Pricing and availability
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Average Price: $1,200
High-end/Boutique
$300
$801+
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High-end
Price History
Based on price data from 5 merchants for "Marshall SV20H Studio Vintage". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Introducing the Marshall SV20H Studio Vintage, a compact-sized tube guitar amp head that packs a punch. With its roots deeply embedded in the iconic Marshall 1959SLP "Plexi" amplifier, this 20-watt beauty serves up the legendary Plexi tone that has inspired generations of musicians. It's perfect for musicians craving saturated blues tones, biting leads, and everything in between.
The SV20H Studio Vintage offers a unique blend of vintage vibe and modern convenience. It comes equipped with four separate inputs that allow you to blend your sound and achieve the perfect tone, offering everything from a clean tone to searing lead tones. The amplifier's power reduction feature ensures that you can enjoy cranked Plexi tones at listenable volumes, making this amp an ideal choice for both stage performance and bedroom practice.
The Studio Vintage's distinctive EQ section allows for complete tonal control, offering Bass, Middle, Treble, and Presence controls. This classic EQ layout assures you'll have full control over your tone, allowing you to shape your sound to your exact preference.
Key Features:
- Packs the legendary tone of a 1959 Super Lead into a 20-watt head
- Four separate inputs for versatile sound blending
- Distinctive EQ section with Bass, Middle, Treble, and Presence controls for complete tonal control
- Power reduction feature for bedroom-friendly volumes
- DI output for easy recording or routing to a PA
- Effects loop for easy integration of your effects pedals and processors
- Portable size, vintage-inspired control panel, and gold piping for a classic look
- Leather strap handle for easy transport
Product specs
| Type | Tube |
| Number of Channels | 2 (Normal, High Treble) |
| Total Power | 20W (5W setting) |
| Preamp Tubes | 3 x 12AX7 |
| Power Tubes | 2 x EL34 |
| EQ | 3-band EQ |
| Inputs | 2 x 1/4" (high, low treble input), 2 x 1/4" (high, low normal input) |
| Outputs | 1 x 1/4" (16 ohm), 2 x 1/4" (single 8 ohm or 2 x 16 ohm), 2 x /14" (single 4 ohm or 2 x 8 ohm), 1 x 1/4" (DI out) |
| Effects Loop | Yes |
| Bias Type | Cathode Biased |
| Construction Material | Black Tolex |
| Power Source | Standard IEC AC cable |
| Height | 9.4" |
| Width | 19.7" |
| Depth | 9.1" |
| Weight | 20.4 lbs. |
FAQs
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What is the Marshall SV20H Studio Vintage amp based on?
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The Marshall SV20H Studio Vintage is based on the iconic 1959SLP, known for its classic tone shaping and harmonics, delivering these in a more portable format.
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Is the Marshall SV20H Studio Vintage loud enough for live performances?
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The SV20H is quite loud with its 20W power, but its performance in a live setting depends on your speaker cabinet and drummer. Using a 2x12 cabinet with efficient speakers can significantly enhance its volume.
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What type of tubes does the Marshall SV20H use?
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The Marshall SV20H features 3 x 12AX7 preamp tubes and 2 x EL34 power tubes, providing its distinctive tube-driven sound.
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Does the Marshall SV20H Studio Vintage have an effects loop?
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Yes, the Marshall SV20H Studio Vintage includes an effects loop, allowing you to integrate external effects into your signal chain seamlessly.
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What are the connectivity options for the Marshall SV20H Studio Vintage?
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The SV20H offers multiple inputs and outputs, including 2 x 1/4" inputs for high and low treble, 2 x 1/4" inputs for high and low normal, and several speaker outputs for various ohm configurations.
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Can the Marshall SV20H be used at lower power settings?
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Yes, the Marshall SV20H has a switchable power setting, allowing you to run it at 5 watts for situations where lower volume is required.
Videos
Toby's Guitar Gear Demos 🎵
Marshall Studio Vintage - BEST Plexi on the market? | SV20H
Marshall Studio Vintage - BEST Plexi on the market? | SV20H
Toby's Guitar Gear Demos 🎵
Marshall SV20 Studio Vintage - DIMED!!
The Studio Rats
Marshall Studio Vintage SV20H Head Demo & Review | Guitar.com
Guitar
Marshall Studio Vintage SV20h - Diego Leanza
Diego Leanza
Classic Tones, Smaller Package: Marshall SV20H Studio Vintage
Riffs, Beards & Gear
Marshall's BEST PLEXI (Studio Vintage 20) SV20
Play and Trade Guitars
Reviews
PROS
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Authentic '67-'69 plexiglass Marshall sound in a smaller package
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Excellent for both live performance and recording without needing an attenuator
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Preamp tube upgrade enhances tone quality significantly
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High touch sensitivity allows for dynamic play with guitar volume knob
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Channels voiced to be jumped for perfect tone blending
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5W mode offers manageable volume levels with maintained tone quality
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Effect loop runs reverb and delays very well, enhancing effects sound
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Solid and sturdy build quality, both inside and out
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Versatile tones ranging from clean, blues, jazz to classic rock and metal
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Takes pedals exceptionally well, especially time-based effects
CONS
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Non-master volume design may require external attenuation for volume control
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Channel 1 is voiced too bright, potentially harsh without adjustments
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On full power, might be too loud for apartment use without an attenuator
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5W mode still considerably loud for home practice in close quarters
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Bright and normal channels on their own may be too harsh or too muddy without jumping
Critic Reviews
5.0 out of 5
Based on 5 Reviews and 13 Ratings
79
Great amp, bloody loud
Full on 1959 stuff, harsh bright cap and all. My only gripe would be the cathode biased power section that runs at kind of a low voltage compared to its bigger brothers. It's almost a bit too smooth, not fuzzy enough. But that's really just a nitpick.
