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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 

 
 
 
 
 
 
 
 
 
 
 

 
 

Stellar Labs™ 

Distributed Exclusively by:  

MCM Electronics 

www.stellarlabs.com www.mcminone.com 

 

Summary of Contents for SLA150

Page 1: ...ctor Series Power Amplifiers MODEL SLA150 75W RMS x Two Channels SLA250 125W RMS x Two Channels SLA470 235W RMS x Two Channels Stellar Labs Distributed Exclusively by MCM Electronics www stellarlabs com www mcminone com ...

Page 2: ...ecomes 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 ...

Page 3: ...el 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 Specificat...

Page 4: ...ol in that it provides for fine adjustment between the two channels Unlike conventional balance controls on consumer audio equipment this control will not completely mute the opposing channel even when turned fully clockwise or counterclockwise Volume This provides volume trim adjustment simultaneously for the and right channels Note that the master volume level is set via the recessed Master Leve...

Page 5: ...s this input should be connected to the home theater s TAPE or PREAMP output The amplifier automatically defaults to this input upon power up and will only be active when no signal is present at the Line 1 Input As soon as a signal is detected at the Line 1 input the amplifier will automatically switch to the Line 1 Input If silence is detected at the Line 1 Input it will switch back to the Line 2...

Page 6: ...as a trim adjustment relative to the position of these rear controls 7 Stereo Bridged Mono Mode Selector This selector allows the amplifier to act as a stereo two channel amplifier or a single channel mono amplifier with the power of both channels added together This is useful when using the amplifier to drive a passive subwoofer When using the amplifier in bridged mode be certain to Use speaker l...

Page 7: ...peaker Selector These binding posts accept banana plugs spade lugs or bare speaker wire up to 12AWG Use extreme care when connecting bare speaker wire to ensure that small strands to not short between adjacent terminals Left and right speakers should be connected as normal for stereo operation The B output is not to be used for bridged operation 13 Line Cord Input Fuse Holder This provides a stand...

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