Information Sheet
©2020 Atlas Sound LP. The Atlas “Circle A”, Soundolier, and Atlas Sound are trademarks of Atlas Sound L.P. IED is a Registered Trademark of Innovative Electronic Designs LLC. All rights reserved.
All other Trademarks are property of their respective owners. No endorsement is implied. Due to continual product development, specifications are subject to change without notice. ATS002841 RevB 4/20
AtlasIED.com
TELEPHONE: (800) 876-3333
SUPPORT@ATLASIED.COM
1601 JACK MCKAY BLVD.
ENNIS, TEXAS 75119 U.S.A.
Architect and Engineer Specications
The loudspeaker system shall include a high performance 4.0 inch
coaxial loudspeaker in a ported bass reflex enclosure and press-fit
aluminum grille for conventional ceiling installation via cable or down
tube mounting system.
Frequency response for the system shall be 70Hz - 20kHz (±5dB).
Sensitivity shall be 88dB average. Magnet shall be a minimum of
10 oz. (264 g) and the voice coil diameter shall be 1" (25 mm).
Transformer shall be (70.7V / 100V) volt type with 1, 2, 4, 8, & 16
Watts primary taps (@ 70.7V) and a transformer bypass position for
8Ω direct coupled operation on an integrated 8 position terminal
block.
The loudspeaker shall be the AtlasIED PM4FA (-W or-B).