SR 1D - Audison Monoblock 640W RMS Power Amplifier with Crossover (New)

Description

SR 1D - Audison Monoblock 640W RMS Power Amplifier with Crossover (New).ooen box Shipped with USPS Priority Mail.
Nominal power (RMS) @12 VDC; 1% THD :
4 Ch @ 4 Ω 200 W x 1
Output power (RMS) @14.4 VDC; 1% THD:
1 Ch @ 4 Ω 280 W x 1
1 Ch @ 2 Ω 460 W x 1
1 Ch @ 1 Ω 640 W x 1
Dimensions WxHxD (inches): 8”7/16 x 2”1/8 x 11”3/8
PRE-OUT pass-through from high level SPEAKERS-IN input
Removable panel to hide and protect controls
Monoblock aluminium heatsink construction
Fanless convection cooling system
Strip fuse located on the control panel for easy replacement
Connections: Power supply terminals accepts 7 mm diameter (4 AWG) cable, Speaker terminals accepts 4.5 mm diameter (8 AWG) cables, Hi Level speaker and remote turn-on terminals equipped with removable connectors with screw fastening
“D” class topology, delivering 280W at 4 ohms and 640W power at 1 ohm
Phase control switch
Selectable Subsonic Filter
Bass Boost Filter
Continuosly adjustable LO-pass 24dB
Power Supply:
Power supply voltage: 11÷15 VDC
Idling current: 1 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): 40 A
Consumption @ 14.4 VDC, 1 Ω,
Max Musical Power: 33 A
Amplifier Stage:
Distortion - THD (100 Hz @ 4 Ω): 0.3 %
Bandwidth (-3 dB): 18 ÷ 500 Hz
S/N ratio (A weighted, 1 V): 90 dB
Damping factor (100 Hz @ 4 Ω): 150
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):
1 Ch 1 Ω
Input/Filters:
Inputs Pre IN / Speaker IN
Output Pre
Filter LO-pass: 50 ÷ 500 Hz @ 24 dB/oct
Subsonic 25 Hz @ 24 dB/oct
Boost + 6 dB; + 3 dB; OFF / @ 45 Hz
Phase Control 0° - 180°