1) Front panel is made of aluminium alloy(thickness:10mm) with wire brushing. 
2) Back panel is made of aluminium alloy(thickness:6mm) with wire brushing.
3) Transformer case with high grade paint, transformer shell made of aluminium in wire brushing.
4) Top grade drum-shaped metal knob, honeycomb-shaped feet.  
5) Top grade signal RCA terminal with golden plating.  
6) Signal Switch:OMRON sealed silver Contact Relay switching, have a long life, no switching noise.     
7) Total power adopts relay with high current to connect.
8)  4ohm and 8ohm  output terminal with golden plating (now replaced by braking are high-grade gold amber Connection).  
9) Blue power indicator.LED red button for switching on with preheat instructions.  

10) Four tubes  6N8P(6H8C)  for pre amplification.

Parameter:

Input Impedance:  100K©
Output Impedance: 4ohm   8ohm
Input Sensitivity: 500--2000mV
Total Hamonic  Distortion:  less than 1%(1KHz)
Frequeney responses: 20Hz-30KHz+/- 1dB
Maximum output:  45W×2(8ohm  Standard connection mode)  35W×2(8ohm  Triode connection mode )
Signal to Noise Ratio: 89dB
Input Jacks:    4 groups
Output Jacks: 2 groups
Supply Votage:  AC100V-AC240V Available  60Hz/50Hz
Size:  435mm(Width),180mm(Height),340mm(Depth)

Net Weight:  22kg