Sub118
product specification
Sub118
18 inch Direct-Radiating Subwoofer
Performance Specifications 1
Operating Mode
Single-amplified w/ DSP
Operating Range 2
25 Hz to 141 Hz
Nominal Beamwidth
Spherical within operating range
Power Handling @ Nominal Impedance 3
98 V / 1200 W @ 8 Ω
Nominal Sensitivity @ Input Voltage 4 (half / whole space)
100 dB / 94 dB @ 2.83 V
Nominal Maximum Continuous SPL (half / whole space)
130 dB / 124 dB
Equalized Sensitivity @ Input Voltage 5 (half / whole space)
98 dB / 92 dB @ 2.83 V
Equalized Maximum SPL 6 (half / whole space)
129 dB / 123 dB
Recommended Power Amplifier
1200 W to 1800 W @ 8 Ω
Recommended Limiter Threshold Voltage
≤ 139 V rms
Overview
The Sub118 is an all purpose, 18 inch, vented subwoofer that is
designed to provide extended low frequency support in a wide
variety of installations. Its premium, high power transducer is
physically engaging, yet is musically articulate enough to reproduce
the subtlety and harmonic nuance of an upright bass or the low
strings of a piano.
Physical Specifications
Connections
(2) Neutrik NL4 Speakon
Pin 1+/-: LF
Pin 2+/-: NC
Mounting / Suspension Points
(16) M10 eye bolt angle points
The Sub118 requires digital signal processing, and many platforms are
supported. The Sub118 is an excellent option any time a compact
subwoofer with robust SPL capability is needed. This makes it the
perfect choice for medium-sized houses of worship and theatres,
and for distributed low frequency reinforcement in nightclubs,
restaurants, and theme parks. It is also well suited for use in DJ
booths and as a VLF channel in A/V screening rooms or for multimedia playback.
Dimensions (H x W x D)
756 x 624 x 498 mm / 29.8 x 24.6 x 19.6 in
Technologies
The 18 inch woofer in the Sub118 has a high power, 4 inch voice
coil, and is capable of impressively large excursion. The enclosure
is optimally tuned to provide maximum low frequency output in a
compact package.
Options
Fulcrum Acoustic, LLC
Weight
41.7 kg / 92.0 lb
Finish
Black painted enclosure w/ matte black grille, or
White painted enclosure w/ matte white grille
Terminal strip input, Custom color finish,
Weather-resistant (WR) enclosure
www.fulcrum-acoustic.com tel +1 866 234 0678 fax +1 866 234 0683
v2 Jul 2011
product specification
Axial Sensitivity (dB SPL, 2.83 V @ 1 m, half space) 7, 8
Axial Processed Response (dB, half space) 7, 9
Impedance (ohms)
Fulcrum Acoustic, LLC
www.fulcrum-acoustic.com
tel +1 866 234 0678 fax +1 866 234 0683
v2 Jul 2011
product specification
Connection Diagram
1-way, Single-Amp
1±
NL4
2±
DSP
LF
AMP
1±
NL4
2±
Mechanical Specification Drawings
2D DXF and PDF and 3D DXF dimensional drawings are available for
download at www.fulcrum-acoustic.com/support .
Notes
1 Performance Specifications All acoustic specifications rounded to nearest whole number.
External DSP with Fulcrum Acoustic-provided settings is required to achieve the specified performance.
2 Operating Range The frequency range within which the processed response is within 10 dB of the average.
3 Power Handling Based on the AES power handling of the transducers.
4 Nominal Sensitivity The 1-meter-referenced SPL produced by a 1 watt band limited pink noise signal,
with no processing applied.
5 Equalized Sensitivity The 1-meter-referenced SPL produced when an EIA-426-B signal is applied to an equalized
loudspeaker system, at a level which produces a total power of 1 watt, in sum, to the loudspeaker subsections.
6 Equalized Maximum SPL The 1-meter-referenced SPL produced when an EIA-426-B signal is applied to an
equalized loudspeaker system, at a level which drives at least one subsection to its rated power.
7 Resolution All response graphs are subjected to 1/6 octave cepstral smoothing with a gaussian weighting function.
8 Axial Sensitivity The SPL plotted against frequency for a 1 watt swept sine wave, referenced to 1 m with no signal processing.
9 Axial Processed Response The axial magnitude response with recommended signal processing applied.
Fulcrum Acoustic, LLC
www.fulcrum-acoustic.com
tel +1 866 234 0678 fax +1 866 234 0683
v2 Jul 2011
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