ENGL e530 Preamp - Factory Tube vs JJ ECC83 S

A comparison between the Factory, ENGL ECC83 tubes and JJ ECC83 S tubes. In my opinion, the JJ 83S sounded wider and thick hence giving a punch in the sound. The factory Tubes sounded a little dull and weaker when compared to the JJ. This is the first video i’ve done. I simply made this video because I did not come across many who had showed the difference between the 2 tubes, especially for metal and chugging riffing. I hope you guys find this useful. I played the same licks before and after the Tube c