Dayton Audio ST305-8 12" Series II Woofer
The Dayton Audio ST305-8 Series II heavy duty 12" woofers feature a large magnet structure, vented pole piece, bumped backplate, and large voice coil. This combination provides excellent power handling capability, high efficiency, and very low distortion. The ST305-8 speaker's suspension system consists of a rubber surround and large flat spider for superior damping characteristics and outstanding transient response. Made in the USA.
| PRODUCT SPECIFICATIONS |
| Power Handling (RMS) |
275 Watts |
| Power Handling (max) |
550 Watts |
| Impedance |
8 ohms |
| Frequency Response |
25 to 2,000 Hz |
| Sensitivity |
92 dB 1W/1m |
| Voice Coil Diameter |
2.5" |
| Magnet Weight |
56 oz. |
| THIELE-SMALL PARAMETERS |
| Resonant Frequency (Fs) |
29.6 Hz |
| DC Resistance (Re) |
6 ohms |
| Voice Coil Inductance (Le) |
3.07 mH |
| Mechanical Q (Qms) |
10.55 |
| Electromagnetic Q (Qes) |
0.36 |
| Total Q (Qts) |
0.35 |
| Compliance Equivalent Volume (Vas) |
4.52 ft.³ |
| Mechanical Compliance of Suspension (Cms) |
0.36 mm/N |
| BL Product (BL) |
15.92 Tm |
| Diaphragm Mass Inc. Airload (Mms) |
81.33g |
| Maximum Linear Excursion (Xmax) |
8 mm |
| Surface Area of Cone (Sd) |
506.7 cm² |
| MATERIALS OF CONSTRUCTION |
| Cone Material |
Coated Paper |
| Surround Material |
Rubber |
| Voice Coil Wire Material |
Copper |
| Voice Coil Former |
Kapton® / Polyimide |
| Basket / Frame Material |
Steel |
| Magnet Material |
Ferrite |
| MOUNTING INFORMATION |
| Overall Outside Diameter |
12.03" |
| Baffle Cutout Diameter |
10.95" |
| Depth |
5.67" |
| Bolt Circle Diameter |
11.59" |
| # Mounting Holes |
8 |
| OPTIMUM CABINET SIZE * |
| Sealed Volume |
1.00 ft.³ |
| Sealed F3 |
68 Hz |
| Vented Volume |
2.52 ft.³ |
| Vented F3 |
41 Hz |
| * Enclosure volume/F3s based on BassBox "optimum" calculations |
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| Dayton Audio ST305-8 12" Series II Woofer |
| Brand |
Dayton Audio |
| Model |
ST305-8 |
| Part Number |
295-120 |
| UPC |
844632000041 |
| Product Category |
Woofers |
| Product Rating |
(29 Reviews)
|
| Unit of Measure |
ea |
| Weight |
15.3300 |
