Marshall ST20H Studio JTM 20-/5-watt Tube Amplifier Head
Marshall - ST20H Studio JTM, 20/5W, 2-ch 1x12" Tube Guitar Amplifier Head
- By DPD On 11th Dec to your specified address. | Free Receive SMS with one-hour delivery window Weekend, timed and European delivery options are available at checkout
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- SCANPROTECT Protect against installation damage for 28 days. More info
ST20H Studio JTM - 20-/5-watt Tube Amplifier Head
Tube Guitar Amplifier Head with 3-band EQThe unrivalled number one is here, just smaller. Reproducing the legendary, warm and smooth tones of the original Marshall JTM, the Studio JTM packs a punch. Swap between 20W and 5W at the flick of a switch and let the era-defining sound of the JTM steal the show, whether it’s playing at home, or on stage. Make sure to pair the ST20H with one of our Studio cabinets for a small but perfectly formed Marshall rig.
2 x 5881Power Amp Valves
2 x ECC83, 1 x ECC83Preamp Valves
1 with 2 VoicingsChannels
at a glance
• 2-channel, 20-watt tube amplifier head
• Dual 5881 power tubes, 2 ECC83 preamp tubes
• Treble, Middle, Bass, and Presence controls
• Speaker-emulated DI out
• Handbuilt in the UK
Key Features
OUTSTANDING MARSHALL SOUNDAn unmistakable sound that is recognised all over the world, the ST20H is a loving homage to the amp that responded to the rock’n’roll revolution. From its legendary warm and smooth tone to blending the voices for a combination of crunch and clean, the ST20H brings the outstanding sound that Marshall is so well known for.
COMPACT WITHOUT COMPROMISEAccurately recreating the iconic look seen across thousands of stages over the years, the ST20H has the power of a classic Marshall amp in a new, more compact design. Packed with the same vintage tones you know and love, just in a smaller package. Features such as a DI out and FX loop have been added, bringing the JTM into the present day.
POWER REDUCTIONWhether you're playing at home or an intimate gig, swap between 20W and 5W at the flick of a switch thanks to built-in power reduction technology. The 5W mode allows playing at a lower wattage without compromising on tone.
UK-MADE AND ALL-VALVEHandmade in the same UK factory that has been manufacturing Marshall amps since the late 60s, the ST20H is built on decades of experience with expert craftsmanship at the very heart. Loaded with two ECC83 preamp valves, two 5881 power amp valves and one ECC83 phase splitter, the ST20H takes you right back to the renaissance of rock’n’roll.
Studio JTM | Official Demo | Marshall
The Tech Spec
| Features | Specification | Model | ST20H |
|---|---|
| Technology | Valve |
| Channels | 1 with 2 voicings |
| Output wattage | 20W (with power reduction option to 5W) |
| Outputs | 5 x 1/4” jack sockets (16Ω load / 8Ω load / 4Ω load) |
| Inputs | 4 x 1/4" jack instrument inputs (high/low sensitivity) |
| Controls | Treble, Middle, Bass and Presence |
| Effects loop | Yes, send/return |
| Preamp valves | 2 x ECC83, 1 x ECC83 (phase splitter) |
| Power amp valves | 2 x 5881 |
