SF-2160PD

Chrome

21" Extended Sub-Woofer, 2500 Watts

  • 21inch Low Frequency transducer with unmatched bass capabilities

  • Ergonomic, Vented Cast Aluminium Chassis Offers Improved Thermal Control

  • Premium choice for the most demanding of high performance, high power sub-bass applications

  • Extremely Low Distortion and Highly Dynamic Driver

 

The SF-2160PD Chrome provides powerful and accurate bass frequencies and features a four-piece magnet assembly generating very high force factor and linear excursion.

Ideal for: Scoop Bins, conventional reflex cabinets and horn loaded systems and in a wide variety of professional sub-woofer applications.

6.0 inch

Voice Coil

97.0 dB

Sensitivity

2500 Watts

Power

8 Ω

Impedance
Additional Info

General Specifications

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Nominal Diameter :   21.0 inches
Nominal Power Handling :   2500 Watts
Continous Power Handling :   5000 Watts
Voice Coil Size :   6.0” / 152 mm
Winding Type :   Inside - Outside
Winding Material :   Copper
Chassis Material :   Diecast Aluminium
Cone Surround :   Triple Roll
Spider :   Double

Technical Specifications

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Nominal Impedance :   8 Ω
Frequency :   30 Hz ~ 500 Hz
Magnet Size :   330 * 170 * 30 mm
Magnet Type :   Ferrite (4-piece)
Magnet Grade :   Y35
Sensitivity :   97.0 dB
Flux Density :   1.2 T

Thiele - Small Parameters

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Resonance Frequency (Fs) :        38 Hz
DC Resistance (Re) :        5.1 Ω
Electrical Factor :        0.35 Qes
Mechanical Factor :        7.88 Qms
Total Factor :        0.33 Qts
Equivalent Cas Air Loaded (Vas) :       266 dm³ (9.39 ft³)
Effective Piston Area (Sd) :       1480 cm² (229.4 in²)
Voice coil Inductance @ 1kHz (Le) :       1.45 mH
Max. Linear Excursion (Xmax) :      ± 11.0 mm
Effective Moving Mass (Mms) :       304 g
BI Factor (BI) :       31.3 T x m
Efficiency Bandwidth Product (EBP) :       88.2 Hz
Ref. Efficiency (Eff.) :       3.1 %

Dimensions & Mounting Information

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Overall Diameter :   550 mm (21.6 in)
Bolt Circle Diameter :   528 mm (20.8 in)
Baffle Cut-Out Diameter :   492 mm (19.4in)
Depth :   205 mm (8.1 in)
Flange Height :   14 mm (0.55 in)
Net Weight :   25.0 kg
Shipping Weight :   26.8 kg

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