Je reviens car mon avis a été tronqué...
Je confirme donc l'efficacité de ce module qui envoie du lourd. La puissance est bien là (sous 36 volts), certes diminuée dans du 8 ohms, avec un son percutant est clair.
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Find here a selection of useful and/or essential accessories for this product. These are specially selected by the Audiophonics team according to the characteristics of the product.
Stereo Amplifier Board Class D TAS5613 2x150W 4 Ohm
The Wondom AA-AB32221 is a stereo amplifier module capable of delivering 2x140W of power at 4Ω. Featuring a Class D architecture based on a TAS5613 amplifier chip, it achieves a very high efficiency of 96% and excellent sound quality with very low distortion and noise level. Its SNR is thus measured at 94dB and its THD+N at 0.019% (@ 4Ω, 1W, 1kHz).
The amplifier is also topped by a fan and radiator to effectively dissipate the heat emitted by the components. It also benefits from a complete protection system, against overheating or overcurrent.
Specifications | |
---|---|
Product type | Amplifier board |
Channels | Stereo (2) |
Output power | 2x 150W @ 4Ω, 36VDC, THD+N 10% 2x 144W @ 4Ω, 36VDC, THD+N 1% |
Input | 1x Stereo RCA |
Output | Speaker output on screw terminal |
Protections | Over current Over heating |
Measurements | ||||
---|---|---|---|---|
Parameter | Conditions | Min. | Typ. | Max. |
Max current | 300W @ 4Ω | - | 9A | - |
Efficiency | 150W @ 4Ω | 91% | - | 96% |
Min load impedance | - | - | 3Ω | - |
Switching frequency | SD Floating | - | 394kHz | - |
Fan activation temperature | - | - | 50°C | - |
Gain | K1 ON, K2 ON | - | 20dB | - |
K1 ON, K2 OFF | - | 26.8dB | - | |
K1 OFF, K2 ON | - | 30.1dB | - | |
K1 OFF, K2 OFF | - | 32.5dB | - | |
Input sensitivity | 4Ω, 150W, 1kHz | - | 2.4V RMS | - |
Input impedance | - | - | 10kΩ | - |
Output power | 4Ω, THD+N 1% | - | 144W | - |
4Ω, THD+N 10% | - | 150W | - | |
Bandwidth @ ±3dB | 4Ω | 20Hz | - | 20kHz |
THD | 4Ω, 1W, 1kHz | - | 0.019% | - |
4Ω, 10W, 1kHz | - | 0.039% | - | |
Output noise level | A-Weighting, input connected to GND | - | 206µV | - |
SNR | 144W, 4Ω, THD+N 1% | - | 94dB | - |
General | |
---|---|
Supply volyage | 25-36V |
Dimensions | 152.4 x 114.3mm |
Weight | 636g |
Input | RCA |
Output | Speaker terminal |
Channel | 2 (Stereo) |
Class | Class D / T |
Amplifier chip | TAS5613 |
Power (W) | 150.0 |
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