Marshall Origin 20 Vs Plexi - YJM100

Quick comparison between the Marshall Origin 20 and the Marshall YJM100, both through a 1960BX loaded with V30 + G12T-75 speakers.
The YJM100 isn't using the reverb or the boost built into the back of this amp in this video.

Based on the legendary 1959 model, this one delivers awesome all-tube tone with a host of modern features.
The Yngwie Malmsteen Signature YJM100 100W Tube Guitar Amp Head is a 100-watt, valve head that was developed in close conjunction with the legendary Swedish six-string shredder, Yngwie Malmsteen. The YJM offers the perfect balance of vintage tone and looks alongside modern features, which makes the amplifier the perfect players tool for plug in and play recording or live performance.

Malmsteen has been a Marshall devotee from the get-go so this collaboration comes as no surprise to his countless fans. I can't say enough about my love for the sound, feel and look of the wall of Marshalls. Since I was 10 years old, I've insisted on having them behind me at all times, the guitarist reveals. I must have had every amp company in the world ask me to endorse them, over the years. To finally have my own signature Marshall is an honor and this amp is truly a master piece!

The Marshall YJM100 head is wrapped in classic black levant, which is finished with gold beading, hand-cut corners and vintage script logo. In short, vintage all-tube Marshall tone and style at its best with rear panel features that deliver maximum "Malmsteen tone."

Based on the power and tone of the Holy Grail 1959 Plexi head, the YJM100 offers the ultimate Neo-Classical amp with the following cutting edge features:

1. Footswitchable* Boost with controls for Volume and Gain on the rear panel.
2. Footswitchable* Noise Gate with rear panel Threshold control.
3. Footswitchable* studio quality Digital Reverb with rear panel Level control.
4. Footswitchable* Series FX Loop
5. Half power switch which takes the output power from 100W to 50W when engaged.
6. Built-in, infinitely variable Attenuator control which can take the output stage from 100% to 0.01% and anywhere in-between, while retaining the all-important tone and feel of the all-valve power section. This means the output power can be reduced to a staggering low of 0.05 Watts when in 50W power mode.
7. Valve Failure Circuitry: meaning that if one of the output valves develops a fault, a visual indicator on the rear of the amplifier shows which one is working incorrectly. This roadie friendly feature will save valuable time getting the amplifier back up and running again, should a valve failure occur.
8. Self-biasing circuitry to ensure proper power valve operation each time valves are changed.


Express your personality with this 20w head. The Origin20H provides a classic all-valve, rich and harmonic tone. With sleek styling and modern features this amp is ideal for playing in different environments from bedroom to rehearsal studios and small venues. There is a 2-way footswitch available so you can control the gain boost feature and turn the FX loop on and off.

Key Features

The footswitchable gain boost feature allows you to develop your sound by adding an extra level of gain to deliver crunch to your tone.

To suit your playing environment, from the bedroom to the studio we have introduced new power reducing technology, PowerstemTM, allows you to have high, medium or low power modes.

With one channel, this amp still offers a variety of tones. By using the tilt control you can vary your sound from normal to high treble to access the one you prefer.

Increasing the master volume can give you that classic overdrive sound and using the presence control you can increase the high frequency.

00:00 - Intro
00:34 - Backstory
01:08 - Origin 20 Demo
01:38 - Intermission
02:30 - YJM100 Demo
03:00 - Review
04:54 - Outro

All the audio recorded in our videos is recorded direct into either an M-Audio Profire 2626 or a Behringer Ultragain Pro-8 interface direct into Logic Pro X mixed using stock plugins on a Mac Pro 3,1 (2007 model) running OSX 10.11.6.

Microphones do get changed up every so often but usually our drums are mic'd up with:
Kicks - Shure Beta 52
Snare - Shure SM57 / Lewitt MTP 440DM
Toms - t.bone DC4000 kit
Overhead - Lewitt LCT 140 AIR
Room - Lewitt LCT 240 PRO

Guitar Amps - Shure SM57 or Lewitt MTP 440DM

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