Copyright © 2020 Martin Audio Ltd. 21
ADORN USER GUIDE V1.0
ADORN USER GUIDE
ACP-55T
TYPE Passive two-way pendant speaker, ported bass reflex
FREQUENCY RESPONSE (6) 98Hz-20kHz ± 3dB
-10dB @ 56Hz
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 (7) 86dB / 1W(4V) / 1m (full space)
MAXIMUM SPL (9) 109dB Peak
NOMINAL IMPEDANCE 16 ohms
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 and enclosure
FINISH Black or white
GRILLE Perforated steel, powder-coated, bayonet fitting
CONNECTORS Ceramic connector (in and link)
DIMENSIONS (OD) 246mm x (D) 157 mm (175mm including grille)
(OD) 9.7in x (D) 6.2in (6.9in including grille)
WEIGHT 3.46kg (7.62lbs)
Notes
(1) Measured on-axis in half (2pi) space at 2 metres, then referred
to 1 metre.
(2) AES Standard ANSI S4.26-1984.
(3) Measured in half (2pi) space at 2 metres with 1 watt input,
using band limited pink noise, then referred to 1 metre.
(4) Measured in half (2pi) space at 2 metres using band limited
pink noise, then referred to 1 metre.
(5) Measured on-axis in open (4pi) space at 2 metres, then referred
to 1 metre.
(6) Measured in open (4pi) space at 2 metres with 1 watt input,
using band limited pink noise, then referred to 1 metre.
(7) Measured in open (4pi) space at 2 metres using band limited
pink noise, then referred to 1 metre.
(8) Measured in open (4pi) space at 2 metres with 2.83v input,
using band limited pink noise, then referred to 1 metre.
(9) Calculated at 1 metre.
(10) Measured in half (2pi) space at 2 metres with 2.83V input,
using band limited pink noise, then referred to 1 metre.
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