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Dual triode valves with eight pin octal base

B65 B36 ECC31 ECC32 CV181 ECC33 ECC34 ECC35 6SN7GT 6SL7GT etc

13D2 BRIMAR brown base Holy Grail two top micas welded plate large Square getter 6SN7GT B65 ECC32

Brimar 13D2 £ 600 pair; £ 1100 quartet

6SL7GT Brimar Oval plate Square getter ECC35 equiv. BVA UK made

Brimar 6SL7GT £ 120 pair; Quartet £ 200

6SN7GT + CV1988 Brimar Black Plate Square getter suspended top rods Holy Grail

Matched Quartet Brimar CV1988 KU/N £ 750;

3 pieces Brimar 6SN7GT CV1988 £ 600

6SN7GT Brimar BVA orange print Square Getter etched code on glass

Brimar 6SN7GT £ 300 pair; £ 580 quartet

6SN7GT Brimar FULLY coated double triode akin B65 white letters on glass amazing valves

Brimar coated 6SN7GT £400 pair; quartet £ 750

6SN7GT KEN-RAD KENRAD B65 6SN7GT JAN CKR VT231 coated glass clean top

Ken-Rad 6SN7GT VT231 £ 200 pair; £ 380 quartet

6SN7GT RCA B65 ECC32 Equivalent VT231 coated glass full getter code SC278A

RCA coated 6SN7GT £ 200 pair; Quartet £ 380

6SN7GT Special Brimar orange print black plate Square getter high vacuum valve tubes TOP!

Brimar Black Plate 6SN7GT £ 350 pair; £ 650 matched quartet

6SN7GT Stunning TUNGSOL oval plate CTL Holy Grail B65

Tungsol 6SN7Gt £ 350 pair; Quartet £ 650