LD IMA 30, Руководство пользователя

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TECHNICAL DATA
Item number LDIMA30
Product type Installation mixing amplifier
Emergency input 1 balanced line input
Mic/Line inputs 2
Music sources 2 unbalanced stereo line 1 Bluetooth interface v4.0
Line outputs 1
Powered outputs 1 with output mode selector (Low-Z/High-Z)
Cooling system Convection cooling
Priority levels 4
Emergency Input
Nominal input sensitivity -6 dBu (Sine 1 kHz, Gain max)
Nominal input clipping 20 dBu (Sine 1kHz)
THD+N < 0.05% (SPK OUT, -6 dBu, 20-20 kHz, Gain max, 20 kHz BW)
< 0.01% (AUX OUT, -6 dBu, 20-20 kHz, Gain max, 20 kHz BW)
Frequency response 10 Hz – 20 kHz (Low-Z SPK OUT, -3 dB)
10 Hz – 20 kHz (AUX OUT, -3 dB)
Input Impedance 10 kohms (Balanced)
SNR >90 dB (SPK OUT, -6 dBu, CH Gain max (0 dB), Master Gain min (-inf), 20 kHz BW, a-weighted)
>87 dB (AUX OUT, -6 dBu, CH Gain max (0 dB), 20 kHz BW, a-weighted)
SNR (Best conditions) > 90 dB (SPX OUT, +18 dBu, Gain max (0 dB), Master Gain max (0 dB), 22 kHz BW, a-weighted)
>110 dB (AUX OUT, +18 dBu, Gain max (0 dB), 22 kHz BW, a-weighted)
CMRR > 48 dB (SPK OUT, AUX OUT, -6 dBu 1 kHz)
Gain -Inf to 29 dB
VOX Threshold 0%: Off, 25%: 1 dBu, 50%: -11 dBu, 100%: -28 dBu
Priority Contact closure +5VDC Normally Open for dry contact
Connector 1x 5.08mm Terminal Block 5-pin
Standby wake up threshold -40 dBu
Mic/Line inputs 1-2
Nominal input sensitivity Mic: -36 dBu (Sine 1 kHz, Gain max)
Line: +1 dBu (Sine 1 kHz, Gain max)
Nominal input clipping Mic: -17 dBu (Sine 1kHz)
Line: +19dBu (Sine 1kHz)
THD+N Mic: < 0.2% (SPK OUT, -38 dBu, 20-20 kHz, Gain max, 20 kHz BW)
< 0.2% (AUX OUT, -38 dBu, 20-20 kHz, Gain max, 20 kHz BW)
Line: < 0.1% (SPK OUT, +4 dBu, 20-20 kHz, CH Gain max, Master Gain max (0 dB), 20 kHz BW)
< 0.05% (AUX OUT, +4 dBu, 20-20 kHz, CH Gain max, 20 kHz BW)
Frequency response Mic: 170 Hz – 20 kHz (SPK OUT, -3 dB)
150 Hz – 20 kHz (AUX OUT, -3 dB)
Line: 19 Hz – 20 kHz (SPK OUT, -3 dB)
20 Hz – 20 kHz (AUX OUT, -3 dB)
Input Impedance Mic: 1.2 kohms (Balanced)
Line: 10 kohms (Balanced)
SNR Mic: >80 dB (SPK OUT, -38 dBu, Gain max (0 dB), Master Gain max (0 dB), 22 kHz BW, a-weighted)
>80 dB (AUX OUT, -38 dBu, Gain max (0 dB), 22 kHz BW, a-weighted)
Line: >85 dB (SPK OUT, +4 dBu, CH Gain max (0 dB), Master Gain max (0 dB), 20 kHz BW, a-weighted)
>89 dB (AUX OUT, +4 dBu, CH Gain max (0 dB), 20 kHz BW, a-weighted)
SNR (Best conditions) Mic: >90 dB (SPX OUT, -18 dBu, CH Gain max (0 dB), Master Gain (-20 dB), 20 kHz BW, a-weighted)
>100 dB (AUX OUT, -18 dBu, Gain max (0 dB), 20 kHz BW, a-weighted)
Line: >90 dB (SPX OUT, +18 dBu, CH Gain max (0 dB), Master Gain (-14 dB), 20 kHz BW, a-weighted)
>103 dB (AUX OUT, +18 dBu, CH Gain max (0 dB), 20 kHz BW, a-weighted)
CMRR Mic: > 40 dB (SPK OUT, AUX OUT, 1 kHz)
Line: > 45 dB (SPK OUT, AUX OUT, 1 kHz)