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412 results

Pair of GEC KT-66 Glass Brown Base Valves Vacuum Tubes Never used NOS
£197.28
(£98.64/Unit)
£3.70 P&P
Click & Collect
KT66 Vintage Valve Tube GEC Tested working in Quad II
£31.92
£2.94 P&P
1 bid
1h 49m
Pair GEC KT66 CV1075 Grey Glass Valves Tubes Used Tested 'MD 10' (V55) #1
£300.00
£5.00 P&P
Click & Collect
Matched Pair GEC KT66 CV1075 Grey Glass Valves Used Tested 'MD 10' (V55) #2
£300.00
£5.00 P&P
Click & Collect
KT66 ORIGINAL MARSHALL SPARES SHUGUANG MATCHED QUAD VALVE TUBE
(8)
£120.00
£7.50 P&P
Click & Collect
Pair OSRAM KT66 CV1075 Grey Glass Valves Used Tested 'LG 10' (V55)
£300.00
£5.00 P&P
Click & Collect
KT66 LVE VINTAGE RETRO STYLE SELECTED MATCHED PAIR VALVE TUBE
£75.00
£5.00 P&P
Click & Collect
National Electronics KT66 Valve / Tube - Tested Good
£29.00
£3.95 P&P
Click & Collect
2x GEC KT66 Valves Original Boxed
£149.99
(£75.00/Unit)
Free postage
KT66 ORIGINAL MARSHALL SPARES SHUGUANG VALVE TUBE
£30.00
£5.00 P&P
Click & Collect
KT66 LVE VINTAGE RETRO STYLE SELECTED MATCHED QUAD VALVE TUBE
£150.00
£7.50 P&P
Click & Collect
Rare GEC Osram KT66 VT75 Fat Grey Glass Valve Tube NOS (V8) #1
£400.00
£5.00 P&P
Click & Collect
GEC Marconi KT66 CV1075 Grey Glass C USED Valve Tube AMPLITREX Test GM% 96
£50.00
£6.00 P&P
Click & Collect
10 watching
Sovtek 1622 KT66 Beam Tetrode Power Valve Tube Tests Good Made in Russia
£40.00
or Best Offer
£3.45 P&P
Click & Collect
KT66 VT75 VALVE TUBE BRITISH MILITARY
£87.68
Was: £103.15was - £103.15
Free postage
Click & Collect
Vintage GEC KT66 CV1075 Grey Glass Valve Tube Used Tested 'MD 10' (V50)
£125.00
£5.00 P&P
Click & Collect
KT66 VT75 VINTAGE OSRAM NOS VALVE TUBE (LB9)
(1)
£350.00
£12.00 P&P
Click & Collect
2x RARE Marconi KT66 Valves Tubes HK 52 Black-Base Eq EL37 CV1075 VT75 6L6G PP60
£363.72
£5.00 P&P
Click & Collect
KT66 GOLD LION GENALEX RE-ISSUE MATCHED PAIR NEW BOXED VALVE TUBE
£120.00
£12.00 P&P
Click & Collect
14 watching
Matched Quad 4x Vintage 1960s GEC KT66 Marconi Brown Base Valves Tubes *Tested*
£372.99
(£93.25/Unit)
Free postage
Click & Collect
GEC KT66 CV1075 Grey Glass A USED Valve Tube AMPLITREX Test GM% 98
£100.00
£6.00 P&P
Click & Collect
KT66 GEC TWIN HALO GETTER NOS VALVE TUBE (LC16)
(3)
£150.00
£12.00 P&P
Click & Collect
Matched Pair KT66 New Valve Tubes Gold Class Made By Shuguang China
£80.00
£5.75 P&P
Click & Collect
41 watching
2x RARE MOV VT75 Valves Tubes ZA15444 Eq EL37 CV1075 KT66 6L6G PP60
£669.72
£5.00 P&P
Click & Collect
Osram GEC KT66 C Smoked Glass AMPLITREX GM% 112 NOS Valve Tube Sep19B
£150.00
£6.00 P&P
Click & Collect
0 bids
2d 20h
Rare GEC Osram KT66 VT75 Fat Grey Glass Valve Tube Used Tested (V8) #3
£300.00
£5.00 P&P
Click & Collect
Rare 2 X Mullard EL35 / KT66 Valves-Very Strong Tested- Same Date Codes-Matched
£350.00
£6.00 P&P
Rare GEC Osram KT66 VT75 Fat Grey Glass Valve Tube Used Tested (V8) #4
£300.00
£5.00 P&P
Click & Collect
GEC KT66 Twin Halo Getters at Base F Valve Tube New Old Stock
£160.00
£6.00 P&P
Click & Collect
VALVE TUBE BOXES SIZE 3 X10PCS (5U4G,6L6,KT66 ETC)
£6.00
£4.00 P&P
Click & Collect
310 sold
