Hertz
Hertz HEX 6.5 M-W / CHEX 6
HEX 6.5 M marine coaxial, available with both white (W) and black grilles (C), 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
- COAX
- Size mm (in.)
- 165 (6.5)
- Power Handling - Continuous W
- 50
- Power Handling - Peak W
- 100
- Impedance Ohm
- 4
- Depth mm (in.)
- 85 (3.25)
- Woofer Voice Coil Ø mm (in.)
- 25 (1)
- Tweeter Voice Coil Ø mm (in.)
- 13 (0.5)
Key specs
Full specs- Component
- 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 CERTIFICATION
- WATER JET TESTED
- UV RESISTANT
- SALT FOG TESTED
Technologies

IP 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 | COAX |
| Size mm (in.) | 165 (6.5) |
| Power Handling - Continuous W | 50 |
| Power Handling - Peak W | 100 |
| Impedance Ohm | 4 |
| Depth mm (in.) | 85 (3.25) |
| 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 (2.2) |
| 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 | 172 mm | 6.77 in. |
| B | 128 mm | 5.04 in. |
| C | 85 mm | 3.25 in. |
| D | 60,5 mm | 2.38 in. |
| F | 24,5 mm | 0.96 in. |
Frequency response

Visual spec reference.
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