Pioneer A-20-K Stereo Integrated Amplifier

Brand: Pioneer
Product Code: PIO-A-20-K
Warranty: 12 Months
$699.00 $599.00
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Simplicity. Finesse. Performance.

The A-20 Direct Energy Design amplifiers with Symmetrical Construction offer class-leading, high quality sound, wrapped in understated, technical elegance.

The polished, brushed aluminum front panel comes with control knobs for Volume, Bass, Treble, Balance and Input Source selection. A range of tactile buttons finetune Loudness, Direct Mode and Speaker A/B. The rear panel provides immediate connectivity to Aux-In, Network, Recorder, Speaker A + B and 'Source Direct Mode' devices.

Design & Build

  • Direct Energy Design Amp
  • Symmetrical Power Amp
  • Clean Ground Construction
  • Isolated Power Supply
  • Source Direct Mode
  • Trans-Stabilizer
  • Speaker A, B, A+B Selector
  • Aluminium Panels
  • Auto Power Down


  • Analogue Audio Input (Phono (MM), Tuner, SACD/CD, Aux, Network, Recorder)
  • Audio Output (Recorder, Phones)
  • SR In/Out
  • AC Inlet
Power 50 W + 50 W (20 Hz - 20 kHz, 0.1% THD, 4 Ohms)
30 W + 30 W (20 Hz - 20 kHz, THD 0.05%, 8 Ohms)
THD 0.01% (Rated Output -3 dB, 8 Ohms, 1 kHz)
Guaranteed Speaker Impedance (2 Speaker Terminals) 4-16 Ohms (A or B), 8-32 Ohms (A+B), 4-16 Ohms (Bi-Wiring)
Frequency Response 5 Hz - 100 kHz, 0 dB/-3 dB, 20 Hz - 20 kHz, ±0.5 dB (RIAA Eqalisation) MM
Power Requirements AC 220-230 V 50 Hz
Power Consumption 135 W
Power Consumption During Standby 0.3 W
Dimensions (W x H x D) 435 x 128 x 360 mm
Weight 7.2 kg
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