Beyerdynamic A1 - 12393

Beyerdynamic A1


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Previo de auriculares.


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 button

Supplied Accessories
• Special cloth for cleaning and protecting the A 1
• High-quality stereo RCA cables
• Power cable

Technical Specifications

    Input impedance: 50 kÙ
    Maximum amplification: 18 dB
    Frequency response: 1 Hz - 100 kHz (-1dB)
    THD (total harmonic distortion): 0,001 % at 170 mW/ 250 Ù
    Channel separation: > 89 dB
    Output power @ 600 Ù: 100 mW
    Output power @ 250 Ù: 170 mW
    Output power @ 30 Ù: 150 mW
    Signal to noise ratio: > 100 dB
    Power consumption :< 15 W internal, controlled power adapter
    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


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