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GEC KT88 /6550 Triple Getter Black Plate Valve/Vacuum Tube - AVO Tested Strong • £169.95
Gec Kt88 /6550, Triple Getter, Black Plate Valve/vacuum Tube - Avo Tested Strong

169.95£

Tung Sol 6550 X3 - Used Three Valve Tube Set - Low Output • £40
Tung Sol 6550 X3 - Used Three Valve Tube Set - Low Output

40£

Auction
Svetlana 6550c Valves Pair (tubes) • £55
Svetlana 6550c Valves Pair (tubes)

55£ 0 bids | 2d

JJ Matched Quad (x4) KT-88 / 6550 Valves/Vacuum Tubes - New Old Stock Boxed • £185
Jj Matched Quad (x4) Kt-88 / 6550 Valves/vacuum Tubes - New Old Stock Boxed

185£

Svetlana 6550 NOS Year Of Manufacture 1995/1994 • £90
Svetlana 6550 Nos Year Of Manufacture 1995/1994

90£

Ruby Tube New Boxed KT-88 / 6550 Valve/Vacuum Tube - Boxed Tested • £45
Ruby Tube New Boxed Kt-88 / 6550 Valve/vacuum Tube - Boxed Tested

45£

JJ Matched Quad (x4) KT-88 / 6550 Valves/Vacuum Tubes - AVO Tested Strong • £164.95
Jj Matched Quad (x4) Kt-88 / 6550 Valves/vacuum Tubes - Avo Tested Strong

164.95£

Matched Pair TungSol Leslie 6550 / KT88 US Made Valves/Vacuum Tubes - AVO Tested • £289.95
Matched Pair Tungsol Leslie 6550 / Kt88 Us Made Valves/vacuum Tubes - Avo Tested

289.95£

Auction
Tung-Sol 6550 Power Tube • £80
Tung-sol 6550 Power Tube

80£ 0 bids | 5d

Matched Quad LINLAI KT88-T Perfect T Grade Audio 6550 Vacuum Tube Amp Classic • £199.99
Matched Quad Linlai Kt88-t Perfect T Grade Audio 6550 Vacuum Tube Amp Classic

199.99£

2 X Svetlana SV6550c Valve Tubes Low Prices... • £95
2 X Svetlana Sv6550c Valve Tubes , Low Prices...

95£

GEC KT88 /6550 Triple Getter Black Plate Valve/Vacuum Tube - AVO Tested Strong • £119.95
Gec Kt88 /6550, Triple Getter, Black Plate Valve/vacuum Tube - Avo Tested Strong

119.95£

Auction
Pair Svetlana 6550 Winged C Labeled For RAM Vintage Electronic Output Tubes • £9.25
Pair Svetlana 6550 Winged C Labeled For Ram Vintage Electronic Output Tubes

9.25£ 3 bids | 5d

Svetlana Winged C 6550c Matched Pair Valves • £180
Svetlana Winged C 6550c Matched Pair Valves

180£

Brand New Matched Quad (4) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tubes • £296.16
Brand New Matched Quad (4) Genalex Gold Lion Reissue Kt88 / 6550 Vacuum Tubes

296.16£

New Current Matched Quad (4) Electro-Harmonix 6550 Ceramic Vacuum Tubes • £245.40
New Current Matched Quad (4) Electro-harmonix 6550 Ceramic Vacuum Tubes

245.40£

RCA Sylvania 6550 Output Tubes Pair 1976 • £96.51
Rca Sylvania 6550 Output Tubes Pair 1976

96.51£

Tung-sol Leslie 6550 • £40
Tung-sol Leslie 6550

40£

Auction
Great Vintage Vacuum Tube. Groove Tube GT-6550C Tube • £19.99
Great Vintage Vacuum Tube. Groove Tube Gt-6550c Tube

19.99£ 0 bids | 1d

Matched Pair Svetlana 6550C/KT88 'Winged C' Valves/Vacuum Tubes - AVO Tested • £169.95
Matched Pair Svetlana 6550c/kt88 'winged C' Valves/vacuum Tubes - Avo Tested

169.95£

Vintage Leslie TUNG-SOL 6550 Shouldered Valve Tube NOS (V3) • £200
Vintage Leslie Tung-sol 6550 Shouldered Valve Tube Nos (v3)

