Hertz SP4900

Description

SP 4.900 is the first Hertz amplifier featuring the renewed Hertz ADC (Advanced D-Class) output stage, reaching up to 85% efficiency and delivering an impressive power rating of 160 x 4 (4Ω) W RMS or 500 W x 2 (4Ω) W RMS when bridged, with an ultra-compact size of 211.6 (8.3) x 130 (5.1) mm (in.). Being ultra-compact with impressive power, SP 4.900 is the ideal choice for Motorcycle application and for under-seat in sports cars and behind-seat installations in trucks.

General Specs
Channels 4 – 3 – 2
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
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
IP Rating IP55
Operating Temperature Range 0°C (32°F) to 55°C (131°F)
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
Adjustable Crossovers yes
Output Power
Output Nominal Power (RMS) @ 14.4 VDC, THD 1%:
4 Ch: 160 W x 4 (4Ω)
4 Ch: 250 W x 4 (2Ω)
3 Ch: 160 W x 2 (4Ω) + 500 W x 1 (4Ω)
3 Ch: 250 W x 2 (2Ω) + 500 W x 1 (4Ω)
2 Ch: 500 W x 2 (4Ω)
Total Power RMS 1000 W