Rare Marconi GEC KT-66 Grey glass brown base Valve/Vacuum Tube-AVO Tested strong
£151.47
(£151.47/Unit)
£3.79 P&P
Click & Collect
GEC KB/Z CV1075 KT66 Valve Tube Used Tested Strong Single Cup Getter (V33)
£120.00
£5.00 P&P
Click & Collect
KT66 CV1075 COSSOR MOV COKE BOTTLE MATCHED PAIR NOS VALVE TUBE (LB26)
£600.00
£15.00 P&P
Click & Collect
Rare GEC Osram KT66 VT75 Fat Grey Glass Valve Tube Used Tested (V8) #2
£300.00
£5.00 P&P
Click & Collect
VALVE TUBE BOXES SIZE 4 X10PCS (5U4G,6L6,KT66 ETC)
£7.50
£4.00 P&P
Click & Collect
687 sold
Strong Pair MWT GEC KT66 Clear Glass Valves Single Cup Getters Used (V60)
£275.00
£5.00 P&P
Click & Collect
KT66 MARCONI NOS BOXED VALVE TUBE (LB25)
£150.00
£12.00 P&P
Click & Collect
NOS Octal 8 pin Valve Tube Base British Made McMurdo Paxolin KT88 KT66 EL34
£21.52
or Best Offer
£5.60 P&P
Click & Collect
TAD KT66 Matched Quad
£104.72
£3.75 P&P
Click & Collect
Matched Pair GEC KT66 with Clear Glass Brown Base Single Cup Getter Tested Good
£275.00
£5.50 P&P
Click & Collect
11 watching
Marconi by GEC KT66 CV1075 Valve Tube Used Tested (V13)
£120.00
£5.00 P&P
Click & Collect
Osram GEC KT66 G Smoked Glass AMPLITREX GM% 104 NOS Valve Tube Sep19B
£150.00
£6.00 P&P
Click & Collect
0 bids
2d 20h
Tung-Sol KT66, matched pair, in original boxes
£78.00
£3.39 P&P
Click & Collect
GEC KT66 Twin Halo Getters at Base Pair E Valve Tube New Old Stock
£340.00
£14.00 P&P
Click & Collect
KT66 Valves - JJ Matched Quad NEW TESTED (4 X KT66)
£267.00
£6.00 P&P
Click & Collect
5 watching
Mullard CV181 KB/DA ECC32 6SN7 Valve x2 Leak Quad Valve Tube Amplifier U52 KT66
£299.20
£20.00 P&P
10 watching
Matched Pair KT66 Clear Glass Brown Base NOS GEC UK Valve Tubes (AAV5)
£450.00
£5.75 P&P
Click & Collect
KT66 GOLD LION GENALEX RE-ISSUE MATCHED PAIR NEW BOXED VALVE TUBE
£124.48
or Best Offer
£3.00 P&P
Click & Collect
GEC VT75 KT66 1 x Pan Getter at Base Black Anode F NOS Valve Tube OCT19F
£300.00
£14.00 P&P
Click & Collect
0 bids
2d 20h
GEC KT66 CV1075 Grey Glass Valve Tube NOS (V20)
(3)
£250.00
£5.00 P&P
Click & Collect
GEC Marconi KT66 CV1075 Grey Glass D USED Valve Tube AMPLITREX Test GM% 106
£100.00
£6.00 P&P
Click & Collect
KT66 GEC Valve Used (6B5)
£70.00
or Best Offer
£5.00 P&P
Vintage matched pair GEC KT-66 Valves/Vacuum Tubes - AVO Tested Very Strong
£291.87
(£145.94/Unit)
£3.99 P&P
Click & Collect
GEC VT75 KT66 1 x Pan Getter at Base Black Anode E NOS Valve Tube OCT19F
£300.00
£14.00 P&P
Click & Collect
0 bids
2d 20h
OSRAM KT66 Grey Glass Valve Tube 'HE 6' Used Boxed (V46)
(1)
£125.00
£5.00 P&P
Click & Collect
15 watching
Marconi KT66 Amplifier Valve/Tube with square Getter FREEPOST
£82.88
Free postage
Click & Collect
Osram GEC KT66 E Smoked Glass AMPLITREX GM% 103 NOS Valve Tube Sep19B
£150.00
£6.00 P&P
Click & Collect
0 bids
2d 20h
2x NOS Mullard EL37 Valves Tubes Eq KT66 CV1075 VT75 6L6G PP60
£260.72
£5.00 P&P
Click & Collect
GEC VT-75 KT66 10e/11533 Grey Glass Fat Valve Tube Tests Good Made in England
£262.50
Was: £350.00was - £350.00
or Best Offer
£3.39 P&P
Click & Collect
10 watching
NOS Platinum Match Pair KT66 ValveArt Welded Plates Dual Ring Getters Brown Base
£264.23
or Best Offer
£22.07 P&P

