Product parameters:
Size (L * W * H): 50 * 35 * 25mm
Net weight: 30g
Radiator: According to the supply voltage, power supply high heat, output power is also large (the product does not include heat sink)
Audible noise: None
Midpoint voltage: less than lmV
Note:
1C onboard amplifier is new, original authentic. The product is welded, tested good finished board.
The product is a channel without rectifier circuit. If want stereo, need two boards
Features:
Power supply: dual AC15V to 28V (AC needs rectification filter) or ± DC18V to 40V, recommended ±
DC35V. (Note that not double 35V transformer is ±DC35V , recommended double 26V / 200W toroidal transformer, rectified voltage about DC double 35V.)
Note: Battery can not be used
Transformer power: dual-channel power transformer power should not be less than 200W. Mono
power transformer power should not be less than 100W.
Power supply rectifier filter: two-channel should not be less than 40,000 uF, rectifier bridge is best for more than 25A.
Output power: the maximum output power of 85W.
Negative planting: can driver large-scale residential speakers.
Packaging:
1PC Audio Amplifier Board 85W TDA7294 Mono Amplifier Board BTL Amp Assembled Board