What gives the Vox amplifier its unique and distinctive sound are the tubes found inside: 4 EL84s, 3 12AX7s and a 5AR4 rectifier. It's these that give it Vox pop.
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.