Looking for a KT66 valve (vacuum tube) for your valve amp or similar? Please have a look at our range.
DIY tube guitar amp 3 DVD valve amplifier El34 6L6 KT66

DIY tube guitar amp 3 DVD valve amplifier El34 6L6 KT66

Price: £57.58 (0 Bids)
Buy It Now Price: £67.26
Sale Ends: 1d 8h 23m
(2) VACUUM TUBE RETAINERS KT66 KT88 type

(2) VACUUM TUBE RETAINERS KT66 KT88 type

Buy It Now Price: £2.28
Sale Ends: 1d 20h 1m
PAIR MULLARD GENALEX KT66 6L6 AMPLIFIER TUBE

PAIR MULLARD GENALEX KT66 6L6 AMPLIFIER TUBE

Price: £54.58 (8 Bids)
Sale Ends: 1d 23h 29m
KT66 Audio Output or Power Valve, Grey  TESTED GWO

KT66 Audio Output or Power Valve, Grey TESTED GWO

Price: £0.99 (1 Bids)
Sale Ends: 2d 14h 32m
KT66 Röhre Tube Valve Amplifier Mc Intosh Quad matched

KT66 Röhre Tube Valve Amplifier Mc Intosh Quad matched

Buy It Now Price: £104.93
Sale Ends: 2d 21h 52m
NEW Old Stock GEC KT66   CV1075 Radio Valve   Tube

NEW Old Stock GEC KT66 CV1075 Radio Valve Tube

Price: £48.38 (1 Bids)
Sale Ends: 3d 7h 5m
NEW Old Stock GEC KT66   CV1075 Radio Valve   Tube

NEW Old Stock GEC KT66 CV1075 Radio Valve Tube

Price: £48.38 (1 Bids)
Sale Ends: 3d 7h 6m
KT66 Röhre Tube Valve Mc Intosh,Quad matched pair 2 Stk

KT66 Röhre Tube Valve Mc Intosh,Quad matched pair 2 Stk

Buy It Now Price: £53.30
Sale Ends: 4d 6h 19m
Pair Concordant Quad II Valve Amplifiers VGC EL34 KT66

Pair Concordant Quad II Valve Amplifiers VGC EL34 KT66

Price: £245.00 (4 Bids)
Sale Ends: 4d 15h 55m
KT66 Röhre neu, made by Shuguang China -  Tube amp.

KT66 Röhre neu, made by Shuguang China - Tube amp.

Buy It Now Price: £19.78
Sale Ends: 4d 16h 31m
GEC KT66 Valve Tube. Tested

GEC KT66 Valve Tube. Tested

Price: £16.00 (5 Bids)
Sale Ends: 4d 17h
JJ KT66 Tube

JJ KT66 Tube

Price: £5.08 (0 Bids)
Sale Ends: 4d 22h
Sovtek Russian made KT66 power tube

Sovtek Russian made KT66 power tube

Price: £5.08 (0 Bids)
Sale Ends: 4d 22h
TUBE AMP CHASSIS FOR 6BQ5 6L6 GC  EL34 36 2A3 300B KT66

TUBE AMP CHASSIS FOR 6BQ5 6L6 GC EL34 36 2A3 300B KT66

Buy It Now Price: £25.38
Sale Ends: 5d 2h 59m
GEC KT66   CV1075 Radio Valve   Tube

GEC KT66 CV1075 Radio Valve Tube

Price: £54.99 (0 Bids)
Buy It Now Price: £64.99
Sale Ends: 5d 14h 58m
20 Vacuum Tube Boxes Octal 6550 KT88 KT66 572B 6L6G #5

20 Vacuum Tube Boxes Octal 6550 KT88 KT66 572B 6L6G #5

Buy It Now Price: £10.05
Sale Ends: 5d 18h 17m
MULLARD EL37(KT66) VALVE TUBE TESTED 100% OK

MULLARD EL37(KT66) VALVE TUBE TESTED 100% OK

Price: £4.99 (1 Bids)
Sale Ends: 6d 12h 14m
General electric KT66 valve tube.

General electric KT66 valve tube.

Price: £10.00 (0 Bids)
Sale Ends: 6d 16h 40m
8-pin Octal Ceramic Tube Socket 6L6 KT66 5881 - Qty 5

8-pin Octal Ceramic Tube Socket 6L6 KT66 5881 - Qty 5

Price: £5.07 (0 Bids)
Sale Ends: 6d 17h 17m
Power Supply Delay Board for dynaco 6SN7 KT66 tube amp

Power Supply Delay Board for dynaco 6SN7 KT66 tube amp

Buy It Now Price: £10.15
Sale Ends: 6d 19h 2m