200£

Vintage TUNG-SOL JAN 6550 Shouldered Valve Tube Used Tested (V27) • £150
Vintage Tung-sol Jan 6550 Shouldered Valve Tube Used Tested (v27)

150£

Rare Matched Quad Svetlana Winged =C= 6550C 6550 Valves Tubes NOS • £500
Rare Matched Quad Svetlana Winged =c= 6550c 6550 Valves Tubes Nos

500£

6550 6550b-3 Svetlana Nos Valve/tube (pairs Or Quads Available) • £75
6550 6550b-3 Svetlana Nos Valve/tube (pairs Or Quads Available)

75£

Auction
RCA 6639 GE 6550 NOS New In GE Box Power Tube Electronic Radio No Reserve • £4.42
Rca 6639 Ge 6550 Nos New In Ge Box Power Tube Electronic Radio No Reserve

4.42£ 2 bids | 4d

Trio Matched Electro-Harmonix KT88 /6550 Valves/Vacuum Tubes - AVO Tested Strong • £134.95
Trio Matched Electro-harmonix Kt88 /6550 Valves/vacuum Tubes - Avo Tested Strong

134.95£

Auction
GE 6550A Tube Valve X 1 Grab A Bargain! • £99
Ge 6550a Tube, Valve X 1, Grab A Bargain!

99£ 0 bids | 3d

Svetlana SV6550c Valve Tube Low Price! • £65
Svetlana Sv6550c Valve Tube, Low Price!

65£

Matched Pair LINLAI KT88 6550 Perfect HIFI Audio Vacuum Tube Amp Classic Tested • £83.63
Matched Pair Linlai Kt88 6550 Perfect Hifi Audio Vacuum Tube Amp Classic Tested

83.63£

Matched Quad LINLAI KT88 6550 Perfect HIFI Audio Vacuum Tube Amp Classic Tested • £138.99
Matched Quad Linlai Kt88 6550 Perfect Hifi Audio Vacuum Tube Amp Classic Tested

138.99£

Brand New Factory Matched Quad (4) Tung-Sol Reissue KT120 / KT-120 Vacuum Tubes • £297.81
Brand New Factory Matched Quad (4) Tung-sol Reissue Kt120 / Kt-120 Vacuum Tubes

297.81£

Brand New Matched Octet (8) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tubes • £579.79
Brand New Matched Octet (8) Genalex Gold Lion Reissue Kt88 / 6550 Vacuum Tubes

579.79£

6550 6550wa X3 - Golden Dragon - VALVE TUBE - New Old Stock - B48 • £120
6550 6550wa X3 - Golden Dragon - Valve Tube - New Old Stock - B48

120£

2pcs Matched PSVANE KT88 HiFi Series Vacuum Tubes 6550 • £95.88
2pcs Matched Psvane Kt88 Hifi Series Vacuum Tubes 6550

95.88£

Kt 88 / 6550 Gec • £164.08
Kt 88 / 6550 Gec

164.08£

6550C GOLDEN DRAGON Amplifier POWER Tubes (SINGLE Valve Matched PAIR & QUAD) • £84.99
6550c Golden Dragon Amplifier Power Tubes (single Valve Matched Pair & Quad)

84.99£

Auction
2 NOS GE General Electric USA National Gold 6550A 6550 Vacuum Tubes Matched • £232.34
2 Nos Ge General Electric Usa National Gold 6550a 6550 Vacuum Tubes Matched

232.34£ 0 bids | 2d

Auction
Pair Philips 6550 Vintage Electronic Output Tubes Made In USA • £17.29
Pair Philips 6550 Vintage Electronic Output Tubes Made In Usa

17.29£ 3 bids | 5d

Matched Quad LINLAI KT88-D Perfect Titanium Screen D-Series Vacuum Tube Amp 6550 • £249.99
Matched Quad Linlai Kt88-d Perfect Titanium Screen D-series Vacuum Tube Amp 6550

249.99£

New Plate Current Matched Quad (4) Mullard Reissue KT88 / 6550 Vacuum Tubes • £240.76
New Plate Current Matched Quad (4) Mullard Reissue Kt88 / 6550 Vacuum Tubes

