SF-15TW800

15" Low Frequency Driver, 800 Watts

  • 15inch Low Frequency speaker with excellent bass and mid-bass response

  • Attractive Diamond-Cut design with ventilated voice coil gap for minimum power compression

  • Silicon based Dual Spider damping control

  • Aluminum demodulating ring for low distortion

The SF-15TW800 is a high performance low frequency transducer which is designed for use as a low bass or subwoofer component in either highly compact reflex, bandpass or horn loaded configurations. It provides clean, linear frequency reproduction at high power levels, as part of a compact high power fullrange system.

Ideal for: Cinema Screen, live sound events and for use in professional high power full range speaker systems.

 

4.0 inch

Voice Coil

96.0 dB

Sensitivity

800 Watts

Power

8 Ω

Impedance
Additional Info

General Specifications

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Nominal Diameter :   15.0 inches
Nominal Power Handling :   800 Watts
Continous Power Handling :   1600 Watts
Voice Coil Size :   4.0” / 99.3 mm
Winding Type :   Inside - Outside
Winding Material :   Copper
Chassis Material :   Diecast Aluminium
Cone Surround :   Triple Roll
Spider :   Dual Silicon Spider

Technical Specifications

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Nominal Impedance :   8 Ω
Minimum Impedance :   6.7 Ω
Frequency :   40 Hz ~ 1.5 kHz
Magnet Size :   220 * 110 * 25 mm
Magnet Type :   Ferrite
Magnet Grade :   Y35
Sensitivity :   96.0 dB
Flux Density :   1.15 T

Thiele - Small Parameters

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Resonance Frequency (Fs) :        39 Hz
DC Resistance (Re) :        5.3 Ω
Electrical Factor :        0.33 Qes
Mechanical Factor :        4.4 Qms
Total Factor :        0.31 Qts
Equivalent Cas Air Loaded (Vas) :       96.0 dm³ (3.39 ft³)
Effective Piston Area (Sd) :       855 cm² (132.5 in²)
Voice coil Inductance @ 1kHz (Le) :       2.2 mH
Reference Effiiency (η₀) :       1.6 %
Max. Linear Excursion (Xmax) :      ± 12.0 mm
Usable Escues (Xvar) :      ± 13.5 mm
Effective Moving Mass (Mms) :       181.0 g
BI Factor (BI) :       26.4 T x m

Dimensions & Mounting Information

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Overall Diameter :   393 mm (15.5 in)
Bolt Circle Diameter :   374 mm (14.7 in)
Baffle Cut-Out Diameter :   354 mm (13.9 in)
Depth :   191 mm (7.52 in)
Flange & Gasket Thickness :   14.0 mm (0.55 in)
Flange Height :   14 mm (0.55 in)
Net Weight :   12.5 kg
Shipping Weight :   14.0 kg

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