M2TECH LARSON User Manual Download Page 3

M2Tech

www.m2tech.biz

LARSON
CLASS-A MONOBLOCK POWER AMPLIFIER

REVISION P

R

A – MARCH 2022

Warning!

Changes or modifications not authorized by the manufacturer can invalidate the 
compliance to CE regulations and cause the unit to be no more suitable to use. The 
manufacturer refuses every responsibility regarding damages to people or things 
due to the use of a unit which has been subject to unauthorized modifications or to 
misuse or to malfunction of a unit which has been subject to unauthorized 
modifications.

This unit is compliant with the following CE regulations: CEI EN 55022:2009 Class B (Radiated Emissions), 
CEI EN 55024:1999, CEI EN 55024:A2/2003, CEI EN 55024:IS1/2008 (Radio Frequency Electromagnetic 
Fields, 50Hz Magnetic Field Immunity Test and Electrostatic Discharges – ESD). 

For a proper operation of this unit, all connections to other equipment in the system must be done 
when all equipment are off. Failing to comply with this advice may lead to damage to the LARSON.

The label above, printed on the product case, indicates that the product, when no more usable, can’t be 
treated as generic garbage, but must be disposed of at a collection point for recycling of electrical and 
electronic equipment, in compliance with the WEEE regulation (Waste of Electrical and Electronic 
Equipment).
By making sure that this unit is correctly recycled, you will help preventing potential damages to environment
and   human   health,   which   could   be   caused   by   a   wrong   treatment   of   this   product   as   generic   garbage.
Materials’   recycling   helps   saving   natural   resources.   For   more   in-depth   information   about   recycling   this
product, please contact M2Tech Srl.

WARNING:   the   information  contained  in  this   manual   are   considered  to  be  reliable   and  accurate.
M2Tech reserves the right to change or modify the information any time, without prior advice. It’s up
to the customer to ensure that the manual being consulted is the latest version.

Copyright © 2022, M2Tech Srl

3

Summary of Contents for LARSON

Page 1: ...M2TECH LARSON CLASS A MONOBLOCK POWER AMPLIFIER USER MANUAL REV PrA 3 2022...

Page 2: ...M2Tech www m2tech biz LARSON CLASS A MONOBLOCK POWER AMPLIFIER REVISION PRA MARCH 2022 Copyright 2022 M2Tech Srl 2...

Page 3: ...m must be done when all equipment are off Failing to comply with this advice may lead to damage to the LARSON The label above printed on the product case indicates that the product when no more usable...

Page 4: ...ansformer for its balanced input to allow music to flow effortlessly from your preamplifier to your speakers We re sure that your expectations will be fulfilled by purchasing LARSON your hi fi system...

Page 5: ...ON PRA MARCH 2022 TABLE OF CONTENTS 1 Unpacking and Placing the Unit 7 2 Front Panel 9 3 Back Panel 11 4 Connecting and Powering the Unit 13 5 Cleaning the Unit 13 6 Using A Different Power Supply 15...

Page 6: ...M2Tech www m2tech biz LARSON CLASS A MONOBLOCK POWER AMPLIFIER REVISION PRA MARCH 2022 Copyright 2022 M2Tech Srl 6...

Page 7: ...r from heat sources Avoid full sunlight on the unit Allow for ample room around the unit for venting as the LARSON gets very hot during operation due to its class A power stage The LARSON is a class A...

Page 8: ...M2Tech www m2tech biz LARSON CLASS A MONOBLOCK POWER AMPLIFIER REVISION PRA MARCH 2022 Copyright 2022 M2Tech Srl 8...

Page 9: ...N PRA MARCH 2022 2 Front Panel Figure 1 1 Standby on switch Push this button to activate the LARSON or to put it in standby 2 Standby LED blue It s on when the LARSON is in standby 3 Operation LED whi...

Page 10: ...M2Tech www m2tech biz LARSON CLASS A MONOBLOCK POWER AMPLIFIER REVISION PRA MARCH 2022 Copyright 2022 M2Tech Srl 10...

Page 11: ...nced outputs Female 3 pin xlr connectors 1 is GND 2 is send 3 is return 5 Input mute selector switch Three way switch Allows to choose between single ended and balanced input The central position mute...

Page 12: ...by the preamplifier or other trigger source The two inputs are in parallel therefore the unused one may be used to forward the trigger signal to another unit e g to another LARSON 8 Output binding po...

Page 13: ...2 6 or balanced Fig 2 4 inputs Set the input selector switch Fig 2 5 accordingly If the trigger feature is to be used connect a mono cable with 3 5mm jack to one of the LARSON trigger inputs Fig 2 7 I...

Page 14: ...M2Tech www m2tech biz LARSON CLASS A MONOBLOCK POWER AMPLIFIER REVISION PRA MARCH 2022 Copyright 2022 M2Tech Srl 14...

Page 15: ...r signal can be used to automatically activate the LARSON by a preamplifier so that all the system is powered on and off by the preamplifier s remote control Please note that as long as the trigger vo...

Page 16: ...M2Tech www m2tech biz LARSON CLASS A MONOBLOCK POWER AMPLIFIER REVISION PRA MARCH 2022 Copyright 2022 M2Tech Srl 16...

Page 17: ...rms 4 Ohms 30Wrms 3 Ohms Residual noise 36uVrms 20Hz 20kHz A weighted SNR 111dB A weighted THD N 0 05 1Wrms on 8 Ohms 0 9 22W on 8 Ohms Supply voltage 48VDC Mains voltage 90 260VAC 50 60Hz Power consu...

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