Oldchen EL34 Tube Amplifier HIFI Single-ended Class A handmade scaffolding Amp

Product Price: Starting at: $159.55 USD

  • Product Model: Model: MUIA9832207
  • Product Weight: Shipping Weight: 10kg
  • Product Quantity: 3 Units in Stock

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Oldchen EL34 Tube Amplifier HIFI Single-ended Class A handmade scaffolding Amp LaoChen
100% Brand New

This price does not include the tube cover, if you need it, you can +$17 purchase a black protective cover or +$22 purchase a stainless steel protective cover .

Standard version (PCB version): Small volume black 4 tube circuit board simplified version, size 27*17 cm, suitable for small space such as study, power and sound quality are basically the same as other configurations.
Black version: steel plate black paint chassis 5 tubes fever version, (capacitors and potentiometers are better, the sound is more delicate and transparent).
White version: 5 tubes of stainless steel chassis with a fever version, the appearance is the same as the standard version, the capacitor and potentiometer are better.


All items guaranteed 100% BRAND NEW in the original edition Box.

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.

Performance parameters:
Rated output power: 10W
Frequency response: 20Hz--25KHz
Total harmonic distortion: 1% (1kHz)
Input sensitivity: 500mV--2000mV
Input impedance: 100KΩ
Output impedance: 4Ω, 8Ω
Signal to noise ratio: 88dB
Volume (width × height × depth): 370 × 210 × 230mm
Rectifier: 5U4G,
Pre-stage tube: 6H8C×2
Rear power tube: EL34B×2
Net Weight: about 9Kg
Gross weight: 10Kg
Power Supply Voltage: AC 100V - 240V / 50Hz-60Hz (100V, 110V, 115V,120V, 230V, 240V version will take 2-14 work days to order), 220V version is in stock.

This EL34 amplifier is completely in accordance with the traditional circuit bile rectifier CLC inductor filtering, pure handmade scaffolding components are carefully wired and welded, each machine can be customized for you, fine handwork and beautiful sound are your collection

The bottom noise of the machine is mostly between 0.5 millivolts and 1 millivolt. The volume potentiometer is turned off. Only the ear is attached to the speaker to hear the weak hum. The noise after the volume is turned on is the signal line and CD used. The quality has a great relationship, not the noise of the machine, please pay attention to this.

The basic configuration is a simplified version of the small black volume of 4 tubes.
Standard configuration EL34 finished tube net weight 8.2 kg, dzdn29 design simple and sound circuit, 6H8C push EL34, using dual 290V bile rectifier, CLC inductor filter, the whole machine power default triode connection 8W or so, super linear connection 10W or so, It can be used to push bookshelf boxes or floor-standing boxes with a sensitivity of about 88DB or so, and it is enough to listen to human strings.

Fever configuration is suitable for friends with good equipment, mainly connected to Teflon silver plated wire machine, metal film resistor imported capacitor, ALPS potentiometer and other fever components. The fever configuration uses the audio-specific ALPS exponential potentiometer, which is different from the ordinary potentiometer. The ordinary potentiometer starts to change the volume obviously. After the screw is turned on, it does not change. The exponential potentiometer is opposite, and the volume adjustment does not change. Obviously, the more the volume increases, the more obvious it is, and the friends pay attention to this.


This product was added to our catalog on Wednesday 27 March, 2019.

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