TOPPING PA3S Amplifier Class D Balanced 2x MA12070 2x65W 4 Ohm Black

TOPPING PA3S Amplifier Class D Balanced 2x MA12070 2x65W 4 Ohm New
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.

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Reference : 15658
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124,17 €tax excl.

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Shipping date: 28-10-2021.

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Topping PA3s

Amplifier Class D Balanced 2x MA12070 2x65W 4 Ohm Black

Topping PA3s Amplificateur Class D Symétrique 2x MA12070 2x65W 4Ω

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.

Topping PA3s Amplificateur Class D Symétrique 2x MA12070 2x65W 4Ω
Topping PA3s Amplificateur Class D Symétrique 2x MA12070 2x65W 4Ω

Class D balanced amplifier 2x MA12070

The PA3s is based on a pair of Infineon Merus MA12070 Class D amplifier chips, allowing to develop a power of 2x65W under 4Ω or 2x37W under 8Ω with high efficiency. Moreover, this balanced architecture, with one chip per channel, allows to reduce considerably the crosstalk for a precise restitution. The heat is dissipated by a large radiator covering the two amplifier chips.

Balanced & single-ended inputs

The PA3s offers a dual input to suit all needs and systems. There is a single-ended stereo RCA input and a balanced dual 6.35mm TRS jack input. The use of the balanced input eliminates any possible ground loop problems to promote a clear sound. The inputs are selectable directly from the front panel button.

Topping PA3s Amplificateur Class D Symétrique 2x MA12070 2x65W 4Ω
Topping PA3s Amplificateur Class D Symétrique 2x MA12070 2x65W 4Ω



Topping PA3s review by Audio Science Review (Amir)

" Here, it seems they have taken a standard platform and really optimize it as they do with their DACs. This shows in very low noise level, nice crosstalk and excellent frequency response. "
Test du Topping PA3s par Audio Science Review (Amir)


Technical characteristics

Specifications
Product typeAmplifier
Amplifier typeClass D
Amplifiction chips2x Infineon MA12070
Inputs1x Single-ended stereo RCA
1x Balanced stereo Jack 6.35mm
OutputSpeaker terminals
Measurements
Single-ended inputBalanced 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-Weighting107dB112dB
Dynamic range @ 1kHz, A-Weighting107dB112dB
Frequency response20Hz-40kHz (±0.1dB)20Hz-40kHz (±0.1dB)
Output level46Vpp @ 4Ω46Vpp @ 4Ω
48Vpp @ 8Ω48Vpp @ 8Ω
Noise (A-Weighting)< 70µVrms< 70µVrms
Crosstalk @ 1kHz-96dB-100dB
Input sensitivity0.92Vrms1.75Vrms
Gain25.2dB19.5dB
Channel balance0.5dB0.5dB
Output power2x 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 impedance4-8Ω
General
Supply voltage26VDC (power supply included)
Dimensions120 x 168 x 40mm
ColorBlack
Topping PA3s Amplificateur Class D Symétrique 2x MA12070 2x65W 4Ω Topping PA3s Amplificateur Class D Symétrique 2x MA12070 2x65W 4Ω
 
Data sheet
InputRCA
InputJack 6.35mm
OutputSpeaker terminal
ColorBlack
Channel2 (Stereo)
ClassClass D / T
Amplifier chipInfineon MA12070
Power (W)65.0
 
Delivery
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TOPPING PA3S Amplifier Class D Balanced 2x MA12070 2x65W 4 Ohm Black
Topping offers with its PA3s a small balanced Class D amplifier, simple, powerful and affordable. It is based on two Infineon MA12070 amplifier...

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