| System Type |
4-inch, coaxial, in-ceiling, ported (20-watt transformer
for 25-,70.7-, 100-volt or transformer bypass) |
| Impedance (nominal); |
4 ohm |
| Sensitivity dB @ 2.83 V/l m |
90.0 dB |
| Sensitivity dB @ 1 W/l m2 |
87.0 dB |
| \ requency Response (- 3 dB]' |
90 Hz-22 kHz |
| Frequency Response (-10 dB)3 |
75 Hz-22 kHz |
| Max. Program Power4 |
40 W |
| Max. Continuous Power RMS b |
20 W |
| Max. Power SPL @ 1 m |
100.0 dB |
| Coverage Angle (-6 dB @ 2 kHz) |
100° |
| Coverage Angle (-6 dB @ 10 kHz) |
65° |
| Coverage Angle {Avg. 2 -10 kHz) |
95° |
| Directivity Factor (Q) |
4.6 (avg. 100 Hz -10 kHz) / 4.3 {2 kHz) |
| Directivity Index (Dl) dB |
5.6 dB (avg. 100 Hz -10 kHz) / 6.3 dB {2 kHz) |
| Tap Selector |
1 ive-position rotary switch with transformer bypass |
| Transducer - Low-Frequency Driver |
102 mm (4.00 in) polypropylene cone, butyl rubber surround |
| Iransducer - High-I requency Driver |
25 mm {1.00 in) convex aluminum tweeter |
| Low-Frequency Voice Coil |
19.0 mm (0.75 in) |
| Crossover Frequency |
1.8 kHz |
| Low Pass |
12 dB per octave, 2nd order |
| High Pass |
12 dB per octave, 2nd order |
| Enclosure Material |
Drawn steel backcan with ABS baffle |
| Grille |
Powder coated steel with integrated ABS bezel |
| Inputs |
Four-pin, 5.08 mm Euroblock for individual
or daisy chainbconnection |
| Colors |
Black or white |
| Max. Backcan Diameter |
1537 mm (6.0b in) |
| Backcan Height |
160.4 mm (6.55 in) |
| Visible Diameter |
207.0 mm (8.15 in) |
| Visible Height |
11.9 mm (0.47 in) |
| Min. Ceiling Thickness |
0.6 mm (0.025 in) |
| Max. Ceiling Thickness |
47.5 mm (1.87 in) |
| Mounting Hole Diameter |
167.6 mm (6.60 in) |
| Weight |
2.5 kg (5.5 lbs) |
| Shipping Weight |
3.4 kg (7.5 lbs) |
| Included Accessories |
Tile bridge, Euroblock connector and UL cover plate |
| Optional Accessories |
Pre-construction bracket, AC-CM4-PCB,
junction box, AC-CMi-JBOX |
