Altec Lansing 1230C - Manual (Page 2)

SPECIFICATIONS
Type:
Components:
Power Rating:
Frequency Response:
Impedance:
Pressure Sensitivity:
Equivalent EIA Rating:
Multi-purpose,
coaxially-mounted
loudspeaker
system
617-8A Duplex
Loudspeaker with
Dividing Network
Long-Term Broad-Band
Maximum Power:
Up to 60 watts of
band-limited
pink
noise (50 to 15,000 Hz)
80 Hz to 15,000 Hz
8 ohms
98 dB SPL measured at
4' on axis with 1 watt
input of pink noise
band-limited from
250 Hz to 5,000 Hz
116 dB SPL measured at
4' on axis with 60 watts
input of pink noise
band-limited from
250 Hz to 5,000 Hz
51 dB SPL measured at
30' on axis with 1 mW
input
Distribution Pattern:
Crossover Network:
Input Connections:
Enclosure:
Finish:
90° (conical)
Dual full-section
1500 Hz crossover,
12 dB/octave slope
Two standard
phone jacks, parallel
wired
Heavily braced, rigid
enclosure of
particle board
Mar-resistant textured
black with edge
protectors and carrying
handle
19.5" (49.5 cm) H x
22" (55.9 cm) Wx14"
(35.5 cm) D
60.5 lb (27.5 kg)
52 lb (23.6 kg)
Dimensions:
Shipping Weight:
Actual Weight:
Accessories (included): 50', 2-conductor cable
with standard ’A"
phone plug on
each end
Voice Coil Diameter
Voice Coil Material:
Magnetic Assembly Weight:
Magnet Material:
Flux Density:
Dimensions:
Weight:
ARCHITECT AND ENGINEER SPECIFICATIONS
617-8A Duplex Coaxial Loudspeaker System
LF HF
3" IV2"
Copper wire Copper-clad aluminum wire
4.8 lb 8.5 oz
Ceramic Ceramic
12,000 gauss 11,400 gauss
I2V4" (31.1 cm) Diameter, (19.7 cm) Depth
25.5 lb (11.6 kg)
The loudspeaker system shall include a 617-8A
Duplex Coaxial Loudspeaker with dividing net-
work/dual full-section 1500 Hz crossover,
12 dB/octave slope.
The system shall meet the following structural
and performance criteria. The enclosure shall be
constructed of heavily braced ^4" plywood,
with edge protectors, shall be acoustically
damped with sound-absorbent material, and
shall allow for position at 90° and 45° angles,
referenced to a floor-plane mounting surface.
Finish shall be of mar-resistant textured black.
Power capacity, up to 60 watts of continuous
pink noise band-limited from 50 Hz to 15,000
Hz. Frequency response, 80 Hz to 15,000 Hz.
Pressure sensitivity, 98 dB SPL at 4' when meas­
ured on axis with 1 watt input of pink noise
band-limited from 250 Hz to 5,000 Hz. Imped­
ance, 8 ohms. Distribution pattern, 90° conical.
Maximum dimensions, 19.5" H x 22" W x 14" D.
Weight, 70 pounds.
The loudspeaker system shall be the ALTEC
Model 1230C.
ALZTEIC
LAISISirsIG
1515 SOUTH MANCHESTER AVENUE, ANAHEIM, CALIFORNIA 92803
ALTEC CORPORATION
LITHO IN U.S.A. 1281-2.5M AL-1202-2