HERTZ SP4.900

HERTZ SP4.900
• Up to 85% efficiency thanks to ADC (Advanced D-Class) output stage
• USS (Universal Speakers Simulators) allows SP 4.900 to work with head units
featuring the “speaker load detection” circuit
• 160 x 4 (4?) with ultra-compact size (211,6 x 130 mm)
• IP55 aluminum chassis for maximum protection against humidity and external agents
• No cooling fan to prevent internal accumulation of dirt
• Sealed power cord, line inputs, and speaker outputs to prevent oxidation
• Crossovers filters and controls on a single side to facilitate calibration when the product is installed
General Specifications -
• 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, 4?, 70% Rated Power: 0.02%
• Damping factor @ 1 kHz, 4?, 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
Output Power -
• Output Nominal Power (RMS) @ 14.4 VDC, THD 1%:
• 4 Ch: 160 W x 4 (4?)
• 4 Ch: 250 W x 4 (2?)
• 3 Ch: 160 W x 2 (4?) + 500 W x 1 (4?)
• 3 Ch: 250 W x 2 (2?) + 500 W x 1 (4?)
• 2 Ch: 500 W x 2 (4?)