Page 82 of Madisound Catalog 2008 by Speaker Components, Inc.

b1s full range · 1 magnesium/aluminum a2s full range · · · · · · cone full range copper neodymium magnet foam surround frequency range 270hz-20khz 36mm square flange 32.5mm cut out 13.1mm depth znom fs nom power re qms qes qts mms cms 8 ohm 153 hz 10 w 6.5 ohm 7.33 1.53 1.27 1.5 g 707 µm/n · 2 magnesium/aluminum cone full range copper · neodymium magnet · rubber surround · frequency range · · · · 150hz-15khz shielded magnet 53mm square flange 48mm cut out 30.5mm depth znom fs nom power re qms qes qts mms cms 8 ohm 220 hz 2 w 6.5 ohm 2.57 0.68 0.56 0.5 g 1057 µm/n sd 5 cm2 bl 2.3 tm vas 0.04 ltrs xmax 0.95 mm peak vc Ø 19 mm sensitivity 2.83v 1m 79 db weight 0.03 kg rec 6 cubic inch sealed f3 270 sd 13 cm2 bl 2.5 tm vas 0.2 ltrs xmax 1.5 mm peak vc Ø 25 mm sensitivity 2.83v 1m 78 db weight 0.12 kg rec 0.5-5 liters sealed f3 150 b2s full range · 2 magnesium/aluminum u2s full range · · · · · · · cone full range copper neodymium magnet rubber surround frequency range 150hz-15khz shielded magnet 53mm square flange 48mm cut out 30.5mm depth znom fs nom power re qms qes qts mms cms 8 ohm 290 hz 5 w 6.5 ohm 5.17 1.43 1.12 1.2 g 261 µm/n · 2 coated aluminum alloy · · · · · · · cone full range neodymium magnet transparent surround frequency range 245hz-20khz shielded magnet 53mm square flange 48mm cut out 30.5mm depth znom fs nom power re qms qes qts mms cms 8 ohm 152 hz 10 w 6.5 ohm 5.69 1.53 1.20 1.6 g 689 µm/n sd 13 cm2 bl 2.5 tm vas 0.2 ltrs xmax 1.5 mm peak vc Ø 25 mm sensitivity 2.83v 1m 78 db weight 0.12 kg rec 0.5-5 liters sealed f3 150 sd 13 cm2 bl 3.0 tm vas 0.1 ltrs xmax 1.8 mm peak vc Ø 25 mm sensitivity 2.83v 1m 83 db weight 0.1 kg rec sealed/open baffle 245hz?

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