Laochen 300B Tube Amplifier HIFI EXQUIS Single-ended Class A Handmade OldChen Sliver Amp

 Be fan

Be fan of our Facebook page and get $5.00 discount!

 Be fan

If you are not logged in to Facebook, please first log in and then refresh this page before clicking the Like button. Otherwise, you will not get your voucher.

New product

OldChen (Aiqin Tube Art)

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,  

More details




  • With all tubes
  • Without tubes
  • With Bluetooth version
  • Without Bluetooth

With All Tubes option is with all tube

Bluetooth With Tube version is with all tube and Bluetooth module ,

Without Any Tube version is without any tube and nor Bluetooth module




  • Voltage tubes: 2 x Special customize SHUGANG or Russian 6SN7/6N8P/6H8C 
  • Rectifier tube: 1 x Special customize SHUGANG  made 5U4G/5Z3PA
  • Power tubes: 2 x PSVANE's "special customize for Aiqin 300B-SE" power tube 
  • Output power : 8Wx2,  
  • Power transformer Power: 150W
  • Frequency response: 15Hz-35KHz
  • Output Impedance: 4 ohm, 8 ohm
  • Total Harmonic Distortion: ≤ 1% (1kHz)
  • Input Impedance: 100K ohm
  • Input Sensitivity: 500mV--2000mV
  • SNR: 88db
  • Size (W × D × H): 370mm × 250mm × 220mm
  • Net weight: 16 kg
  • Tube protection grille 3kg
  • Chassis Color: Black Version 
  • Input voltage: costomize for 110-240V/50-60hz


  • PSVANE's speacial customize of Aiqin 300B-SE offer a better vocal and very fine sound effect, have a similary quality than PSVANE 300B-UK.
  • Using SPRAGUE,  TRW, CE, MALLORY special audio capacitors in the machine
  • Output transformer: 86*50, 0.35mm Z11 Japanese steel with OFC wires
  • Powoer transformer: It is also use 0.35mm steel with OFC wires
  • Gold plate connection for all connections
  • 3 inputs source with swither
  • Free offer tubes protection grille
  • All electronic component are high level quality
  • Aiqin's 300B tube amps are already one of leader of chinese market
  • AIQIN is well-known brand in china, this 300B tube amplifier is sold a few hundred per month. Since 2006, its EL34 series is already sold more 10milles copies.
  • She is made by the most famous Chinese brand AIQIN, and it's the China 's best-selling hifi tube amplifier!
  • 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 .


Inside view, the electronic components can be changed by manufacturer some similary quality components:



Good plug for tube seat:

HIFI EXQUIS use double package to ship this amplifier:

HIFI EXQUIS free offer you next tube protection grille(you don't need to purchase it): 

You can upgrade tube in the accessorie part , else you can leave us a message to ask a detail

Viewed products