12AU7

12AU7, ECC82

Philips

Branded Pope

12AU7

RFT

Branded Trigon

ECC82

RFT

Branded Togram

ECC82

RFT

Branded Karo

ECC82

RFT

Branded Standard Brand

12AU7, ECC82

Siemens

Branded ATES

12AU7, K61

Siemens

Branded Telefunken

12AU7, GF1

Siemens

Branded Artisan

ECC82, 12AU7

Siemens

Branded Sonotone

ECC82, 12AU7

Siemens

Branded Harman Kardon

ECC82, 12AU7

Siemens

Branded Sonotone

ECC82

Tungsram

Branded Edicron

ECC82

Tungsram

Branded Orion

ECC82

Branded Brimar

ECC82, F3

Branded Mullard

ECC82, 12AU7, K61

Branded Mullard

12AU7

Branded Lansdale

ECC82, 12AU7

Branded Pinnacle

ECC82

Branded Tungsram

12AU7

Branded Mazda

ECC82

Branded ATES

ECC82

Branded PhilipsMiniwatt

12AU7

Branded Tungsram

12AU7

Branded Awv