210HF 210LF 230SP by Six-Sixty Valve Company (Mullard related)

210HF Six-Sixty GBP 80 pair

210LF Six-Sixty GBP 40

230SP Six-Sixty GBP 50


The Six-Sixty Electron Company Limited was registered in May 1923 and was established in Acton Lane, three years later SS signed a deal with Mullard to sell valves with the SS brand. It was in 1928 that Mullard bought all shares re-branding the business Six-Sixty Radio Co. Ltd until its end.

The valves we show here are  pair of 210LF; 210HF and 230S.


There are no reviews yet.

Be the first to review “210HF 210LF 230SP by Six-Sixty Valve Company (Mullard related)”

Your email address will not be published. Required fields are marked *