Great modding platform too, despite being PCB based. I must confess I have defaced mine with various added switches and such, but man is it cool.
Preferred Settings + Usage:
Plugged into Treble High, jumpered to Normal High. Normal Vol 4, Treble Vol 6-10, bass 3, mids 6-10, treble 6-8, presence 6.
Modded "settings": bright cap 500pf, depth up a tiny bit from 0, and a bigger bypass cap on V2.
340
The only way to get that genuine marshall Plexi sound at low volumes...
What a great amp, very loud despite being 5/20w seriously you will need an attenuator to use this in the studio if you want to crank it up. Whilst this amp is comfortable with pedal boards going into the front, the FX Loop is really awesome for Modulation/Delay?reverb FX pedals.
You can pair it up with any cab of your choice, personally I opted for the 212 matched cabinet in the Studio Vintage range which compliments the amp a great deal.
41029
20 watts is probably a good half the actual SPL of a 100 watt through a speaker(s) of the same efficiency, wattage is nonlinear when translated to actual loudness.
647
Great Amplifier
I've been using this amp almost exclusively for the last year+. The light breakup is incredible, it takes boost & drive pedals well, and the amp gets great heavier gain tones. I only wish it was 2 dedicated channels so a proper clean/dirty selection with independent EQ was possible.
132
Incredible plexi tones
Superb vintage tones. From Lovely cleans, to 1960’s warm breakup, blues, through to 60’s-70’s rock tones and beyond. The matching SV212 cab is a great tonal match. Very versatile with 4 inputs and can blend sounds by patching them together. Works brilliantly with gain pedals or modulation effects.
101
Artist usage
Add artist
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https://www.instagram.com/p/CoXh8OGLUUS/?utm_source=ig_web_copy_link&igshid=MzRlODBiNWFlZA==
paul_gilbert_official For the “vocal” on “Holy Diver,” I used a 90s Ibanez Ghostrider, a JHS Twin Twelve V2, a Supro Drive, and a Marshall JTM45. I took photos of the gear and settings for nearly all of the recording of “The Dio Album,” so more to come! Link in Bio to listen and pre-order!
In a YouTube video titled "Geordie Greep - The Boys Are Back in Town (Thin Lizzy cover) [Live in Leeds - 29/10/24]" by Trickster95, Geordie Greep is seen using the Marshall SV20H Studio Vintage amplifier with a matching cab.
In this screenshot of Cameron Picton’s Instagram story we can see he uses a Marshall SV20H amplifier.
In the video "Greg Koch Tour Gear Reveal 2023" by Fishman Music, Greg Koch mentions that he has been using "this little Marshall," which refers to the Marshall SV20H Studio Vintage guitar amplifier head.
In this video called “My one and only Valve Amp” Dave is telling his followers that the Marshall Studio Vintage is his favourite valve amp
Dan Hawkins can be seen demoing the SV20H ‘Plexi’ 20w head and SV212 cab in the official Marshall YouTube video. When interviewed he says he will definitely be using it for band practice as it sounds very close to a 100w plexi when turned up.
In the 2021 "Rig Rundown" by John Bohlinger on Premier Guitar, it is confirmed that Joe Hottinger uses two 2020 Marshall SV20H Studio Vintage plexi-style heads as part of his amplification setup.
In this Instagram post, Peter Stroud says:
Marshall Studio SV20’s still going strong! My rig with Sheryl Crow since 2021.
One for crank, the other for clean.
The Crank: EL34’s through a mid-70’s Celestion G12M. Mic’d with a vintage Shure Unidyne 545 and sE VR2 ribbon mic.
The Clean: 6L6’s through a blackback Celestion G12H-30. FOH gets signal from a Two Notes Torpedo X with the Blackback IR from Pete Thorn’s Signature Tones Collection. Sounds almost identical to the real blackback in my 112 cabinet and translates better out front.
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In this post Marshall SV20H can be seen standing placed on cabinet behind George.
Multiple Marshall SV20H Studio Vintage tube heads can be seen in the background of this show at the Hibiya Open-Air Concert Hall on February 12, 2015. These were most likely used for stage decoration or display, as MiA can be seen adjusting a Fractal Axe FX-II during soundcheck at 1:34:28.
Album Usage
The Marshall SV20H Studio Vintage has been featured on the following albums:
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Marshall SV20H Studio Vintage, it is most commonly used with the following gear.
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Community setups
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