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SXH218
Specifications
TYPE
Hybrid horn/reflex subwoofer
FREQUENCY RESPONSE (1)
32Hz-150Hz ± 3dB, -10dB @ 27Hz
DRIVER
2 x 18" (460mm)/4.5" (115mm) voice coil, long excursion, neodymium magnet, waterproof cone
RATED POWER (2)
3000W AES, 12000W peak
RECOMMENDED AMPLIFIER
iK42
SENSITIVITY (10)
107dB
MAXIMUM SPL (9)
148dB peak (at 1m half space)
NOMINAL IMPEDANCE
4 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, refer to input panel for four-core cable link diagram
FITTINGS
Two skids on base, matching channels on top. 4 x bar handles
Four rear-mounted 100mm (4in) castors
4 x fittings for optional transit cover
DIMENSIONS (INCL FEET)
(W) 1112mm x (H) 607mm x (D) 1013mm (1140mm including castors)
(W) 43.8in x (H) 23.9in x (D) 39.9in (44.9in including castors)
WEIGHT
124kg (273lbs)
Technical Drawing
Copyright © 2021 Martin Audio Ltd.
69
SX SERIES USER GUIDE
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.
SX SERIES USER GUIDE V2.5
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