Utility (Tube Buffer / Impedance Matcher / Pickup Driver)
The Sarno Music Solutions Steel Guitar Black Box is an analog tube Buffer / Impedance Matcher / Pickup Driver pedal based on the 12AX7 vacuum-tube buffer, with Variable input impedance controls, made in USA.
| Category | Utility (Tube Buffer / Impedance Matcher / Pickup Driver) |
| Circuit / based on | 12AX7 vacuum-tube buffer |
| Signal | Analog |
| Controls | Variable input impedance |
| Bypass | buffered |
| I/O | 1/4in input, 1/4in output, dedicated tuner out |
| Power | IEC AC mains (internal 300V B+ supply) |
| Enclosure | approx 8in x 5in x 2in tabletop/floor box |
| Dimensions | approx 8in x 5in x 2in |
| Weight | 5 lbs |
| Country of manufacture | USA |