Citation : Dis moi, y'a moyen, de virer deux loupiotes sur le PB sans tout casser ?
Ouais, mais ça annule la garantie...
Actually ENGL does not really recomend the removing of Tubes but it would be possible: You can remove the two outside pairs or the inner pair. Please note, that the impedance will change as well: 16 Ohms become 8 etc.....
[...] Engl does not recommend it, it would be invalid guarantee......