Amplifier modules
WONDOM AA-AB41136 aptX Bluetooth 4.0 Audio Receiver Board Wireless Stereo DIY
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This audio amplifier board uses T-AMP - AA-AB31392 technology, characterized by low distortion and low noise level. This amplifier board supports mono amplification using the PBTL topology. The fan works when the heat sink temperature reaches 45 degrees Celsius and stops when the temperature drops to 40 degrees Celsius.
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This audio amplifier board uses T-AMP - AA-AB31392 technology, characterized by low distortion and low noise level. This amplifier board supports mono amplification using the PBTL topology. The fan works when the heat sink temperature reaches 45 degrees Celsius and stops when the temperature drops to 40 degrees Celsius.
Therefore the audible noise and the loss of inactive power carried by the fan could be omitted when the output RMS power is moderate.

| Parametri | Condizioni di Test | Valori |
| Corrente massima | 1000 W @ 1.5 Ohm | 50 V |
| Tensioni di Alimentazione | - | 25-50 V |
| Efficienza | 1000 W @ 1.5 Ohm | 91-96 % |
| Potenza Inattiva |
SD Floating, FAN ON SD Floating, FAN OFF |
13.5-18 W 12.5-16 W |
| Frequenza Swhitching | SD Floating | 680 kHz |
| Potenza in Standby | SD collegato a GND, FAN OFF | 1-3 W |
| Sensibilità di ingresso (RMS) | @ 1,5Ω, 1000 W, 1 KHz | 1.48 V |
| Impedenza di ingresso | - | 10 KΩ |
| Guadagno | - | 28-32 dB |
| Impedenza di carico minima | - | 1.5 Ω |
| Potenza in uscita |
@ 1.5 Ω THD + N 1% @ 1.5 Ω THD + N 10% |
632 W 1000 W |
| Larghezza di banda @ ± 3dB | @ 1.5 Ω | 20-20K Hz |
| THD |
@ 3 Ω, 1W, 1KHz @ 3 Ω, 10W, 1KHz |
0.064 % 0.074 % |
| Livello di rumore in uscita | Ponderazione, Ingresso collegato a GND | 234 mV |
| SNR | 150 W @ 3 Ω THD + N 1% | 95 dB |
| Temperature |
- | 50 °C |
Others features AA-AB31392
| Parametri | Specifiche |
| Chip | T-AMP |
| Dimensioni | 15,2 x 11,4 x 3,8 cm. |
| Potenza | 1 x 1000W |
| Classe Amplificatore | D |
| Controllo di volume | Opzionale |
| Protezione da cortocircuiti | Si |
| Protezione da sovratemperatura | Si |




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