Found this old thread:-
https://www.vintage-radio.net/forum/...ad.php?t=10262
Not much about this company however the book Audio! Audio! does give a couple of adresses:-
Electric Audio Reproducers Ltd.
17 Little St.Leonards,
Mortlake, London SW14.
From 1955, The Square, Isleworth,
Middlesex.
They made various amplifiers in the mid-fifties:-
E.A.R. 5-10 Mullard, 1954-55.
E.A.R. 6-10 and 6-10P , 1955-56.
E.A.R. 395 , 1955-56.
Regards, Mick.