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The Road Series SUB18A is a subwoofer aimed at musicians and DJs. Equipped with an 18” speaker, it has a power capability of 100W RMS and generates the soft, deep sound that is typical of SR products. A high sound pressure level  enables significant distances to be covered, even outdoors. The sub uses discreet components with transistor amplifiers and Darlington class AB circuitry. Robustly constructed, it is also equipped with lateral handles for easy transportation and features a standard 40mm flange for satellite support.

Frequency response 40 Hz- 120 Hz
Sensitivity @ 1W/1m 97.0 dBSPL
SPL max (calc.) 128 dBSPL
Crossover Electronic - 24dB/octave 120 Hz
LF Transducer 18" Woofer
Ferrite magnet circuit
Voice coil diameter 75 mm
Power Handling (Continuous/Peak) 650W/1000W
Connection XLR Line Input (2)
XLR Direct Output (2), XLR X-over Output (2)
Impedance 10 kΩ @ 1 kHz for XLR line
Input sensitivity Mono position L or R XLR 0 dBu (0.775 Vrms)
in balance mode
Stereo position L and R XLR +1 dBu (0.869 Vrms)
in balance mode
Controls Volume, Ground Lift Switch, Mono/Stereo Switch
Box 18 mm Plywood
bass reflex
Stand Support Top hat composed
of welded steel tube ø 36 mm, h=77 mm
Weight kg 30
Dimensions (LxDxH) 510 x 590 x 520 mm