6SN7/6SN7GT

Ken-Rad

KEN-RAD 6SN7GT Piastre Nere

Mullard

Mullard ECC33 Base Marrone Getter Inferiore []

Philips

1x Philips 6SN7GT Rettangolo Inferiore Getter – Olanda anni '60 – Test NOS

Brimar

1x Brimar CV1988 = 6SN7GT Vetro Nero Getter Inferiore Decline - British BVA '59 - NOS

Brimar

1x Brimar 6SN7 Piastre nere Getter rettangolare inferiore - Quasi NOS

Amperex

Amperex 6SN7GT Bottom D-Getter Black Plates - Brown Base

Tung-Sol

Tung-Sol 6SN7GT Black Glass Black Round Plates - USA