360° horizontal, 160° vertical (primary listening 10° to 50° up from ground)
Directivity (Q)
2.1
Directivity Index (DI)
3.2 dB
Rated Maximum SPL
108 dB @ 1m
Nominal Impedance
8Ω (at 8Ω setting)
Minimum Impedance
6.6Ω at 9.5kHz
Insertion Loss
<0.5 dB at any tap setting
Thru Setting
8Ω nominal
Crossover Type
2nd Order LPF on LF and 2nd Order HPF on HF
Recommended Protective High-Pass
45 Hz for 8Ω operation, 24 dB/oct 80 Hz for 60W tap, 24 dB/oct 50 Hz for 30W, 7.5W, and 7.5W taps, 24 dB/oct
Low Frequency Driver
200 mm (8.00 in) diameter LF driver, Kapton? former, 38mm (1.5 in) voice coil, polypropylene cone and polyurethane surround.
High Frequency Driver
25mm (1.0 in) diameter HF driver Polyetherimide (PEI) dome
Terminals
Bare wire with dielectric-gel-filled wire nuts (internal to top speaker section)
Wiring
Water ingress protected by two stages of gland nuts, one mounted on outside of enclosure (installed by installer via drilling 22 mm (0.875 in, 7/8 in) hole in any of multiple provided locations) and one between the bottom base and top speaker sections. Included gland nuts require round-jacketed wire with outside diameter between 4.0 mm and 9.0 mm (0.16” in and 0.35” in). For Installation instructions, see Installation Guide (#IS-C80MLS).
