EQ / Preamp (Bass Preamp / DI) · $749.99
The Walrus Audio Mantle Analog Bass Preamp // D.I. is an analog bass Preamp / DI pedal based on the JFET buffer + custom transformer bass preamp/DI, with Gain (-6dB to +23dB), Bass, Treble controls, made in USA. From $749.99.
| Category | EQ / Preamp (Bass Preamp / DI) |
| Circuit / based on | JFET buffer + custom transformer bass preamp/DI |
| Signal | Analog |
| Controls | Gain (-6dB to +23dB), Bass, Treble |
| Switches | Active/Passive pad; Ground lift; LPF/HPF filter |
| Bypass | Active (always-on preamp/DI) |
| I/O | 1/4" in, 1/4" out, transformer-balanced XLR DI out |
| Power | 9VDC center-negative (500mA), internally boosted to +24V |
| Power draw | 500 mA |
| Dimensions | 6.09" x 4.7" x 2.28" (154.78 x 119.35 x 57.98 mm) |
| Signature artist | Ian Martin Allison |
| Country of manufacture | USA |