The SM31-EZ is a premium full range 3 inch surface mount speaker, with overall dimensions smaller than a 4 inch sphere. The speaker incorporates a theft and corrosion resistant mounting mechanism with indexed swivel joint for complete hemispherical aiming. SM31-EZ speaker components have been weatherized for indoor and outdoor applications. The SM31-EZ is an 8 ohm speaker with an ultra-low profile ZeroReflection™ ABS enclosure (4 inch diameter by 3.5 inch deep, including mounting plate). IP-Rating: IP64.
Specifications
| Color |
White |
| UPC |
752830446489 |
| Manufacturer |
SoundTube |
| Manufacturer's Category |
SM-EZ Economical Surface Mount |
| Height |
4.35 in / 110.5 mm |
| Width/Diameter |
4.35 in / 110.5 mm |
| Shipping Weight |
1.85 lbs / 0.84 kg |
| Carton Height |
6.25 in / 158.75 mm |
| Carton Length |
6.5 in / 165.1 mm |
| Carton Width |
6.25 in / 158.75 mm |
| Certifications |
CE, RoHS, UL1480A |
| Enclosure Properties |
ABS Glass Fiber Reinforced, Injection Molded, Sealed |
| Enclosure Volume |
60 cu in / 983.22 cu cm |
| Optional Accessories |
Junction Box (AC-SM31-JBOX)|White Transformer (AC-SM31-XFMR-WH)|White Wall Plate (AC-SM31-MP-WH)|White Grille (GRL-RS31-WH) |
| Source Inputs |
Terminal Strip |
| IP Rating |
IP64 |
| Coverage Angle (±6dB @ 2kHz) |
43° |
| Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz) |
4.9 and 7.1 |
| Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz) |
5.1dB and 8.5dB |
| Frequency Response (± 10 dB) |
120 Hz - 22 kHz |
| Frequency Response (± 3 dB) |
170 Hz - 14 kHz |
| Grille Properties |
Aluminum, Powder-Coated |
| Low Frequency Voice Coil |
0.75 in / 19 mm |
| Max. Continuous Power RMS |
20W |
| Max. Program Power |
40 W |
| Minimum Impedance (Ω Ohms) |
8 Ω |
| Mounting Depth |
3.81 in / 96.8 mm |
| Nominal Impedance (Ω Ohms) |
8 Ω |
| Fullrange Driver |
3" Polypropylene driver with butyl rubber surround |
| Sensitivity dB @ 1W/1M |
85 dB |
| Sensitivity dB @ 2.83V/1M |
85 dB |
| Transformer Options |
25 / 70.7 / 100 V |
