Extremely versatile guitar amplifier with hand-selected 12AX7 valve 2-channel tube preamp and wide-range gain control for super-fat sounds with all pickup types Dedicated 2-band EQ plus mid-shift button for creative sound shaping Dedicated master level control and powerful headphone output High-quality...

Extremely versatile guitar amplifier with hand-selected 12AX7 valve Authentic vintage amp design and classic guitar sound Powerful 30-Watt, 8″ vintage-tuned guitar speaker 2-channel tube preamp and wide-range gain control for super-fat sounds with all pickup types Dedicated 2-band EQ plus mid-shift...

I put them in a VOX AD30VT, a new tube and I have two types of tubes have here.