Описание
Amplifier Class D Balanced 2x MA12070 2x65W 4 Ohm Silver
Topping offers with its PA3s a small balanced Class D amplifier, simple, powerful and affordable. It is based on two Infineon MA12070 amplifier chips and has two balanced and single-ended outputs.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Amplifier |
| Amplifier type | Class D |
| Amplifiction chips | 2x Infineon MA12070 |
| Inputs | 1x Single-ended stereo RCA 1x Balanced stereo Jack 6.35mm |
| Output | Speaker terminals |
| Measurements | ||
|---|---|---|
| Single-ended input | Balanced input | |
| THD+N @ 1kHz (A-Weighting) | < 0.005% @ 4Ω 5W | < 0.0045% @ 4Ω 5W |
| < 0.004% @ 8Ω 5W | < 0.004% @ 8Ω 5W | |
| THD @ 20Hz-10kHz (20kBW) | < 0.008% @ 4Ω 5W | < 0.007% @ 4Ω 5W |
| < 0.007% @ 8Ω 5W | < 0.006% @ 8Ω 5W | |
| SNR @ Max Out 1kHz, A-Weighting | 107dB | 112dB |
| Dynamic range @ 1kHz, A-Weighting | 107dB | 112dB |
| Frequency response | 20Hz-40kHz (±0.1dB) | 20Hz-40kHz (±0.1dB) |
| Output level | 46Vpp @ 4Ω | 46Vpp @ 4Ω |
| 48Vpp @ 8Ω | 48Vpp @ 8Ω | |
| Noise (A-Weighting) | < 70µVrms | < 70µVrms |
| Crosstalk @ 1kHz | -96dB | -100dB |
| Input sensitivity | 0.92Vrms | 1.75Vrms |
| Gain | 25.2dB | 19.5dB |
| Channel balance | 0.5dB | 0.5dB |
| Output power | 2x 80W @ 4Ω THD+N < 10% | |
| 2x 45W @ 8Ω THD+N < 10% | ||
| 2x 65W @ 4Ω THD+N < 1% | ||
| colspan=”2″2x 37W @ 4Ω THD+N < 1% | ||
| Adapter impedance | 4-8Ω | |
| General | |
|---|---|
| Supply voltage | 26VDC (power supply included) |
| Dimensions | 120 x 168 x 40mm |
| Color | Silver |
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