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| 经销商 | 联系方式 | 价格 |
|---|---|---|
| 爱思创Extron电子 | 4000.398766、 021-3760 1568 | 面议 |
| SI 28 Surface Mount Speaker | |||
| Audio/acoustic and electrical | |||
|---|---|---|---|
| Speaker type | 2-way surface mount speaker | ||
| Frequency range | 50 Hz to 20 kHz, -10 dB, full space | ||
| Power capacity | 90 W continuous pink noise 180 W continuous program |
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| Nominal sensitivity | 90 dB SPL, 1 W, 1 m, full space | ||
| Nominal impedance | 8 ohms | ||
| Crossover frequency | 2.1 kHz | ||
| Woofer | (1) 8.0" (203 mm) polypropylene cone with moisture resistant coating | ||
| Tweeter | (1) 1.0" (25 mm) aluminum dome | ||
| Overload protection | Full range power limiter, protecting the tweeter, woofer, and crossover | ||
| Input connector | (1) 2-pin spring terminal | ||
| General | |||
| Package | 2 speakers (1 pair) | ||
| Temperature/humidity | Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing |
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| Mounting | Vertically and horizontally wall mountable with included hardware: wall mountable V-lock brackets | ||
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| Enclosure type | Plastic, trapezoidal, with metal grille and bass reflex port | ||
| Enclosure outer dimensions | 16.5" H x 11.5" W x 8.6" D (41.9 cm H x 29.2 cm W x 21.9 cm D) |
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| Product weight | Single: 15 lbs (6.8 kg) | ||
| Product warranty | 5 years parts and labor | ||
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| (1533-D12) | |||
