Pro One Bias Probe for Octal Base Power Tubes.

Description

🔧 Tune Your Sound, Elevate Your Game!

The Pro One Bias Probe is a cutting-edge tool designed for audiophiles and professionals alike, allowing for simultaneous readings of plate current and voltage without the need for batteries. Its compatibility with various octal base power tubes and innovative 'Test & Play' technology makes it an essential addition to any audio setup.