Stealth Model 255R Rack Mount Subwoofer Amplifier
The
Stealth Acoustics 255R is a rack mountable, mono, subwoofer
power amplifier. It incorporates all of the features found
on a conventional powered subwoofer and puts them in a
package that can be installed in a standard 19" equipment
rack. With it's full complement of input and output options
it will adapt to any installation interface requirement. The
255R has been developed to power the Stealth Acoustics B1630
and B32 invisible in-wall subwoofer panels but of course
could be used to power any subwoofer system.

Front view of the Model 255R Amplifier. |

Rear view of the Model 255R Amplifier. |
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 |
Specifications:
Mono
Output Power:
250 watts at 8 ohms<0.05THD
350 watts at 4 ohms<0.05THD
THD: <0.05@1 watt 4 ohms/100Hz
S/N: 86db below rated output |
Crossover Section:
High Pass Filter: 18Hz/30db/octave (fixed)
Low Pass Filter: 50Hz to 150Hz/41db/octave
(variable)
Current Draw: 6.2A@350W/4 ohms/115V AC/60Hz
Dimensions: 19"w” x 3.5”h
Depth: 13-5/8” |