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© 2003 Directed Electronics, Inc
SPECIFICATIONS
Directed model s550 s650
Frequency response 45Hz-21kHz 40Hz-21kHz
Power handling RMS 50 60
Power handling peak 100 120
Impedance 3.764 3.435
Magnet weight 52.82 g 5282 g
Vas 3.25L 9.28L
Fs 88.63 Hz 65.44 Hz
Qts 0.42 0.33
Efficiency (1W/1M) 89.209 89.718
Mounting Depth 2.12 2.45
Mounting hole diameter 4.75 5.5
CCoommmmoonn DDrriivveerr SSppeecciiffiiccaattiioonnss::
Magnet type Neodymium Neodymium
Magnet diameter 1” 1”
Voice coil former Kapton Kapton
Voice coil diameter 1” 1”
Voice coil layers 4 4
TTwweeeetteerr::
Fs 1.2 kHz
Efficiency (1W/1M) 90 dB
Crossover 12 dB per octave with
tweeter protection