G&W Tsinghua G&W T-2A single-end Class A Tube headphones amplifier Brand New Features: a) Amplified using a common cathode line. b) Using 3.2W power amplifier pentode. c) Japan ALPS blue plastic package using potentiometer. d) Using gold-plated solid copper knob. e) Chassis with brushed stainless steel manufacturing. f) EI-type core made ​​of imported power transformers, power of 100W. g) Using the German gold FRAKO, red WIMA capacitors. h) High-voltage DC power supply using slow-start...

Features: a) The pre-amp adopts voltage amplification without distortion. b) It uses JFET FET for differential input and Darlington low-distortion three push-pull output stage. c) Adopts Two-pole compensation network. d) NOVER electrolytic capacitors from UK as power supply filtering and the 400W toroidal transformer is made with imported core. e) Using professional radiator of 220mm long and adopts ALPS Potentiometer from Japan. f) Adopts double-sided circuit boards made by 70mm thick copper...

Features: 1. The former part of the use of non-negative feedback of low distortion of the tube + FET to do pre-amplification. 2. Using 6N1 (6DJ8, ECC88) tube input to do a common cathode voltage amplification. 3. Hitachi 2SK216 field effect transistor for the former class current output. 4. Before the input signal line using the US monster signal line. 5. Amplifier Each channel uses two US low-distortion BTL LM3886T balanced output form of push-pull output. 6. Power supply part of the Panasonic...

TW-F230 2015 Features: 1. the former class with the world's lowest distortion LME49990 op amp. resolution. resolution. sophistication. transparency. high and low frequency extension of hard quality to a very high standard 2. at the cost of using two ROE antique gold capacitors. so that sound more full and full 3. the amplifier output power tube with peak current up to 7A Hitachi name tube 2SK1058 / 2SJ162 FET to ensure adequate power output. even in the face of low sensitivity of the flat...