*) EXPANDER

1. 개요

본 기기는 DSP의 아날로그 입력 채널을 확장하기 위한 기기이며 다음과 같은 규격에 준한다.

2. 규격 및 사양

Sampling rate	: 48 kHz, ± 100 ppm

Frequency response (A/D)	: 20 Hz – 20 kHz, ± 0.5 dB

Channel separation (A/D)	: > 111 dB @ 1 kHz, +24 dBu

Dante cable	: Standard CAT6, maximum device to device	length = 100 meters

Connectors	: 3.81 mm terminal blocks

Number of inputs	: Twelve (12) switchable balanced mic or line	level

Nominal input level	: +4 dBu with 20 dB of headroom

Maximum input level	: +23 dBu

Mic pre-amp gain	: 0, 11.8, 24, 44 or 54 dB switchable

Mic pre-amp EIN	: < -127 dB with 150 Ohm source impedance

CMRR	: > 76 dB @ 1 kHz, unity gain

Input impedance	: 8k Ohms balanced, 4k Ohms unbalanced

Phantom power (per input)	: +48 VDC @ 10 mA maximum

Dynamic range	: > 116 dB, A-weighted

THD + Noise	: < -100 dB, unweighted; 1 kHz @ +22 dBu	with 0 dB gain

Latency	: 0.28 mS

Space Required	: 480.2 x 241.3 x 43.7 mm

Electrical	: 100-240 VAC, 50/60 Hz, 25W(max.)

* xIN 12 동급이상품