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Condition: New

Marshall ST20C Studio JTM Combo Amp

Marshall ST20C Studio JTM Combo Amp
Marshall ST20C Studio JTM Combo Amp
Marshall ST20C Studio JTM Combo Amp
Marshall ST20C Studio JTM Combo Amp
Marshall ST20C Studio JTM Combo Amp


Brand new stock

Official Marshall Dealer

Courier delivery Included




Check put this all new painstakingly developed Studio JTM amp. This made in England Marshall ST20HC Studio JTM Guitar Combo combines great looks with classic JTM character and modern day performance orientated features. The result is a perfect blend of old and new wrapped up in a rugged and reliable package.

This Marshall ST20C reproduces the legendary, warm, and smooth tone of the original Marshall JTM by recreating the vintage tones that so many know and love. Offering full vintage sound for the small stage (Low wattage) the player can swap between 20W and 5W at the flick of a switch. This UK made guitar amp head has classic Creamback Celestion speakers, first developed in the mid-sixties, and much like the original JTM, the Studio JTM has the ability to jump channels with a patch cable. This fantastic Studio JTM range also comes complete with a newly added FX Loop and DI out.

This is what Marshall have to say about this all new range of guitar amps - The amp that started it all is back. The same iconic JTM sound, but more compact packing the power you know and love from Marshall, in a new compact size. The JTM is a welcome addition to the Studio range, offering players authentic, smooth, and valve-driven break-up at lower volumes – perfect for home or studio use. Don’t let its size fool you, the superb all valve tone of the Studio JTM packs a punch. Creating a sound that defined a generation the JTM delivers the legendary loud blend of crunch and clean recognised the world over.   Like the original 30W head, the Studio JTM is loaded with two ECC83 preamp valves, two 5881 power amp valves and one ECC83 phase splitter, taking you right back to the renaissance of rock’n’roll.

The Studio JTM offers the same control and versatility as older models, where simply patching the two channels together opens up a world of all-valve tonal possibility. Power switching enables you to switch effortlessly between 20W and 5W and two loudness controls mean you can play as loud as you like. Features such as a DI out and FX loop have been added, bringing the JTM into the now. 

Hand built in England, the Studio JTM features fingerjointed cabinets, hand-welded chassis, hand-soldered potentiometers and valve bases, and the highest quality componentry. Adorned with period-correct aesthetics from the same metal, red enamel poured “coffin” logo to its fawn fret complete with gold piping and beading, the Studio JTM beautifully nods to the 60s. 

Marshall ST20C
Range Studio
Technology Valve
Channels 1 with 2 voicings
Output wattage 20W (with power reduction option to 5W)
Outputs DI output and 5 x 1/4” speaker outputs (16Ω load / 8Ω load / 4Ω load)
Inputs 4 x 1/4" jack instrument inputs (high/low sensitivity)
Controls Treble, Middle, Bass and Presence
Effects None
Effects loop Yes, send/return
Speaker configuration 1x12”
Speaker Power handling 65W
Speaker model Celestion G12M-65 Creamback (16Ω, 65W)
Seaker Unit impedance 16Ω
Preamp valves 2 x ECC83, 1 x ECC83 (phase splitter)
Power amp valves 2 x 5881
Detachable power cable included
Weight 17.8kg / 39.2lbs
Width 500mm / 19.7" -  Height 460mm / 18.1" - Depth 265mm / 10.4"

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