Detail 01
20W / 5W power
You can select between two output-power settings.
Product detailSKU #1500000403376
MarshallStudio JTM Tube Guitar Amp Head Black
1/4
Independent shopping perspective
The Korena take
Marshall’s Studio JTM head brings an all-valve JTM-style layout into a compact 20W/5W format aimed at home and studio work. Four inputs provide high- and low-sensitivity options across its two channels, with shared EQ and separate channel loudness controls. For a different working setup, an instrument patch cable can link the channels so their volumes can be blended. A DI output and effects loop extend the routing options beyond the classic control layout.
Strong match
Who this is for
- Home or studio guitar work using the selectable 20W or 5W power settings.
- Blending the two channels by linking their inputs with an instrument patch cable.
- Recording or routing setups that call for a DI output and effects loop.
Consider the trade-offs
When to look elsewhere
- Players who need traditional footswitch-style channel switching, as this layout does not use it.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Four inputs
High- and low-sensitivity inputs are provided across the two channels.
Detail 03
Valve complement
The head uses two ECC83 preamp valves, one ECC83 phase splitter, and two 5881 power valves.
Detail 04
DI output and effects loop
Both connections are built into the amp head for expanded routing.
Final check
Know before you order
- 01Channel blending requires an instrument patch cable between the specified channel inputs.
- 02The amp has no traditional channel switching.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Can I switch between 20W and 5W?
Yes. The Studio JTM head has selectable 20W and 5W power settings.
02Does it have a DI output and effects loop?
Yes, both are included.
03How do I blend the channels?
Connect channel 1 input 2 to channel 2 input 1 with an instrument patch cable, then set the channel volumes.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
2 detailsSound
- Power
- 20W/5W
- EQ
- Treble, middle, bass and presence
1 detailsBody & build
- Color
- Black
1 detailsConnections & power
- Inputs
- 4
2 detailsSize & weight
- Dimensions Wxhxd
- 19.6 inch x 9.45 inch x 9.05 inch
- Weight
- 20.4
2 detailsOther
- Channels
- 1
- Valves
- 2 x ECC83, 1 x ECC83 (phase splitter), 2 x 5881
