The Sound Town STLF-1280S is a premium 12" replacement woofer, specifically designed for PA/DJ speakers and subwoofer cabinets. Compatible with Sound Town PA speakers and other brands requiring a 12" low-frequency driver, the STLF-1280S is built to meet the demands of professional audio environments. Its steel frame and paper cone with cloth edge construction ensure durability and high-quality sound.

With an impedance of 8 ohms and a frequency response of 42 Hz to 2 kHz, this driver provides deep and dynamic sound reproduction. It boasts an impressive power handling capability of 350W RMS and 700W peak, allowing you to experience rich and impactful audio performance in your PA/DJ setup.

The STLF-1280S features a robust 3” high-temperature, high SPL voice coil, ensuring optimal performance even under elevated temperatures. Additionally, the powerful 80 oz Y35 magnet delivers precise and impactful bass reproduction, ensuring smooth and accurate movement of the voice coil for enhanced sound quality.

Whether upgrading your existing PA subwoofers or replacing a worn-out driver, the STLF-1280S is a versatile solution that enhances the bass performance of your 12-inch subwoofer enclosure. It is ideal for live performances, DJ gigs, and other sound reinforcement applications, making it a reliable choice for any professional audio setup.

FEATURES

SOUND TOWN STLF-1280S 12” WOOFER: The STLF-1280S is a 12-inch stamped steel frame replacement woofer, ideal for PA/DJ speakers and subwoofer cabinets
350W RMS, 700W PEAK POWER (8Ω): Delivers consistent performance at high volumes, producing deep and impactful bass, capable of 350W RMS and 700W peak power at 8Ω
3” HIGH-TEMP, HIGH SPL VOICE COIL: Maintains efficient operation at elevated temperatures, ensuring long-lasting optimal performance
80 OZ. Y35 MAGNET: Equipped with an 80 oz. high-grade Y35 magnet, it provides precise and powerful bass reproduction, facilitating smooth voice coil movement
42 HZ - 2 kHZ FREQUENCY RESPONSE: Covers a broad range of deep bass and low mid frequencies

SPECIFICATION

Sound Town STLF-1280S | 12” 350W Steel Frame Raw Woofer (Low Frequency Driver) w/ 3" Voice Coil, 80 oz Magnet, Replacement for PA/DJ Subwoofer Cabinets - size & dimensions, mounting information, recommended enclosure volume

Sound Town STLF-1280S | 12” 350W Steel Frame Raw Woofer (Low Frequency Driver) w/ 3" Voice Coil, 80 oz Magnet, Replacement for PA/DJ Subwoofer Cabinets - SPL vs. Frequency Graph Curve

Details

Model	STLF-1280S	Resonance	42 Hz
Nominal Basket Diameter	12"	Frequency Response	42 Hz - 2000 Hz
Nominal Impedance	8 Ω	Sensitivity	95 dB
Power Rating	350W RMS	Magnet Weight	80 oz
Peak Power	700W PEAK	Voice Coil Diameter	3.0" VC

Thiele & Small Parameters

Resonant Frequency (fs)	45 Hz	Compliance Equivalent Volume (Vas)	58.3 Ltr
DC Resistance (Re)	5.8 Ω	Mechanical Compliance of Suspension (Cms)	0.139 mm/N
Mechanical Q (Qms)	4.39	BL Product (BL)	18.3 Tm
Electromagnetic Q (Qes)	0.39	Diaphragm Mass Inc. Airload (MMs)	71.7 g
Total Q (Qts)	0.36	Surface Area of Cone (Sd)	543 cm2

Mounting Information

Efficiency Bandwidth	127	Baffle Hole Diameter	11", 280 mm
Sealed	20.4 l / 0.72 cu ft	Installation Position Diameter	11.6", 295 mm
Vented	35.6 l / 1.257 cu ft	Mounting Holes Diameter	8-0.24" x 0.33", 6mm x 8.5 mm
Overall Diameter	12.2", 310 mm	Depth	5.9", 150 mm

Materials of Construction

Coil Construction	Round copper	Cone Composition	Paper cone
Coil Former	TIL	Cone Edge Composition	Cloth edge
Magnet Composition	Ferrite	Dust Cap Composition	Paper cap
Basket Materials	Steel

Dimension & Weight

Product Width (in.)	∅11.6"	Package Width (in.)	13.5"
Product Height (in.)	--"	Package Height (in.)	7.8"
Product Depth (in.)	5.9"	Package Depth (in.)	13.5"
Product Weight (lb.)	17.4 lbs	Package Weight (lb.)	21.4 lbs

Warranty/Certifications

Manufacturer Warranty

1 Year

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