Altec Lansing 3124 - Manual (Page 2)

LOUDSPEAKER MOUNTING DIMENSIONS
(A) Loudspeaker Diameter: MV a " (31.12 cm)
(B f ) Depth When Front Mounted: 5" (12.7 cm)
(B r ) Depth When Rear Mounted: Sy4" (14.6 cm)
ARCHITECT'S AND ENGINEER'S SPECIFICATIONS
The low frequency loudspeaker shall meet the fol­
lowing criteria. AES power rating, up to 250 watts
of band-limited pink noise (40-400 Hz). Frequency
response, uniform from 30-2000 Hz when
mounted
in a suitable enclosure. Pressure Sensitivity, 93 dB SPL
when measured at 1 meter on axis from front edge of
Altec Model 8124 Loudspeaker System (containing
one model 3124 speaker) with one watt of band
(C) Baffle Opening Diameter: 11’A" (28.26 cm)
(D) Bolt Circle Diameter: 11 Vs" (29.52 cm)
(E) Bolt Hole Slots: 'A" (0.64 cm) x (0.87 cm);
8 slots spaced 45° apart.
limited pink noise from 100-1000 Hz (Ref.: 0.0002
dyne/cm'). Minimum impedance, 8 ohms. Nominal
free-air LF cone resonance, 26 Hz. The voice coil shall
be 3" in diameter, driven by a ferrite magnet having
a flux density of 9,000 gauss. Dimensions, 12" diam-
eterx 5" deep. Weight, 18.5 pounds.
The low frequency loudspeaker shall be the ALTEC
LANSING Model 3124.
А1_ л " е : с :
L-AISISirsIG
1250 NORTH RED GUM STREET, ANAHEIM, CALIFORNIA 92806
ALTEC CORPORATION
LITHO IN U.S.A. 1283-5M Revision 3 AL-2415
42-02-024897