12AX7

12AX7, ECC83

Amperex

Branded B&K

ECC83, 12AX7, MC5

Amperex

Branded Voice Of Music

12AX7, ECC83

Amperex

Branded Voice Of Music

12AX7

Amperex

Branded Leeds & Northrup

12AX7, ECC83, I65

Bel

Branded Trigon

ECC83, 12AX7

Brimar

Branded CEI

12AX7

Brimar

Branded Itt

12AX7

Cifte

Branded MazdaCifte

ECC83, 12AX7

Ei

Branded Philips

GT7025, 7025, 12AX7, ECC83

Ei

Branded Gt

12AX7, ECC83

Ei

Branded United National

12AX7

General Electric

Branded Kinsman

12AX7, ECC83

Marconi Italiana

Branded Geloso

ECC83, 12AX7

Marconi Italiana

Branded RCA

12AX7

Matsushita

Branded National

12AX7

Matsushita

Branded National

12AX7

Mullard

Branded B&L

12AX7, ECC83

Mullard

Branded RCA

12AX7, ECC83

Mullard

Branded Voice Of Music

ECC83, 12AX7

Mullard

Branded Bell & Howell

12AX7, ECC83

Mullard

Branded El Menco

12AX7, I63

Mullard

Branded Hammond

ECC83, 12AX7

Mullard

Branded The FisherMullard10MMaster Series

PHILIPS, ECC83, I63

Mullard