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Congratulations on your purchase of this 

Pulse PLA Series Stereo Power Amplifier 

 

This amplifier was designed specifically for use in permanent audio installations or mobile sound 

reinforcement scenarios, where high reliability and premium sound quality are a must. Highly 
rugged construction and high efficiency design make this amplifier perfect for continuous duty 

applications in situations were power will be left on for indefinite periods of time.  

 

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  

dealer where the product was purchased. 
 

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 Electronics Technical Support Department.  

 
Features  

 

300W, 500W & 900W versions 

 

Class AB amplifiers 

 

Detented rotary volume controls 

 

Signal, clip, protect & power LED indicators 

 

LED VU meter for signal level monitoring 

 

Delayed switch on to help prevent speaker/amplifier damage 

 

Rugged steel enclosures with front 19” rack mount ears 

 

Signal Inputs: 2x 6.35mm (1/4”) unbalanced jack sockets 

 

Speaker Outputs: 2x Locking speaker sockets  

 
Specifications 

 

 

 

Applications 
 

 

Live Music, DJ or Installation 

 

Ideal for powering large speaker cabinets or multiple cabinets in high level 
sound reinforcement 

 

This product is designed for professional or commercial use only and is not 

designed to be used in a domestic environment. 

 

 

Summary of Contents for PLA300

Page 1: ...1 Stereo Power Amplifiers Models PLA300 PLA500 PLA900 www mcmelectronics com ...

Page 2: ... 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 thir...

Page 3: ...t 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 Electronics Technical Support Department Features 300W 500W 900W versions Class AB amplifiers Detented rotary volume controls Signal clip protect power...

Page 4: ...wering up the amplifier should be the last to be switched on when powering down please ensure the amplifier is switched off first The Pulse PLA series features Signal Clip LED s to indicate when the amplifier is within 3dB of clipping This indicates the amplifier is receiving its maximum input signal and the gain at source should now be reduced Clipped signals are harmful to speakers and amplifier...

Page 5: ...hrough the front panel and exhausted through the rear panel NEVER cover the amplifiers as they may overheat PULSE power amplifiers are designed to fit standard 19 racks with a 2U height and 14 5 depth not including space for connectors cables Ensure that the AC power supply is correct for your amplifier The required AC supply is stated on the rear panel next to the AC power input Ensure that you u...

Page 6: ...period of one year from original purchase This warranty covers solely the repair or replacement of this fixture and does not extend beyond that It is the responsibility of the user to ensure proper application installation and use of this item Stellar Labs and its affiliate companies are not responsible for any damages related to the use of this item For warranty service or replacement please cont...

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