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Beyerdynamic A1 Headphone Amplifier - Charcoal Grey

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  • What Hi-Fi? Award Winner 2010: Best headphone amplifier £500+

  • Precise audio performance perfect for demanding high impedance headphones

  • Intelligent circuit design with stereo output

  • Big volume control with high-grade ALPS potentiometer

  • Two stereo inputs for 2 sound sources & 2 selector buttons

Beyerdynamic A1 Headphone Amplifier - Charcoal Grey

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Beyerdynamic A1

With the introduction of the A1, Beyerdynamic enters a new area of audio reproduction. After intense fundamental research, Beyerdynamic have succeeded in developing a brand new audiophile-quality headphone amplifier, providing precise audio performance even when used with demanding 600 ohm headphones. With its unique intelligent-circuit concept, the A1 is capable of reproducing an amazingly wide frequency range which stretches way above human perception.

Underneath the large front-panel-mounted aluminium volume control of the A1 from Beyerdynamic is a high grade ALPS-potentiometer for smooth volume adjustment. This is just part of the attention to detail that ranges from the outer unit construction to its quality integral components - use of a generously-dimensioned toroidal core transformer, plus a combination of carefully selected components in the A1 allows even the highest-impedance headphones to be driven flawlessly over the entire frequency range. The provision of a special impedance headphone output ensures that the control range of the volume potentiometer is also ideal for headphones with lower impedance.

The first of the two provided line-ins is hardwired to the A1 line out. The result allows the incoming signal to be looped through even with the A1 in standby mode. So you only have to power up the A1 if you want to increase the enjoyment of your music using your headphones. Two blue LEDs in the front panel monitor the active signal input, with a further multicolour LED giving information about the A1's operating status.

The Beyerdynamic A1 - The uncompromising "true companion" for your headphones and a pure masterpiece in audio achievement.

Beyerdynamic A1 Headphone Amplifier with DT990 Headphones

Beyerdynamic A1 High-Definition Headphone Amp shown here with DT990 Headphones.

Beyerdynamic A1 Features

  • Intelligent Circuit Design
  • Noiseless Signal Switching
  • Noiseless Power Up/Down
  • Big volume control with high-grade ALPS potentiometer
  • 2 LEDs to indicate the active signal input
  • Multicolour Power LED
  • 1/4" headphone socket (6.35 mm)
  • Two stereo inputs for 2 sound sources, 2 selector buttons
  • Stereo output
  • Stand-by button

Beyerdynamic A1 Amplifier Reviews

What Hi-Fi? Award Winner 2010: Best Headphone Amplifier £500+

 What Hi-Fi? Award Winner 2010: Best Headphone Amplifier £500+

"There are two parts to this review: Beyerdynamic's T1 headphones, paired with Beyerdynamic's A1 headphone amplifier. If you want to hear every last nuance of sound from a recording, we haven't come across a better way of doing it than this Beyerdynamic combination."

"Certainly, no sub-£20,000 amp and speaker pairing we've heard has got anywhere near unravelling a complex recording as well as this duo. "

Beyerdynamic A1 Headphone Amplifier Back View

Technical Specifications

  • Input impedance: 50 kΩ
  • Maximum amplification: 18 dB
  • Frequency response: 1 Hz - 100 kHz (-1dB)
  • THD (total harmonic distortion): 0,001 % at 170 mW/ 250 Ω
  • Channel separation: > 89 dB
  • Output power @ 600 Ω: 100 mW
  • Output power @ 250 Ω: 170 mW
  • Output power @ 30 Ω: 150 mW
  • Signal to noise ratio: > 100 dB
  • Power consumption :< 15 W internal, controlled power adaptor 
  • Dimensions: 250 x 225 x 50 mm
  • Audio connections: Headphone out (1/4") jack gold plated, 1 line out, 2 line in (gold plated RCA jacks)
  • Nominal power: 220 - 240 V/ 50 - 60 Hz
  • Weight: Approx. 2.3 kg

Package Includes

  • Beyerdynamic A1 Audiophile High-Definition Headphone Amplifier in Charcoal Grey
  • Special cloth for cleaning and protecting
  • High-quality stereo RCA cables
  • Power cable

Beyerdynamic A1 Headphone Amplifier with Accessories

Product TypeHeadphone Amplifier
Feature KeywordHi-Fi, Professional, Studio, Volume Control
Recommended UseHi-Fi, Studio
Manufacturer Warranty1 Year
Included AccessoriesSpecial cloth, High-quality stereo RCA cables, Power cable
Part Number484.326

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