240.76£

6550WA Sovtek New Old Stock Valve Tube 1pc Feb22 • £60
6550wa Sovtek New Old Stock Valve Tube 1pc Feb22

60£

Tung-Sol 6550 Matched Pair Tubes NOS Testing Smooth Plate Triple Halo Getters • £386.05
Tung-sol 6550 Matched Pair Tubes Nos Testing Smooth Plate Triple Halo Getters

386.05£

2pcs Matched PSVANE KT88-T Mark II Classic Grade Vacuum Tubes 6550 • £138
2pcs Matched Psvane Kt88-t Mark Ii Classic Grade Vacuum Tubes 6550

138£

6550A Valves X 4 Electrically Matched Quad Made In China NOS Tested • £190
6550a Valves X 4 Electrically Matched Quad Made In China Nos Tested

190£

8Pin Octal Socket Saver EL34 KT88 6550 6SN7 6L6 6CA7 5U4G 5Z3 274B 6F8G Black • £10.37
8pin Octal Socket Saver El34 Kt88 6550 6sn7 6l6 6ca7 5u4g 5z3 274b 6f8g Black

10.37£

6 X 6550 Valve JJ Matched Sextet TESTED NEW • £330
6 X 6550 Valve Jj Matched Sextet Tested New

330£

SOVTEK Made In Russia 6550WA Valve Tube NOS Boxed (V54) • £50
Sovtek Made In Russia 6550wa Valve Tube Nos Boxed (v54)

50£

Platinum Matched Pair 6550A KT88 3 Mica 3 Getter Tested Strong (Like NOS) Tube • £95.02
Platinum Matched Pair 6550a Kt88 3 Mica 3 Getter Tested Strong (like Nos) Tube

95.02£

Strong TungSol 6550 Black Plate Vacuum Tube 1958 Date • £160.85
Strong Tungsol 6550 Black Plate Vacuum Tube 1958 Date

160.85£

6550 Power Tubes / 6550A GENERAL ELECTRIC MPD USA Matched Pair (2x Tubes) • £180
6550 Power Tubes / 6550a General Electric Mpd Usa Matched Pair (2x Tubes)

180£

1 Matched Pair PSVANE KT88-Z TREASURE Collector Edition Vacuum Tubes 6550 KT100 • £145.20
1 Matched Pair Psvane Kt88-z Treasure Collector Edition Vacuum Tubes 6550 Kt100

145.20£

Ge 6550a Mpd Output Tube (new) • £195
Ge 6550a Mpd Output Tube (new)

195£

Matched PM Guitar Tubes 6550 Power Valves Pairs Quads Available • £99.95
Matched Pm Guitar Tubes 6550 Power Valves Pairs Quads Available

99.95£

6550 Valve JJ Matched Pair TESTED NEW (2 X 6550) • £128.40
6550 Valve Jj Matched Pair Tested New (2 X 6550)

128.40£

Ge 6550 (kt88) Power Vacuum Tube Vintage Marginal Test E.10464.c • £38.56
Ge 6550 (kt88) Power Vacuum Tube Vintage Marginal Test E.10464.c

38.56£

6550B-2 Svetlana A New Old Stock Valve Tube 1pc Feb22 • £60
6550b-2 Svetlana A New Old Stock Valve Tube 1pc Feb22

60£

Matched Pair 6550C Svetlana Winged =C= 6550 Valves Tubes NOS • £201.07
Matched Pair 6550c Svetlana Winged =c= 6550 Valves Tubes Nos

201.07£

Spring Tube Retainer Suits KT88 & 6550 Tubes • £2.34
Spring Tube Retainer Suits Kt88 & 6550 Tubes

2.34£

KT 88 / 6550 GEC One Used Pair • £203.15
Kt 88 / 6550 Gec , One Used Pair

203.15£

Bugera 6550B Tetrode Tube Premium Hand-Selected Rectifier Guitar Amp Value Tube • £55.95
Bugera 6550b Tetrode Tube Premium Hand-selected Rectifier Guitar Amp Value Tube

55.95£

4 X 6550 Valve JJ Matched Quad TESTED NEW • £237.60
4 X 6550 Valve Jj Matched Quad Tested New

237.60£

NiB Pair Of TungSol 6550 Solid Plate Tubes • £771.14
Nib Pair Of Tungsol 6550 Solid Plate Tubes

