Transducer

21 LFA 1500

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1500 Watt Power

125mm (5 in) Voice Coil

35Hz to 1.5 KHz Frequency Response

100 dB 1w @ 1m Sensitivity

Ferrite Magnet Structure


Specification

Nominal Diameter Inch 21
Power Handling Capacity w(AES) 1500
Max Power watts 1800
Nominal Impedance ohms 8
Sensitivity (1W/1M) dB 100
Frequency Range Hz 35-1.5K
Voice Coil Diameter mm/in 125/5

Thiele-Small Parameters

Fs Hz 35
Re Ohms 4.5
Qms 4.65
Qes 0.33
Qts 0.31
Vas L 268
Mms gr 288
Cms mm/N 0.07
BL Tm 30
Le mH 0.68
Xmax mm 7.5
nO % 3.6
Sd cm^2 1662

Dimension

Overall Diameter mm 538
Bolt Circle Diameter mm 530
Baffle Cut-out Diameter mm 494
Overall Depth mm 219
Net Weight Kg 22

  • Frequency Response & Impedance Magnitude Curves
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  • Dimension Drawing
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