Hertz HCP4D – 4CH D CLASS AMP 4 X 85W @ 4 OHM

HCP 4D is a D Class car audio amplifier, able to offer up to 1160W (RMS); it is the ideal choice for those who want high power levels in complex systems. Extremely versatile, complete in its functions, provided with Speaker-In and RCA-In inputs to work with any head units, it has been designed to work also in mono (selectable mode), for a three-channel system with sub and front, or a powerful two-channels system. All the Hertz Compact Power amplifiers are assembled with high-quality components and feature a complete and by-passable crossover system. The dissipation system is optimized with the heat being transferred to the heat sink and then dissipated through the sides of the amplifier.

Features

• The extruded aluminium heatsink provides high efficiency thermal performance; using the top side of the heatsink to effectively dissipate the heat generated by the electronic components.
• Large array of filters customized for each model, to achieve maximum versatility: Lo-Pass, Hi-Pass, Band-Pass, Full Range, Subsonic, Bass Boost, Phase and Mono.
• Power supply stage features a multiple winding transformer and Low-ESR 105C capacitors, selected to ensure high efficiency and current capability.
• Automatic Remote Turn-On/Off function, automatically turns the amplifier on and off with the OEM radio; eliminates the need for a remote signal from the source when using the Speaker-In.

TECHNOLOGIES

REFINED HEATSINK WITH HIGH CONVECTION CAPABILITY. The extruded aluminum heatsink provides high efficiency thermal performance; using the top side of the heatsink to effectively dissipate the heat generated by the electronic components. The internal temperature remains constant at all power levels.

COMPLETED FILTER SECTION. Large array of filters customized for each model, to achieve maximum versatility: Lo-Pass, Hi-Pass, Band-Pass, Full Range, Subsonic, Bass Boost, Phase and Mono. Filtered pre-amplified outputs along with multiple adjustments are featured on the HCP 1D, offering the user endless connection possibilities with any source.

HCP ELECTRONICS. Special balanced input circuitry rejects electro-magnetic disturbances present on the Pre-amplified or Speaker level inputs. Power supply stage features a multiple winding transformer and Low-ESR 105°C capacitors, selected to ensure high efficiency and current capability.

ART. Automatic Remote Turn-On/Off function, automatically turns the amplifier on and off with the OEM radio; eliminates the need for a remote signal from the source when using the Speaker-In. This function can also be disabled.

OUTPUT POWER
Output Power (RMS) @ 14.4 VDC, THD 1%:

4 Ch: 75 W x 4 (4 Ω)
4 Ch: 130 W x 4 (2 Ω)
3 Ch: 75 W x 2 (4 Ω) + 260 W x 1 (4 Ω)
3 Ch: 130 W x 2 (2 Ω) + 260 W x 1 (4 Ω)
2 Ch: 260 W x 2 (4 Ω)
Output Power (RMS) @ 14.4 VDC, THD 10%:

4 Ch: 85 W x 4 (4 Ω)
4 Ch: 145 W x 4 (2 Ω)
3 Ch: 85 W x 2 (4 Ω) + 290 W x 1 (4 Ω)
3 Ch: 145 W x 2 (2 Ω) + 290 W x 1 (4 Ω)
2 Ch: 290 W x 2 (4 Ω)
CEA 2006-A Ratings:

RMS Power (4 Ω, ≤1 %THD + N, 14.4 V): 70 W x 4 Ch
S/N Ratio (ref. 1 W output): 80 dBA
Total Power 1160 W

INPUTS / FILTERS
INPUTS : PRE IN / SPEAKER IN
Pre out FULL range (FRONT): Yes
FRONT Ch. filters FULL: Yes
Hi-Pass: 50 ÷ 3.2k Hz @ 12 dB/Oct.
Lo-Pass: 50 ÷ 3.2k Hz @ 12 dB/Oct.
REAR Ch. filters FULL: Yes
Hi-Pass: 50 ÷ 3.2k Hz @ 12 dB/Oct
Lo-Pass: 50 ÷ 3.2k Hz @ 12 dB/Oct
FRONT Ch. MONO (on/off): Yes
REAR Ch. MONO (on/off): Yes
BOOST 50 Hz (adjust): (0 ÷ 12) dB

GENERAL SPECS
Channels 4 – 3 – 2
POWER SUPPLY

Power supply voltage / fuse: 11 ÷ 15 VDC / 2 x 20 A
Idling current (power ON/OFF) 1.6 A / 0.04 mA
Consumption @ 2 Ω, 14.4 VDC (Max Musical Power): 22 A
Remote In: 7 ÷ 15 VDC – 1 mA
ART Automatic Remote Turn-On/Off with Speaker-In
AMPLIFIER STAGE

Distorsion – THD (100 Hz @ 4 Ω) 0.02 %
Bandwidth: 10 ÷ 60K Hz
S/N Ratio (A weighted @ 1 V) 100 dB
Damping factor (100 Hz @ 4 Ω): 200
Pre-In sensitivity 0.2 ÷ 5 VRMS
Speaker-In sensitivity: 0.8 ÷ 20 VRMS
Load impedance (MIN)

@ 4 Ch: 2 Ω
@ 3 Ch: 2 Ω + 2 Ω + 4 Ω
@ 2 Ch: 4 Ω
Max size (mm / in.): 215 x 190 x 50 / 8.46 x 7.48 x 1.97
Weight (kg / lb.): 1.94 / 4.27
Adjustable Crossovers yes