L18RNX/P H1224

L18RNX/P H1224
L18RNX/P
H1224
L18RNX/P is a 6,5” High Fidelity woofer with an injection moulded
metal chassis, intended for bass reflex and transmission line designs.
Stiff, yet light aluminum cone and low loss rubber surround show
no sign of the familiar 500-1500 Hz cone edge resonance and distortion
assosiated with soft cones.
Large magnet system gives good transient response, and the bumped back plate
together with the very long, and light weight copper clad aluminum voice coil allow
for extreme coil excursion with low distortion.
Extremely stiff and stable injection moulded metal basket, keeps the critical components in perfect alignment. Large windows in the basket both
above and below the spider reduce sound reflection, air flow noise and cavity resonance to a minimum.
100
50
95
90
40
85
SPL [dB]
30
75
70
20
65
60
Impedance [ohm]
80
10
55
50
10
0
100
1 000
10 000
Frequency [Hz]
The frequency responses above show measured free field sound pressure in 0, 30, and 60 degrees angle using a 12L closed box. Input
2.83 VRMS, microphone distance 0.5m, normalized to SPL 1m.The dotted line is a calculated response in infinite baffle
based on the parameters given for this specific driver. The impedance is measured in free air without baffle using a 2V
sine signal.
Nominal Impedance
8 Ohms
Voice Coil Resistance
5.8 Ohms
Recommended Frequency Range
40 - 2500 Hz
Voice Coil Inductance
1.06 mH
Short Term Power Handling *
250 W
Force Factor
7.2 N/A
Long Term Power Handling *
100 W
Free Air Resonance
36 Hz
Characteristic Sensitivity (2,83V, 1m) 88 dB
Moving Mass
13.6 g
Voice Coil Diameter
39 mm
Air Load Mass In IEC Baffle
0.82 g
Voice Coil Height
18 mm
Suspension Compliance
1.4 mm/N
Air Gap Height
6 mm
Suspension Mechanical Resistance
1.56 Ns/m
Linear Coil Travel (p-p)
12 mm
Effective Piston Area
126 cm2
Maximum Coil Travel (p-p)
22 mm
VAS
30 Litres
Magnetic Gap Flux Density
1.0 T
QMS
2.09
Magnet Weight
0.64 kg
QES
0.36
Total Weight
1.92 kg
QTS
0.31
Sept 2007-1
RoHS compliant product
*IEC 268-5
SEAS reserves the right to change technical data
W18-512
www.seas.no
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