Pre-Owned Marshall JCM800 Studio Head


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Marshall JCM800 Studio Head

Ever since its introduction in 1975 (as the 2203 and 2204, the 800 officially debuted in 1981) the Marshall JCM800 has been THE sound of heavy guitar.  Its cascaded gain stages give it an unmistakable roar that can be heard on countless hard rock and heavy metal albums and came to define an era of guitar tones.  Unfortunately, like most vintage Marshalls a JCM800 or 900 really comes into its own at stage (read: arena) volumes being a 50 or 100 watt amp.  Luckily the folks over at Marshall have adapted this classic amplifier topology for the modern gigging or studio player, lowering the output wattage to 20W and adding modern features like a low power (5W) mode and switchable effects loop while keeping all the classic tone and response of a big bottle, high gain tube amp.

This amp keeps the classic tube complement of 3 x ECC83/12AX7 in the preamp and 2 x EL34 power tubes and shares controls with its big siblings in the 800/900 series.  You get the classic Marshall TMB tone control with Presence so you can dial in the power amp’s high end content.  By balancing the Preamp and Master Volume controls you can dial in a wide range of gain options (particularly by switching between the High and Low gain inputs).  A series effects loop lets you seamlessly integrate your effects into your rig while keeping your core tone preserved and the DI out on the back increases the different ways you can use this amp with outboard gear.  If you want a killer sounding, loud, high gain amp but 100 or 50 watts is just too much, the Marshall Studio Classic could be just what you need.

This amp works as described and is in very good condition, showing only very light wear that can be seen in photos. 




Studio Classic Head SC20H


20W/5W (switchable)






3 x ECC83 / 12AX7

2 x EL34


4, 8, 16 Ohms (selectable) 




1 x 1/4" High gain input, 1 x 1/4" Low gain input


5 x 1/4" speaker out ( 1 x 16 Ohm, 1 x 8 Ohm or 2 x 16 Ohm, 1 x 4 Ohm or 2 x 8 Ohm)

1 x 1/4" DI Out


Power switch, Output Power/Standby Switch, Presence, Bass, Middle, Treble, Master Volume, Pre-Amp Volume, Effects Loop On/Off (on back panel)


1 x 1/4" Effects Loop Send

1 x 1/4" Effects Loop Return


20.1” x 9.4” x 9.4”


20.7 Lbs.


IEC Cable, 1/4" Speaker Cable


This item is at Five Star Guitars on consignment, as a result all sales are final.



Type: Guitar Amps