7W6451 $100.00



Utopia Sandwich Cone
Cast aluminum basket with spider vent
Rubber surround

Fs = 39.6
Vas = 30 liter
Qts = 0.237
Qms = 3.5
Qes =0.254
Re = 9.8 ohm
Le = 0.5 mH
Mms = 18.9 gram
Sd = 158 cm^2
Xmax = 4 mm
Voice coil length = 14 mm
Top plate thickness = 6 mm
Voice coil Diameter = 40 mm
BL = 13.46
Magnet = 133 mm diameter x 20 mm thick
N0 = 0.724
Efficiency = 90.6 dB
Sensitivity = 89 dB 2.83 V @ 1 meter
Power = 100 watt

Cabinet hole = 165 mm
Basket Diameter = 200 mm
Mounting depth = 90 mm

Optimum Sealed box 0 0.15 cubic foot
-3 dB = 111 Hz

Optimum Vented Box = 0.21 cubic foot
-3dB = 78 Hz
Vent = 61 Hz
Tube = 3 inch diameter x 20 inch

Extended bass shelf = 0.50 cubic foot
-3dB = 56 Hz
Vent = 54 Hz
Tube = 3 inch diameter x 10 inch