Hertz HMD8 DSP 8 Channel Marine Amplifier with DSP

The HMD8 DSP, powered by Hertz Marine DSP technology, rich new highs of listening pleasure during navigation. DSP user friendly PC-Software interface make the setup process a breeze, exploiting every single pills of performance from the installed speaker system. The amazing power of 8 * 85 W or 4 * 260 W (RMS@ 4) gives the HMD 8DSP the capability to drive with authority the complete speaker system generating tons of crystal clear SPL up to 3 different zone of the vessel. “Power for the Waves design philosophy features a sturdy enclosure made of extruded aluminum with an anti-corrosion treated PCB to ensure years of listening pleasure in open water.

HMR BT features Bluetooth v5.0 and Qualcomm aptX audio codec, assuring hi-performance wireless audio with a connection range of up to 35 ft. (10 m), allowing your smartphone to be kept safely away from water.

Specs

General Specifications
POWER SUPPLY
Operating power supply voltage 11 15 VDC / 2 x 30A
Power supply 6.5V 17V
Idling current 1.6 A
Switched off 1.7mA
Consumption @ 14.4 VDC, 2, Max Musical Power 55 A
Remote IN voltage 6 15 VDC (1 mA)
Remote OUT voltage 4 15 VDC (150 mA)

Audio Specifications
AMPLIFIER STAGE
Distortion – THD @ 1 kHz, 4, 70% Rated Power 0.06%
Damping factor @ 1 kHz, 4, 2 VRMS > 110
Bandwidth @ -1.5 dB 10Hz 22kHz
S/N ratio (A weighted @ 1 V Input) Master Input 100 dBA
S/N ratio (A weighted @ 1 V Input) Optical Input 105 dBA
Input sensitivity Pre-In 0.6 6 VRMS
Input sensitivity Speaker-In 2.2 22 VRMS
Minimum load impedance 8Ch: 2
4Ch – (Bridge 1/2; 3/4; 5/6; 7/8) : 4
OUTPUT POWER (RMS) @28.8 VDC, 1% THD:
8Ch @ 4 85 W x 8
8Ch @ 2 130 W x 8
4Ch (Bridge 1/2; 3/4; 5/6; 7/8) @ 4 260 W x 4

Digital Signal Processor
Filter type Full / High pass / Low pass / Band pass
Filter model and slope Butterworth (6, 12, 18, 24, 30, 36, 42, 48, 54, 60 dB/oct)
Linkwitz-Riley (12, 24, 36, 48, 60 dB/oct)
Bessel (6, 12, 18, 24, 30, 36, 42, 48, 54, 60 dB/oct)
Chebyshev (6, 12, 18, 24, 30, 36, 42, 48, 54, 60 dB/oct)
QLP quasi-linear phase (6, 12 dB/oct)
Crossover frequency 20 Hz 20000 Hz integer values
Phase control 0 – 180, all pass equalizer poles
Output equalizer Graphic and Parametric modes
n. 10 parametric poles (Peaking, High Shelf, Low Shelf, Notch, All pass) 12 dB gain, variable Q (0.5 16.0)
n. 10 graphic poles
Time alignment distance 0 – 510 cm (0 200.8 inches)
Time alignment delay 0 – 15 ms
Time alignment step 1 cm
Time alignment fine set step 1 sample
Memories n. 2 memories
n. 3 parametric poles for each memory (Peaking, High Shelf, Low Shelf) 12 dB gain, variable Q (0.5 16.0)
Preset Rotary switch for 7 installation presets

Physical Specs
Max size W x H x D (mm/inch) 238 x 49,5 x 155 / 9.37 x 1.95 x 6.1
Weight (kg/lbs) 1,98 / 4.36