AUDIO MIXER

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(1) 기능

본 기기는 공연에 적합한 오디오 믹서로 multi-bus routing, on board 디지털 효과를 제공하며, 이 기능들은 고품질 디지털 레코딩을 구현하여야 한다. 또한 뮤지션들과 라이브사운드 엔지니어들이 만족할 만한 성능을 가지고 있으며 아래와 같은 사양에 준한다.

(2) 기기특성

[Mono channel(Ch. 1)]

- Microphone input	: Electronically balanced,
discrete input configuration

- Frequency response	: 20Hz to 22kHz, +/-1dB

- Distortion(THD & N)	: ≦ 0.005% at +4dBu, 1kHz

- Gain range	: 0dB to 44dB(mic)

- Maximum voltage gain	: 74dB ch. mic input
→ main mix out & tape out,
80dB ch.
mic input → control room &
phones

- SNR(Signal to Noise Rate)	: ≧ 110dBu

- Phantom power(mic pin2/pin3 and pin1)	: +18V

- Line input	: Electronically balanced

- Frequency response	: 20Hz to 22kHz, +/-1dB

- Distortion(THD & N)	: ≦ 0.005% at +4dBu, 1kHz

- Gain range	: 15dBu to 30dBu

[Stereo channels(ch. 2~5)]

- Line input	: Electronically balanced

- SNR(Signal to Noise Ratio)	: ≧ 110dBu

- Frequency response	: 20Hz to 22kHz, +/-1dB

- Distortion(THD & N)	: ≦ 0.005% at +4dBu, 1kHz

- Gain range	: 0dBu

- Maximum voltage gain	: 30dB ch. line → main mix out

[Impedance]

- Microphone input	: 3.9kohms

- All other input	: 10kohms or greater

- Tape out	: 1kohms

- All other outputs	: 120ohms

[Equalization]

- Mono channel	: High ±15dB @12kHz,
Low ±15dB @80Hz

[Crosstalk]

- Adjacent input	: ≦ -80dB @1kHz(ch. 1~6)

- Input to output	: ≦ -75dB @1kHz(stereo L/R,
ch. 1~4, pan; panned hard left or
right)

[Main mix section]

- Output level	: 0dBu unbalanced, 1/4" jacks

- Max out	: +22dBu unbalanced, 1/4" jacks

- Noise(bus noise)	: ≦ -90dB @20Hz~22kHz(channel &
main level at 0dB, other at
minimum, DSP mute)

[Power and dims]

- Power supply	: 18V, 500mA

- Rated power consumption	: 9W

- Dimensions(WxLxH)	: 128.1mm x 204mm x 38mm

- Weight	: 1.65lb

** ZMX52 또는 동등 이상품 이어야 한다.