Marshall SN20C-U JCM900 Combo Guitar Amp

Unleash Vintage Tone - Marshall SN20C-U JCM900 Combo Guitar Amp

The Marshall Studio 900 Combo is a compact, high-performance amp that captures the spirit of the iconic JCM900, delivering the same bold crunch, dynamic clarity, and versatile tones in a streamlined 20W format. Crafted in the UK with the same attention to detail as the original, this all-valve combo features dual channels, onboard reverb, and power attenuation options (20W, 5W, <1W), making it ideal for both stage and studio use. Whether you're after sparkling cleans or screaming leads, the Studio 900 Combo provides professional-grade tone with intuitive controls and built-in flexibility.

• Dual channels for seamless transitions and tonal variety
• Power attenuation options (20W, 5W, <1W) for volume control without sacrificing tone
• Built-in spring reverb and Celestion G12T-75 speaker for rich, dynamic sound

SPEICIFCATIONS

• Output wattage: 20W (with power reduction to 5W), <1W
• Channels: 2
• Technology: Valve
• Valves: 2 x ECC83, 1 x ECC83 (phase splitter), 2 x 5881
• Speaker model: Celestion G12T-75 (16Ω, 75W)
• Speaker configuration: 1 x 12 inch
• Speaker outputs: 5 x 1/4 inch jack sockets (16Ω, 8Ω, 4Ω loads), DI output, Compensated DI output
• Weight: 17.9 kg / 39.5 lbs
• Width: 510 mm / 20.1 inch
• Height: 460 mm / 18.1 inch
• Depth: 255 mm / 10 inch

We are Musictoner Musictoner

Since 1958, Chuck Levin’s Musictoner has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.