Martin Audio

MARTIN AUDIO ADORN ACS-55TS

Compact two-way ceiling speaker, shallow backcan
5.25” (135mm) LF driver and 0.75” (19mm) HF dome tweeter
Wide 150° conical coverage pattern reduces speaker count required for even coverage
70V/100V multi-tap line transformer or 16-ohm low-impedance operation
Low and high-frequency overload protection
UL94V-0 rated baffle with zinc-plated steel backcan
Quick release, bezel-less grille
Tile rails and C-ring included
5-year warranty
UL 1480A and UL 2043 compliant

As part of the ADORN commercial loudspeaker series, the ACS-55TS is a compact, two-way ceiling speaker designed for background and foreground applications that require premium performance and cost competitiveness.

Compact two-way ceiling speaker, shallow backcan
5.25” (135mm) LF driver and 0.75” (19mm) HF dome tweeter
Wide 150° conical coverage pattern reduces speaker count required for even coverage
70V/100V multi-tap line transformer or 16-ohm low-impedance operation
Low and high-frequency overload protection
UL94V-0 rated baffle with zinc-plated steel backcan
Quick release, bezel-less grille
Tile rails and C-ring included
5-year warranty
UL 1480A and UL 2043 compliant

TYPE	Compact, passive two-way ceiling speaker, ported bass reflex
FREQUENCY RESPONSE (1)	117Hz-20kHz ± 3dB -10dB @ 79Hz
DRIVERS	LF: 5.25” /1” high-temp voice coil, coated paper cone, rubber surround, ferrite motor, pressed steel chassis HF: 0.75” silk dome, neodymium motor
RATED POWER (2)	50W AES, 200W peak
RECOMMENDED AMPLIFIER	VIA2004 (for low-impedance operation)
SENSITIVITY(4)	90dB / 1W(4V) / 1m
MAXIMUM SPL (9)	113dB peak
NOMINAL IMPEDANCE	16Ω
DISPERSION (-6dB)	150° conical up to 7kHz
CROSSOVER	3kHz passive (LF and HF auto-resetting fuses)
TRANSFORMER TAPS	70V: 30w / 15w / 7.5w / 3.75w 100V: 30w / 15w / 7.5w
RECOMMENDED HIGH-PASS FILTER	65Hz 24dB/oct
ENCLOSURE	UL 94V-0 rated ABS baffle with steel backcan
FINISH	Baffle and grille: RAL9016 white Backcan: zinc plated
GRILLE	Perforated steel, powder-coated, bayonet fitting
CONNECTORS	Ceramic connector (in and link) located behind fire-retardant steel cover
ACCESSORIES (included)	2 tile rails C-ring backing plate Cut-out template
DIMENSIONS	(OD) 245mm x (D) Back Can 100mm, (D) Inc. Grille 118mm (OD) 9.7in x (D) Back Can 3.95in, (D) Inc. Grille 4.65in
HOLE CUT-OUT DIMENSION	222mm (8.74”) diameter
WEIGHT	2.8kg (6.2lbs)
CEILING SAFETY STANDARDS	Certified compliant: UL 1480A, UL 2043