Altec Lansing 401C - Manual (Page 2)

ALTEC 40K
SPECIFICATIONS
Power:
Frequency Response:
Distribution:
Sensitivity:
Impedance:
Voice Coil Diameter:
Diameter:
Magnet Type:
Magnet Structure Weight:
Flux:
Mounting Hole Diameter:
Depth:
Weight:
15 watts
60 to 12,000 Hz
90° at 3000 Hz
97 dB (Sound Pressure Level
at 4 ft. from 1.0 watt*)
8.0 ohms
1 . 0 "
8V4"
Indox V
P4lb.
10,250 Gauss
7V8"
31 / 4 "
21/2 lb.
^Equivalent to E.I.A. rating 50 dB at 30 feet from 1.0 milliwatt.
ARCHITECTS AND ENGINEERS SPECIFICATIONS-
The loudspeaker shall be 814" in diameter, and shall have a minimum
sensitivity of 97 dB (SPL at 4.0 feet from 1.0 watt*) measured on axis.
The speaker shall have a continuous power rating of at least 15 watts.
The voice coil shall operate in a magnetic field of at least 10,250 gauss
derived from a ceramic magnet weighing no less than 10 ounces. The
frequency response shall be uniform over the range from 60 to 12,000
Hz and shall be free of peaks. The speaker shall have a broad angle
of coverage to 12,000 Hz. Free air resonance shall not exceed 97 Hz.
The speaker shall be sealed against dirt and magnetic dust. The total
depth of the speaker shall not exceed 3’^".
The speaker shall be the ALTEC Lansing Model 401C.
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LITHO IN USA CP-670-5K
Specifications and cotyiponents subject to change without
notice. Overall performance will be tnaintained or improved.
AL-1763