This simple circuit design is made by saturating a vacuum tube.
That fat and heavy drive sound pressure is the origin and the top quality in over drives.

• Equipped with Electro-Harmonix Co.（12AU7 EH)
• True bypass switching system.
• Master volume trim, Tone trim.

Size (mm)	About W60.5 x D112.0 x H77.5
Weight (g)	About 280
Power supply	Input voltage DC9V (2.1mm DC jack, center minus)
Electric consumption (mA)	About 180
Input-Output terminal	6.3mm monaural jack
Input impedance (Ω)	About 1M
Output impedance (Ω)	About 1k