C8 — RMS Acoustics

OVERVIEW

The RMS-Acoustics C8 platform is a coaxial loudspeaker system designed to deliver output levels comparable to the highest output conventional premium 2-way systems, with superior pattern control, directional consistency and a precise transient response that only a coaxial loudspeaker can provide.

The C8 features an advanced high frequency waveguide that also acts as a phasing plug for the 8” cone loudspeaker. The horn is quite large for its size, yielding consistent pattern control and a low crossover point. The phasing plug improves the response of the cone loudspeaker minimizing the equalization and phase correction needed, thus aiding the transition between sources over the crossover band.

Its distinct enclosure design and comprehensive range of accessories make it an excellent choice for rapid deployment to almost any application, from stage monitoring, to front fills, to permanent installation.

The C8 delivers impressive SPL output, yeilding highly capable sound reinforcement from a compact and versatile package. Its impressive fidelity makes it perfectly compatible with the larger C12, M12X, M15X, and LA28 loudspeaker systems.

The C8 cabinet features an impact resistant polyurethane paint finish, and an integrated handle. The loudspeaker system is available as weatherized (-X) or in white (-W) or custom colors (-C). The weatherized option provides and IP54 rating.

SPECIFICATIONS

SYSTEM::
Frequency Range (-10dB) ^1	65 Hz - 20 kHz	Assumed 70 Hz High pass filter 0dB point taken at 1000 Hz, Processed
Frequency Response (+/-3dB)	78Hz - 18 kHz	Assumed 100 Hz High pass filter 0dB taken at 1000 Hz, Processed
System Sensitivity (1w, 1m)^2	96dB	Measured on LF band, average SPL over 300 to 1 kHz region. HF Sensitivity significantly higher
Maximum SPL Continuous (1m)	121dB 116dB	100 Hz - 18 kHz 65 Hz - 20 kHz
Maximum SPL Peak (1m)	127dB 122dB	100 Hz - 18 kHz 65 Hz - 20 kHz
Long Term Power Rating (IEC)^3	FR	300W, 600W, 1200W (Continuous, Pgm, Peak)
Long Term Power Rating (AES)^4	FR	600W (2400W Peak), 2 hrs, 400W 100Hr
Nominal Coverage Pattern		120° X 60°, 90° X 55°, 90° X 90°, rotatable in 22.5 deg increments, -6dB Isophase
System Crossover		1500 Hz with Traditional IIR, Proprietary, though around similar region FIR
Transducer	SPKR-8-0002	Full Range Coaxial Driver, 8” Neodymium Coaxial Cone Loudspeaker
PHYSICAL:
Input Connectors		Dual Neutrik NL4MP Connectors
Enclosure Materials		15 and 18mm Birch Hardwood Ply 1.3mm layers
Grille Materials		Aerospace Aluminum, Hexagonal pattern, Epoxy powder coat, Acoustically transparent black foam backing
Finishes		Black finish (Standard) Polurethane textured spray
		Additional Finishes available - See Options Below
Suspension and Mounting		Proprietary internal, captive rigging
Rigging Hardware	C8B	Horizontal U Bracket specific to C8, ordered separately
	WM-S	RMS-ACOUSTICS wall mount small, ordered separately
	WM-M	RMS-ACOUSTICS wall mount medium, ordered separately
Dimensions		9.25” w x 12” d x 11” h (241 mm x 305 mm x 280 mm)
Weight		22 Lbs (10 kg) Net
Ordering Options		C8, -B (Biamplified, no crossover)
Finish Options		-X1 (Weatherized), -W (White), -C (RAL Custom Color) Upcharge applies
Optional Accessories	STAND1	Loudspeaker stand adapter 35mm
	EYEBOLT 1/4-20	1/4-20 Eye Bolt Suspion Eye
	C8B	U Bracket for C8
Free field, semi anechoic conditions. To compare with half space measurements, add 6dB to maximum output specifications.
1. Full Space, 4pi conditions
2. Measured Maximum SPL, based on power compression observation of 3dB
3. IEC Shaped pink noise with 6dB Crest Factor
4. AES Standard AES2-2012, one decade pink noise with 6dB Crest factor within device’s applicable operating band, free air. Standard AES 2 hr rating are specific for low frequency transducers.

ACCESSORIES

C8B	C8 specific u bracket, for horizontal or vertical installation, black, ordered separately
WM-S	RMS-ACOUSTICS wall mount small, ordered separately