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Loa subwoofer HERTZ ES 250
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(0 đánh giá)Loa subwoofer HERTZ ES 250
The Hertz Energy.5 ES 250.5 car audio subwoofers offers a dynamic bass and are capable of outstanding SPL never achieved in this category of the market.
The introduction of the V-cone® technology had a big impact in the efficiency of the ES.5 subwoofers, also improving cone stiffness and reducing the weight of the moving assembly, allowing a higher strength voice coil for a higher peak power handling.
Data table
Size mm (in.) 250 (10)
Power Handling - Peak W 750
Power Handling - Continuous W 250
Impedance Ω 4
Frequency response Hz 28 ÷ 300
Sensitivity dB SPL 90
Voice coil Ø mm (in.) 50 (2)
Xmax mm 9
X-mech mm (in.) 15,5 (0.61)
Re Ω 2,9
Fs Hz 35
Vas l 27,7
Qts 0,6
Qes 0,65
Qms 9,6
Spl dB 90
Features
1. V-cone® technology with water-repellent paper membrane, for reduced
moving assembly mass and increased sensitivity.
2. Wide-wave spider profile, for high mechanical resistance against impulsive
stresses; its resin-bonded fibre ensures consistent electro-acoustic
parameters in time.
3. High density foam surround, for extreme mechanical and acoustical linearity,
even under high excursion.
4. Copper voice coil wound on aluminium former, combined with the spider
support cooling system and bottom plate vent holes, for outstanding thermal
capacity in power peaks.
5. Silver plated silicone shielded lead wires ending with tin-plated, high
current terminals for high resistance against mechanical stress and low
contact resistance.
6. High magnetic permeability plates and large magnet, ensuring a constant
and even magnetic flux, for perfect low frequency control.
7. Butyl rubber gasket and magnet protective cover, provide
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