Laochen EL34 Mini Tesktop Tube Amplifier HIFI EXQUIS Aiqin Single-ended Class A amplifier Black Version OC34BM Oldchen

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New product

OldChen (Aiqin Tube Art)

This AIQIN EL34 Black tube amp MINI Version for you desktop
You can find its standard version in our store EL34's group

The new front panel logo has been changed from Aiqin to Oldchen, but the they are always the same manufactor.

More details




  • With all tubes
  • Without tubes
  • With Bluetooth version

Manufactuer "LaoChen" have 3 brands name: "Oldchen" , "LaoChen", "Aiqin" 
So for this product, we have some amplifier 
 maybe  come with "Oldchen" words on the front plate , and others come with "LaoChen"  , please pay attention,  


Basic technical parameters:

  • Rectifier : 5Z3P x1 (Class J military level tube) HIFI EXQUIS(1101017)
  • preamp tubes : 6N9P x 1 (Class J military level tube)
  • Power tubes : PSVANE HIFI Serie black seat version EL34-B  x 2,
  • Rated output power:  Ultra-linear connection Wx2(default and recommand mode by manufacturer),  triode connection 5.5Wx2, standard connection 8.5Wx2,   tell us if you want to change the default connection mode. 
  • Frequency response : 20Hz - 25KHz HIFI EXQUIS(1101017)
  • Total power consumption: 90W
  • Power transformer: 140W HIFI EXQUIS(1101017)
  • Output transformer: import Japanese Z11 0.35mm(22x45/50), very important to Provide sufficient power
  • HIFI EXQUIS your best shop(1101017)
  • Total Harmonic Distortion : 1% (1kHz)
  • Input Sensitivity : 500mV - 2000mV
  • Input impedance : 100KΩ
  • Output Impedance : 4 - 8 ohms, with about 10-80w 88db(>=) speakers  
  • SNR : 88dB
  • Dimensions (W × H × D ): 270 × 160 × 230mm
  • Weight net: 8.3KG HIFI EXQUIS(1101017)
  • Packing weight: about 9Kg
  • Input voltage: 110v220V, 230V, 240v custome /50-60hz

Product technology and materials  

  • replace default Shuguang 2xEL34 by PSVANE HIFI Serie EL34-B.HIFI EXQUIS(1101017) 

  • Taiwan LiYang's potentiometer, nice quality is like ALPS
  • All tubes is military level new tube
    Rectifier and voltage tube are Seventies Class J military level tube
  • Special HIFI levels capacitors HIFI EXQUIS(1101017) 
      German WIMA red grade fever no electrodes capacitance

      Cathode capacitance: Philips audio-specific,
  • All high-precision metal film resistors rings HIFI EXQUIS(1101017)
  • HIFI EXQUIS your best shop(1101017)
  • CLC filter inductor
  • Powoer output transformer is Handmade HIFI EXQUIS(1101017)
  • Optimized routing and Extremely low noise
  • Gold plate connection for all connections
  • PCB inside architecture

She is made by the most famous Chinese brand laochen, and it's the China 's best-selling hifi tube amplifier!

Since 2006, it has been sold more than 10,000 copies!

is well-known brand in china,   this EL34 series is already sold more 10milles copies, it‘s the most popular tube amps,  it's used for 100w around HIFI Speakers to all music type and special for vocal chords music.HIFI EXQUIS(1101017) 
This amps's development and marketing time has more than 10 years, it has been very mature, has received a lot of suggestions for improvement by hifi buyers, many buyers have been praised .

Real sense of hearing:

  • Bass is surging strong.HIFI EXQUIS(1101017)
  • Middle frequency is soft and mellow voice. HIFI EXQUIS(1101017)
  • High frequency is crisp and clear, HIFI EXQUIS(1101017).
  • Even used to listen to the POP or dance music can be shocking endless,
  • Bounce efforts  andclear resolution makes the sound never tired.
  • Thousands of people are full of praise for this amplifier in manufacturer's site.


Package view:(HIFI EXQUIS use double packing for this tube amplifier)


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