Best Selling

See all

6V6GT Marshall Branded Matched Electrically Pairs Weekend
(19)
£15.00 New
£14.23 Used
Mullard Valve Tube (GZ32)
£70.00 New
£37.11 Used
MARSHALL KT66 Gold-Label Valve Tube - Pack of 4
(8)
£60.00 New
1 X E88CC 6922 Tesla NOS Tube Valve Military Tubes Code 37 Tested Ky10 1983
(3)
£17.50 New
Pair of GE USA 12AT7WC 6201 Dated 1986 NOS Valve/tubes
(6)
£15.00 New
Matched Pair Brimar 6L6GA 6l6g Black Glass Valves Tubes NOS Boxed (v26)
(2)
£22.50 New
M8136 Cv4003 Kqddk Mullard Logo NOS Pair Valve Tube
(5)
£120.00 New
£72.50 Used
RCA 5751 Black Plate NOS Tube
(2)
£72.50 New
£25.00 Used

Top-rated

See all

6V6GT Marshall Branded Matched Electrically Pairs Weekend
(19)

100% agree - Would recommend
£15.00 New
£14.23 Used
MARSHALL KT66 Gold-Label Valve Tube - Pack of 4
(8)

100% agree - Would recommend
£60.00 New
Tungsol 12AX7 Preamp Tubes - Clear
(10)

100% agree - Would recommend
£35.00 New
£25.00 Used

Kt66 Valve

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412 results

Pair of GEC KT-66 Glass Brown Base Valves Vacuum Tubes Never used NOS

KT66 Vintage Valve Tube GEC Tested working in Quad II

Pair GEC KT66 CV1075 Grey Glass Valves Tubes Used Tested 'MD 10' (V55) #1

Matched Pair GEC KT66 CV1075 Grey Glass Valves Used Tested 'MD 10' (V55) #2

KT66 ORIGINAL MARSHALL SPARES SHUGUANG MATCHED QUAD VALVE TUBE

Pair OSRAM KT66 CV1075 Grey Glass Valves Used Tested 'LG 10' (V55)

KT66 LVE VINTAGE RETRO STYLE SELECTED MATCHED PAIR VALVE TUBE

National Electronics KT66 Valve / Tube - Tested Good

2x GEC KT66 Valves Original Boxed

KT66 ORIGINAL MARSHALL SPARES SHUGUANG VALVE TUBE

KT66 LVE VINTAGE RETRO STYLE SELECTED MATCHED QUAD VALVE TUBE

Rare GEC Osram KT66 VT75 Fat Grey Glass Valve Tube NOS (V8) #1

GEC Marconi KT66 CV1075 Grey Glass C USED Valve Tube AMPLITREX Test GM% 96

Sovtek 1622 KT66 Beam Tetrode Power Valve Tube Tests Good Made in Russia

KT66 VT75 VALVE TUBE BRITISH MILITARY

Vintage GEC KT66 CV1075 Grey Glass Valve Tube Used Tested 'MD 10' (V50)

KT66 VT75 VINTAGE OSRAM NOS VALVE TUBE (LB9)

2x RARE Marconi KT66 Valves Tubes HK 52 Black-Base Eq EL37 CV1075 VT75 6L6G PP60

KT66 GOLD LION GENALEX RE-ISSUE MATCHED PAIR NEW BOXED VALVE TUBE

Matched Quad 4x Vintage 1960s GEC KT66 Marconi Brown Base Valves Tubes *Tested*

GEC KT66 CV1075 Grey Glass A USED Valve Tube AMPLITREX Test GM% 98

KT66 GEC TWIN HALO GETTER NOS VALVE TUBE (LC16)

