Atlas IED CJ46 User Manual
CJ-46
Projector Horn For Wide-Angle Sound Dispersion
General Description
The all-purpose Model CJ-46 wide-angle sound projector screw mounts
to Atlas Sound PD and SD Series compression driv ers to provide
maximum audio penetration through adverse ambient sound levels and
coverage over long distances. For versatile mount ing ap pli ca tions, Model
CJ-46 features a heavy-duty steel mount ing bracket with positive lock for
hori zon tal and vertical po si tion ing in single or stacked multi-unit clusters.
To meet application re quire ments, the prime sound dis per sion axis may
be changed from horizontal to vertical via a 90˚ bell rotation and four
1⁄4" screws. Model CJ-46 is a low silhouette reflex unit manufactured of
non-resonant fiberglass with a spun aluminum re-entrant section. Weight
is 141⁄2 lbs.
Specifications
Dispersion 120°
Low Frequency Cut Off 115Hz
CJ-46
Air Column Length 41⁄2'
Bell Size 22" x 12" (584 x 330mm)
Horn Length 17" (432mm)
Bracket 8
Architect and Engineer Specifications
3
⁄4" (222mm)
Features
• Directional High-Efficiency Reflex Sound Projector with Wide
Angle Dispersion
3
• Equipped with Standard 1
Compression Driver Units
• Heavy-Duty Positive Locking Steel Mounting Bracket for Secure Po si tion ing
• Environment-Resistant Con struc tion for Outdoor/Indoor Applications
⁄8" - 18 Male Threads for Use with
Sound Pressure Levels of Model CJ-46
with Atlas Sound Compression Drivers
PD-30T 125dB
PD-5VH 127dB
PD-5VT 129dB
PD-60A/PD-60TA 129dB
SD-70 131dB
PD75T 131dB
Applications
Reflex projector Model CJ-46 is for directional sound and sig nalling
distribution where wide-angle dispersion and maximum au di bil ity are
re quired. Combine this weatherproof unit with a 13⁄8" - 18 male threaded
com pres sion driver for use at various indoor/outdoor events where
crowds gather in large areas. Model CJ-46 offers positioning flexibility
for horizontal, vertical or stacked clusters enhancing its usage as a sound
system com po nent at various out door ac tivi ties in clud ing political rallies
and sport ing events. The wide-angle sound projector is also ideal for use
with community warning systems and for in stal la tion in manu factur ing
fa cili ties, ware houses, trans por ta tion ter mi nals, and rec rea tional buildings.
©2011 Atlas Sound L.P. All rights reserved. Atlas Sound and Strategy Series are trademarks of Atlas Sound L.P. All other trademarks are the property of their respective owners. ATS001744 RevC 6/11
Sound projector shall be Atlas Sound__________ (Model CJ-46) or
ap proved equal. The weatherproof exponential-flared reflex type unit
shall have an air column length of 41⁄2'. Low frequency cut-off shall
be 115 Hz. Unit shall have a dispersion angle of 120˚ in the plane of
narrower horn dimension and 60˚ in the wider dimension. It shall be
supplied with coupler to accept 13⁄8" - 18 threaded com pres sion driver.
The mount ing bracket shall be of steel with choice of prime directional
sound dis tri bu tion emphasis via rotation of the horn bell. Bell size shall
be 22" W x 12" H x 17"D. Sound projector shall be constructed of nonresonant fiberglass with spun aluminum re-entrant sec tion. Projector
shall have a black finish and weigh 141⁄2 lbs.
MODEL CJ-46 with PD60A Beamwidth
Frequency Q Di Horizontal Vertical
500 6 8 85 125
1000 12 11 70 80
2000 20 13 65 45
4000 33 15 55 30
1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A.
TELEPHONE: (800) 876-3333
FAX (800) 765-3435
AtlasSound.com
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Frequency (Hz)
SPL in dB
CJ-46 Frequency Response
CJ-46 (Normalized to Zero on Axis) (-6dB)
©2011 Atlas Sound L.P. All rights reserved. Atlas Sound and Strategy Series are trademarks of Atlas Sound L.P. All other trademarks are the property of their respective owners. ATS001744 RevC 6/11
1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A.
TELEPHONE: (800) 876-3333
FAX (800) 765-3435
AtlasSound.com
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