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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”
CCoom
mm
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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