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4FE42 { 4" - 40 W - 93 dB - 4 Ohm }
Available Impedance: 4 Ohm8 Ohm
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Nominal Specifications
Nominal Diameter 100 mm (4 in)
Overall Diameter 129.85/100.5 mm (5.11/3.96 in)
Bolt Circle Diameter 115.26 mm (4.54 in)
Baffle Cutout Diameter 91.5 mm (3.60 in)
Depth 54.1 mm (2.13 in)
Flange and Gasket Thickness 7 mm (0.28 in)
Net Weight 390 g (0.9 lb)
Shipping Box
(Single Carton Box - 8 units)
225 x 225 x 150 mm
(8.9 x 8.9 x 5.9 in)
Shipping Weight (8 units) 3.6 kg (7.9 lb)


Technical Parameters
Nominal Impedance 4 Ohm
Minimum Impedance 4.1 Ohm
AES Power Handling (1) 40 W
Maximum Power Handling (2) 80 W
Sensitivity (1W/1m) 93 dB
Frequency Range 100÷20000 Hz
Voice Coil Diameter 25 mm (0.98 in)
Winding Material Al
Former Material Kapton
Winding Depth 7 mm (0.28 in)
Magnetic Gap Depth 4 mm (0.16 in)
Flux Density 1.4 T
Magnet Neodymium Ring
Basket Material Steel
Demodulation Copper Cap
Cone Surround (3) Half Roll
NET Air Volume filled by Loudspeaker 0.105 dm^3 (0.004 ft^3)
Spider Profile 1x constant height waves
Thiele and small parameters
Fs 110 Hz
Re 3.5 Ohm
Qes 0.4
Qms 6.6
Qts 0.38
Vas 1.8 dm^3 (0.06 ft^3)
Sd 50.9 cm^2 (7.89 in^2)
Xmax (4) 2.83 mm
Xdamage (5) 5.1 mm
Mms 4.3 g
Bl 5.4 N/A
Le 0.05 mH
Mmd 3.9 g
Cms 0.49 mm/N
Rms 0.5 kg/s
Eta Zero 0.64 %
EBP 275 Hz


PART NUMBER (P/N)
Faston Terminals - 8 Ohm Version 01004394



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 4.1 Ohm
AES Power Handling (1) 40 W
Sensitivity (1W/1m) 93 dB
Frequency Range 100÷20000 Hz
Flux Density 1.4 T
Magnet Neodymium Ring
Demodulation Copper Cap
Fs 110 Hz
Re 3.5 Ohm
Qes 0.4
Qms 6.6
Qts 0.38
Vas 1.8 dm^3 (0.06 ft^3)
Sd 50.9 cm^2 (7.89 in^2)
Xmax (2) 2.83 mm
Xdamage (3) 5.1 mm
Mms 4.3 g
Bl 5.4 N/A
Le 0.05 mH
Mmd 3.9 g
Cms 0.49 mm/N
Rms 0.5 kg/s
Eta Zero 0.64 %
EBP 275 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 100 mm (4 in)
Overall Diameter 129.85/100.5 mm (5.11/3.96 in)
Bolt Circle Diameter 115.26 mm (4.54 in)
Baffle Cutout Diameter 91.5 mm (3.60 in)
Depth 54.1 mm (2.13 in)
Flange and Gasket Thickness 7 mm (0.28 in)
Net Weight 390 g (0.9 lb)
Shipping Box
(Single Carton Box - 8 units)
225 x 225 x 150 mm
(8.9 x 8.9 x 5.9 in)
Shipping Weight (8 units) 3.6 kg (7.9 lb)