I61

ECC82, I61

Mullard

Branded Valvo

ECC83, B339, F91

Mullard

Branded Marconi

ECC83, B339, I61

Mullard

Branded Marconi

7025, I61

Mullard

Branded Emerson

12AX7A, I61

Mullard

Branded Voice Of Music

ECC83, 12AX7, I61

Mullard

Branded Daystrom

ECC83, B339, F92

Mullard

Branded Marconi

ECC83, B339, I63

Philips

Branded Marconi

B339

Branded Haltron

ECC83, B339, I61

Branded Marconi

ECC83, B339

Branded Marconi

B339, 12AX7

Branded Osram

12AX7, ECC83, B339, I63

Branded Marconi

B339, 12AX7

Branded Marconi

ECC83, B339

Branded Marconi

ECC83, 12AX7, I61

Branded Amperex

ECC83, 12AX7, I61

Branded Mullard