Atlas Sound SM52-B, SM52-W ARCHITECT AND ENGINEER SPECIFICATIONS

Specifications subject to change without notice

1601 JACK MCKAYBLVD. / ENNIS, TEXAS 75119 U.S.A.

TELEPHONE: (800) 876-3333 / FAX (800) 765-3435 AtlasSound.com

Care should be taken to ensure that the chosen fixing point is strong

enough to support the SM52. Care should also be taken to ensure

that the SM52 is not exposed to direct precipitation. A5⁄8"-27 threaded

hole is provided on the C-bracket to allow the SM52 series speaker

to be mounted on any Atlas Sound microphone stand for near-field

live sound applications. 23⁄8" OC brass inserts are also providedon th e

rear of the SM52 to accommodate OMNIMOUNT™ 25 series

brackets. All inserts for mounting knobs are standard 1⁄4"-20 to

allow easy substitution of off-the-shelf vandal-proof torx head or

"one-way" hardware. Input connectors include a sealed 1⁄4" phone

jack and touch-proof 5-way binding posts capable of accepting up to

#12AWG cable. 1⁄4" jack and binding posts are paralleled to allow

"daisy chain" connections between the two connector types.

Atongue-in-groove cover with rubber wire exit grommet is provided

to insure input connections are protected. Systems are available in

black or white and can be painted to accommodate any architectural

considerations.

ARCHITECT AND ENGINEER SPECIFICATIONS

The indoor/outdoor mini-loudspeaker system shall be Atlas Sound

Model __________ (SM52-B or SM52-W) or approved equal.

Assemblies shall consist of 2-way, woofer and tweeter, within environment-

resistant housings. Enclosure shall be constructed of paintable

UV-resistant, talc impregnated, polypropylene, injection molded plastic

finished in black (SM52-B) or white (SM52-W). Each unit shall include

a stamped, powder coated, aluminum grille and removable C-shaped

mounting bracket. All hardware inserts shall be brass and threaded

1⁄4"-20. The 100 Watt RMS system shall have a 51⁄4" (133mm) woofer,

constructed of reinforced polypropylene and a 1" (25mm) FerroFluid

tweeter. The dividing network crossover frequency shall be 5000 Hz.

The dividing network shall include protection circuits for the high-fre-

quency component. The loudspeaker system shall meet the following

performance criteria: Power handling, 100 Watts RMS; Frequency

response, ±3dB from 85 Hz to 20 kHz; Pressure sensitivity, 90dB SPL

at one watt, 100 Hz to 10 kHz measured at a distance of one meter

on axis. Impedance shall be 8 ohms nominal. Input connectors shall

include (1) sealed 1⁄4" phone jack and (1) 5-way touch-proof binding

post. Atongue-in-groove cover with rubber wire exit grommet shall be

provided to protect the input connectors. The loudspeaker system

shall exhibit no performance or cosmetic degradation after a 100 hour

salt spray test per ASTM B117 The unit shall be 103⁄16"(25.8cm) high,

67⁄8" (17.5cm) wide, 57⁄8" (14.85cm) deep.

SM52 Frequency Response

SM52 Horizontal Distortion

FREQUENCY (Hz)

SPL in dB

FUNDAMENTAL

3RDHARMONIC

2NDHARMONIC