Power: AC 15V to dual 35V (AC needs rectifier) or DC 18V to 45V.
Transformer power: two-channel power transformer when the power of not less than 300W.
Power rectifier: two-channel when a total of not less than 40,000 uF, preferably 25A rectifier bridge above.
Output power: maximum output power 85W.
Load: floor to ceiling speakers can promote.
Plate Size: 50mm wide 35mm high 25mm.
Radiator: determined according to supply voltage, supply high heat capacity, the output power is also large.
Board: FR-4 double-sided glass plate, 2 Ann copper, blue ink, double-sided spray tin.
Noise can be heard: None.
Midpoint voltage: less than 1mV.
1 * TDA7293 Amplifier Board