I61

12AX7A, ECC83, 7025

Ei

Branded Philips Ecg

GT7025, 7025, 12AX7, ECC83

Ei

Branded Gt

7025, 12AX7A, ECC83

Matsushita

Branded Cge

ECC82, I61

Mullard

Branded Valvo

ECC83, B339, I61

Mullard

Branded Marconi

7025, I61

Mullard

Branded Emerson

12AX7A, I61

Mullard

Branded Voice Of Music

ECC83, 12AX7, I61

Mullard

Branded Daystrom

7025

Philips

Branded Rogers

7025, 12AX7A

Philips

Branded RCA

7025

RCA

Branded Wurlitzer

7025, 12AX7A

RCA

Branded Magnavox

7025, 12AX7

RCA

Branded Magnavox

7025, 12AX7

RCA

Branded Sonotone

7025

Tung-Sol

Branded Stromberg Carlson

7025

Branded Magnavox

12AX7A, 7025

Branded Bell & Howell

ECC83, B339, I61

Branded Marconi

12AX7WA, 7025

Branded Sovtek

12AX7, 7025

Branded Mullard

7025

Branded Daltron

7025

Branded Amperex

12AX7A, 7025

Branded Magnavox

7025, ECC83

Branded Westinghouse