Marshall Studio Vintage SV20H, 2019, jumper 1-2 (less gain), Honky Guitar

**Last updated:** 2026-07-12 ## Equipment * Marshall Studio Vintage SV20H (2019, 220 V), based on the legendary 1959 SLP "Plexi" * TMiranda AT-1 attenuator/load box * Radial reamp box * Focusrite Scarlett 2i2 (4th Gen) audio interface ## Capture Settings The interface input gain was adjusted so that the recordings peaked at approximately **-8 dBFS**. The Presence, Bass, Middle, and Treble controls were all set to **12 o'clock (5)**. **Jumper:** High Treble Input 1 → Normal Input 2 **Guitar input:** High Treble Input 2 (more headroom, lower gain) ## Usage The captures were made using only the amp head and the **input.wav** sweep signal. A speaker IR is required for playback. Feel free to experiment with different IRs to find the sound you prefer. ## Preview For a quick preview, use the **HONKY GUITAR** profile with the **MESA 412 OS** IR.