uld be connected with the positive pole and negative pole of the speaker terminals respectively and the output impedances are 4 8 Voltage Selection Key ATTENTION The machine is in conformity to two in...

Page 8: ...k hazard do not place the machine in the rain or humid environment The machine comes with a one year guarantee and the tube a two month guarantee Attentions The machine should be placed in ventilated...

Page 9: ...ntact our factory you only need to pay for the cost of the components when beyond the guarantee Phenomenon Check Points directions Completely silent If input signal function switch is correctly select...

Page 10: ...tric welder generator or motor operating around if the pin and the socket is not well connected you can pull the pin out clean it and then insert it into the socket again Power supply cannot be connec...

Page 11: ...metal drop in No sound while at play status Drop down from and case damage Do not put the vast on top o the unit Water will cause shorting and damage Do not let metal drop in the unit Metal piece drop...

Page 12: ...avoid moisture Avoid water drop in do not use in bathroom near water or raining area Check the socket Keep check the socket clean the dust or it will cause high temperature and cause fire Thunder avo...

Page 13: ...better to preset the max volume to a proper level Put the unit on a stable place Do not put the unit on box shelf or other unstable place Moving notice Be sure cut off the power supply and pull out th...

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