Altk 418-8и !л^крвл – Altec Lansing 418-8H User Manual
Page 2
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ALTK 418-8И !л^крвЛ»
Type:
Power Rating:
Frequency Response:
Pressure Sensitivity:
Nominal Impedance:
Nominal Free-Air Cone
Resonance:
Voice Coil Diameter:
Magnetic Assembly —
Magnet Weight:
Assembly Weight:
Magnet Type:
Flux Density:
Construction —
Frame (Basket):
Cone:
Cone Suspension:
Voice Coil:
Voice Coil Support
Material:
Maximum Cone Excursion:
Diameter:
Weight:
Mounting Data —
Mounting Hole Diameter:
Mounting Bolt Centers:
Loudspeaker Depth:
SPECIFICATIONS
Musical instrument loudspeaker
For
sound
system
use
with
amplifiers
having
continuous
power rating of up to 150 watts with program material
45 Hz to 8000 Hz (see Figure 1)
99 dB SPL with 1 watt input of band-limited pink noise from
100
Hz to 10 kHz measured on axis 4' from cone (Ref.:
0.0002 dyne/cm2). Equal to EIA rating of 52 dB SPL meas-
sured on axis 30' from cone with 1 milliwatt input.
98 dB SPL with 1 watt input of band-limited pink noise from
100 to 1000 Hz measured on axis 4'from cone (Ref.;0.0002
dyne/cm^)
8 ohms (other impedances available in production quantities)
55 Hz
3"
2.4 pounds
10.5 pounds
Alnico V
13,000 gauss
Structurally reinforced die-cast aluminum
Molded fiber
High-compliance cloth surround with mechanical resistance
Edge-wound copper ribbon
Aluminum with *Kapton® insulation
1
/
2
"
15-5/16" (38.89 cm)
14 pounds, 6 ounces (6.53 kg)
13-5/8" (34.61 cm) (may be either front or rear mounted)
8holesequallyspacedon 14-9/16" (36.99 cm) diameter circle
7" (17.78 cm)
*Kapton® is a registered trademark of DuPont.