Overdrive (Tube boost / overdrive) · $349
The Maxon TBO-9 True Tube Booster / Overdrive is an analog tube boost / overdrive pedal based on the OD820-style dual-function Drive control plus 5703WB JAN Raytheon sub-miniature tube stage run at 30V via internal DC/DC converter, with Boost, Drive, Tone, Level controls, made in Japan. From $349.
| Category | Overdrive (Tube boost / overdrive) |
| Circuit / based on | OD820-style dual-function Drive control plus 5703WB JAN Raytheon sub-miniature tube stage run at 30V via internal DC/DC converter |
| Signal | Analog |
| Controls | Boost, Drive, Tone, Level |
| Footswitches | 1 |
| Bypass | true bypass (Fujisoku 4PDT) |
| True bypass | Yes |
| I/O | 1 x 1/4" input, 1 x 1/4" output |
| Power | 9V DC (AC adaptor only) |
| Power draw | 270 mA |
| Enclosure | Nine Series |
| Dimensions | 74 x 124 x 54 mm (W x D x H) |
| Weight | 560 g |
| Country of manufacture | Japan |