User’s Manual
74
SR 4.500 SR 5.600
POWER SUPPLY
Nominal power supply voltage / fuse 11 ÷ 15 VDC / 2 x 25A
Pulse Operating voltage 6.5 ÷ 17 VDC
Idling current 1.7 A
Idling current when off 0.09 mA
Consumption @ 14.4 VDC, MIN load
impedance (Max Musical Power)
40 A
Remote IN 6.5 ÷ 15 VDC (1 mA)
Remote OUT 6.5 ÷ 15 VDC (150 mA)
ART - Automatic Remote Turn on/off
from OUTPUT BTL speakers
1.5 ÷ 7 VDC
POWER SUPPLY
Nominal power supply voltage / fuse 11 ÷ 15 VDC / 2 x 25A
Pulse Operating voltage 6.5 ÷ 17 VDC
Idling current 2.2 A
Idling current when off 0.04 mA
Consumption @ 14.4 VDC, MIN load
impedance (Max Musical Power)
44 A
Remote IN 6.5 ÷ 15 VDC (1 mA)
Remote OUT 6.5 ÷ 15 VDC (150 mA)
ART - Automatic Remote Turn on/off
from OUTPUT BTL speakers
1.5 ÷ 7 VDC
AMPLIFIER STAGE
Distortion - THD @ 1 kHz, 4Ω, 70% Rated Power 0.08 %
Damping factor @ 1 kHz, 4Ω, 2 VRMS 200
Bandwidth @ -3 dB 10 Hz ÷ 35 kHz
S/N ratio (A weighted @ 1 V Input) 105 dBA
Pre-In sensitivity 0.2 ÷ 5 VRMS
Speaker-In sensitivity 0.8 ÷ 20 VRMS
Minimum load impedance
@ 4Ch: 2Ω
@ 3Ch: 2Ω + 2Ω + 4Ω
@ 2Ch: 4Ω
Output power (RMS) @14.4 VDC, 1% THD:
4Ch 130 W x 4 (4Ω)
4Ch 220 W x 4 (2Ω)
3Ch 120 W x 2 (4Ω) + 480 W x 1 (4Ω)
3Ch 220 W x 2 (2Ω) + 440 W x 1 (4Ω)
2Ch 450 W x 2 (4Ω)
AMPLIFIER STAGE
Distortion - THD @ 100 Hz , 4Ω, 70% Rated Power 0.02 %
Damping factor @ 1 kHz, 4Ω, 2 VRMS FRONT / REAR 100
Damping factor @ 100 Hz, 4Ω, 2 VRMS SUB 300
Bandwidth @ -3 dB FRONT / REAR; SUB
10Hz ÷ 35kHz
10Hz ÷
500Hz
S/N ratio (A weighted @ 1 V Input) 105 dBA
Pre-In sensitivity 0.2 ÷ 5 VRMS
Speaker-In sensitivity 0.8 ÷ 20 VRMS
Minimum load impedance
5 Ch: 2Ω
3Ch: 4Ω + 4Ω + 2Ω
Output power (RMS) @14.4 VDC, 1% THD:
5Ch 75 W x 4 + 330 W x 1 (4Ω)
5Ch 115 W x 4 + 550 W x 1 (2Ω)
3Ch 230 W x 2 (4Ω) + 310 W x 1 (4Ω)
3Ch 230 W x 2 (4Ω) + 550 W x 1 (2Ω)
INPUTS / OUTPUTS / FILTERS
Inputs Pre-In / Speaker-In
Outputs PRE OUT full range (Input A)
A Ch Filters:
Full
Hi-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct.
Lo-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct.
B Ch Filters:
Full
Hi-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct.
Lo-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct.
A Ch MONO IN (on/off) Yes
B Ch MONO IN (on/off) Yes
Bass Boost 50Hz (adjustable) B Ch (0 ÷12) dB.
SUB Remote Volume Control (B Ch) (-20 ÷ 6) dB
INPUTS / OUTPUTS / FILTERS
Inputs Pre-In / Speaker-In
Front Ch Filters:
Full
Hi-pass: 50 ÷ 5k Hz @ 12 dB/Oct.
Rear Ch Filters:
Full
Hi-pass: 50 ÷ 5k Hz @ 12 dB/Oct.
Band-pass: 50 ÷ 500 Hz (Hi) @ 12 dB/Oct.
50 ÷ 5 kHz (Lo) @ 12 dB/Oct.
SUB Ch Filters: Lo-pass: 50 ÷ 500 Hz @ 24 dB/Oct.
Bass Boost 50Hz (adjustable) (0 ÷12) dB
SUBSONIC (on/off) 25 Hz @ 24 dB/Oct.
SUB Remote Volume Control (-20 ÷ 6) dB
CEA SPECIFICATION
Output power @ 4Ω
1% THD+N, 14.4 V
125 W x 4 Ch
SN ratio (ref. 1 W output) 83 dBA
CEA SPECIFICATION
Output power @ 4Ω
1% THD+N, 14.4 V
75 W x 4 Ch + 300 W x 1 Ch
SN ratio (ref. 1 W output)
Front / Rear: 84 dBA
SUB: 75 dBA
SIZE
Max size (mm/inch) 264 x 155 x 47,5 / (10.39 x 6.10 x 1.87)
Weight (kg/lbs) 2,12 / 4.67
SIZE
Max size (mm/inch) 294 x 155 x 47,5 / 11.57 x 6.10 x 1.87
Weight (kg/lbs) 2,42 / 5.33
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