771.14£

X2 Philips ECG 6550 KT88 NOS Testing Used Solid Getter By RCA (Matched Pair) • £337.80
X2 Philips Ecg 6550 Kt88 Nos Testing Used, Solid Getter By Rca (matched Pair)

337.80£

6550c Svetlana 'winged C' Nos Boxed Pair Valve Tube • £240
6550c Svetlana 'winged C' Nos Boxed Pair Valve Tube

240£

(2) Mint NOS NIB Soctek 6550WE = 6550 Guitar Audio Radio Tubes • £96.51
(2) Mint Nos Nib Soctek 6550we = 6550 Guitar Audio Radio Tubes

96.51£

6550WA Sovtek B New Old Stock Valve Tube 1pc Feb22 • £60
6550wa Sovtek B New Old Stock Valve Tube 1pc Feb22

60£

Sylvania 6550 Output Tube Strong • £57.91
Sylvania 6550 Output Tube Strong

57.91£

GE 6550 One Tube Used • £93.76
Ge 6550 , One Tube , Used

93.76£

Factory Platinum Matched Quad Svetlana 6550 6550C Tubes BRAND NEW In Box ! • £206.84
Factory Platinum Matched Quad Svetlana 6550 6550c Tubes, Brand New In Box !

206.84£

6550A Valves X 2 Electrically Matched Pair Made In China NOS Tested • £95
6550a Valves X 2 Electrically Matched Pair Made In China Nos Tested

95£

6550 Tung Sol USA One Pair • £195.33
6550 Tung Sol Usa , One Pair

195.33£

New In Box: ShuGuang 6550A-98 Electron Power Tubes • £36.19
New In Box: Shuguang 6550a-98 Electron Power Tubes

36.19£

2 NOS NIB Plate Current Matched GE 6550A Tubes USA • £296.78
2 Nos Nib Plate Current Matched Ge 6550a Tubes Usa

296.78£

2X - Svetlana 6550C Tubes -- Missing Guide Pins • £57.86
2x - Svetlana 6550c Tubes -- Missing Guide Pins

57.86£

6550A Valve Made In China NOS Tested • £45
6550a Valve Made In China Nos Tested

45£

Valve Tube Amp Cathode Bias Current Probe Socket For 6L6 6V6 EL34 KT88 5881 6550 • £20.39
Valve Tube Amp Cathode Bias Current Probe Socket For 6l6 6v6 El34 Kt88 5881 6550

20.39£

Auction
2 NOS GE General Electric USA National Gold 6550A 6550 Vacuum Tubes Matched #2 • £232.34
2 Nos Ge General Electric Usa National Gold 6550a 6550 Vacuum Tubes Matched #2

232.34£ 0 bids | 2d

2pcs Matched PSVANE KT88-Z TREASURE Collector Edition Vacuum Tubes 6550 KT100 • £145.20
2pcs Matched Psvane Kt88-z Treasure Collector Edition Vacuum Tubes 6550 Kt100

145.20£

Auction
2x Pair SED Winged C 6550 C Power Tubes 2000s 2pcs KT88 Original Svetlana Used • £39.41
2x Pair Sed Winged C 6550 C Power Tubes 2000s 2pcs Kt88 Original Svetlana Used

39.41£ 1 bids | 2d

Philips By RCA 6550A KT88 Welded Plates Military Tested Excellent Matched Quad • £520
Philips By Rca 6550a Kt88 Welded Plates Military Tested Excellent Matched Quad

520£

1997 International Servicemaster 6550 Russia Matched Pair Output Tubes • £72.39
1997 International Servicemaster 6550 Russia Matched Pair Output Tubes

72.39£

5PCS 8Pin Octal Bakelite Tube Base Socket Saver Adapter For EL34 EL34 6N8P • £4.82
5pcs 8pin Octal Bakelite Tube Base Socket Saver Adapter For El34 El34 6n8p

