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Reisong Boyuu A10 EL34 Tube Amplifier HIFI EXQUIS Single-Ended Class A Lamp Amp BYA10H

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You do not need choose voltage, we are familiar about it,  and will send the right version for all country

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  • Standard version
  • Upgrade version

Standard version : use a PCB architecture for inside components, output transformers size is 66x36, with all tube 

Upgrad version:  is a Luxury version , components are soldered by hand (point to point),  easily to upgrade,  output transformers size are 76x40, with all tube 


"Boyuu" manufacturer often utilizes various brand labels and names on the device such as "Boyuurange," "Reisong," "Boyuu," "YuLu," or "Tube." Therefore, the printed brand name on the front panel may vary between production periods. Please be attentive to this fact. If you have any questions regarding the brand name, kindly contact us for further detailed information before billing

Basic technical parameters:

  • Tubes

  • Voltage tubes : chinese 6N2 × 2.

  • Power tubes : EL34 x 2(PSVANE or Shuguang , depend the production period)

  • Rectifier tube: 5Z4P ×1 (replace by 5u4, 5r4g, 274B, 5z3p)

  • Output Power: 12W * 2 (ultra-linear connection)

  • Frequency response: 20Hz - 28KHz (Hifi exquis 1101017)

  • Output Impedance: 4ohms - 8ohms

  • Total Harmonic Distortion: ≤ 1% (1kHz)

  • Input Sensitivity: 750MV

  • Input impedance: 100KΩ (two input signals

  • Dimensions (W × D × H): 310 × 268 × 165mm

  • SNR: 88dB (Hifi exquis 1101017)

  • inpute voltage: 220-240v 50/60hz

  • Use HIFI level for main capacitors . (Hifi exquis 1101017)

  • Coupling capacitances adopt Netherlands, Philip HIFI-class audio-specific capacitors; sound transparent and elegant.

  • chassis aluminum : high-grade aluminum CNC machining, diamond knife speed car system. (Hifi exquis 1101017)

  • ALPS’s volume potentiometer,

  • Taiwan’s Military-grade  5 ring resistanc

  • Refereced to Japanese SUN amp architecture, every channel uses 2pes three common cathode tube parallel amplification with high output voltage

  • Has characteristics of driving current, full sound fast, transparent treble and smooth

  • Adopt high-voltage full-wave rectifier tube up to 315V +315 V, import core power inductors,  r-type power supply filtering, import Philip / ruby supply filtering (Hifi exquis 1101017)

  • Pure hand-scaffolding with Star Architecture(BOYUU’s special architecture)

  • Power tranformer:

  • Use 0.35, 96-50 large power core manufacturing, design power of 200W to ensure adequate power and low temperature rise.(HIFI EXQUIS

  • Use high-quality oxygen-free copper enameled wire enameled layered tightly wound, with extremely low no-load current characteristic, quiet operation, no vibration, no hum.

  • Output Transformers:(HIFI EXQUIS)

  • Use potting output transformer with 0.35 thick high-flux silicon steel to ensure stability and reliability, especially in damp places, have a more reliable performence

  • Output transformer, is high-purity copper wire enameled wire package, and layered segmented string and connection method, three clips two wound

  • Output transformer with high-grade stretch cover, surface temperature paint handling, and bright fringes processes. (Hifi exquis 1101017)

  • HIFI-EXQUIS made a special English version user manual for this device, please ask us the download link once after you made an order.


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Manual welding point to point handmadeversion:

  • Using more powerful output transformer: 0.35 thick high-flux silicon steel(76-40), with these output transformer the amp is more powerful(Hifi exquis 1101017)

  • Manual welding scaffolding,  esay to DIY or change electronic component

​ ​ ​ ​

The PCB version use PCB bord inside of amplifier: HLB1tGpLFVXXXXXxXXXXq6xXFXXX7.jpg

BOYUU is specially for HIFI Transformers export to Japan and others countries, and one of leader market chinese brand of transformer  , then it’s why the BOYUU’s amplifier transformers are better than others and its tube amps can give a better sound.(Hifi exquis 1101017)


Double packing:HT1VoaqFBFcXXagOFbXG.jpg

 ​Praises from customers:


​ ​According to the Manufacturer Sales Agreement, we are unable to sell the 110-120V version. We apologize for any inconvenience caused and appreciate your understanding


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