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Marshall Amplification JTM45 User Manual

Marshall Amplification JTM45 User Manual

Limited edition offset amplifier and matching 4x12" cabinet

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Summary of Contents for Marshall Amplification JTM45

  • Page 2 1962, the very year in which Marshall Amplification was born. In fact, the offset head was the first version of the JTM45 my company made and only a mere handful of these heads and cabinets were ever constructed. In case you are wondering, the reason the amp's chassis was offset like this was to help ensure that the head balanced properly when carried.
  • Page 3: Front Panel Functions

    Front Panel Functions The JTM45 O/S features four inputs, two per channel. The first channel is voiced for a high treble response with the second channel voiced for normal response. The first input of each channel has more gain than the second input of each channel and hence is louder.
  • Page 4: Power Switch

    JTM45 O/S Front and Rear Panel Features (continued) Front Panel Functions 1. Power Switch On / Off Switch for mains power to the amplifier. 2. Standby Switch Controls H.T. or high voltage to the valves to allow them to attain correct working temperature before playing.
  • Page 5 JTM45 O/S Front Panel JTM45 O/S Rear Panel...
  • Page 6 Marshall Amplification plc Marshall Amplification plc Denbigh Road, Bletchley, Denbigh Road, Bletchley, Milton Keynes, MK1 1DQ Milton Keynes, MK1 1DQ England England Tel: (01908) 375411 Tel: (01908) 375411 Fax: (01908) 376118 Fax: (01908) 376118 Whilst the information contained herein is correct at the time of publication; due to our constant improvement and development, Marshall Whilst the information contained herein is correct at the time of publication;...

This manual is also suitable for:

Jtm45 o/s412 o/s