70W Amplifier: The Cambridge Audio S90 powered subwoofer is equipped
with a 70 watt (RMS) amplifier for dynamic bass response.
8" Woofer: The Cambridge Audio S90 powered subwoofer
features an 8" long-throw driver with a lightweight non-pressed paper cone, foam
surround, and a high temperature voice-coil for big bass sound.
Bass Reflex Enclosure: The Cambridge Audio S90 powered subwoofer
features a bass reflex (ported) enclosure with two rear-firing flared ports for
improved bass characteristics and lower distortion.
Magnetic Shielding: The S90 powered subwoofer is partially magnetic
shielded and can be placed as close as 3.9375' to your television or video monitor.
Placement: The powered subwoofer can be placed almost anywhere in your
room as bass sound is largely non-directional.
Spiked Feet: The Cambridge Audio S90 powered subwoofer includes 4
spiked feet for added stability on your carpeted floors. The spiked feet are
adjustable, in case you have uneven floors. The spiked feet add 0.75" to the
height of the powered sub.
Note: The powered subwoofer can be used with or without
the 4 spiked feet, in case you have tile or hardwood floors.
Volume Control: The Cambridge Audio S90 powered subwoofer
has a rear-panel rotary volume control to adjust the volume of the subwoofer
relative to the other speakers in the system.
Crossover Frequency: The Cambridge Audio S90 powered subwoofer offers
a continuously variable low-pass filter, adjustable from 40-180 Hz.
Phase Adjustment: The subwoofer's phase adjustment allows you to
adjust the subwoofer's phase between 0° (normal) or
180° (reverse). If the bass sounds muddy or unclear,
adjusting the phase control can sometimes strengthen the bass performance.
Auto On/Off: The S90's Auto On/Off feature will switch the powered
subwoofer On and Off automatically by signal detection.
RCA/LFE Input: The powered subwoofer has gold plated left & right RCA
line-level inputs for use with receivers having a subwoofer or stereo preamp
output that do not contain their own low-pass crossover. The left channel RCA
input doubles as the LFE input, if your receiver has an LFE output and a
built-in low-pass crossover.
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