Altec Lansing 1218A - Manual (Page 2)

ALTEC 1218A
Type:
Power Rating:
Input Impedance:
Pressure Sensitivity:
Frequency Response:
Crossover Frequency:
Input Connection:
Components:
Enclosure:
Dimensions:
Weight:
Accessory:
SPECIFICATIONS
Portable two-way musical instrument speaker system with wide-
angle coverage
50 watts with high-frequency attenuator in the '0' position. 100
watts power handling capacity may be obtained by setting the HF
attenuator to the '6' position.
8 ohms
102 dB SPL measured at 4' on axis with 1 watt input of pink
noise from 500 Hz to 3000 Hz. Equal to E.I.A. rating of 55 dB
with 1 mW input (Ref.: 0.0002 dyne/cm^).
119 dB SPL measured at 4' on axis with 50 watts input (full
power rating) of pink noise from 500 Hz to 3000 Hz (Ref.:
0.0(K)2 dyne/cm^).
35 Hz to 20 kHz (see Figure 1)
800 Hz, full range dual LC network, 12 dB/octave slope
Two standard phone jacks
1 ALTEC 422-8Z Low-Frequency Musical Instrument Loud­
speaker (421A type)
1 ALTEC 81 IB High-Frequency Sectoral Horn
1 ALTEC 807-8Z High-Frequency Driver
1 ALTEC N809-8A Dividing Network (see Figure 2)
Bass reflex type, %-inch plywood construction with resilient
epoxy spatter finish. Fitted with tubular swivel mount, recessed
die-cast handles and removable latching front cover (see Figure 3).
30’/4" H X 28" W X 19y4" D
(76.84 cm H
X
71.12 cm W x 50.17 cm D)
110 pounds (49.81 kg)
50', 2-conductor cable with standard phone plug on each end
t