Plessey speakers

Univox, G1/10, AC2, and AC4.

Speakers

Early Celestion and Goodmans

The Celestion CT3757

1960 and 1961

Celestion Blue (T530)

Early 1961 to 1964 (end)

RIC Cones

Celestions

Pulsonic Cones

Celestions

Celestion Silvers (T1088)

Mid 1964 through to 1968

Later Celestion Silvers (T1088)

1968 to 1975 (forthcoming)

Goodmans Alcomax

Vox T60 and AC15

Elac speakers

Vox AC10 and AC30 Lightweight.