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© 2003 Directed Electronics, Inc
SPECIFICATIONS
Directed model 680
Frequency response 40 Hz - 21 kHz
Power handling RMS 60 watts
Power handling peak 120 watts
Impedance 4 ohms
Magnet weight 52.82 g
Vas 8.8L
Fs 68 Hz
Qts 0.52
Efficiency (1W/1M) 90 dB
Mounting Depth 2-6/8”
Mounting hole diameter 7-11/16” x 5-3/8”
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Magnet type Neodymium
Magnet diameter 1-7/8”
Voice coil former Kapton Polyimide
Voice coil diameter 25 mm (1”)
Voice coil layers 4
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Fs 1.2 kHz
Efficiency (1W/1M) 90 dB
Crossover 12 dB per octave with
tweeter protection