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Copyright © 2021 Martin Audio Ltd.
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SX SERIES USER GUIDE V2.5
SX SERIES USER GUIDE
SX118
Specifications
TYPE
Compact, direct radiating subwoofer
FREQUENCY RESPONSE (1)
47Hz-150Hz ± 3dB, -10dB @ 41Hz
DRIVER
1 x 18” (460mm)/4” (100mm) voice coil, long excursion, ferrite magnet, waterproof cone
RATED POWER (2)
1000W AES, 4000W peak
RECOMMENDED AMPLIFIER
iK42/81
SENSITIVITY (10)
102dB
MAXIMUM SPL (9)
138dB continuous
NOMINAL IMPEDANCE
8 ohms
DISPERSION (-6dB)
Omnidirectional
CROSSOVER
80-120Hz active
ENCLOSURE
Multi-laminate birch/poplar plywood
FINISH
Textured black paint
PROTECTIVE GRILLE
Perforated steel
CONNECTORS
2 x NL4
PIN CONNECTIONS (INPUT)
+1, -1 (+2, -2 link through)
PIN CONNECTIONS (LINK)
+1, -1 (+2, -2 link through)
FITTINGS
Two skids on base, with mating channels on top
F our rear-mounted 100mm (4in) castors
M20 top-mounted thread plate for pole mounting
16 x M10 mounting points
2 x bar handles, 1 on each side
4 x fittings for optional transit cover
DIMENSIONS (INCL FEET)
(W) 600mm x (H) 509mm x (D) 632mm (760mm including castors)
(W) 23.62in x (H) 20.04in x (D) 24.86in (29.9in including castors)
WEIGHT
47kg (104lbs)
Technical Drawing
All information is Copyright © 2017 Martin Audio Ltd.
Castors are shown for illustration only and are not included as standard.
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.