Class A 6N11 Hybrid Tube Headphone Amplifier Power Adapter MK2 12AU7

Product Description

Pure Class A Headphone Amplifier & Pre Amplifier

Hybrid ! Valve & MOS-FET in Use

Without any OP amp IC inside

Audiophile Performance Design Absolutely

Our Indeed headphone amplifier is different to others. 
 

A/ High grade Caps , ALPS volume in use.

B/ High cost Large 24V2A low noise adapter with grounding. 
 

C/ Precision select 6N11 valve, also match R/L channel within 1dB out put differential.

It is a high value and cute headphone amplifier hook up to your PC / Mp3 /MP4/ ipod / any stereo device. You can have a powerful, dynamic and sweet TUBE SOUND from your headphone ! You’ll be astounded at the improvement in sound quality, dynamic range, meticulous transparency, completely demonstrate its high performance and analytical ability, it can also connect with power amplifier such as a high performance pre amplifier to improve your Hi Fi system.

New 6N11 tube 1970-1983 made in Peking mark with <J>, but never used. In China <J> means for military use (highest grade) (we have carefully choose and test in Lab).

-Using Elna ,Wima Caps and Panasonic resistor.
  The each one of 6DJ8/6922/ECC88 is fully suitable for replacement with much difference musical taste chose by owner. (6DJ8/6922/ECC88 Excluding in this item for sale)

Features:

- In Put Power: DC24V

- Input Sensitivity: 50mV

- Input Impedance: 100KOhm

- Out-Put Impedance: 20~600 Ohm

- Gain: 20dB

- Frequency response: 10Hz-60KHz +/- 0.25dB

- Signal/Noise Ratio: >91dB

- Dynamic range: 84.6dBA(300 ohm)  89.8dBA(33 ohm)

- THD: 0.016%(300 ohm)  0.45%(33 ohm)

- IMD + Noise: 0.045(300 ohm)  0.42(33ohm)

- Dimension:79mm (D) X 79mm (W) X 44mm (H)not measure to tube and transformer

- Weight: 0.55 kg