Matched Pair KT66 New Valve Tubes Gold Class Made By Shuguang China

2x RARE MOV VT75 Valves Tubes ZA15444 Eq EL37 CV1075 KT66 6L6G PP60

Osram GEC KT66 C Smoked Glass AMPLITREX GM% 112 NOS Valve Tube Sep19B

Rare GEC Osram KT66 VT75 Fat Grey Glass Valve Tube Used Tested (V8) #3

Rare 2 X Mullard EL35 / KT66 Valves-Very Strong Tested- Same Date Codes-Matched

Rare GEC Osram KT66 VT75 Fat Grey Glass Valve Tube Used Tested (V8) #4

GEC KT66 Twin Halo Getters at Base F Valve Tube New Old Stock

VALVE TUBE BOXES SIZE 3 X10PCS (5U4G,6L6,KT66 ETC)

Rare Marconi GEC KT-66 Grey glass brown base Valve/Vacuum Tube-AVO Tested strong

GEC KB/Z CV1075 KT66 Valve Tube Used Tested Strong Single Cup Getter (V33)

KT66 CV1075 COSSOR MOV COKE BOTTLE MATCHED PAIR NOS VALVE TUBE (LB26)

Rare GEC Osram KT66 VT75 Fat Grey Glass Valve Tube Used Tested (V8) #2

VALVE TUBE BOXES SIZE 4 X10PCS (5U4G,6L6,KT66 ETC)

Strong Pair MWT GEC KT66 Clear Glass Valves Single Cup Getters Used (V60)

KT66 MARCONI NOS BOXED VALVE TUBE (LB25)

NOS Octal 8 pin Valve Tube Base British Made McMurdo Paxolin KT88 KT66 EL34

TAD KT66 Matched Quad

Matched Pair GEC KT66 with Clear Glass Brown Base Single Cup Getter Tested Good

Marconi by GEC KT66 CV1075 Valve Tube Used Tested (V13)

Osram GEC KT66 G Smoked Glass AMPLITREX GM% 104 NOS Valve Tube Sep19B

Tung-Sol KT66, matched pair, in original boxes

GEC KT66 Twin Halo Getters at Base Pair E Valve Tube New Old Stock

KT66 Valves - JJ Matched Quad NEW TESTED (4 X KT66)

Mullard CV181 KB/DA ECC32 6SN7 Valve x2 Leak Quad Valve Tube Amplifier U52 KT66

Matched Pair KT66 Clear Glass Brown Base NOS GEC UK Valve Tubes (AAV5)

KT66 GOLD LION GENALEX RE-ISSUE MATCHED PAIR NEW BOXED VALVE TUBE

GEC VT75 KT66 1 x Pan Getter at Base Black Anode F NOS Valve Tube OCT19F

GEC KT66 CV1075 Grey Glass Valve Tube NOS (V20)

GEC Marconi KT66 CV1075 Grey Glass D USED Valve Tube AMPLITREX Test GM% 106

KT66 GEC Valve Used (6B5)

Vintage matched pair GEC KT-66 Valves/Vacuum Tubes - AVO Tested Very Strong

GEC VT75 KT66 1 x Pan Getter at Base Black Anode E NOS Valve Tube OCT19F

OSRAM KT66 Grey Glass Valve Tube 'HE 6' Used Boxed (V46)

Marconi KT66 Amplifier Valve/Tube with square Getter FREEPOST

Osram GEC KT66 E Smoked Glass AMPLITREX GM% 103 NOS Valve Tube Sep19B

2x NOS Mullard EL37 Valves Tubes Eq KT66 CV1075 VT75 6L6G PP60

GEC VT-75 KT66 10e/11533 Grey Glass Fat Valve Tube Tests Good Made in England

NOS Platinum Match Pair KT66 ValveArt Welded Plates Dual Ring Getters Brown Base

Best Selling

6V6GT Marshall Branded Matched Electrically Pairs Weekend

Mullard Valve Tube (GZ32)

MARSHALL KT66 Gold-Label Valve Tube - Pack of 4

1 X E88CC 6922 Tesla NOS Tube Valve Military Tubes Code 37 Tested Ky10 1983

Pair of GE USA 12AT7WC 6201 Dated 1986 NOS Valve/tubes

Matched Pair Brimar 6L6GA 6l6g Black Glass Valves Tubes NOS Boxed (v26)

M8136 Cv4003 Kqddk Mullard Logo NOS Pair Valve Tube

RCA 5751 Black Plate NOS Tube

Top-rated

6V6GT Marshall Branded Matched Electrically Pairs Weekend

MARSHALL KT66 Gold-Label Valve Tube - Pack of 4

Tungsol 12AX7 Preamp Tubes - Clear

More to explore

Related searches

Matched Quad 4x Vintage 1960s GEC KT66 Marconi Brown Base Valves Tubes Tested