Two Channel
Contractor Series Power Amplifiers
MODEL
SLA150 75W RMS x Two Channels
SLA250 125W RMS x Two Channels
SLA470 235W RMS x Two Channels
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Distributed Exclusively by: |
Stellar Labs™ |
MCM Electronics |
www.stellarlabs.com |
www.mcminone.com |
Safety Information
The lightning bolt within a triangle is intended to alert the user to the presence of un insulated dangerous voltage levels within the product’s enclosure.
This voltage may be of sufficient magnitude to constitute an electric shock risk.
To reduce the risk of electric |
The exclamation point |
shock, do not remove cover of this |
within a triangle is |
device. There are no user |
intended to alert the |
serviceable parts inside. Refer |
user to important |
servicing only to qualified service |
operating and |
personnel. |
maintenance |
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(servicing) |
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instructions in the |
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literature |
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accompanying the |
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appliance. |
Safety Precautions
•Read and retain these instructions
•Follow all instructions and heed warnings
•Do not use this device near water
•If the surface becomes dirty, clean only with dry cloth, do not use solvents or thinners
•Install in accordance with the manufacturer’s instructions
•Do not block ventilation openings
•Do not install near heat sources such as radiators, heat registers, stoves, or other devices that produce heat
•Do not defeat the safety purpose of the grounded plug. This plug has two blades and a third ground prong. The wide blade or third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet
•Protect the power cord from being stressed at the plugs, convenience receptacles, and where they exit the amplifier
•Only use accessories specified by the manufacturer
•Unplug the device during lightning storms or when unused for an extended time
•Refer all servicing to qualified personnel
•This device must not be exposed to water in any way. No object filled with liquids should be placed on apparatus
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Congratulations on your purchase of this
Stellar Labs SLA Series Stereo Amplifier
This amplifier was designed specifically for use in distributed audio installations, where high reliability and premium sound quality are a must. Remote on/off triggering and signal sensing allow these units to be set up in equipment racks, with no further contact required. Rear mounted master level controls keep installation safe from future tampering. Two auto–switching inputs allow automatic operation when used with more than one system.
This amplifier is warranted from defects for one year from the date of purchase. Should your amplifier require service, either within or beyond that warranty period, please contact your MCM Sales Representative.
This unit includes a host of features, along with an impressive list of specifications, which are detailed over the next pages. Please take the time to read this document completely prior to installation of this product. Should you have questions regarding installation or operation of this unit, please contact the MCM Technical Support Department.
Features
Two sets of L/R inputs, each may be switched to accept line level speaker level signal Auto– switching between inputs, with adjustable delay
Line level pass through output on input #2 Manual or auto–sensing power control
12V trigger input allows power–on command from external components
12V trigger output allows amplifier to trigger external components Stereo and bridged mono operation
Heavy–duty binding post speaker outputs Discrete output components
Specifications (all models)
THD: <0.2% (at 4ohm)
Crosstalk: <65dB @ 1KHz
Frequency Response: 20Hz ~ 20KHz +/- 0.5dB
S/N Ratio: >100dB
Model SLA150
50W RMS per channel, both channels driven into an 8ohm load 80W RMS per channel, both channels driven into a 4ohm load 150W RMS bridged mono, into an 8ohm load
Power requirements: Selectable 115/230VAC, 60/50Hz, 450W max
Dimensions: 3 1/2" (H) x 16 1/2" (W) x 14" (D)
Weight: 21 lbs
Model SLA250
80W RMS per channel, both channels driven into an 8ohm load 125W RMS per channel, both channels driven into a 4ohm load 250W RMS bridged mono, into an 8ohm load
Power requirements: Selectable 115/230VAC, 60/50Hz, 700W max
Dimensions: 3 1/2" (H) x 16 1/2" (W) x 14" (D)
Weight: 26 lbs
Model SLA470
150W RMS per channel, both channels driven into an 8ohm load 235W RMS per channel, both channels driven into a 4ohm load 470W RMS bridged mono, into an 8ohm load
Power requirements: Selectable 115/230VAC, 60/50Hz, 1200W max
Dimensions: 5 1/4" (H) x 16 1/2" (W) x 14" (D)
Weight: 33 lbs
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