DCX 170.3 - Hertz 7" 2-Way 50W RMS DIECI Series Coaxial Speakers
- SKU #: 03057
DCX 170.3
Two way coaxial
With its 51 mm (2,0 in.) maximum depth the DCX 170.3, is a “flat” car audio coaxials optimized for installation in a vehicle’s door and/or other reduced spaces, without giving up on acoustic reproduction quality. A Neodymium magnet, PEI dome tweeter, built-in crossover, TPU (Thermoplastic polyurethane) surround, a copper voice coil wound on a conex former and painstaking care in its build ensures performance surpassing other components within the same category.
- Power Handling:
- 60 Watts RMS
- 120 Watts Peak Power
- 4 Ohm Impedence
- 93 dB SPL Sensitivity
- Mounting Depth: 2.5"
- Large motor assembly for mobile voice coil control.
- Pure copper voice coil, wound on conex former, for maximum lightness.
- Water-repellent treated paper cone.
- TPU Surround, for wide excursion and resonance damping.
- REN Neodymium tweeter with PEI dome, for compactness and energy at high frequencies.
- DIN size basket protected by abrasion-proof dust paint.
- Tin-plated, high current terminals.
- Silver-plated lead wires for maximum reliability and conductivity.
- Butyl rubber protective cover, against crashes and abrasions.
- Epoxy glue for basket and motor system provides perfect coupling.
- Low carbon content plates for maximum magnetic permeability and high heat dissipation.
Data table
| Power Handling - Peak W | 100 |
| Power Handling - Continuous W | 50 |
| Impedance Ω | 4 |
| Frequency response Hz | 60 ÷ 21k |
| Sensitivity dB SPL | 93 |
| Woofer size mm (in.) | 170 (6.7) |
| Tweeter size mm (in.) | 15 (0.6) |
| Woofer Voice Coil Ø mm (in.) | 25 (1.0) |
| Woofer magnet | High density flux ferrite |
| Tweeter magnet | Neodymium |
| Woofer cone | Water-repellent pressed paper |
| Tweeter dome | PEI |
| Mounting Hole Diameter | in | 5.5 |
| Mounting Depth | in | 1.8 |
| Size | in | (Woofer) 6.75 |
| Power Handling | W Peak | 100 |
| Frequency Response | Hz | 60 - 21000 |
| Sensitivity | dB/SPL | 93 |
| DC Resistance (Re) | Ω | 3.6 |
| Resonance Frequency (Fs) | Hz | 85 |
| Equivalent Volume (Vas) | l | 11.3 |
| Moving Mass (incl. Air Load) (Mms) | g | 8.8 |
| Suspension Compliance (Cms) | mm/N | 0.4 |
| Force Factor (BL) | T•m | 3.7 |
| Mechanical Q Factor (Qms) | 4.39 | |
| Electrical Q Factor (Qes) | 1.21 | |
| Total Q Factor (Qts) | 0.95 | |
| Net Weight per Component | lbs | 1.23 |
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