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Technic details
Specifications
Type:
3-way, 3 speakers, passive radiator, floor type loudspeaker system
[Units used]
Woofer:
Cone type x 1
Diameter:
31.5cm (15”)
Passive radiator:
Cone type x 1
Diameter:
31.5cm (15”)
For mid-range:
Dome type x 1
Diameter:
5cm (2”)
For high region:
Dome type x 1
Diameter:
2.5cm (1”)
Recommended amplifier power:
20 to 180W (Sine)
Nominal input power:
175W
Music input power:
250W
Nominal impedance:
4Ω
Frequency characteristic:
27Hz to 22kHz (DIN)
33Hz to 20kHz (-3dB)
Sound pressure level:
91dB / W / m
Distortion factor:
0.5% (91dB SPL, 2m)
Crossover frequency:
Low / Mid - 730Hz
Mid / High - 2.8kHz
Network:
12 / 17 dB / oct.
20 / 28 dB / oct.
[Control range]
Mid-level:
0 / -2dB / -4dB / -6dB / At 1kHz
High level:
0 / -2dB / -4dB / -6dB / At 10kHz
Dimensions (W x H x D):
460 x 1 106 x 388mm
Weight:
50kg
Year:
1981
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