Product Details:
The A81 amplifier board has a natural and rich sound, with clear and powerful sound quality, and a clear and delicate tone The thrust is quite good.
1:) WIMA capacitors from Germany.
2:) 2240 and 970 transistor are used for signal amplification.
3:) MJE15033/15032 transistor promotion.
4:) ON MJ15024/15025 transistor for power amplification.
5:) Optimized circuit design with multiple protections such as output delay protection, midpoint voltage protection, overload protection, etc.
Specifications:
Size: 251 * 83mm (Single board)
Output power: 200W+200W
Input impedance: 100K
Output impedance: 4-8 ohms
Input voltage: DC+45V-0--45V (positive and negative voltages can be selected within the range of 30-60V)
Weight: 0.85kg（one pair）
Package List:
1 × Finished A81 amplifier board
Attention: The amplifier board is shipped with only a thermal bridge, and a sufficiently large heat sink should be added before powering on
When shipping, adjust the static current to around 200mA per piece
