The Fender Deluxe Reverb one of the greatest guitar combo amps ever created - and the beating heart is an iconic set of vacuum tubes: 6V6, 12AX7, 12AT7 and 5AR4. Illustrated and designed by Serifs & Whiskey studio. 
These posters are nice and big, measuring 13" x 19". Printed on high-quality 100lb Cougar cover stock that gives it a nice hefty feel. Easily drops into a standard frame.