kweezinarts Posted March 25, 2010 Report Share Posted March 25, 2010 whats a good BL to have? no alot of mfg's tell you this spec... the new (old style) RE SX10D4 i just picked up has a Force Factor -BL of 21... Peep my tunes... '99 Audi A4 Q 1.8t Knu 1/0 Big 3 Kenwood Excelon KDC-X891 HU US Amps Merlin MD2D 2ohm @ 1000w RMS 1x RE SX10D4 in custom ported 1" MDF box 1.25cf @ 34hz 4x Audiobahn 90w RMS 4" 2-ways 2x Kenwood Excelon 110w RMS 6x9 3-ways 2x Stock Bose high door tweets Link to comment Share on other sites More sharing options...
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