EQ / Preamp (Tube Bass Preamp) · $750
The Arkham Sound Oracle is an analog tube Bass Preamp pedal based on the 12AX7 tube preamp with James tonestack, with Gain, Master Volume, Treble, Bass, Range (tonestack midpoint sweep 150Hz-1kHz) controls, made in USA. From $750.
| Category | EQ / Preamp (Tube Bass Preamp) |
| Circuit / based on | 12AX7 tube preamp with James tonestack |
| Signal | Analog |
| Controls | Gain, Master Volume, Treble, Bass, Range (tonestack midpoint sweep 150Hz-1kHz) |
| Switches | Hi (bright cap), Mid (+250Hz bump), Lo (+80Hz bump), HPF (30Hz to 90/100Hz) |
| I/O | 1/4in input, buffered 1/4in output, XLR DI output (dual lo-z outputs) |
| Power | 9VDC center-negative (boosted internally to ~300V) |
| Power draw | 1500 mA |
| Enclosure | pedal-sized aluminum chassis |
| Dimensions | 4.75in x 4.75in x 2.32in |
| Weight | 1 lb 8 oz |
| Country of manufacture | USA |