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
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 79402222515

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4.6 ★★★★★
Based on 14 reviews
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Product Reviews
N
Nightowl
Charlottesville, US
★★★★★ 5
Dogs loved them, but gone very quickly
Flavor Name: Braided Stick (Chicken)
I picked up these turkey tendon braided sticks as a chew treat for my dogs, and they had zero hesitation. Both dogs were immediately interested and happily worked through them without any convincing. They seem very tasty and easy for dogs to chew, which makes them a nice occasional reward. They seem to be of healthy, quality ingredients, which is always a plus. Similar to some other natural chews I’ve tried, they just don’t last very long with bigger or enthusiastic chewers. What looks like it might be a longer distraction turns into a fairly quick snack in our house. Still, the dogs enjoyed them and tolerated them well, so they work fine as a treat, just not a long lasting chew for large dogs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 27, 2026
M
Michael O'Neal-Petterson
Waukegan, US
★★★★★ 3
Expensive for What You Get
Flavor Name: Braided Stick (Chicken), Flavor Name: Braided Stick (Chicken)
My dogs love chews and I like to try different kinds. I thought they would be longer lasting since they are braided and turkey tendon. These come in a small bag with just a few chews. The chews aren't very big either. They are chewy but not so much that they take a while to eat. I gave one to my 36 lb labradoodle and he finished it in a couple minutes - so it isn't a long-lasting treat at all. At this price point, I would expect more treats or something that lasts a while. My dog loved these but I expect more bang for my buck.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 31, 2025
S
Seri Lynn
Louisville, US
★★★★★ 4
Great braided dog snacks, good ingredients - cost a bit much for the number you get
Flavor Name: Braided Stick (Chicken)
I ordered these Chicken flavored Turkey Tendon Braided Sticks for my three medium sized dogs. I had hoped these would last a little while so gave them one each (there was only like 6 in the pack), but they gobbled them down before I even realized it. They really loved them. I would love to get them these as a special treat every now and again, but they're just too expensive no longer than they last. I know that they're quality treats, made with good ingredients and that really matters, still for no more than you're getting I feel they should cost about a third less. At this rate they're about $3 a piece, and I could get more of some other treat for that price. But if you don't care about the pricing and want only the best for you dogs, then this would be a perfect choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 5, 2026
K
Karie Watterson
Natrona Heights, US
★★★★★ 5
Dog chew treat
Flavor Name: Braided Stick (Chicken), Flavor Name: Braided Stick (Chicken)
​I recently purchased these Turkey Tendon Braided Sticks for my dog, and they have been a huge hit. Here are a few reasons why we both liked them: ​High Engagement: My dog was immediately interested and stayed busy with the chew. ​Healthy Ingredients: I appreciate that they are a Turkey Tendon Recipe, which feels like a much healthier alternative to some other chews on the market. ​Quality Design: The braided texture seems to help with the chewing experience and likely helps keep teeth clean. ​I will definitely be buying these again. If you're looking for a treat that is both enticing and made from good ingredients, I highly recommend giving these a try!
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Reviewed in the United States on January 3, 2026
A
Amazon Customer
Alexandria, US
★★★★★ 4
My Dog Loves Them, But They Don’t Last Long
Flavor Name: Braided Stick (Chicken)
My dog loves these iPaw Turkey Tendon Braided Sticks, but they don’t last as long as I expected. They keep him entertained for a short while and are tasty enough that he eagerly chews them. The natural ingredients are a nice touch, making them a satisfying treat despite the shorter chew time. Overall, a tasty snack my dog enjoys, even if it’s fairly quick to go through.
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Reviewed in the United States on January 3, 2026

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