Marshall SV20H Studio Vintage 20W Tube Head

Current price: Current price: $1,749.99


Offer available through 6/30/23.
This item is out of stock.
We currently have more on order. Reserve yours today or contact our team for more information.
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Marshall Studio Vintage Series 20-Watt Valve Amplifier Head

Marshall SV20H brings the classic tone of 1959SLP straight to your home. Arguably the most famous amp of all time has been perfectly reinvented for today's guitarist, uniting the original all-valve sound with the choice to switch between 20W and 5W at the touch of a button.

  • 20W with power reduction option to 5W
  • 2 × ECC83 preamp valves
  • 2 × EL34 power amp valves
  • ECC83 phase splitter valve
  • Effects loop
factory image of several exposed Marshall SV20H heads without housings

Handcrafted in the UK
SV20H captures the classic Marshall spirit with an iconic British built valve amp.

detail image of Marshall SV20H showing power and standby switches

Tame the untameable
Get everything you expect from 1959SLP, now available with power reduction technology, letting you shift gears from 20W to 5W.

detail image of Marshall SV20H showing power and standby switches
detail image from above of Marshall SV20H showing logo and knobs

Classic sound captured
SV20H accurately recreates the iconic sound heard on thousands of influential tracks from across the years.

close-up front view of Marshall SV20H sitting on top of speaker cabinet

Iconic stylings
A sonic essential lovingly recreated for today's player, SV20H truly mirrors 1959SLP.

close-up front view of Marshall SV20H sitting on top of speaker cabinet

illustration of Marshall SV20H main panel controls and inputs
More Information
Manufacturer Marshall
Condition New
Included from Manufacturer Power cable
Speaker cable
Amplifier Type Tube
Amplifier Format Head
Amplifier Application Electric Guitar
Power 20W with power reduction option to 5W
Audio Inputs 1/4" high sensitivity, high treble input
1/4" low sensitivity, high treble input
1/4" high sensitivity normal input
1/4" low sensitivity normal input
1/4" effects loop return input
Audio Outputs 1/4" effects loop output
1/4" 16Ω speaker output
2 × 1/4" 8Ω/16Ω speaker outputs
2 × 1/4" 4Ω/8Ω speaker outputs
1/4" DI output
PRESENCE knob to adjust high frequencies of the power amp
Effects Loop Yes
Height 9.4"
Width 19.7"
Depth 9.1"
Product Weight 20.4 lb


All Marshall amplifiers sold by authorized Marshall USA dealers are warranted by Marshall USA to be free from detects in material or workmanship under use and service period of five (5) years* on parts and three (3) years* on labor and speakers from the original date of purchase. Products must be purchased from an authorized dealer within the continental United States In order to receive warranty service.

Any products found to be defective within the applicable period will be replaced at the option of Marshall USA. without any charge provided that: (1) the product was not modified, misused, abused, improperly maintained by any person not authorized by Marshall USA, (2) failure resulted from a defect in material or workmanship and was not damaged due to use other than its intended use; (3) the product was not used in abnormal, excessive, or unusual operating conditions and (4) the product is promptly delivered prepaid to the seller at the place of purchase or to an authorized Marshall USA warranty service center with proof of purchase within the applicable period.

Do not return units to Marshall USA for service.

There are no warranties, expressed or implied, other than those expressed herein. Further, there is no warranty of merchantability or fitness for a particular purpose. This warranty does not cover units for loan or rental.

Limitation of liability; the above warranty represents purchaser's exclusive remedy and Marshall USA shall not be liable for any special, incidental, or consequential damages relating to the product sold.

Some states do not allow limitations on the duration of implied warranty or the exclusion may not apply to some purchasers. This warranty gives purchasers specific legal rights and purchasers may also have other rights which vary from state to state.

* Exceptions:

MS-2, MS-4, MT-1, Effects pedals 1 Year
Tubes, Footswitches 90 days
Vinyl Covers/Bags & Batteries No warranty

  • Ground shipping is FREE for all orders $99 and up.
  • Our central, midwest location ensures fast delivery times.
  • See below for transit day estimates. Please note, these are estimates and are not guaranteed.

Generally, package estimated transit days are as follows:

  • Upper Midwest: 1-3 days
  • Central US, South East US, and East Coast: 2-4 days
  • West Central US: 3-5 days
  • West Coast: 4-6 days
  • Alaska & Hawaii: 7+ days
All transit times are based in business days. Please allow 7-10 business days for most freight shipments. Business days are Monday through Friday and do not include public holidays and weekends (Saturday/Sunday.) For questions regarding estimates to your specific location, please contact us at [email protected] or 800-783-3368.