Hertz
Hertz HEX 6.5 C-WMarine Coaxial
HEX 6.5 C-W marine coaxial features classic grilles will give you years of pure fun while cruising, being over engineered and tested for Marine applications. The compact 6.5” speaker, with a depth of only 2.36 in.
Highlights
- Hertz Pure Marine Certified Product stamp featuring the IP65 protection grade, ASTM-D4329 standards for UV resistance and ASTM-B117 for salt fog operability.
- High efficiency tweeter designed with FEM simulation to maximize off-axis emission, typical of in-boat install.
- Sound-transparent mesh grille with twist and lock locking system, providing an elegant style and a rock-solid protection.
- Woofer with 25 mm (1”) voice coil fine-tuned for infinite baffle application featuring silicone insulated lead-wire for durability.
Key specs
Full specs- Component
- CLASSIC COAX
- Size mm (in.)
- 165 (6.5)
- Power Handling - Continuous W
- 50
- Power Handling - Peak W
- 100
- Impedance Ohm
- 4
- Depth mm (in.)
- 84.5 (3.33)
- Woofer Voice Coil Ø mm (in.)
- 25 (1)
- Tweeter Voice Coil Ø mm (in.)
- 13 (0.5)
Key specs
Full specs- Component
- CLASSIC COAX
- Size mm (in.)
- 165 (6.5)
- Power Handling - Continuous W
- 50
- Power Handling - Peak W
- 100
Highlights
Overview- Hertz Pure Marine Certified Product stamp featuring the IP65 protection grade, ASTM-D4329 standards for UV resistance and ASTM-B117 for salt fog operability.
- High efficiency tweeter designed with FEM simulation to maximize off-axis emission, typical of in-boat install.
- Sound-transparent mesh grille with twist and lock locking system, providing an elegant style and a rock-solid protection.
Overview
Key features
- Hertz Pure Marine Certified Product stamp featuring the IP65 protection grade, ASTM-D4329 standards for UV resistance and ASTM-B117 for salt fog operability.
- High efficiency tweeter designed with FEM simulation to maximize off-axis emission, typical of in-boat install.
- Sound-transparent mesh grille with twist and lock locking system, providing an elegant style and a rock-solid protection.
- Woofer with 25 mm (1”) voice coil fine-tuned for infinite baffle application featuring silicone insulated lead-wire for durability.
- Sealed built-in crossover with resettable solid-state tweeter protection circuit.
- Nickel-plated corrosion resistant terminals.
- IP 65 CERTIFICATION
- WATER JET TESTED
- UV RESISTANT
- SALT FOG TESTED
Technologies

IP 65 CERTIFICATION
‘

WATER JET TESTED
The protection grade IP65 for speakers define all the Hertz Marine products as totally protected against water

UV RESISTANT
According to the severe ASTM-D4329 standards for UV resistance, all the materials used for Hertz Marine products

SALT FOG TESTED
To satisfy the standards required by ASTM-B117, Hertz Marine products are tested with massive salt fog spray to
Specs
Technical Specs
| Component | CLASSIC COAX |
| Size mm (in.) | 165 (6.5) |
| Power Handling - Continuous W | 50 |
| Power Handling - Peak W | 100 |
| Impedance Ohm | 4 |
| Depth mm (in.) | 84.5 (3.33) |
| Woofer Voice Coil Ø mm (in.) | 25 (1) |
| Tweeter Voice Coil Ø mm (in.) | 13 (0.5) |
| Frequency Response Hz | 50 ÷ 23k |
| Woofer Magnet size D x d x h mm (in.) | 85 x 32 x 15 (3.35 x 1.26 x 0.59) |
| Tweeter Magnet size D x h mm (in.) | 12,9 x 2 + 11 x 1,9 (0.51 x 0.08 + 0.43 x 0.07) |
| Weight of one speaker kg (lb.) | 1,1 (2.4) |
| Woofer Magnet | High density flux ferrite |
| Tweeter Magnet | Neodymium |
| Cone | Polypropylene with UV inhibitors |
| Dome | PEI |
| Xmech mm (in.) | ±4,8 (0.19) |
Electro-acoustic Specs
| D mm | 125 |
| Re Ohm | 3,3 |
| Fs Hz | 78 |
| Le mH | 0,109 |
| Vas I | 6,52 |
| Mms g | 13,5 |
| Cms mm/N | 0,31 |
| BL T*m | 4,8 |
| Qts | 0,82 |
| Qes | 0,95 |
| Qms | 6,1 |
| Spl dB | 88 |
Physical Specs

| A | 192,5 mm | 7.58 in. |
| B | 128 mm | 5.04 in. |
| C | 84,5 mm | 3.33 in. |
| D | 60,5 mm | 2.38 in. |
| F | 24 mm | 0.94 in. |
Frequency response

Visual spec reference.
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