TAD Transformer 230/115V 500VA, Series Transformer, With housing, Power: 500VA. 230 / 115V, Black sheet steel housing, Power switch, Function LED and fuse, 2 US mains sockets, eg for Fender Twin Reverb; Marshall 100 W; Mesa Boogie MK I-IV 100 W; Dual-Triple Rectifier, DC10, 2:90; Ampeg V5, V7, VT22 etc.