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The Stealth Acoustics 250R is an integrated
monaural subwoofer amplifier / crossover system designed as a low
distortion power source for Stealth Acoustics wall or ceiling mounted,
invisible subwoofer panels or other un-powered subwoofer speakers.
Intended for whole house audio or home theater bass
applications, the 250R may stack with other components or mount in a
standard 19" equipment rack
requiring only two RU spaces (3-1/2"). Removable rack mount ears are
provided. The 250R delivers a
solid 250 watts into an 8Ω load and 350 watts into 4Ω. A variable low
pass, 18db per octave filter allows
for infinite crossover points from 50Hz to 150Hz. With a full complement
of input and output connectors,
the 250R is easily integrated into any audio system. Inputs include RCA
line level, balanced XLR line
level, and 5-way binding post speaker level, all with pass-through
capability. The speaker level input/pass-through connections allow the 250R to feed directly from full-range
speaker lines, anywhere in the
system. The 250Rs amplifier output connection is via a 5-way binding
post designed to accept heavy
guage speaker wires. A selectable automatic turn-on feature activates
the amplifier only when audio
signals are present. Other features include an internal, quiet, 8-stage
cooling fan that automatically
engages as required. Front panel controls include volume control,
variable low pass filter, phase control,
power switch and six power output monitor LEDs. 110VAC and 220VAC input
line voltages are
selectable, via a rear panel switch. The Stealth Acoustics 250R
subwoofer amplifier is covered by a 5-Year manufacturers warranty.
Functions and Features
Rack Mountable
Requires (2) Spaces
Variable Low Pass Filter
50 to 150 Hz
Auto On/Standby Function
High Level Inputs and
Outputs
Line Level Inputs and
Outputs
Balanced Line Inputs and
Outputs
DC Protected Fixed
High Pass Filter
Standby LED (red), Blue
When Active
Output Monitor LEDs
110v and 220v Input
Voltages
Fan Cooled 8 Speed
Stages
Phase Control
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