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User’s Manual
55
SP 4.900
POWER SUPPLY
Nominal power supply voltage 11 ÷ 15 VDC
Pulse Operating voltage 6 ÷ 16 VDC
Idling current 1.1 A
Idling current when off 0.03 mA
Consumption @ 14.4 VDC, MIN load
impedance (Max Musical Power)
50 A
Remote IN 6 ÷ 15 VDC (9 mA)
DC-REM - Remote Turn on by SPK DC
from OUTPUT BTL speakers
3.5 ÷ 7 VDC
AMPLIFIER STAGE
Distortion - THD @ 1 kHz, 4Ω, 70% Rated Power 0,02%
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 0.6 ÷ 6 VRMS
Speaker-In sensitivity 2.2 ÷ 22 VRMS
Minimum load impedance
@ 4Ch: 2Ω
@ 3Ch: 2Ω + 2Ω + 4Ω
@ 2Ch: 4Ω
Output power (RMS) @14.4 VDC, 1% THD:
4Ch 160 W x 4 (4Ω)
4Ch 250 W x 4 (2Ω)
3Ch 160 W x 2 (4Ω) + 500 W x 1 (4Ω)
3Ch 250 W x 2 (2Ω) + 500 W x 1 (4Ω)
2Ch 500 W x 2 (4Ω)
INPUTS / OUTPUTS / FILTERS
Inputs Pre IN / Speaker IN
Ch 1-2 Filters:
Full
Hi-pass: 50 ÷ 5k Hz @ 12 dB/Oct.
Lo-pass: 50 ÷ 5k Hz @ 12 dB/Oct.
Ch 3-4 Filters:
Full
Hi-pass: 50 ÷ 5k Hz @ 12 dB/Oct.
Lo-pass: 50 ÷ 5k Hz @ 12 dB/Oct.
Bass Boost 45Hz (adjustable) OUT 3 -4 (0 ÷ 8 dB) [LP = ON only]
CEA SPECIFICATION
Output power @ 4Ω
1% THD+N, 14.4 V
145 W x 4 Ch
SN ratio (ref. 1 W output) 81 dBA
SIZE / WEIGHT
Max size (mm/inch) 211.6 x 130 x 49 / 8.33 x 5.118 x 1.929
Weight (kg/lbs) 2.15
/ 4.74
GENERAL
IP Rating IP55
Operating Temperature Range 0°C (32°F) to 55°C (131°F)
9
TECHNICAL SPECIFICATIONS
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