Marshall ST20C Studio JTM 20W Valve Amp Combo – £899 New

20W

20W refers to the power rating of an amplifier, indicating it can deliver 20 watts of output. A 20-watt amp is ideal for practice, small gigs, and studio recording, offering a good balance between volume and portability. These amps can provide rich tone and natural overdrive at manageable volumes, making them popular with guitarists who want quality sound without excessive loudness.

Amp

An amp, short for amplifier, is a crucial piece of equipment that boosts the signal from your guitar or other instruments, allowing you to control volume and shape your tone. Guitar amps come in various styles, including valve (tube), solid-state, and digital modelling, each offering unique sound characteristics. Whether you’re practicing at home, recording in the studio, or playing live, the right amp can make all the difference in achieving your desired sound—from clean and crisp to rich overdrive and distortion.

Combo

A combo amp is a guitar amplifier that combines both the amplifier head and speaker(s) into a single, portable unit. This all-in-one design makes combo amps convenient for practice, recording, and gigging without needing separate components. They come in a variety of sizes and power levels, from small practice models to powerful stage-ready amps. Combo amps offer versatility and ease of use, making them popular among guitarists of all levels.

Guitar Amps and Cabs

Studio

valve

Valve, also known as tube, refers to a type of amplifier technology that uses vacuum tubes to amplify the guitar signal. Valve amps are renowned for their warm, rich tone, natural compression, and smooth distortion when driven hard. Many players prefer valve amps because of their dynamic response and organic sound character. Although they require more maintenance and can be heavier than solid-state amps, valve amplifiers remain a favourite choice for professional musicians seeking classic tones and expressive performance.

About Marshall

We have new and used Marshall musical equipment available on our website for fast direct delivery from sellers across the UK & Europe.

Marshall Amplification is a British company famous for its iconic guitar amplifiers and effects pedals. Founded in 1962 by Jim Marshall in London, the brand quickly became a favourite among legendary guitarists for its powerful, distinctive sound. Marshall amps helped define the classic rock tone and remain popular across many genres today. The company offers a wide range of amplifier models, from vintage-inspired designs to modern versatile units, maintaining a strong reputation for quality and innovation in the music industry.