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The blackCM800I 8" Coaxial In-Ceiling Speaker by SoundTube is a two-way, blind-mount, in-ceiling speaker design that delivers extended low ended response and optimal off-axis performance. SoundTube's propriety BroadBeam waveguide tweeter system delivers consistent high performance audio across the operating bandwidth. Mounting hardware is included and features a fast and secure constant-tension, fixed-wing mounting system.
One 8" polypropylene woofer and one 1" convex titanium tweeter
Patented BroadBeam waveguide technology delivers a consistent BroadBeam dispersion pattern for maximum coverage area per speaker
Accessible six-position tap switch for 25/70.7/100 V applications and transformer bypass position
Incorporates a steel grille with protective powder coated finish for lasting durability
In the Box
SoundTube Entertainment CM800I 8" Coaxial In-Ceiling Speaker (Black)
Limited 5-Year Warranty
Table of Contents
8" coaxial, in-ceiling
Transformer Isolation Voltage
66 W for 25/70.7/100 V or transformer bypass
90 dB @ 2.83 V/1 m 90 dB @ 1 W/1 m (sensitivity determined using nominal impedance)
97 Hz - 22 kHz @ -3 dB 71 Hz - 22 kHz @ -10 dB (Measured in half or full space as dictated by speaker mounting configuration)
Max. Program Power
250 W (Max program power is 3 dB above max continuous power)
Max. Continuous Power RMS
125 W (Continuous power rating, EIA-426-B test)
Max. power SPL
111 dB @ 1 m (Based on maximum continuous power)
140º (-6 dB @ 2 kHz) 110º (-6 dB @ 10 kHz) 120º (averaged 2-10 kHz)
3.8 (averaged 100 Hz - 10 kHz) 4 (2 kHz)
6 dB (averaged 100 Hz - 10 kHz) 4 dB (2 kHz)
6-position rotary switch with transformer bypass position