12AX7ECC83

Branded Fivre

12AX7, ECC83

Philips

Branded Hammond

12AX7

Sylvania

Branded Rad Tel

ECC83, 12AX7, I63

Branded Mullard

12AX7

Branded General Electric

12AX7

Branded NU

ECC83, 12AX7A

Telefunken

Branded Lafayette

12AX7A, ECC83, 7025

Ei

Branded Philips Ecg

ECC83, 12AX7, I63

Branded Mullard

ECC83, MC6

Branded Siemens

ECC83

Branded Telefunken

ECC83, MCA

Valvo

Branded Tekade

ECC83, MC1

Valvo

Branded PhilipsMiniwatt