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TOPPING PA3s MA12070x2 fully Class D zilver NIEUW

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• € 149,-
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• TOPPING PA3s MA12070x2 fully Class D balanced amplifier TRS balanced RCA single-end input power amplifier 80wx2 hifi digital amp.

   

  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.

   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.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

   

   

   

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