| Frequency Range (-10dB) |
55 Hz – 20 kHz |
| Frequency Response (±3 dB) |
80 Hz – 17 kHz |
| Power Rating |
IEC System Long-Term Ratings (low-Z direct):
150 Watts Continuous Program Power
75 Watts Continuous Pink Noise (300W peak), 100 hrs |
| Sensitivity |
88 dB (1kHz - 16 kHz) |
| Coverage Angle |
120° conical, constant directivity |
| Directivity Factor (Q) |
5.6 |
| Directivity Index (DI) |
7.3 dB |
| Maximum SPL (1m) |
107 dB (low-impedance, 113 dB peak)
106 dB (top 70V/100V tap) |
| Impedance |
8 ohms (in bypass mode) |
| Transformer Taps |
60W, 30W, 15W, (& 7.5 W @ 70V), plus transformer bypass |
| Transformer Insertion Loss |
0.76 dB @ 60W, 0.70 dB @ 30W, 0.61 dB @ 15W, 0.58 dB @ 7.5W |
| Drivers |
LF Driver: 130 mm (5.25 in)
HF Driver: 20 mm (0.75 in) |
| Input Connectors |
Two removable locking 2-pin connectors with screw-down terminals. Max wire 12 AWG (2.5 mm). Key: 1) + in, 2) - in, A)+ loop thru, B) - loop thru |
| Knockouts |
Two (top, and side) |
| Safety Agency |
Suitable for use in air handling spaces per UL1480 Speakers for Fire Alarm, Emergency and Commercial and Professional Use, complies with UL-2043 Fire Tests for Heat and Visible Smoke Release for Discrete Products, CUL, NFPA-70, NFPA- 90A Installation of Air Conditioning and Ventilation Systems. In accordance with the requirements of IEC60849/EN60849. |
| Dimensions |
250 mm (9.9 in) diameter, 239 mm (9.4 in) mounting depth |
| Ceiling Cutout Size |
220 mm (8.75 in) |
| Ceiling Thickness Range |
Accommodates tiles / drywall up to 70 mm (2.75 in) thick |
| Net Weight |
3.9 kg (8.6 lb) |
| Shipping Weight |
8.6 kg (19.0 lb), pair pack |
| Included Accessories |
C-ring support backing plate, 2 tile support rails (fits both 2 x 4 ft or 600 x 1200 mm tiles), press-in grille, knockout strain relief, cutout template, paint shield, 2 removable locking multi-pin connectors. |
| Optional Accessories |
MTC-26NC New Construction Bracket MTC-26MR Mud Ring Construction Bracket |
| Color |
White |
| Backcan |
formed steel (included "blind-mount") |
| Baffle/Rim |
ABS baffle with UL94-V0 flame class fire rating. |
| Plenum Usage |
Yes, backcan included |
mis à jour : mars 2026
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