Marshall SC20H Studio Classic 20W Tube Head


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Marshall Studio Classic Series 20-Watt Valve Guitar Amplifier Head
Bonus Item

The original JCM800 2203 changed the face of modern amplifiers forever. Updated and enhanced, Marshall Studio Classic SC20H is here to do it all over again. Replicating the first amp that truly embodied the overdriven sound of heavy rock, the portable SC20H brings timeless sounds to the modern guitarist with the option to switch between 20W and 5W at the flick 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
detail image of Marshall SC20H control panel

UK-made all-valve amplifier
This makes SC20H just like the original that kicked off the Marshall JCM800 2203 revolution and changed the face of modern amplifiers forever.

detail image of Marshall SC20H showing power and and standby switches

Power reduction
Change between 20W and 5W, letting you take control of your tone.

detail image of Marshall SC20H showing power and and standby switches
detail image of Marshall SC20H showing carrying handle

SC20H is compact, lightweight and easily transportable.

close-up image of Marshall SC20H sitting on top of speaker cabinet with hand adjusting controls

Authentic JCM800 2203 tone
SC20H has a master volume control and series effects loop so you can recreate that signature sound.

close-up image of Marshall SC20H sitting on top of speaker cabinet with hand adjusting controls

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 input
1/4" low sensitivity input
1/4" effects loop return input
Audio Outputs 1/4" effects loop send 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 20.1"
Depth 9.4"
Product Weight 20.7 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


You may have seen the images of ships stacking up on the west coast, waiting for their turn to port. This combined with the increased demand for domestic shipping of products from all industries across our nation has resulted in a rapidly fluctuating climate for receiving and shipping products. While we do our best to offer accurate shipping estimates, please remember that complications can arise which may be beyond our control. Know that Kraft Music is here to assist in any way that we can.

  • 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.

Though forcasting shipping times has become increasingly difficult, general FedEx 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.