Yorkville LT-70V Coliseum Amps Series Rackmount 70V Line TransformerYorkville LT 70V Coliseum Amps Series Rackmount 70V Line Transformer The LT 70V is a rack mountable transformer unit for use in situations where multiple transformer equipped speakers need to be powered from one amplifier. The LT 70V's toroidial transformer has over 300 watts of capacity without the added weight of an iron core transformer. Key Features Handles up to 300 watts output Torroid transformer design for reduced weight