Features & specs
| General | ||
|---|---|---|
| Speaker Size | 6 1/2 | |
| Design | 2-way | |
| Tweeter Design | 35mm Dome | |
| Impedance (Ohms) | 4 | |
| Tweeter Composition | Tetolon | |
| Woofer Composition | Pressed Paper/Cotton Fiber | |
| Woofer Surround | Rubber | |
| Parts Warranty | 2 Years | |
| Labor Warranty | 2 Years | |
| Specifications | ||
| Sensitivity (1W at 1 meter) | 92 | |
| Sensitivity at 2.83 volts | N/A | |
| Frequency Response | 40 - 25k Hz | |
| Minimum RMS Wattage | --- | |
| Maximum RMS Wattage | 150 | |
| Peak Power Handling (Watts) | 300 | |
| Top-mount Depth (Inches) | 2 13/16 | |
| Bottom-mount Depth (Inches) | 3 | |
| Cutout Diameter or Length (inches) | 5 1/2 | |
| Mounting Height (Inches) | 0.418 | |
| Frame Width | 6.486 | |
| Frame Length | 6.486 | |
Product Research
Features
Size Classification Note: Some manufacturers, including Hertz, call this size woofer a 6-1/2". Because it requires a larger cutout than a standard 6-1/2" speaker, Crutchfield has traditionally referred to this size as a 6-3/4". Please enter you vehicle information to confirm fit in your vehicle.
Boundary Free Surround: This technology provides more cone surface area than other speakers of the same size, enabling it to move more air. The surrounds are made of butyl rubber, ensuring thermal and mechanical linearity.
Klippel Verified: The Klippel distortion analyzer, a device that uses a laser and computer software to do large-scale analysis of drivers in motion, helps Hertz optimize the speaker's motor structure, voice coil alignment, and suspension to yield the best possible performance.
Tweeter Mounting: The ML 28.3 tweeters are designed to flush mount using the included clamps. They can also be mounted to many factory tweeter brackets using the M3 threaded insert on the back of the tweeter housing. The tweeters are permanently mounted in their housings.
Tweeter Dimensions:
| Flush Mount | |
|---|---|
| Mounting Height | 0.618" |
| Mounting Depth | 0.703" |
| Frame Diameter | 2.101" |
| Cutout Diameter | 1.9" |
Tweeter Level: Three different positive wire terminals offer tweeter output level options, -2 dB, 0 dB, and +2 dB. Hertz recommends +2 dB when the tweeters are mounted off-axis (relative to the listeners) and 0 dB when the tweeters are mounted on-axis.
Hi-Contour: A 2-position switch in each crossover adjusts the tweeter output contour, and thus the crossover point. Hertz recommends the 3.5 kHz (On) setting when the tweeters are mounted off-axis and the 4 kHz (Off) setting when the tweeters are mounted on-axis.
Slope: The slope of the high-pass and low-pass outputs is 12 dB/octave.
Wiring: The crossover inputs and outputs are screw terminals and will accept bare wire or spade connectors up to 0.3" wide.
Crossover Dimensions:
- Width: 5-3/4"
- Height: 1-5/8"
- Depth: 4-1/2"
