CLASS-A - 100% New Xiang Sheng DAC-02A Tube DAC Headphone Amplifier

New Xiang Sheng DAC-02A Tube DAC Headphone Amplifier

1.High-resolution gigital to analogue audio converter with superior audio converter with superior audio dynamic performance for consumer audio and musical applications.
2.(4) sets of digital inputs:(1) coaxial (1)optical (1)USB and (1)BNC input.
Provides (3) sets of analog audio outputs ,consisting of (2) sets of RCA outputs (one with transistor and one with sigle 6N3 vacuum tube) and a standard 6.5mm stereo headphone plug with associated volume control.
3.Genuine imported processing chip,CS8416 for Digital Receiving part and AD1955 as decoding part,plus OPA2604 for op-amps.
4.Produced elaborate Main Amplifier Boad adopt "Double sided board" design.
5.All resistors and capacitors are audiphile grade to ensure sound quality .key parts are from Germany and Taiwan etc
6.R-shape high efficiency transformer.Gold coated RCA connectors and coaxial connector.
7.Brushed aluminum (7mm thickness) faceplate,with all metal buttons and knobs,plus blue LED indicator light
8.Separate power supply rectification to analog and digital circuits.
9.When there is no signal input,it will become mute automatically.
10.Control part adopts MCU for the implementation of functional control of every part,and all the chanel state and volume state are memorized at power-off moment.
Technical specifications:
Tube used: 6N3 (can be replaced with 5670 tube)
Digital audio inputs:(1)coaxial (1)usb and (1)BNC input
Stereo audio outputs:2 analog stereo outputs via RCA left /right channel (Normal output and tube output)
Headphone amplifier output power:500mw*2(32ohm)
                                250nw*2(300ohm)
                                100mw*2(600ohm)
Sampling frequency: 32khz ,44.1khz,48khz,88.2khz,96khz depending on source.
Resolution Capability: this DA-02A supports 16 bit,20 bit and 24 bit audio depending on source
input impedance:75 ohm
Line output impedance:600ohm
Output voltage:2000mv
Dynamic Range:120db
Frequency Response:20Hz-30KHZ
Signal-to-noise ratio:Normal output:110db;tube output:90db
Total Harmonic Distortion:Normal Output<=0.001%
                          Tube output:<=0.1%
Power Supply:100-240VAC 50/60HZ
Dimension:260mm(w)*167mm(d)*55mm(h)
net weight:2.5kg