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(2)pairs  MPX690.3 Pro - Hertz 6" x 9" 130W RMS 3-Way Coaxial Speakers

ML POWER 4 - Hertz 4-Channel 1000W RMS Class D Amplifier

 Features & Specifications:

MPX690.3 Pro
The three-way MPX 690.3 car audio coaxial, optimized for rear deck mount, features a 28 mm Tetolon tweeter with Neodymium magnet and faceplate profile maximizing the off-axis dispersion. A supertweeter strengthens the emission of very high frequencies and the basket radial venting system ensures low operating temperatures. The sound has an impressive impact and ensures perfect control, also with extensive high dynamic listening.

Features:
  • 38 mm pure copper woofer voice coil wound on a Polyamide former for exceptional power handling and dynamic compression-free reproduction.
  • Pressed-pulp cone with cotton fibers material, combining stiffness and lightweight for a wide frequency response.
  • Large rubber surround designed for long throw and optimal sound damping.
  • Over-sized ferrite magnet combined with very low carbon content iron plates, for low distortion at high power levels.
  • Aerodynamic thus acoustically transparent aluminium alloy basket, eliminates rear wave reflections.
  • Anti-vibration rubber magnet cover, damps spurious vibrations.
  • 28mm voice coil Neodymium Tetolon fiber dome tweeter, for undistorted mid-frequency reproduction.
  • 20mm voice coil Neodymium Tetolon fiber dome super tweeter, to naturally compensate for drop-off in frequency response due to speaker horizontal installation.
  • Tweeter faceplate with geometry optimized with FEM (Finite Element Modeling) simulations, to provide excellent off-axis frequency response up to 24kHz by perfectly mixing the two tweeters’ emission.
  • Full protection metal mesh grill featuring the aluminium Hertz logo and attractive look mineral powder coated inner grill are included for several install combinations.
Specifications:
  • Power Handling
    • 260W Peak
    • 130W RMS
  • Impedance: 4-Ohm
  • Frequency response: 30 ÷ 24k Hz
  • Sensitivity: 94dB SPL
  • Woofer size mm (in.): 6 x 9
  • Tweeter size mm (in.): 35 (1.4)
  • Supertweeter size mm (in.): 29 (1.14)
  • Woofer Voice Coil Ø mm (in.): 38 (1.5)
  • Tweeter voice coil Ø mm (in.): 28 (1.1)
  • Woofer magnet: High density flux ferrite
  • Tweeter magnet: Neodymium
  • Woofer cone: Pressed-pulp cone with cotton fibers
  • Tweeter dome: Tetolon
  • Supertweeter dome: Tetolon
  • Top Mount Depth: 3.54"

ML POWER 4
Mille power amplifiers are born to fully enhance the outstanding performance of the Mille speakers. The new ADC (ADVANCED D-CLASS TECHNOLOGY) ensures pure listening pleasure while keeping a compact size with unmatched power efficiency. The heat sink, engineered with double technology, extrusion and aluminium die-casting, enables the Mille Power amplifiers to work constantly at full power without ever overheating, further maximizing thermal efficiency. The Hertz audio car amplifier ML Power 4 (4 x 250 W 2 Ω) is the obvious choice for a top level front-rear Mille system.

Features:
  • ADC (ADVANCED D-CLASS TECHNOLOGY) ensures hi-end acoustic response with unmatched power efficiency
  • Thermally optimized double extruded heat sink featuring die-cast aluminium ergonomic terminals
  • 250 W x 4 (2Ω) RMS power boasting hi-end quality
  • 12 dB/Oct. continuously adjustable (50 to 5k Hz and 80 to 3.3k Hz) active crossover featuring Lo-Pass/Hi-Pass or Full Range settings
  • Specific A/B Input switch, eliminates the need for RCA Y-AdaptersML Power IN with balanced Speaker In inputs for an increased noise rejection and RCA In
  • Operating status real time monitoring through 4 LEDs
  • Pre-out full range outputs also available with Speaker In inputs;
  • ART™ (Automatic Remote Turn On-Off).
Specifications:
  • Channel mode: 4 - 3 - 2
  • Output Power (RMS): @ 14.4 VDC
    • 4 Ch:
      • 150 W x 4 (4Ω)
      • 250 W x 4 (2Ω)
    • 3 Ch:
      • 150 W x 2 (4Ω) + 500 W x 1 (4Ω)
      • 250 W x 2 (2Ω) + 500 W x 1 (4Ω)
    • 2 Ch: 500 W x 2 (4Ω)
  • Filters:
    • Bypass: Yes
    • Hi-Pass:
      • A: 50 ÷ 5k @ 12 dB/Oct.
      • B: 80 ÷ 3.3k Hz @ 12 dB/Oct.
    • Lo-Pass:
      • A: 50 ÷ 5k @ 12 dB/Oct.
      • B: 80 ÷ 3.3k Hz @ 12 dB/Oct.
  • Distortion - THD: (100Hz @ 4Ω): 0.08 %
  • S/N Ratio (A weighted @ 1V): 100 dB
  • Damping factor (100Hz @ 4Ω): 80
  • Approximate Dimensions:
    • Height: 1.84"
    • Width: 6.69"
    • Depth: 11.38"


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