The Marshall ST20H Studio Series JTM 20W Head brings the legendary sound of the iconic JTM45 to your fingertips in a more compact, versatile format. Designed to deliver the warm, harmonically rich tones that defined rock and blues, this all-valve amp head is perfect for stage, studio, or home use. With modern updates like power reduction and an effects loop, the ST20H delivers vintage tone with the flexibility today’s players demand.

Whether you're after smooth cleans or thick, crunchy overdrive, the ST20H has you covered. The 20W output can be reduced to 5W, making it perfect for quieter environments while maintaining its classic tone.

Classic Valve Tone
Powered by three ECC83 preamp valves and two 5881 power amp valves, the ST20H recreates the unmistakable sound of the JTM45 with incredible accuracy. From shimmering cleans to creamy overdrive, this amp is a versatile tone machine.

Built for Modern Players
While paying homage to its legendary predecessor, the ST20H incorporates modern features like an effects loop and DI out, making it ideal for recording and live performance.

Technical Highlights:

• Output Power: 20W with power reduction to 5W
• Valves: 3 x ECC83 (preamp), 2 x 5881 (power amp)
• Inputs: 2 (High/Low sensitivity)
• Outputs: 3 x 1/4" speaker outputs (16Ω, 8Ω, 4Ω)
• Controls: Presence, bass, middle, treble, loudness I, loudness II
• Effects Loop: Series, send/return
• DI Output: For direct recording or PA connection

Dimensions:

• Weight: 10.1kg / 22.3 lbs
• Width: 510mm / 20.1"
• Height: 240mm / 9.4"
• Depth: 245mm / 9.6"

Why Choose the Studio JTM Head?

• Legendary Tone: Captures the rich, dynamic sound of the JTM45 in a compact 20W format
• Modern Features: Power reduction, effects loop, and DI out for versatility
• Portable Design: Lightweight and easy to transport
• Perfect for Any Setting: Ideal for live gigs, studio recording, and home practice

Elevate your rig with the Marshall ST20H Studio Series JTM 20W Head, available at British Audio. Visit https://www.britishaudio.com to order yours today and experience the timeless Marshall tone.