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 32.5 mm (1.28 in)
Flange and Gasket Thickness 6 mm (0.24 in)
Net Weight 122 g (0.3 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) 5.8 kg (12.8 lb)
Technical Parameters
Nominal Impedance 8 Ohm
Minimum Impedance 6.6 Ohm
AES Power Handling (1) 20 W
Maximum Power Handling (2) 40 W
Sensitivity (1W/1m) 85 dB
Frequency Range 170÷20000 Hz
Voice Coil Diameter 19 mm (0.75 in)
Winding Material Al
Former Material Kapton
Winding Depth 4.5 mm (0.18 in)
Magnetic Gap Depth 3 mm (0.12 in)
Flux Density 1.3 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 170 Hz
Re 6.5 Ohm
Qes 1.22
Qms 4.1
Qts 0.94
Vas 0.3 dm^3 (0.01 ft^3)
Sd 20.1 cm^2 (3.12 in^2)
Xmax (4) 1.75 mm
Xdamage (5) 5.3 mm
Mms 1.9 g
Bl 3.5 N/A
Le 0.11 mH
Mmd 1.8 g
Cms 0.46 mm/N
Rms 0.5 kg/s
Eta Zero 0.12 %
EBP 139 Hz
PART NUMBER (P/N)
Faston Terminals - 8 Ohm Version 00664365
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
