My first bass was a Top Twenty, bought from Kay Westworths in Cherry Street, Birmingham. My first amp was a Dallas 30w valve "combo" - combo in the sense that the amp lived upside down in the top of the speaker cabinet, and to play you unscrewed two bolts, turned the amp right side up, seated it back in place and screwed it down. If I recall correctly it had an 18" speaker. Happy days.....
Later I acquired a Selmer TB50, which got nicked. It was a cracking little amp, and I'd love to find another one now!
Graham