SBVT will be temporarily unavailable for order as I work on a redesign for the circuit. I apologize for the inconvenience.
SBVT (Sushi Box Valve Technology) is my take on the Ampeg SVT preamp. It uses a pair of 12AX7 tubes to give everything from rich cleans to gritty distortion. The 8-way mids frequency selector switch adds extra flexibility, allowing the EQ to be tailored to exactly the tone you need.
The SBVT is a little on the bright side making it a great fit for guitar, and the ultra-lo switch warms the tone up beautifully, making it a perfect tone for bass. The ultra-hi switch also adds an extra option for when you need to cut through the mix a little better.
Old Mid Frequencies:
New Mid Frequencies as of August 2021 batch:
| Controls | Bass, Gain, Master, Mid Frequency Selector, Mids, Treble, Ultra-Hi, Ultra-Low |
|---|---|
| Footswitch Behavior | Bypass |
| Tubes | 2x 12AX7 |
| Milliamp Draw | 900mA @ 9vdc Warmup, 480mA @ 9vdc After Warmup |
| Polarity | Center-negative, like most guitar pedals |
| Voltage | 9-12vdc |
