SKU: 79402222515

Marshall Studio Series JTM ST20C 20-Watt 1x12" Tube Combo Guitar Amplifier

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Description

Marshall Studio Series JTM ST20C 20-Watt 1x12" Tube Combo Guitar AmplifierThe Marshall Studio Series JTM ST20C 1x12" Tube Combo Amp marks a striking addition to Marshall's celebrated Studio series. This amp reincarnates the very first Marshall amp, the one that came even before the iconic 1959SLP, now presented in a more compact, manageable 20W format. Despite its scaled down structure, there's no sacrifice to the classic Marshall tone, delivering its legendary sound to the discerning musicians of today. When it comes to

The Marshall Studio Series JTM ST20C 1x12" Tube Combo Amp marks a striking addition to Marshall's celebrated Studio series. This amp reincarnates the very first Marshall amp, the one that came even before the iconic 1959SLP, now presented in a more compact, manageable 20W format. Despite its scaled-down structure, there's no sacrifice to the classic Marshall tone, delivering its legendary sound to the discerning musicians of today.

When it comes to the Marshall JTM amp, “portability” is not a commonly associated word, but that issue is non-existent with the Studio Series, and especially so with the JTM Studio 1x12 combo. Weighing in at a mere 39lbs, and carrying a modest 20” footprint, the small stage is no challenge for this Marshall, nor does it lack the classic JTM sound.

The combo is loaded with the popular Celestion G12M-65 Creamback speaker. This 12” driver takes flavoring from Celestion’s legendary G12M “Greenback” speaker, but with a higher power handling rated at 65w. This is the first combo in the Studio Series to feature a Celestion Creamback speaker, and second to the 2525C Jubilee amplifier to house a 12” driver.

As for the amplifier itself, the Studio Series JTM Combo features the same controls layout as the Studio JTM head: Two independent channels - High Treble and Normal - sharing a three band EQ and master Presence control, low and high inputs for each channel, and 20w/5w output power options selectable by way of the amp’s standby switch.

The ST20C combo also features 4-, 8-, and 16-Ohm speaker outputs, effects loop send and return with bypass switch, and a 1/4” DI out perfect for reamping in the studio or running direct to a speaker simulator or cabinet IR.

For a vintage voiced, all-tube combo amplifier that delivers classic Marshall tone and fits in your trunk or back seat, look to the Marshall ST20C JTM Studio series combo.

Shop More Amplifiers:

  • Part of Marshall's Celebrated Studio Series
  • Reincarnation of First Marshall Amp
  • Compact 20W Format
  • Tube-Driven Combo for Classic Sound
  • Scaled-Down Structure, Full-Scale Tone
  • Delivers Legendary Tone to Modern Players
  • User-Friendly Controls
Shipping Notes
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Exchange/Return Notes
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SKU: 79402222515

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4.2 ★★★★★
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Doc Watson
Charlottesville, US
★★★★★ 4
An origins story of sorts
Format: Paperback
Darth Vader is an angry man. Recently Anakin Skywalker, hero of the Republic, the Chosen One in the eyes of some of the Jedi, he is now a literally broken man, as much machine as human, as result of losing a battle with his former master—and ‘brother’—and left to die along the lava rivers of Mustafar. Worse, he is bereft of his great love, Padme Amidala, and is at least the proximate, if not the direct, cause of her death. So yeah, he has a few things to work out. This first volume of the second DV run from Marvel focuses on how Vader becomes Vader, the Dark Lord of the Sith that strikes fear in the hearts of friend and foe alike. The plot here across the six collected issues is fairly minimal. Having lost his lightsaber to Obi-Wan in the Mustafar fight, he needs a new one, and it needs to a Sith saber, which can only be gotten by taking a saber from a foe and “bleeding” it, by infusing its crystal with all the hate and anger that drives the Sith. In the process, this will turn the crystal’s light red (thus explaining why Sith sabers are the color they are). So, the first three issues are about him acquiring and crafting said saber. The other issues are his rocky introduction to and training of the Inquisitorious, the Emperor’s new Jedi hunters. So, with six issues of not a whole lot of story, does this collection work? To my surprise, yes it does. This is all about emotion, and if there is a standout star, it’s Vader’s rage. His former life gone, crushed and burned in the fires of Mustafar, Vader’s going to forge a new one in the very flames of his anger. Writer Charles Soule has done a fine job in depicting this inner turmoil and translating it into the foundations of the Dark Lord’s new life. Also nicer is artist Giuseppe Camuncoli’s work. The artwork is dynamic—Vader is agile, fluid and skillful —and interesting. It’s good stuff and does a fine job giving us insight to Vader’s state of mind. As I’ve said, there’s not a whole lot of story here, but there is a fine character study of damaged man rebuilding himself into a powerful and formidable individual.
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Reviewed in the United States on April 3, 2023
K
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Kenny Smith
Phoenix, US
★★★★★ 5
Good story
Format: Paperback
Awesome to see what happens right after episode 3
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Reviewed in the United States on November 5, 2025
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Zack Klesel
Louisville, US
★★★★★ 5
I love star wars
Format: Paperback
Yet, I love his comic book so much. I love Star Wars a lot too. I mean, this is a lot. This is a really cool comic. I love seeing dark vader fight like it's really cool
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Reviewed in the United States on May 30, 2026
K
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KB2187
Los Angeles, US
★★★★★ 5
Vader's Second Marvel Series Is Good!
Format: Paperback
This is actually the start of a second Vader series. The first one began, along with the new Marvel main Star Wars series, right after the Death Star was destroyed. That Vader series birthed the new characters of Doctor Aphra, Triple Zero, BeeTee, and Cylo. Now, that series has come to an end. THIS NEW SERIES IS GOOD! It picks up the moment that Anakin Skywalker awakes in his armor at the end of Revenge of the Sith. It chronicles the first steps of Darth Vader. We learn something new about the Sith. They do not create their own lightsabers. They must take a saber from a Jedi and make it their own. The Sith blades are red and only red. Why? Palpatine explains that the kyber crystals that power the sabers are living things within the Force. This is backed up by the Rogue One novel (it was either that or Catalyst). The crystals are rock, but they are also alive. In the hands of a Sith, the new owner uses the Dark Side to push all his pain into the crystal--until the crystal bleeds and turns the color of the beam red. I just think that is all sorts of awesome!
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Reviewed in the United States on May 11, 2018
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PWDecker
Omaha, US
★★★★★ 5
Vader when he still is Anakin
Format: Paperback
This comic picks up right where Episode III left off. Like directly. There's the whole "Noooooooooo" thing and everything. I liked seeing Vader when he is new to being a Sith. It really is Anakin under there still. Throughout the comic, that Anakin begins to fall away. I liked the mix of prequel and original trilogy aesthetic. Seeing Vader alongside clone troopers was very cool. The Grand Inquisitor even makes a cameo! I read the Dark Horse comics that took place right after Order 66 so certain aspects of this comic remind me of those. In this comic, there are jedi who took the Barash Vow prior to the Purge, so they are still out and about in the galaxy. Vader takes this opportunity to take a lightsaber and make it bleed. I really enjoyed this first volume in a new, ongoing comic series. I am absolutely excited for volume two. I give this volume a 5/5.
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Reviewed in the United States on December 29, 2017

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