Atlas™ SM42T-B ATL1037KIT 4” 2-Way Weather Resistant Speaker System with 70.7V/100V-16W Transformer (Pair)


Atlas™ SM42T-B 4” 2-Way Weather Resistant Speaker System with 70.7V/100V-16W Transformer and 8Ω Bypass (Each/Black)

Use Atlas Sound™ Surface Mount loudspeaker systems for commercial, professional, and residential applications or where high-fidelity sound and weather-resistance are desired. Environment-resistant SM Series loudspeaker systems offer quality sound reproduction and contemporary styling in a compact enclosure.


Versatile Install

Full-range frequency response makes these systems ideal for indoor and outdoor installation, in monaural and stereo foreground or background music systems, and for applications in shops, restaurants, recreation / sports centers, and houses of worship. Multi-position, C-shaped mounting bracket and rugged construction provide optimum installation flexibility and assurance of long-term service.


Smooth Sound Coverage

System components consist of a highly efficient woofer section and FerroFluid cooled, titanium 1" dome exit compression driver frequency device. Vocal and musical clarity is optimized by the mathematically conceived, advanced design of the Atlas Sound™ TRX Control WaveGuide™ high frequency director. This design provides smooth, even sound coverage (65°H x 65°V). The high frequency section is symmetrical, for equal coverage in both vertical and horizontal cabinet mounting positions. High frequency component protection is provided by the Atlas Sound PolyGuard™ protection circuit.


70V Transformer

The SM42T includes an internally mounted 60 watt 70.7V/100V line matching transformer with screwdriver adjustable tap selection for use in distributed sound applications and an 8Ω bypass.


Superior Construction

To withstand the harshest environments, the Strategy Series® SM42T surface mount loudspeakers are constructed of weather resistant materials: UV-resistant, talc impregnated, polypropylene injection molded cabinets; HYCONE Treated Paper woofer cones; powder coated aluminum grilles and all brass hardware. The SM42T may even be painted to accommodate any architectural considerations. Also, a tongue-in-groove cover with rubber wire exit grommet is provided to protect the input connections and transformer switch assembly from moisture.


C-Bracket Mounting

The Strategy Series speaker systems include a versatile, yet simple, C-bracket designed to provide easy vertical or horizontal installation on just about any surface. A 5/8” 27 threaded hole is provided on the C-bracket to allow the SM42T speaker to be mounted on any Altas Sound™ microphone stand for near-field live sound applications. Four, 4 ¼” x 2”, OC brass inserts are also provided on the rear on the SM82T to accommodate OMNIMOUNT™ 30 series brackets (Model 30.0 WB recommended for wall mounting).


Selectable Power

Input connectors include a two pole barrier strip with wire capture “caps” capable of accepting up to two #16AWG cables. 0.94, 1.9, 3.7, 7.5, 15, 30 and 60 watt taps, plus a transformer bypass setting for direct coupled 8Ω operation are screwdriver selectable via a sealed switch located near the input section on the rear of the cabinet.


Atlas Sound

Atlas Sound and Innovative Electronic Designs (IED) have been providing communication solutions to the world collectively for over 120 years. Atlas Sound and IED have been sister companies since 2009, operating independently but with combined oversight at the executive management level. In 2015 Atlas Sound and IED have combined their sales, marketing, and support teams to better serve their combined customers and the various market segments they serve.


Speaker Type Surface Mount
Frequency Response 115Hz-16kHz
Sensitivity 88dB
Height 7” (17.78 cm)
Width 5” (12.7 cm)
Depth 5 15/16” (15.03 cm)
Shipping Weight 5 lbs (2.27 kgs)

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