EQ / Preamp (Bass preamp / DI)
The Joyo R-30 Tidal Wave is an analog bass preamp / DI pedal based on the SansAmp Bass Driver DI-style, with Level, Blend, Presence, Drive, Treble, Middle, Bass controls, made in China.
| Category | EQ / Preamp (Bass preamp / DI) |
| Circuit / based on | SansAmp Bass Driver DI-style |
| Signal | Analog |
| Controls | Level, Blend, Presence, Drive, Treble, Middle, Bass |
| Switches | Ground lift, Mid shift (500Hz/1kHz), Bass shift (40Hz/80Hz) |
| Footswitches | 1 |
| I/O | 1/4in in, 1/4in out, XLR DI out (with cab sim) |
| Power | 9V DC (center negative) |
| Power draw | 100 mA |
| Dimensions | 130x110x50mm |
| Weight | 442g |
| Country of manufacture | China |