EQ / Preamp (Tube Preamp) · $210
The Sushi Box FX Underground Accelerator is an analog tube Preamp pedal based on the Real-tube studio-style preamp; 3-band EQ with EQ-bypass mode (+30dB gain); tube type not stated on site, with Gain, 3-band EQ controls, made in USA. From $210.
| Category | EQ / Preamp (Tube Preamp) |
| Circuit / based on | Real-tube studio-style preamp; 3-band EQ with EQ-bypass mode (+30dB gain); tube type not stated on site |
| Signal | Analog |
| Controls | Gain, 3-band EQ |
| Switches | EQ bypass switch (+30dB gain); soft-touch relay bypass |
| Bypass | relay bypass (soft-touch) |
| Power | 9-12VDC |
| Power draw | 400 mA |
| Dimensions | 122 x 67 x 39.6 mm (4.8 x 2.64 x 1.58 in) |
| Country of manufacture | USA |
Closest matches from other makers, by spec and circuit.