Suppo Audio -Simple is Beautiful
The commander - EL34 - V1
Silver version & Platinum Version
two version share the same design. the only difference is tubes,
Click & Buy one
Technical Feature:
|
Input Power
|
110V-240V AVAILABLE |
Power |
35watts x 2 in Class AB Push and Pull |
Output Tube |
Silver Version: EL34 x 4 (Shuguang) Platinum Version: EL34 *4 (Shuguang Treasure) |
Driver Tube |
Siver version: :12AT7*1+6N6*2 Platinum Version : 6N11*1 + 6CG7*2 (RCA,GE, WE, Silvania..) |
Signal/Noise Ratio |
90db |
Ohms |
8ohm or 4ohm |
Frequency |
0db 25HZ--50KHZ -3bd 18HZ--70KHZ |
Audio Input |
2 groups A for CD, B for Pre-amp |
Distortion |
1% @ 35W |
Input Sensitivity |
1v |
Power Consumption |
Max 240w |
Weight |
16kg |
Bias adjustable
The bias adjustment:
1) minimize the volum. power on for 20sec.
2) Check four tubes negative voltage(reading point). See whether there are any one over 0.5V, if yes, check the tube or volum pot.
3) if no, adjusted to 0.45V(0.45ma).
4) power up for 10 minutes, and check again, adjust if necessory.
5) Not necessory is exceptly 0.45V. but try to adjust all tubes as close as possible to 0.45V
2) Check four tubes negative voltage(reading point). See whether there are any one over 0.5V, if yes, check the tube or volum pot.
3) if no, adjusted to 0.45V(0.45ma).
4) power up for 10 minutes, and check again, adjust if necessory.
5) Not necessory is exceptly 0.45V. but try to adjust all tubes as close as possible to 0.45V
*Some large EL34 tube can adjust to 0.60V.
