
Do you have a question about the Marshall Amplification STUDIO JTM ST20C and is the answer not in the manual?
| Preamp Tubes | 3 x ECC83 |
|---|---|
| Power Tubes | 2 x EL34 |
| Reverb | No |
| Effects | No |
| Power | 20 Watts |
| Speaker | 1x12" |
| Controls | Bass, Middle, Treble, Presence |
| Type | Tube Combo |
Specifies mains input voltage rating and fuse details for safe operation.
Guides on connecting speaker cabinets, setting switches, and connecting power for initial use.
Controls the mains power supply to the amplifier, turning it on or off.
Selects between 5W, standby, and 20W power modes for the amplifier.
Adjusts high frequencies of the power amp for added bite.
Adjusts low frequencies, adding bottom end and depth to the sound.
Adjusts mid frequencies, shaping tone from fat to aggressive.











