| SI 26CT |
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| Audio/acoustic and electrical |
| Speaker type | 2-way ceiling speaker with metal back can |
| Frequency range | 70 Hz to 20 kHz, -10 dB, half space |
| Power capacity | 75 W continuous pink noise 150 W continuous program |
| Nominal sensitivity | 89 dB SPL, 1 W @ 1 m, 16 ohms direct, half space |
| Nominal coverage angle | 110° conical coverage |
| Nominal impedance | 16 ohms |
| Crossover frequency | 3.5 kHz |
| Rotary switch taps | 70V: 60 W, 30 W, 15 W, 7.5 W, 16 ohms direct 100 V: null, 60 W, 30 W, 15 W, 16 ohms direct |
| Woofer | (1) 6.5" (165 mm) polypropylene cone with moisture resistant coating |
| Tweeter | (1) 1.0" (25 mm) titanium dome |
| Overload protection | Full range power limiter with the 16 ohm direct input only, protecting the tweeter, woofer, and crossover |
| Input connector | (1) 5 mm captive screw connector, 4 pole for 1 input and 1 loop-through |
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| General |
| Package | 2 speakers (1 pair) |
| Ambient 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 |
| Mounting | Ceiling mountable with included hardware or optional mounting kit |
| Enclosure type | Metal back can; high-impact, fire-resistant (UL94V-0) plastic baffle/rim |
| Enclosure outer dimensions | 8.3" H x 9.9" diameter (211 mm x 251 mm diameter) 7.5" (191 mm) from front of ceiling tile to back of rear enclosure |
| Cutout dimensions | 8.937" diameter (227 mm diameter) |
| Product weight | Single: 8.0 lbs (3.6 kg) |
| Shipping weight | Pair: 26 lbs (12 kg) with mounting kit package |
| Regulatory compliance | |
| Safety | CE, UL 2043, UL1480 |
| EMI/EMC | CE, NFPA90, NFPA70A |
| Product warranty | 5 years parts and labor |
| NOTE | All nominal levels are at ±10%. |
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| NOTE | Specifications are subject to change without notice. |
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| (8.0-120213-D12) |