Description
The Marshall SN20H Studio 900 Head blends iconic JCM900 tone with modern flexibility. This 20-watt tube amplifier head features two ECC83 preamp tubes, one ECC83 phase splitter, and two 5881 power tubes. It delivers the classic punch and warmth that guitarists demand, but in a more compact and controllable format.
Check out the official demo from Marshall:
Studio 900 Head & Combo Official Demonstration.
Why Choose the Marshall SN20H Head?
First, the SN20H offers dual channels with independent gain, volume, and reverb controls. It also includes a 4-band EQ plus presence, allowing precise tonal shaping. Because of this, you can craft classic clean tones or high-gain crunch without extra pedals.
Moreover, it features power scaling—switchable between 20W, 5W, and <1W—so it performs equally well on stage or in studio settings. A spring reverb is built in per channel for added depth, and it includes a series effects loop to integrate pedals seamlessly.
Key Features
- 20W tube amp head – classic warmth with adjustable low-power settings
- Dual ECC83 + 5881 tubes – true tube character powered by Marshall’s hybrid design
- Dual channels & 4-band EQ – full tone control including presence and reverb
- Power scaling – switch between 20W, 5W, or <1W volume output
- Series FX loop – for smooth integration with pedals and rack effects
- Balanced DI output – recording-ready without sacrificing tone
- Five speaker outputs (4/8/16Ω) – connect to a variety of cabinets
The Marshall SN20H Studio 900 Head captures the soul of the 90s while meeting today’s demands. It’s ideal for gigging players, studio engineers, and tone chasers alike.
Pair it with our amp accessories and speakers or browse more from our Marshall Amps collection. For full specifications and support, visit the Marshall official website.
