Atlas Sound SD-370A - Manual (Page 2)

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TELEPHONE: (800) 876-3333 / FAX (800) 765-3435
AtlasSound.com
Specifications subject to change without notice
© 2006 Atlas Sound LP Printed in U.S.A. ATS002453 RevA 8/06 SL7-1546
SD-70 Impedance SD-70 Plane Wave Tube Response
SD-370A Impedance SD-370A Plane Wave Tube Response
ARCHITECT & ENGINEER SPECIFICATIONS
Siren loudspeaker shall be Atlas Sound Model (SD-70, SD-370A) or
approved equal. Assembly shall have a full-range power capacity of
______ Watts RMS. Rated frequency response range shall be ____
____________ Hz ±5dB when measured on a plane wave tube at 1
mW. Unit shall have a sound pressure output of ______dB at rated power when measured on a plane wave tube at 1 mW. Driver shall be
capable of standard indoor/outdoor use and be fully-weather resistant.
Units shall terminate in the industry standard 1
3 ⁄
8
" – 18 thread pattern.
Diaphragm material shall be high-temperature molded phenolic.
NOTE: Plane wave tube measurements provide resistive loads to test drivers. Actual frequency
response of a driver / horn combination will vary depending on the horn used with the driver. Consult
individual horn specification sheet for typical horn frequency response.