The SM52-EZ is a cost-conscious, durable, surface-mount loudspeaker. One 5.25 inch polypropylene woofer and one 1.0 inch soft dome tweeteride. 32-watt low-insertion loss transformer with maximum output. Easy-access six-position selectable tap switch for 25-, 70.7- and 100-volt applications with transformer bypass position. Powder-coated aluminum grille. Included pre-mountable surface-mount bracket allows for quick and easy division of labor. UL 1480 (UEAY) approved, EN52-24 Pending. Included accessories: Safety cable, wall mount bracket and conduit connector.

Specifications: SM52-EZMounting hardware included
Nominal Impedance8 ohm
Impedance (min)8 ohm
Sensitivity dB @ 2.83V/1M84.0dB
Sensitivity dB @ 1W/1M (2)84.0dB
Frequency Response (± 3 dB)65 Hz - 20 kHz
Frequency Response (±10 dB)55 Hz – 22 kHz
Max. Program Power100W
Max. Continuous Power RMS50W
Max. Power SPL @ 1 M101 dB
Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz)6.9 (Average 100 Hz - 10 kHz) 5.9 (2 kHz)
Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz)5.2dB (Average 100 Hz - 10 kHz) 7.7dB (2 kHz)
Tap Selector6 Position rotary switch with transformer bypass
70.7 Volt Transformer Taps32W / 99dB
100 Volt Transformer Taps (dB)32W / 99dB
25 Volt Transformer Taps (dB)4W / 90dB
Transformer Options25 / 70.7 / 100 Volt option, with an 8 Ohm bypass
Transducer - Low Frequency Driver5.25" Polypropylene Cone w/ Butyl Rubber Surround
Transducer - High Frequency Driver1″ Silk dome w/ BroadBeam Ring™
Network Type: Low Pass12dB per octave, 2nd order
Network Type: High Pass12dB per octave, 2nd order
Coverage Angle (-6 dB @ 2 kHz)91 horizontal
120 vertical
ColorsBlack or white
Inputs4 Pin, Ceramic terminal strip for daisy chain connection
Height (SM = Height)301.8 mm / 11.9 in
Diameter (SM = Width)190.5 mm / 7.5 in
SM Depth (Including Bracket)168.4 mm / 6.6 in
Weight4.3 kg / 9.5 lb
Shipping Weight4.5 kg / 9.8 lb
Accessories Includedport plug, Wall Mount Bracket, Safety Cable, back cover
Packaging1 per box
Regulatory - ULplanned UL1480A
Regulatory - CEApproved
Regulatory - IPIP65
Regulatory - EN54Planned