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…
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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 ZeroReflectionABS enclosure (4 inch diameter by 3.5 inch deep, including mounting plate). IP-Rating: IP64.
| 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)|Black Transformer (AC-SM31-XFMR-BK)|Black Wall Plate (AC-SM31-MP-BK)|Black Grille (GRL-RS31-BK) |
| 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 ( Ohms) | 8 |
| Mounting Depth | 3.81 in / 96.8 mm |
| Nominal Impedance ( Ohms) | 8 |
| 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 |
We offer fast and reliable shipping worldwide. All orders are carefully packaged and shipped within 1–3 business days after payment confirmation.
Standard shipping, expedited shipping and express delivery options are available at checkout. Delivery time depends on your destination country and local logistics.
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