ECC8312AX7I63

Branded Mullard

EL37

Branded Mullard

ECC83, 12AX7, I63

Branded Mullard

ECC34, 52K

Branded Mullard

6SN7GT, R92

Branded Mullard

ECC82, 12AU7, K61

Branded Mullard

12AX7A

Branded Mullard

CV1988, 6SN7GTY

Branded Mullard

GZ32, R71

Branded Mullard

CV181

Branded Mullard

ECC83, 12AX7A

Telefunken

Branded Lafayette

12AX7A, ECC83, 7025

Ei

Branded Philips Ecg

ECC83, 12AX7, MC0

Siemens

Branded Tungsram

ECC83

Brimar

Branded Arkay

ECC83, 12AX7, I63

Branded Mullard

ECC83, MC6

Branded Siemens

ECC83

Branded Telefunken

ECC83, MCA

Valvo

Branded Tekade

ECC83, MC1

Valvo

Branded PhilipsMiniwatt

12AX7, I63

Mullard

Branded Hammond

12AU7A, I63

Philips

Branded Rogers

PHILIPS, ECC83, I63

Mullard

12AX7A, ECC83, I63

Mullard

Branded RCA

12AX7, ECC83, B339, I63

Branded Marconi

ECC83, B339, I63

Philips

Branded Marconi

12AX7, I63

Branded Ge

ECC83, I63

Branded Siemens

ECC83, 12AX7, I63

Mullard

Branded Telefunken