360° horizontal, 160° vertical (primary listening 10° to 50° up from ground)
Directivity (Q)
2.2
Directivity Index (DI)
3.4 dB
Maximum SPL
105 dB @ 1m
Nominal Impedance
8Ω (at 8Ω setting)
Insertion Loss
<1.0 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
65 Hz for 8Ω operation, 24 dB/oct ; 60 Hz for 30W tap, 24 dB/oct ; 50 Hz for 15W, 7,5W, and 3.7W taps, 24 dB/oct
Low Frequency Driver
135 mm (5.25 in) diameter LF driver, Kapton? former, 35.5mm (1.4 in) voice coil, polypropylene cone and polyurethane surround.
High Frequency Driver
19mm (0.75 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).
