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 B eyerdynamic A1 Headphone amplifier

a1 beyerdynamic head phone amplifier


The A 1 lets your high-end headphones unleash their full performance reserves and gives them independence from the sound and volume influences of other devices in the audio system.

The A 1 is specially harmonised to the needs of audiophile-quality headphones from 32 to 600 Ohms and stands out for top precision and famous ‘made in Germany’ craftsmanship. The generously dimensioned power adaptor with a toroidal core transformer ensures powerful deep bass reproduction no matter what the situation. The ultra-linear frequency response of up to 100 kHz makes the A 1 especially suitable for the reproduction of high-definition media like SACD and other HD audio sources.

On the inside, the A 1 is hand-built from discrete electronic components. The front panel and volume control are produced from solid aluminium, with an ALPS precision potentiometer used to control volume. The A 1 has two separate inputs, with silent push buttons for switching between them. Input 1 features additional output jacks for problem-free integration of the A 1 into existing signal channels.



• Intelligent circuit design with microcontroller capable of 96 kHz

• Volume control with high-grade ALPS potentiometer

• Two blue LEDs indicate the active signal input

• Multicolour power LED

• Headphone socket, 1/4" (6.35 mm) stereo jack

• Two stereo audio inputs for two sound sources (RCA)

• Two buttons to select the sound source

• Stereo output (RCA)

• Stand-by butto


Technical Specifications:

  • Input impedance: 50 kO
  • Maximum amplification: 18 dB
  • Frequency response: 1 Hz - 100 kHz (-1 dB)
  • T.H.D.: 0.001% at 170 mW / 250O
  • Channel separation: > 89 dB
  • Output power: 100 mW / 600O, 170 mW / 250O, 150 mW / 30O
  • Unweighted signal-to-noise ratio: > 100 dB
  • Output impedances: Line Out (depending on the connected device), 100O headphone output
  • Supply voltage: 220 - 240 V
  • Power consumption: < 15 W via internal, controlled power pack
  • Audio connections: Headphone socket, 1 Line output, 2 Audio inputs (gold-plated RCA sockets)
  • Dimensions: 250 x 225 x 50 mm
  • Weight: approx. 2.3 kg

Price $1499.00 inc gst and delivery

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