Altec Lansing 902-8T - Manual (Page 2)

ARCHITECT'S AND ENGINEER'S SPECIFICATIONS
The compression driver loudspeaker shall meet the fol­
lowing criteria. Power capacity; 10 watts continuous
pink noise, band-limited from 1200 Hz to 20 kHz
(902-8A, 902-16A), and from 500 to 20 kHz (902-8T),
measured on Altec 51 IB horn. Frequency response,
uniform from 1200 Hz to 20 kHz (902-8A, 902-16A),
and from 500 Hz to 20 kHz (902-8T). Pressure sensi­
tivity; 104 dB SPL measured at 4' from mouth of Altec
51 IB horn with 1 watt input of pink noise, band-
limited from 1200 Hz to 5 kHz. The voice coil shall be
of edgewound aluminum ribbon and shall operate in a
magnetic gap having a flux density of 18,000 gauss
derived from a 40-ounce Ferrite V magnet. The dia­
phragm shall be an aluminum tangential. A Tangerine®
phasing plug with 13 radial acoustic slots shall be
utilized to provide the proper phase relationship be­
tween the sound emanating from the center and edges of
the diaphragm and voice coil assembly. The entire dia­
phragm and voice coil assembly shall be field replace­
able without requiring special tools or skills. The driver
shall be
5V2" in diameter by 2%" deep (excluding 1"
depth of mounting studs), and shall weigh 6 pounds, 6
ounces.
902-8A Driver
The driver shall have a minimum impedance of 8 ohms
and shall operate at a crossover frequency of 1200 Hz
or higher.
The compression driver loudspeaker shall be the Altec
Model 902-8A.
902-16A Driver
The driver shall have a minimum impedance of 16
ohms and shall operate at a crossover frequency of
1200 Hz or higher.
The compression driver loudspeaker shall be the Altec
Model 902-16A.
902-8T Driver
The driver shall have a minimum impedance of 8 ohms
and shall be equipped with a loading cap for operation
at a crossover frequency of 500 Hz or higher.
The compression driver loudspeaker shall be the Altec
Model 902-8T.
ALTTEC:
L-AMSIING
1515 SOUTH MANCHESTER AVENUE, ANAHEIM, CALIFORNIA 92803
ALTEC CORPORATION
%
LITHO IN U.S.A. 880-5M AL-2402-1