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Marshall ST112 Studio JTM 65-watt 1 x 12-inch Extension Cabinet

65-watt, 16-ohm, 1x12" Open-back Speaker Cabinet with Celestion G12M-65 Creamback Speaker
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Marshall ST112 Studio JTM 65-watt 1 x 12-inch Extension Cabinet
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A Celestion-equipped Tribute to Marshall’s Early Era

Inspired by the early years of Marshall amplification, the ST112 Studio JTM is a world-class 65-watt 1 x 12-inch cab that will make the most of your favorite tube head. This immaculately crafted cab is handbuilt in England, boasting a premium finger-jointed plywood enclosure, supple levant covering, and a charming old-school solid metal “coffin” logo that calls to mind Jim Marshall’s first tube amp creations. Inside the open-back design lies a Celestion G12M Creamback, providing a higher-power spin on the vintage Celestion speaker that set the sonic formula for rock’s overdriven revolution in the mid-1960s. It’s the perfect cab for your ST20H Studio JTM amp, but you’d be hard-pressed to find an amp with which the ST112 Studio JTM doesn’t excel!

Vintage-inspired Celestion G12M-65 Creamback Speaker

Originally released amid rock’s mid-1960s revolution, the Celestion G12M Creamback found in many a vintage Marshall amplifier helped define the sound of the burgeoning blues-rock scene. It’s arguably Celestion’s most iconic ceramic magnet speaker, gracing the records of countless all-time greats, including Jimi Hendrix, Eric Clapton, Jimmy Page, and Jeff Beck. The Marshall ST112 Studio JTM speaker cabinet’s G12M-65 retains the same vocal-like midrange, creamy highs, and aggressive overdriven tone of the original, only with a significantly higher power rating and a slightly improved low-end response to better suit the modern guitarist. For players who clamor for the raw and organic dirty tones that set the stage for Marshall’s dominance of the classic rock era, Sweetwater guitarists agree: the Celestion G12M-65 speaker is tough to top.

Marshall ST112 Studio JTM 65-watt 1 x 12-inch Cabinet Features:

  • Inspired by the early days of Marshall amplification
  • Celestion G12M-65 Creamback speaker delivers the raw and organic tone that fueled the mid-1960s blues-rock revolution
  • A perfect pairing for the Marshall ST20H Studio JTM amplifier head
  • Premium finger-jointed plywood enclosure, with handsome levant covering, gold piping, and beading, and the old-school Marshall “coffin” logo
  • Handbuilt in Marshall’s UK-based factory

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Tech Specs

  • Configuration: 1 x 12"
  • Powered: No
  • Speakers: Celestion G12M-65 Creamback
  • Power Handling: 65W
  • Impedance: 16 ohms
  • Mono/Stereo: Mono
  • Cabinet Type: Straight
  • Open/Closed Back: Semi-open
  • Inputs: 1 x 1/4"
  • Height: 19.3"
  • Width: 19.7"
  • Depth: 10.4"
  • Weight: 28.2 lbs.
  • Manufacturer Part Number: ST112

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There are countless "British"-style guitar amplifiers out there, but take it from the lifelong guitarists and tone connoisseurs at Sweetwater, when it comes to Marshall tone, there's nothing like the real thing. We've played them all, from vintage JTM45s and the ultra-cool Plexi reissue to modern handmade masterpieces such as the JVM410. There isn't a model among them we can't recommend with total confidence, and that includes their more affordable models too, like MG, DSL, and Code series amps. Thanks to our tight relationship with Marshall, Sweetwater's always on the cutting edge of their latest designs, custom models, and limited-edition gems. If you want iconic tone from across the pond, you want Marshall, and your Sweetwater Sales Engineer will help you find the perfect one.

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