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3FE25 { 3" - 20 W - 91 dB - 4 Ohm }
Available Impedance: 4 Ohm8 Ohm16 Ohm
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Nominal Specifications
Nominal Diameter 80 mm (3 in)
Overall Diameter 105.6/81 mm (4.16/3.19 in)
Bolt Circle Diameter 92 mm (3.62 in)
Baffle Cutout Diameter 73.6 mm (2.90 in)
Depth 54.5 mm (2.15 in)
Flange and Gasket Thickness 6.5 mm (0.26 in)
Net Weight 545 g (1.2 lb)
Shipping Box
(Single Carton Box - 36 units)
285 x 285 x 255 mm
(11.2 x 11.2 x 10.0 in)
Shipping Weight (36 units) 20.8 Kg (45.9 lb)


Technical Parameters
Nominal Impedance 4 Ohm
Minimum Impedance 3.5 Ohm
AES Power Handling (1) 20 W
Maximum Power Handling (2) 40 W
Sensitivity (1W/1m) 91 dB
Frequency Range 100÷20000 Hz
Voice Coil Diameter 19 mm (0.75 in)
Winding Material Al
Former Material Kapton
Winding Depth 4.8 mm (0.19 in)
Magnetic Gap Depth 4 mm (0.16 in)
Flux Density 1.1 T
Magnet Ferrite Ring
Basket Material Steel
Demodulation Copper Cap
Cone Surround (3) Half Roll
NET Air Volume filled by Loudspeaker 0.125 dm^3 (0.004 ft^3)
Spider Profile 1x constant height waves
Thiele and small parameters
Fs 110 Hz
Re 3.3 Ohm
Qes 0.73
Qms 3.9
Qts 0.62
Vas 1.15 dm^3 (0.04 ft^3)
Sd 30.2 cm^2 (4.68 in^2)
Xmax (4) 1.73 mm
Xdamage (5) 7.9 mm
Mms 2.4 g
Bl 3 N/A
Le 0.04 mH
Mmd 2.3 g
Cms 0.89 mm/N
Rms 0.42 Kg/s
Eta Zero 0.22 %
EBP 151 Hz


PART NUMBER (P/N)
Faston Terminals - 4 Ohm Version 00804135



Notes:
(1) 2 Hours Test According to AES 2-1984 Rev. 2003
(2) Maximum power is defined as 3dB greater than nominal power.
(3) NBR (Rubber)
(4) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3)
(5) Maximum excursion before permanent damage
Quick acoustic specs
Nominal Impedance 4 Ohm
Minimum Impedance 3.5 Ohm
AES Power Handling (1) 20 W
Sensitivity (1W/1m) 91 dB
Frequency Range 100÷20000 Hz
Flux Density 1.1 T
Magnet Ferrite Ring
Demodulation Copper Cap
Fs 110 Hz
Re 3.3 Ohm
Qes 0.73
Qms 3.9
Qts 0.62
Vas 1.15 dm^3 (0.04 ft^3)
Sd 30.2 cm^2 (4.68 in^2)
Xmax (2) 1.73 mm
Xdamage (3) 7.9 mm
Mms 2.4 g
Bl 3 N/A
Le 0.04 mH
Mmd 2.3 g
Cms 0.89 mm/N
Rms 0.42 Kg/s
Eta Zero 0.22 %
EBP 151 Hz



Note:
(1) 2 Hours Test According to AES 2-1984 Rev. 2003
(2) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3)
(3) Maximum excursion before permanent damage
Quick mechanical specs
Nominal Diameter 80 mm (3 in)
Overall Diameter 105.6/81 mm (4.16/3.19 in)
Bolt Circle Diameter 92 mm (3.62 in)
Baffle Cutout Diameter 73.6 mm (2.90 in)
Depth 54.5 mm (2.15 in)
Flange and Gasket Thickness 6.5 mm (0.26 in)
Net Weight 545 g (1.2 lb)
Shipping Box
(Single Carton Box - 36 units)
285 x 285 x 255 mm
(11.2 x 11.2 x 10.0 in)
Shipping Weight (36 units) 20.8 Kg (45.9 lb)