Marshall 50th Anniversary JTM1 Specs

Everyone has been dying to gets specs on these new Anniversary amps… well here’s the specs:

The Marshall JTM1 50th Anniversary is a Limited Edition 1w valve amp based on Marshall’s legendary JTM45. It features 2 x EXX83 preamp valves and 1 x ECC82 poweramp valve for classic 1960s Marshall Crunch.

The Mashall JTM1 features period correct details like the logo and styling that make this amp truly a miniaturised JTM45! Controls are simply ‘Loudness’ and ‘Tone’ (no master volume back in those days!).

  • The head and combo features 8 & 16 Ohm Speaker Outputs and the combo a 10″ Celestion internally.


Starting with the decade in which Marshall Amplification as a company was born, the JTM1 truly reflects the origins of the company. Based on the tone stack of the JTM45, and as if the inputs had been ‘jumped’, the JTM1 is the simplest amp in the range in terms of layout, but still has all the warmth, brashness and bite you would expect in an amp based on this decade. Everything from bright clean in the amps lower volume stages, to true Marshall Crunch in the upper can be found.

Although each of the five amplifiers within the 50th Anniversary One Watt range are unique, the series also have some common features; they are all made with pride at our UK factory, and will only be so during 2012 making these amplifiers limited edition. Each model will be available as both a one watt combo incorporating an 8″ or 10″ Celestion speaker (varying from model to model), and a one watt head. Other common features include 8 and 16 ohm speaker outputs on the heads and combos, era correct cosmetic details, a commemorative rear panel plaque, and a unique low power switch on each of the units’ rear panels, allowing you to instantly take the power from 1 watt to 0.1 watt for the ultimate Marshall bedroom volume

  • 2 x ECC83 preamp valves, 1 x ECC82 power valve
  • Loudness and Tone controls
  • Amber power indicator light and Vintage Power Switch
  • Original Marshall ‘Block’ Logo
  • Era correct cosmetics
  • 8 & 16 Ohm Speaker Outputs
  • 10” Celestion Speaker (combo)
  • Power Switch (1w > 0.1w)
  • Commemorative Rear Panel Plaque
  • Available January 2012
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