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Audison SR 4 - Comprehensive Technical Specifications; Power Supply Specifications; Amplifier Stage Specifications; Input;Output and Filter Specifications

Audison SR 4
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TECHNICAL SPECIFICATIONS
Output Power @
4 Ω, 1% THD+N, 14.4 V: 60 W x 4 Ch
S/N ratio (ref. 1W output):
60 W Channels: 83 dBA
CEA Specifications
Power Supply
Voltage: 11÷15 VDC
Idling current: 0.7 A
Switched off: <0.01 mA
Remote IN voltage: 7÷15 VDC (1 mA)
Remote OUT voltage: 11÷15 VDC (15 mA)
Internal fuse (AFS): 30 A
Consumption @ 14.4 VDC, 2 Ω,
Max Musical Power: 24 A
Inputs/Outputs/Filters
Inputs Pre IN / Speaker IN
Output Pre
A Ch Filter Full / Hi-pass: 50 ÷ 5k Hz @ 12 dB/oct
B Ch Filter Full / Hi / Lo-pass: 50 ÷ 5k Hz @ 12 / 24 (L+R) dB/oct
Size
WxHxD (mm/inches) 213 x 53.5 x 408 / 8”
7/16
x 2”
1/8
x 16”
1/16
Weight (kg/lb) 3.3 / 7.28
Amplifier stage
Distortion - THD @ 1 kHz, 4 Ω, 90% Power: 0.08 %
Bandwidth @ -3 dB, 2 VRMS, 4 Ω: 15 ÷ 50k Hz
S/N ratio @ A weighted, 1 V, Max Power: 104 dB
Damping factor @ 1 kHz, 2 VRMS, 4 Ω: 110
Input sensitivity (PRE IN): 0.3 ÷ 5 VRMS
Input sensitivity (SPEAKER IN): 1 ÷ 15 VRMS
Input impedance (PRE IN): 15 kΩ
Input impedance (SPEAKER IN): 100 Ω
Load impedance (Min):
4 Ch 2 Ω
2 Ch 4 Ω
Nominal power (RMS) @12 VDC; 1% THD, 4 Ω: 45 W x 4
Output power (RMS) @14.4 VDC; 1% THD:
4 Ch @ 4 Ω 65 W x 4
4 Ch @ 2 Ω 90 W x 4
3 Ch @ 4 Ω 60 W x 2 + 190 W x 1
2 Ch @ 4 Ω 175 W x 2
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