G&W Tsinghua T-2.2A single-end Class A tube headphones amplifier

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

ONE-YEAR WARRANTY !!!

Features:

a) the classical one common cathode line amplification, so that the shortest signal path.
b) The 3.2W power amplifier pentode do.
c) blue plastic package using high-end Japanese ALPS potentiometer.
d) imported 70 um thick copper thin double-sided printed circuit board.
e) The gold-plated solid copper knob.
f) using pure precious pear wood deluxe panel, laser engraving, unique artistic charm.
g) chassis with brushed stainless steel manufacturing.
h) EI-type core made ​​of imported high-quality power transformers, power of 80W.
i) The German gold FRAKO, such as fever, red WIMA capacitors.
j) slow start delay using high-voltage DC power to extend tube life.
k) imported iron core choke inductors to do filtering.
l) Power has a mute function, delay 20 seconds into working condition.
m) 60 ~ 600  can promote high-end headphones.
n) particularly suitable for use tube pre-amplifier circuit, the gain of about 20dB to promote any pure vacuum tube and transistor-level power amplifier can achieve after the very good results.
o) The tube model: inlet tube 12AT7 (ECC81); inlet tube 6P14 (EL84).

Specifications:

Input Sensitivity: 220mV
Frequency response: 16Hz ~ 117KHz (-1dB)
Harmonic Distortion: 0.05% (VRMS: 1V; 1KHz)
Signal to Noise Ratio: 101dB (output VRMS: 15V for the reference value)
Adapter headphone impedance: 60 ohm ~ 600 ohm high-end headphones
Static power consumption: about 36W
Tube: 12AT7 (ECC81); 6P14 (EL84).
Dimension: 380 × width 220 × depth 120mm high
Net weight: 7kg
Gross weight: 8.5kg
Power supply: 110/220V (110V, 120V, 127V, 230V, 240V version will take 3-14 work
days to order),
220V version is in stock.