Description
The SM400i is a 4-inch, coaxial, ported speaker with a low-profile surface mount enclosure design for indoor/outdoor applications that delivers a consistent dispersion pattern (2 to 10 kHz, independently verified.) Mounting hardware isincluded and features a corrosion and theft resistant StealthU-bracket for easy and secure installation. Nearly invisible from sightlines, the StealthU-bracket includes one way fasteners for tool-free, theft-resistant security. SoundTube’s custom engineered driver and electro acoustic network deliver high performance sound in a cost-effective surface mount speaker design. The SM400i speaker incorporates a five-position tap switch with transformer bypass position for simplified ordering and stocking. Corrosion and theft resistant U-bracket mount with safety cable, Euroblock connector, paint mask, terminal weather boot, and port plugs are included. Included port plugs can be used for added weather resisitance. IP-Rating: IP4X.
Specifications
| Color | White |
|---|---|
| UPC | 644216203307 |
| Manufacturer | SoundTube |
| Manufacturer’s Category | SMi Surface Mount |
| Height | 6.97 in / 177 mm |
| Width/Diameter | 9.68 in / 245.9 mm |
| Shipping Weight | 7.3 kg / 3.31 kg |
| Carton Height | 9.5 in / 241.3 mm |
| Carton Length | 11.75 in / 298.45 mm |
| Carton Width | 9.25 in / 234.95 mm |
| Certifications | CE, RoHS, UL1480A |
| Enclosure Properties | ABS Glass Fiber Reinforced, Injection Molded, Ported |
| Enclosure Volume | 154.7 cu in / 2535.08 cu cm |
| Included Accessories | Euroblock, Port Plug, Safety Cable, Terminal Weather Boot, U-Bracket |
| Optional Accessories | White Grille (GRL-SM400-WH)|White Bracket (AC-SM4-WH)|10″ Safety Cable (AC-SM-SC10)|White Weatherboot (WEATHERBOOT-S-WH)|Connector (EUROBLOCK) |
| Source Inputs | 4 Pin 5.08mm Euroblock |
| IP Rating | IP4X |
| Crossover Frequency | 2.3 kHz |
| Directivity Factor (Q) (Averaged 100Hz – 10kHz, @ 2kHz) | 3.7 and 3.9 |
| Directivity Index (DI) dB (Averaged 100Hz – 10kHz, @ 2kHz) | 4.9dB and 5.9dB |
| Frequency Response ( 10 dB) | 76 Hz – 22 kHz |
| Frequency Response ( 3 dB) | 97 Hz – 22 kHz |
| Grille Properties | Aluminum, Powder-Coated |
| Low Frequency Voice Coil | 1 in / 25.4 mm |
| Low Pass Crossover | 12 dB per octave 2nd order |
| Max. Continuous Power RMS | 20W |
| Max. Program Power | 35 W |
| Minimum Impedance ( Ohms) | 3.7 |
| Mounting Depth | 7.47 in / 189.7 mm |
| Network Type: High Pass | 12 dB per octave 2nd order |
| Nominal Impedance ( Ohms) | 4 |
| Tweeter Driver | 1″ Convex Aluminum w/ BroadBeam Waveguide |
| Woofer Driver | 4″ Polypropylene |
| Sensitivity dB @ 1W/1M | 82.5 dB |
| Sensitivity dB @ 2.83V/1M | 85.5 dB |
| Tap Selector | Rotary Switch |
| Transformer Options | 25 / 70.7 / 100 V, 4 Ohm direct |
| Transformer Taps Max. Setting (25V/70.7V/100V) | 2.5W/20W/20W |
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