ITs a TANK-- (and the Moniker of being LIGHT is BULLSPIT) thing weights in at 46lbs !!! its NOT that much larger than my 20 watt Valvestate marshall that weights...er 20--maybe--
To Summerize: NEW matching set of tubes (yes assuming the seller tested them but they seem a reputable company) is better than mismatched road worn old tubes
Judging from the tones coming out the front and the reduced heat coming out the back-- -I think the AMP likes them
and now I am hoping for a rainy "do nothing" weekend.........because I wanna wear them new tubes OUT SON!