Detail 01
Power: 20W/5W
Power switching lets you select between the two listed output settings.
Product detailSKU #1500000403379
MarshallStudio JTM Tube Guitar Combo Amp Black
1/4
Independent shopping perspective
The Korena take
Marshall’s black Studio JTM combo places a 12-inch Celestion G12M-65 Creamback speaker and valve amplifier in one package. Switch between 20W and 5W, shape the shared EQ, and use the two channel volumes to work with the amp’s two-channel layout. A short instrument patch cable can link the channels for blending their individual character. The D.I. output and effects loop broaden the routing options for home or studio work.
Strong match
Who this is for
- Home or studio players who want selectable 20W or 5W output from a valve combo.
- Players who want to blend two channel volumes using a short instrument patch cable.
- Guitar rigs that need an effects loop or D.I. output for routing.
Consider the trade-offs
When to look elsewhere
- Players who need conventional channel switching; the Studio JTM uses a two-channel layout without 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
Valves: 2 x ECC83, 1 x ECC83 phase splitter, 2 x 5881
This is the listed valve complement of the combo.
Detail 03
Inputs: 4
Each of the two channels has high- and low-sensitivity input options.
Detail 04
Speaker: 1 x 12-inch Celestion G12M-65 Creamback
The combo contains a single 12-inch Creamback speaker.
Detail 05
EQ: treble, middle, bass, presence
These controls are shared between the two channels.
Detail 06
Dimensions and weight: 19.7 x 18.11 x 10.43 inches; 39
Useful figures for planning placement and transport.
Final check
Know before you order
- 01Traditional channel switching is not part of this two-channel design.
- 02Channel blending requires a short instrument patch cable between the specified inputs.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Can the two channels be blended?
Yes. Connect channel 1 input 2 to channel 2 input 1 with an instrument patch cable, then adjust the channel volumes.
02Does it have an effects loop?
Yes, it includes an effects loop and a D.I. output.
03What speaker is installed?
It has one 12-inch Celestion G12M-65 Creamback speaker.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
3 detailsSound
- Speaker
- 1 x 12 inch Celestion G12M-65 Creamback
- Power
- 20W/5W
- EQ
- Treble, middle, bass and presence
1 detailsBody & build
- Color
- Black
1 detailsConnections & power
- Inputs
- 4
2 detailsSize & weight
- Dimensions Wxhxh
- 19.7 inch x 18.11 inch x 10.43 inch
- Weight
- 39
2 detailsOther
- Channels
- 1
- Valves
- 2 x ECC83, 1 x ECC83 (phase splitter), 2 x 5881
