Overdrive (Mid-boost Tube Screamer variant) · $199
The Maxon ST9Pro+ Super Tube is an analog mid-boost Tube Screamer variant pedal based on the OD-9/OD808 clipping stage with dedicated midrange-enhance band and switchable internal 9V/18V rails, with Mid Enhance, Drive, Tone, Level controls, made in Japan. From $199.
| Category | Overdrive (Mid-boost Tube Screamer variant) |
| Circuit / based on | OD-9/OD808 clipping stage with dedicated midrange-enhance band and switchable internal 9V/18V rails |
| Signal | Analog |
| Controls | Mid Enhance, Drive, Tone, Level |
| Switches | 9V/18V voltage switch, Mode (Classic / Low Boost) |
| Footswitches | 1 |
| Bypass | true bypass (mechanical) |
| True bypass | Yes |
| I/O | 1 x 1/4" input, 1 x 1/4" output |
| Power | 9V DC |
| Power draw | 12 mA |
| Battery power | Yes |
| Enclosure | Nine Series |
| Dimensions | 74 x 124 x 54 mm (W x D x H) |
| Weight | 610 g (incl. battery) |
| Country of manufacture | Japan |