I have 2 pieces connected as biamping. And it plays great. Preamplifier ADI-2 DAC FS.
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Class D Balanced Amplifier 2x125W 4Ω Silver
Topping offers with the PA5 a compact yet powerful and high performance balanced amplifier. It integrates a new generation of optimized Class D amplifier circuit capable of delivering a power of 2x125W under 4Ω, with a high efficiency. This new circuit offers a precise, neutral and rich sound reproduction, with a totally inaudible background noise. The balanced design of the PA5 also allows it to considerably limit its noise level and cancel ground loops.
The PA5 does not overdo its connectivity but proposes a simple and efficient connectivity. Thus, it offers two balanced inputs in 6.35mm TRS stereo jack format. The output is simply done on speaker terminals.
Specifications | |
---|---|
Product type | Amplifier |
Inputs | 2x Balanced stereo Jack TRS 6.35mm |
Output | Speaker terminals (BTL output) |
Output power | 2x140W @ 4Ω, THD+N < 10% 2x125W @ 4Ω, THD+N < 1% 2x85W @ 8Ω, THD+N < 10% 2x65W @ 8Ω, THD+N < 1% |
Display | LED |
THD+N @ 1kHz, A-Weighting | < 0.0005% @ 4Ω 5W < 0.0004% @ 8Ω 5W |
THD+N @ No-Weighting (20kBW) | < 0.0015% @ 4Ω 5W < 0.0006% @ 8Ω 5W |
SNR @ A-Weighting | 124dB |
Plage dynamique @ A-Weighting | 124dB |
Frequency response | 20Hz-40kHz (±0.3dB) |
Output level | 65Vpp @ RL=4Ω 68Vpp @ RL=8Ω |
Noise @ A-Weighting | < 16µVrms |
Crosstalk @ 1kHz | -106dB |
Input sensitivity | 2.6Vrms |
Gain | 19.1dB |
Channels balance | 0.1dB |
Output impedance | < 0.01Ω |
Adapter impedance | 3-8Ω |
General | |
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Supply voltage | 38VDC 4A |
Standby consumption | < 0.1W |
Housing material | Aluminum |
Dimensions | 166 x 129 x 41mm |
Weight | 680g |
Package | 1x Topping PA5 1x Power supply |
Input | Jack 6.35mm |
Output | Speaker terminal |
Color | Silver |
Channel | 2 (Stereo) |
Class | Class D / T |
Amplifier chip | N/A |
Power (W) | 125.0 |
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