Desmond Briscoe on the Albis graphic equaliser in 1960. The Workshop didn't purchase an optional unit that covered the lower frequencies of 31.5, 38, 45.5, 54.5, 65 and 78.5 Hz, as well as the higher frequencies of 7500, 9000, 10800, 12960 and 15550 Hz. As Brian Hodgson said in an interview with'The Wire', 'They basically had, in 1958, £2000, of which they spent £600 on a third octave filter - half of one, in fact, they couldn't afford the whole thing'.