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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)
- 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