Accuphase A-20

Data

General

• Manufacturer: Accuphase
• Model: A-20
• Type: Class A stereo power amplifier
• Years of manufacture: 1995 - 2000
• Made in: Japan
• Color: Gold
• Remote control: no
• Power consumption: 250 W max.
• Dimensions: 475 x 170 x 427 mm (WxHxD)
• Weight: 21.6 kg
• Original price approx.: 9'000 DM

Connections

• Number of inputs:
  • Analog (Cinch):
    • Rated power: 0.5 V (stereo) or 1 V (mono) at 20 kOhm.
    • at 1 Watt: 0.11 (stereo, mono) at 20 kOhm
  • Balanced (XLR): 0.50 V, 40 kOhm (stereo, nominal load)
    • Rated power: 0.80 V (stereo) or 1.59 (mono) at 40 kOhm
    • at 1 Watt: 0.11 (stereo, mono) at 40 kOhm
• Number of outputs:
  • 1 pair of speakers

Technical Data

• Continuous power (at distortion factor)
  • 8 Ohm: 2x 20 W, 1x 80 W
  • 4 Ohm: 2x 40 W, 1x 160 W
  • 2 Ohm: 2x 80 W
• Dynamic power/music power
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion:
  • Stereo mode: 0.05% (3 ohms), 0.02% (4-16 ohms).

Mono operation: 0.02% (4-16 Ohm)

• Attenuation factor: 120
• Frequency response:
  • Rated power: 20 - 20,000 Hz (+0, -0.2 dB).
  • at 1 Watt: 0.5 - 160,000 Hz (+0, -3 dB)
• Signal-to-noise ratio: 110 dB

Special Features

• Gain adjustable: MAX, -6 dB, -12 dB
• Operating modes: Dual Mono, Normal, Bridge

Remarks

• Other models of the same series:
• Integrated amplifier
• Accuphase E-211
• Accuphase E-306 V
• Accuphase E-406 V

• [[Preamplifier
• Accuphase C-265
• Accuphase C-275
• Accuphase C-290 V
• Accuphase DC-300

• [[Power Amplifier
• Accuphase A-20
• Accuphase A-50 V
• Accuphase P-450
• Accuphase P-550
• Accuphase P-700
• Accuphase M-2000

• [[Tuner
• Accuphase T-109

• CD player
• Accuphase DP-55
• Accuphase DP-65 V
• Accuphase DP-75
• Accuphase DP-90

• [[Digital Processor
• Accuphase DC-61
• Accuphase DC-91

• [[Digital Voicing Equalizer
• Accuphase DG-28

• Electronic Crossover
• Accuphase F-20
• Accuphase F-25

• Clean power supply
• Accuphase PS-500
• Accuphase PS-1200

Pictures

• Extract from brochure: Accuphase A-20