• Marshall ST20C Studio JTM 20W Combo Tube Amplifier with Celestion G12M-65 Speaker
  • Marshall ST20C Studio JTM 20W Combo Tube Amplifier with Celestion G12M-65 Speaker — view 2
  • Marshall ST20C Studio JTM 20W Combo Tube Amplifier with Celestion G12M-65 Speaker — view 3
  • Marshall ST20C Studio JTM 20W Combo Tube Amplifier with Celestion G12M-65 Speaker — view 4
  • Marshall ST20C Studio JTM 20W Combo Tube Amplifier with Celestion G12M-65 Speaker — view 5
  • Marshall ST20C Studio JTM 20W Combo Tube Amplifier with Celestion G12M-65 Speaker — view 6
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Marshall

Marshall ST20C Studio JTM 20W Combo Tube Amplifier with Celestion G12M-65 Speaker

$2,050.95
$2,899.00 $2,050.95 Save $848.05
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Description

SKU 70st20cef

The Marshall ST20C Studio JTM is a 20-/5-watt, 2-channel tube combo amplifier that brings the iconic tone of Marshall’s early 2245 model into a compact, modern package. Featuring a single 12" Celestion G12M-65 Creamback speaker, this amp faithfully reproduces the creamy highs, loose lows, and dynamic overdrive that defined the birth of British blues-rock, while adding contemporary features for today’s players. Dual 5881 power tubes, along with 2 ECC83 preamp tubes and an ECC83 phase splitter, deliver authentic JTM tone, offering expressive response from soft cleans to rich overdrive. Both channels can be patched together to explore endless tonal possibilities, making the ST20C Studio JTM versatile for blues, rock, and beyond. Its vintage-inspired aesthetics, including levant front covering, metal “coffin” logo, gold piping, and finger-jointed plywood cabinet, combine classic style with modern construction for superior sound and portability. Modern convenience comes built-in, with an FX loop for seamless pedal integration, speaker-emulated DI output for recording or direct PA use, and selectable 5-watt power mode for bedroom practice or lower-volume situations. Whether for studio work, rehearsal, or small gigs, the ST20C Studio JTM delivers the legendary Marshall tone in a fully featured, compact combo. Features 2-channel, 20-/5-watt tube combo amplifier inspired by the Marshall 2245/JTM 45 Dual 5881 power tubes, 2 ECC83 preamp tubes, and 1 ECC83 phase splitter Celestion G12M-65 Creamback speaker with slightly enhanced bass and power handling High Treble and Normal channels patchable for flexible tone experimentation 3-band EQ plus Presence knob for precise tonal control Speaker-emulated DI output for direct recording or PA connection FX loop for easy integration of modulation and time-based effects JTM-inspired aesthetics: levant front covering, metal “coffin” logo, gold piping, and fawn fret Premium finger-jointed plywood enclosure for lightweight and superior sound Handbuilt in the UK Marshall factory Specs Type: Tube Number of Channels: 2 Output Power: 20W / 5W selectable Speaker Size: 1 x 12" Celestion G12M-65 Creamback Preamp Tubes: 2 x 12AX7 Phase Inverter Tube: 1 x 12AX7 Power Tubes: 2 x 5881 EQ: 3-band EQ, Presence Control Inputs: 2 x 1/4" (High Treble), 2 x 1/4" (Normal) Outputs: 5 x 1/4" speaker (4/8/16Ω), 1 x 1/4" DI out Effects Loop: Yes, with on/off switch Power Source: Standard IEC AC cable Dimensions: Height: 18.1", Width: 19.7", Depth: 10.4" Weight: 39.2 lbs

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