4.82£

2X - Svetlana OTK KT88 Tubes / KT1 • £91.69
2x - Svetlana Otk Kt88 Tubes / Kt1

91.69£

2 Vintage GE 6550A Tubes Test New Both 65 With Min 44 Calibrated TV7 Guaranteed • £270.23
2 Vintage Ge 6550a Tubes Test New Both 65 With Min 44 Calibrated Tv7 Guaranteed

270.23£

Svetlana 6550C Vacuum Tube Matched Pair In Excellent Working Condition • £184.98
Svetlana 6550c Vacuum Tube Matched Pair In Excellent Working Condition

184.98£

8-Pin Tube Amp Plate Bias Current Probe Tester Socket For 6L6 6V6 EL34 KT88 6550 • £20.39
8-pin Tube Amp Plate Bias Current Probe Tester Socket For 6l6 6v6 El34 Kt88 6550

20.39£

10%
Vintage GE 6550A Tube Nos Tested • £126.67
Vintage Ge 6550a Tube Nos Tested

126.67£ 140.75£

8pins Bakelite Tube Socket Valve Base Triode Rectifier ForKT88 EL34 6550 6*oa • £2.83
8pins Bakelite Tube Socket Valve Base Triode Rectifier Forkt88 El34 6550 6*oa

2.83£

2pcs Matched PSVANE KT88-T Mark II Premium Grade Vacuum Tubes 6550 • £189
2pcs Matched Psvane Kt88-t Mark Ii Premium Grade Vacuum Tubes 6550

189£

New Svetlana 6550 / 6550C Vacuum Tube • £71
New Svetlana 6550 / 6550c Vacuum Tube

71£

GE - General Electric 6550A Tube -- Missing Guide Pin • £57.86
Ge - General Electric 6550a Tube -- Missing Guide Pin

57.86£

Tung-sol 6550 Electron Tube • £111.94
Tung-sol 6550 Electron Tube

111.94£

2x National Electronics 6550A/KT88 Power Tubes B&K Tested Strong Made In China • £154.42
2x National Electronics 6550a/kt88 Power Tubes, B&k Tested Strong, Made In China

154.42£

Auction
6 NOS GE General Electric USA National Gold 6550A 6550 Vacuum Tubes Matched • £714.91
6 Nos Ge General Electric Usa National Gold 6550a 6550 Vacuum Tubes Matched

714.91£ 0 bids | 2d

8Pin Octal Socket Saver EL34 KT88 6550 6SN7 6L6 6CA7 5U4G 5Z3 274B 6F8G Golden • £14.15
8pin Octal Socket Saver El34 Kt88 6550 6sn7 6l6 6ca7 5u4g 5z3 274b 6f8g Golden

14.15£

8 Pin Octal Fixed Chassis Mount Split Hole Ceramic SKT. For KT88 6550 Etc. • £5
8 Pin Octal Fixed Chassis Mount Split Hole Ceramic Skt. For Kt88, 6550, Etc.

5£

10%
Vintage RCA 6550 Tube Nos Tested • £126.67
Vintage Rca 6550 Tube Nos Tested

126.67£ 140.75£

2pc Tube Amp Bias Probe For El34 6v6 6l6 Kt88 6550 5881 7024 MV Test Mode • £32.80
2pc Tube Amp Bias Probe For El34 6v6 6l6 Kt88 6550 5881 7024 "mv" Test Mode

32.80£

Brand New Matched Pair (2) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tubes • £148.72
Brand New Matched Pair (2) Genalex Gold Lion Reissue Kt88 / 6550 Vacuum Tubes

148.72£

Brand New Plate Current Matched Pair (2) Mullard Reissue KT88 6550 Vacuum Tubes • £145.27
Brand New Plate Current Matched Pair (2) Mullard Reissue Kt88 6550 Vacuum Tubes

145.27£

    • Brand
    • Not specified125
    • GE31
    • Svetlana27
    • Psvane19
    • Genalex18
    • Electro-Harmonix18
    • Tungsol11
    • JJ Electronic11
    • SYLVANIA10
    • Mullard9
    • RCA9
    • McIntosh5
    • TELEFUNKEN2
    • National1
    • Philips1
    • Dynaco1
    • Type
    • Vacuum Tube170
    • Tube Socket118
    • Power Tubes68
    • NOS Tube49
    • Not specified49
    • Preamp Tubes1
    • Rectifier Tubes1