Altec-lansing 1218A User Manual

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Ì2Ì8A Muskal Instrument Speaker System I2I8A
Designed to meet the high performance standards of professional musicians, the ALTEC
1218A Musical Instrument Speaker System is rated to handle up to 50 watts of continuous
power and produces an extremely wide angle of coverage to afford maximum listening
enjoyment.
All components of the 1218A speaker system are carefully matched:
421A-type (422-8Z) Low-Frequency Musical Instrument Loudspeaker . . . 15" woofer
for high efficiency in reproducing bass and mid-bass sounds. 3" edge-wound voice coil,
rigid cast aluminum frame, powerful magnet.
8118 High-Frequency Sectoral Horn
from 800 Hz to beyond audibility.
massive, cast aluminum, 25" wide. Operates
807-8Z High-Frequency Driver . . . has an extremely rugged voice coil and diaphragm
assembly that handles much more power than conventional drivers. Uniform response
from 500 to 20,000 Hz.
N809-8A Dividing Network ... precision two-section crossover network with HF attenua
tion control, 800 Hz crossover and 12 dB/octave slope. Two phone-jack paralleled inputs.
A sturdy wooden bass reflex enclosure provides excellent bass and mid-bass reproduction.
The 1218A has a resilient epoxy spatter finish. It is portable and is fitted with a tubular
swivel mount, recessed die-cast handles and removable latching front cover. Standard phone
jacks for cable connections and a 50-foot cable accessory make handling and setup easy.
Detailed specifications and descriptions of 1218A system components can be obtained from
their respective ALTEC catalog sheets and brochures.
1515 S. Manchester Ave., Anaheim, Calif. 92803
A DIVISION OF ALTEC CORPORATION
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Summary of Contents

Page 1 - OF ALTEC CORPORATION

Ì2Ì8A Muskal Instrument Speaker System I2I8ADesigned to meet the high performance standards of professional musicians, the ALTEC 1218A Mus

Page 2 - ALTEC 1218A

ALTEC 1218AType:Power Rating:Input Impedance: Pressure Sensitivity:Frequency Response: Crossover Frequency: Input Connection: Components:Enclosure:Di

Page 3 - AITPr dividing network

FREQUENCY IN HERTZ Figure 1. 1218A Frequency ResponseHIGH fiCQUENCV ATIENUAIiON 510 0OOAITPr dividing networkMODEL________N80R -8AFigure 2. N809-8A Di

Page 4 - ALTBC1218A

ALTBC1218A ARCHITECT'S AND ENGINEER'S SPECIFICATIONS-The speaker system shall be the two-way musical instrument type with a stur

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