6SN7GT

6SN7GT

Brimar

Branded PinnacleBrimar

B65

M-O Valve Co. Ltd

Branded G.E.C.

6SN7GT, R93

Mazda

Branded PhilipsMiniwatt

6SN7GT, R93

Philips

Branded Pope

6SN7GT

Philips

Branded Mullard

6SN7GT

Philips

Branded Miniwatt

6SN7GT, VT-231

RCA

Branded Crc

6SN7GT

Sovtek

Branded Teonex

6SN7GT

Tung-Sol

Branded Motorola

VT-231, 6SN7GT

Western Electric

Branded Raytheon

6SN7GT

Branded Cossor

6SN7GT, VT-231

Branded Ge

6SN7GT

Branded CbsHytron

6SN7GT, R92

Branded Mullard

B65

Branded MWT

B65, 6SN6

Branded MWT

6SN7GT

Branded Brimar

6SN7GT

Branded Sylvania

6SN7GT, VT-231

Branded Tung-Sol

6SN7GT

Branded Tungsram

6SN7GT, B65

Branded Pinnacle

6SN7GT

Branded Tung-Sol

6SN7GT

Branded Philips Miniwatt

6SN7GT

Branded Brimar