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2FE22 { 2.5" - 25 W - 89 dB - 8 Ohm }
Available Impedance: 8 Ohm
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Nominal Specifications
Nominal Diameter 66 mm (2.5 in)
Overall Diameter 88/68 mm (3.46/2.68 in)
Bolt Circle Diameter 75 mm (2.95 in)
Baffle Cutout Diameter 60.5 mm (2.38 in)
Depth 35.5 mm (1.40 in)
Flange and Gasket Thickness 6 mm (0.24 in)
Net Weight 184 g (0.4 lb)
Shipping Box
(Single Carton Box - 36 units)		 285 x 285 x 255 mm
(11.2 x 11.2 x 10 in)
Shipping Weight (36 units) 8 kg (17.6 lb)


Technical Parameters
Nominal Impedance 8 Ohm
Minimum Impedance 7.1 Ohm
AES Power Handling (1) 25 W
Maximum Power Handling (2) 50 W
Sensitivity (1W/1m) 89 dB
Frequency Range 125÷20000 Hz
Voice Coil Diameter 19 mm (0.75 in)
Winding Material Al
Former Material Kapton
Winding Depth 6.8 mm (0.27 in)
Magnetic Gap Depth 3 mm (0.12 in)
Flux Density 1.65 T
Magnet Neodymium Ring
Basket Material Polycarbonate
Demodulation No
Cone Surround (3) Half Roll
NET Air Volume filled by Loudspeaker 0.030 dm^3 (0.001 ft^3)
Spider Profile 1x constant height waves
Thiele and small parameters
Fs 125 Hz
Re 6.5 Ohm
Qes 0.43
Qms 3.1
Qts 0.38
Vas 0.5 dm^3 (0.02 ft^3)
Sd 20.1 cm^2 (3.12 in^2)
Xmax (4) 2.90 mm
Xdamage (5) 5.3 mm
Mms 2 g
Bl 5.2 N/A
Le 0.15 mH
Mmd 1.9 g
Cms 0.81 mm/N
Rms 0.5 kg/s
Eta Zero 0.23 %
EBP 291 Hz


PART NUMBER (P/N)
Faston Terminals - 8 Ohm Version 00664410



Notes:
(1) 2 Hours Test According to AES 2-1984 Rev. 2003
(2) Maximum power is defined as 3dB greater than nominal power.
(3) EPDM (Rubber)
(4) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3)
(5) Maximum excursion before permanent damage
Quick acoustic specs
Nominal Impedance 8 Ohm
Minimum Impedance 7.1 Ohm
AES Power Handling (1) 25 W
Sensitivity (1W/1m) 89 dB
Frequency Range 125÷20000 Hz
Flux Density 1.65 T
Magnet Neodymium Ring
Demodulation No
Fs 125 Hz
Re 6.5 Ohm
Qes 0.43
Qms 3.1
Qts 0.38
Vas 0.5 dm^3 (0.02 ft^3)
Sd 20.1 cm^2 (3.12 in^2)
Xmax (2) 2.90 mm
Xdamage (3) 5.3 mm
Mms 2 g
Bl 5.2 N/A
Le 0.15 mH
Mmd 1.9 g
Cms 0.81 mm/N
Rms 0.5 kg/s
Eta Zero 0.23 %
EBP 291 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 66 mm (2.5 in)
Overall Diameter 88/68 mm (3.46/2.68 in)
Bolt Circle Diameter 75 mm (2.95 in)
Baffle Cutout Diameter 60.5 mm (2.38 in)
Depth 35.5 mm (1.40 in)
Flange and Gasket Thickness 6 mm (0.24 in)
Net Weight 184 g (0.4 lb)
Shipping Box
(Single Carton Box - 36 units)		 285 x 285 x 255 mm
(11.2 x 11.2 x 10 in)
Shipping Weight (36 units) 8 kg (17.6 lb)