Topping PA3s Balanced Class D Amplifier

$269.00 inc GST


Topping offers with its PA3s Balanced Class D Amplifier 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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SKU: PA3s Categories: , , , EAN: 6974268481106 Brand: GTIN / EAN: 6974268481106
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01/17/2022

Powers 3030i's Easily

My first foray into stereo systems. Powers Q Acoustic 3030i's easily with tons of headroom. Sounds great to my ear.

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Andre V.
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Description

Topping PA3s Balanced Class D Amplifier

Topping offers with its Topping PA3s Balanced Class D Amplifier as 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.

 

Features

Topping PA3s Class D Balanced 2x MA12070 2x65W 4Ω
The PA3s Balanced Class D Amplifier 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 Balanced Class D Amplifier 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.

 

SPECIFICATIONS

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 Black

Additional information

Weight 1 kg
Dimensions 16.8 × 12 × 4 cm
Brand

Topping

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