Alpine STM-6666 User Manual

Specifications and design are subject to change without notice
FEATURES
SPECIFICATIONS
STM-6666
6-1/2" Coaxial Marine Speaker
Woofer
Strontium Ferrite Magnet
Anti-Magnetic Shielding
Water Resistant
Rubber Surround
Polypropylene Cone
Tweeter
Polymide Balanced Dome
General
Impedance(Nominal) ...................................................................................... 4 ohms
Power Handling Capacity ................................................. 100watts peak(30watts RMS)
Frequency Response ............................................................................. 80Hz—20kHz
Sensitivity ..............................................................................................89dB/W/m
Mounting Depth............................................................................. 72mm(2-13/16in.)
Mounting Diameter ........................................................................ 167mm(6-9/16in.)
Magnet Weight................................................................................... 0.28kg(10oz.)
7"
(178mm)
3-1/2"
(90mm)
6-9/16"
(167mm)
2-13/16"
(72mm)

Alpine STM-6666 Specifications

General

Frequency Response	65Hz - 22kHz
Impedance	4 Ohms
Tweeter Size	1 inch
Size	6.5 inch
Woofer Size	6.5 inch

Summary

Speaker Features

Woofer Specifications

Details about the woofer component, including magnet type, shielding, water resistance, surround, and cone material.

Tweeter Specifications

Details about the tweeter component, specifying the diaphragm material.

Speaker Specifications

Impedance and Power Handling

Nominal impedance of 4 ohms and power handling capacity of 100 watts peak (30 watts RMS).

Frequency Response and Sensitivity

Frequency range from 80Hz to 20kHz with a sensitivity of 89dB/W/m.

Mounting Dimensions and Magnet Weight

Provides mounting depth, mounting diameter, and the weight of the magnet.