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Marshall SV20C Studio Vintage Plexi 20W 1x10" Valve Amp Combo

A Portable, Mini Combo Version Of The Legendary 1959SLP "Plexi" Amp



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    Product Description

    The Marshall SV20C Studio Vintage is a mini combo version of one of the most popular guitar amps in history, and arguably the one that put Marshall on the map - the 1959SLP "Plexi"!

    Now available in a portable 'Studio Vintage' format, the all-valve SV20C pays homage to the legendary Plexi formula with its single-channel design, four High/Low sensitivity inputs and classic styling.

    Authentic Plexi Tones

    Since the '60s, Marshall's Plexi amplifiers have been used some of the world's most renowned guitar heroes, including Jimi Hendrix, Eddie Van Halen, Jimmy Page and John Frusciante.

    There's a reason why so many famous guitarists love the crunchy sound of an EL34-driven Plexi, and when you plug into one and crank it - you'll hear why! They're clear and crisp with plenty of punchy mid-range, meaning that you can effortlessly cut through any band mix with oodles of sustain. Your fiery riffs and solos will be singing for days!

    Power Reduction

    One of the Studio Vintage's coolest features is its power reduction switch. Letting you power down from the full 20W to 5W, the lower wattage allows you to drive the tubes harder at quieter volumes so that you can still attain those gnarly, saturated cranked valve amp sounds at bedroom levels!

    DI Output & Effects Loop

    The Marshall SV20C Studio Vintage is equipped with a DI output, which allows you to plug the amp directly into your recording interface and capture its tones with an emulated mic'd up cab sound. This is what makes the SV20C so versatile and studio-friendly - hence the name!

    If you're a stompbox fanatic, the SV20C can serve as an excellent pedal platform with its dedicated effects loop. Just plug your favourite modulation and time-based pedals in via the loop and enjoy seamless sonic bliss!



    • Model: SV20C
    • Range: Studio
    • Technology: Valve
    • Channels: 1


    • Output Wattage: 20W (with power reduction option to 5W)
    • Outputs: 2 x 1/4" jack speaker, selectable 16Ω / 8Ω / 4Ω load
    • Inputs: 4 (2 x high, 2 x low) "Lead and Bass"
    • Controls: Low/High power mode selection switch, presence, bass, middle, treble, high treble/loudness I, normal/loudness II
    • Effects: None
    • Effects Loop: Yes, series, send/return


    • Speaker Configuration: 1x10"
    • Speaker Model: Celestion V-type 10” (16Ω, 50W)
    • Unit impedance: 16Ω


    • Preamp Valves: 2 x ECC83, 1 x ECC83 (phase splitter)
    • Power Amp Valves: 2 x EL34


    • Cable: Detachable power cable included


    • Weight: 15.9kg / 35 lbs
    • Width: 500mm / 19.7"
    • Height: 460mm / 18.1"
    • Depth: 245mm / 9.6"
    Elliot Stent author picture

    Written by Elliot Stent

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    Here at Andertons Music Co. we believe that we stock some of the best musical equipment in the world. That's why we want to make it as quick and easy as possible for you to get your order, safe and sound!

    We offer a wide range of delivery options to help fit around your busy lifestyle without compromise. This includes free, named-day delivery for most UK postcodes on orders over £99 which are in stock, Saturday & Sunday deliveries, and competitive delivery rates worldwide.

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    Customer Reviews


    6 reviews





    Trusted Customer21st Jul 2021

    I wanted an amp that sounds like my full stage rig - (Marshall 1959 100W SLP) for rehearsals and perhaps smaller venue gigs. My Marshall DLS40CR doesn't do that. The Marshall SV20C fits the bill hence the purchase.

    Value 4Looks 4Durability 4Sound 5

    Mr. Lee Servis15th Mar 2020

    The amp sounds great

    Value 5Looks 5Durability 5Sound 5

    Mr Paul siebke30th Jun 2019

    This amp is awesome! Versatile sounds with the channels jumped. be aware though that this amp is VERY LOUD! even in 5W mode. I am using it with a JHS volume pedal in the FX loop to push the pre amp with less overall volume. Works well!

    Trusted Customer24th Apr 2019

    What can say this amp is used by every great rock guitarist of 20/21 century.

    Trusted Customer1st Apr 2019

    That sound.... Cannot tell you more.

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