Diamond SR 4.500.2

General Features:

POWER SUPPLY

• Power supply voltage / fuse 11 ÷ 15 VDC / 2 x 25A
• Operating power supply voltage 6.5 ÷17 VDC
• Idling current 1.7 A
• Idling current when off 0.09 mA
• Consumption @ 14.4 VDC, 2Ω, 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 (Selectable) 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 @ -1.5 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)
• INPUTS / OUTPUTS
• Inputs Pre-In / Speaker-In
• Outputs PRE OUT full range (Input A)
• Front Ch Filters:
• Full
• Hi-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct.
• Lo-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct.
• Rear Ch Filters:
• Full
• Hi-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct.
• Lo-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct.
• A/B Ch MONO IN (on/off) Yes
• Bass Boost 50Hz (adjustable) B Ch (0 ÷12) dB

SIZE

• Max size W x H x D (mm/inch) 264 x 155 x 47,5 / 10.39 x 6.10 x 1.87
• Weight (kg/lbs) 2,12 / 4.67