Frequency response: pressure sensitivity, Equivalent eia rating, Vertical – Altec Lansing 1207C User Manual
Page 2: Input connection, Enclosure, Dimensions, Optional (must be ordered separately)
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SPECIFICATIONS
Power Rating:
Frequency
Response:
Pressure Sensitivity:
Equivalent EIA Rating:
Impedance:
Distribution Pattern —
Florizontal:
Vertical:
75 watts continuous pink
noise
70-11,000 Hz
96 dB SPL at 4' when
measured on axis in the far
(free) field with 1 watt input
of band-limited pink noise
from 500-3000 Hz and
calculated to 4' equivalent
(Ref.: 0 dB = 0.0002
dyne/cm^)
49 dB SPL at 30'with 1 mW
input
12 ohms
Wide angle, 60° (120° and
more at 2000 Hz and lower)
Narrow angle, 7.5° (30° and
more at 700 Hz and lower)
Input Connection:
Enclosure:
Dimensions:
Weight:
Accessories-
Included:
Optional (must be
ordered separately):
2 standard 'A" diameter
phone jacks in rear panel
casting
Sturdy 14" material, heavily
braced and lined with
acoustical damping material,
black Lavant vinyl covering,
heavy vinyl edge bumpers
and carrying handle
56V4" (142.9 cm) H x 14"
(35.6 cm) W
x
12V4" (31.1
cm) D
64 pounds (29.0 kg)
50', 2-conductor cable with
standard ’A" phone plug on
each end
ALTEC Vinyl Slipcover
ARCHITECT'S AND ENGINEER'S SPECIFICATIONS
The portable column speaker system shall consist of six
8" cone-type radiators, vertically arrayed in
a rigid enclosure of heavily braced V
4" material, lined with acoustical damping material, and having
vinyl covering, heavy vinyl edge bumpers and carrying handle. The system shall meet the following
performance criteria. Power rating, 75 watts of continuous pink noise. Frequency response, uniform
from 70-11,000 Hz. Pressure sensitivity, 96 dB SPL at 4' when measured on axis with 1 watt input of
band-limited pink noise from 500-3000 Hz (Ref.: 0 dB = 0.0002 dyne/cm^). Impedance, 12 ohms.
Distribution pattern; 60° horizontal (120° and more at2000 Hz and lower). 7.5° vertical (30° and more
at 700 Hz and lower). The system shall be 56V4" H x 14"W x
1 2 V4"D and shall weigh 64 pounds.
The portable column speaker system shall be the ALTEC Model 1207C.
1515 SOUTH MANCHESTER AVENUE, ANAHEIM, CALIFORNIA 92803
LITHO IN U.S.A. CP-874-5K
AL-1803-2