Pre-mixer Mk IV
| Manufacturer | WEM Watkins Electric Music |
| Function | Mixing Desk |
| Produced | 1975 |
| Country | UK |
| Form Factor | Desktop / 19" Rackmount Convertible |
| Signal Path | Analog Hardware |
| Links | WEM Site · WEM Brochure |
| Notes | Single high impedance input on each channel with controls for volume, tone and reverb. There is a single mono output plus a stereo in/out socket for external effects. There are also master volume and reverb level controls. The mixer runs off 240 volt using its built in power supply. |