Altec Lansing 405-8H - Manual (Page 2)

MOUNTING DIMENSIONS
(A) LOUDSPEAKER DIAMETER:
(B) LOUDSPEAKER DEPTH:
(C) BAEELE OPENING DIAMETER
(Eront Mounted)
(C) BAEELE OPENING DIAMETER
(Rear Mounted)
(D) BOLT CIRCLE DIAMETER:
(E) BOLT HOLE SLOTS:
MODEL 405-8H MODEL 405-8HT
405-8HT
LEAD COLOR WATTS
5.312” (13.49 cm)
2.125” (5.40 cm)
4.125” (10.48 cm)
5.312” (13.49 cm)
4.063” (10.32 cm)
4.125" (10.48 cm)
3.812" (9.68 cm) 3.812” (9.68 cm)
Black
Green
Yellow
Red
Brown
Common
4W
2W
1W
1/2 W
4.75” (12.07 cm)
0.20” (0.52 cm) x
0.25” (0.64 cm)
SPECIFICATIONS ARCHITECT'S AND ENGINEER'S
MODEL 405-8H
The loudspeaker shall meet the following perform­
ance and structural criteria. Power rating, 15 watts.
Frequency response, uniform from 60-15,000 Hz.
Pressure sensitivity, 91 dB SPL when measured at 4'
on axis with 1 watt input of band-limited pink noise
from 500-3000 Hz (Ref.: 0 dB = 0.0002 dyne/cm^).
Impedance, 8 ohms. Nominal free-air cone reso­
nance, 120 Hz. The voice coil shall have a diameter
of 1” and shall operate in a magnetic field of 10,250
gauss derived from a ceramic (V) magnet weighing
at least 1V4 pounds. The loudspeaker shall be able
to perform efficiently in a volume as low as 0.1
cubic feet. The loudspeaker frame shall be of solid,
welded steel construction. The speaker terminals
shall be of the spade lug type. Dimensions, 5.312”
diameter x 2.125" deep. Weight, 2 pounds, 1 ounce.
The loudspeaker shall be the Altec Lansing Model
405-8H.
4.75” (12.07 cm)
0.20” (0.52 cm) x
0.25" (0.64 cm)
MODEL 405-8HT
The loudspeaker shall meet the following perform­
ance and structural criteria. Power rating, 15 watts.
Frequency response, uniform from 60-15,000 Hz.
Pressure sensitivity, 91 dB SPL when measured at 4'
on axis with 1 watt input of band-limited pink noise
from 500-3000 Hz (Ref.: 0 dB = 0.0002 dyne/cm').
Impedance, 8 ohms. Nominal free-air cone reso­
nance, 120 Hz. The voice coil shall have a diameter of
1" and shall operate in a magnetic field of 10,250
gauss derived from a ceramic (V) magnet weighing
at least 1V4 pounds. The loudspeaker shall be able
to perform efficiently in a volume as low as 0.1 cubic
feet. The loudspeaker frame shall be of solid, welded
steel construction. The speaker terminals shall be of
the spade lug type. Dimensions, 5.312” diameter x
4%" deep. Weight, 2 pounds, 9 ounces.
A 70-volt line transformer shall be incorporated for
use in distributed systems, and shall have a frequency
response of ±1 dB from 100-10,000 Hz, with maxi­
mum insertion loss of 1.0 dB and primary wattage
taps of 4, 2, 1 and 0.5 watts.
The loudspeaker shall be the Altec Lansing Model
405-8HT.
ROW
1
(1:2)
ROW 2 (2 : 6)
1250 NORTH RED CUM STREET, ANAHEIM, CALIFORNIA 92806
ALTEC CORPORATION
LITHO IN U.S.A. 1283-2.5M Revision 2 AL-2291