Beyerdynamic MA 212 Optional Accessories, Technical Specifications, Microphone inputs, Line input

7.Optional Accessories

Different desktop microphone units and microphones

ZA 2 Transparent cover for the operating controls

and indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Order # 453.005 ZE 100 Retrofit item for earth-fault control . . . . . . . . . . . . . . Order # 453.781

8.Technical Specifications

Frequency response . . . . . . . . . . . . . 55 - 18,000 Hz

Distortion (THD) . . . . . . . . . . . . . . . . ≤ 0.08%

Signal to noise ratio . . . . . . . . . . . . . -75 dB

Microphone inputs

Characteristics . . . . . . . . . . . . . . . . . . electronically balanced Input impedance. . . . . . . . . . . . . . . . 600 Ω

Pre-amplification . . . . . . . . . . . . . . . 1 - 100 mV (-58 dBm - -18 dBm), adjustable Phantom power . . . . . . . . . . . . . . . . 0 - 24 V, adjustable for Mic 1 and 2 Connection . . . . . . . . . . . . . . . . . . . . 3-pin XLR

Priority control . . . . . . . . . . . . . . . . . Ducking function on Mic 1 and 2, 0 - -40 dB attenuation, adjustable first priority for Mic 1,

second priority for Mic 2 over the other inputs

Universal input

Microphone

Characteristics . . . . . . . . . . . . . . . . . . unbalanced Input impedance. . . . . . . . . . . . . . . . 2 kΩ Pre-amplification . . . . . . . . . . . . . . . 3 mV, fixed

Connection . . . . . . . . . . . . . . . . . . . . 1/4" jack; top = AF signal; shaft = AF ground

AUX

Characteristics . . . . . . . . . . . . . . . . . . unbalanced

Input impedance. . . . . . . . . . . . . . . . 47 kΩ

Pre-amplification . . . . . . . . . . . . . . . 250 mV (-10 dBm), fixed

Connection . . . . . . . . . . . . . . . . . . . . 2 x RCA (phono)

Line input

Characteristics . . . . . . . . . . . . . . . . . . unbalanced

Input impedance. . . . . . . . . . . . . . . . 47 kΩ

Input level. . . . . . . . . . . . . . . . . . . . . 775 mV (0 dBm)

Connection . . . . . . . . . . . . . . . . . . . . 2 x RCA (phono)

Equalisation

Bass . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Hz, ± 9 dB

Treble . . . . . . . . . . . . . . . . . . . . . . . . 10 kHz, ± 9 dB

Bass filter . . . . . . . . . . . . . . . . . . . . . 24 dB/55 Hz

Treble filter . . . . . . . . . . . . . . . . . . . . 24 dB/18 kHz

30