6550/KT88

July 6, 2008 | Leave a Comment

Welcome to Vintage Stereo Equipment and thank you patronzing our site. This page will show you listings for the 6550 AKA KT88 vacuum tube.

The 6550 is a great vacuum tube for your new or vintage tube equipment. Please check our other vacuum tube listings in the menu at the side of this listing.

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Vintage Stereo Equipment is a seller of vintage audio equipment, vacuum tubes, vintage turntables, guitar amps, vintage radios, reel to reel players, and vintage turntables.




ELLA 6550 KT88 Vacuum Tube Integrated Stereo Amplifier
ELLA 6550 KT88 Vacuum Tube Integrated Stereo Amplifier
$900.00
Time Remaining: 30m
Buy It Now for only: $900.00
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Vintage Genalex Gold Lion KT88 Vacuum Tube GC NR
Vintage Genalex Gold Lion KT88 Vacuum Tube GC NR
$71.05 (12 Bids)
Time Remaining: 1h 36m

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Vintage Tubes Gold Aero KT 88
Vintage Tubes Gold Aero KT 88
$250.00
Time Remaining: 3h 30m
Buy It Now for only: $250.00
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KT88 98 SHUGUANG NEW Match Quad 4 Tubes Precision Match GM + Current 6550
KT88 98 SHUGUANG NEW Match Quad 4 Tubes Precision Match GM + Current 6550
$78.00
Time Remaining: 3h 52m
Buy It Now for only: $78.00
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KT88 Tesla NOS Match Pair 2 Tubes Specially made Czechoslovakian Military no JJ
KT88 Tesla NOS Match Pair 2 Tubes Specially made Czechoslovakian Military no JJ
$80.00
Time Remaining: 3h 52m
Buy It Now for only: $80.00
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Gold Lion KT88 GenalexCryo Treated Matched Quad 4 6550 KT90
Gold Lion KT88 GenalexCryo Treated Matched Quad 4 6550 KT90
$239.99
Time Remaining: 4h 2m
Buy It Now for only: $239.99
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KT88 JJ Cryo Treated Matched Quad 4 6550 KT90
KT88 JJ Cryo Treated Matched Quad 4 6550 KT90
$189.99
Time Remaining: 4h 4m
Buy It Now for only: $189.99
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Gold Lion KT88 Genalex Cryo Treated and Matched Pair 2 6550 KT90
Gold Lion KT88 Genalex Cryo Treated and Matched Pair 2 6550 KT90
$119.99
Time Remaining: 4h 11m
Buy It Now for only: $119.99
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TESTED ONE VINTAGE 1960S ORIGINAL GENALEX GOLD LION KT88 BLACK PLATE TUBE 6550
TESTED ONE VINTAGE 1960S ORIGINAL GENALEX GOLD LION KT88 BLACK PLATE TUBE 6550
$249.99
Time Remaining: 4h 32m
Buy It Now for only: $325.00
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5K SE 8C CORE amorphous core AUDIO OUTPUT TRANSFORMERS pair FOR KT 88 EL34
5K SE 8C CORE amorphous core AUDIO OUTPUT TRANSFORMERS pair FOR KT 88 EL34
$170.00
Time Remaining: 4h 42m
Buy It Now for only: $170.00
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KT88 300B 2A3 45 807 6L6 EL84 20W single ended tube amp output transformer 8
KT88 300B 2A3 45 807 6L6 EL84 20W single ended tube amp output transformer 8
$125.00
Time Remaining: 5h 10m
Buy It Now for only: $125.00
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KT88 Digital 24 Channel EKG EEG Machine Mapping SystemBrain Electric+Software
KT88 Digital 24 Channel EKG EEG Machine Mapping SystemBrain Electric+Software
$1,899.00
Time Remaining: 5h 13m

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Shuguang KT 88 Electron Tube 3 Hole Greg Plate In Original Box NEW
Shuguang KT 88 Electron Tube 3 Hole Greg Plate In Original Box NEW
$17.99
Time Remaining: 6h 11m
Buy It Now for only: $17.99
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1PC Electro Harmonix EH KT88 Russia Vacuum Tubes Brand New
1PC Electro Harmonix EH KT88 Russia Vacuum Tubes Brand New
$39.00
Time Remaining: 6h 43m
Buy It Now for only: $39.00
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Genalex Gold Lion Kt88 Tubes
Genalex Gold Lion Kt88 Tubes
$147.50 (13 Bids)
Time Remaining: 7h 27m

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Genalex Kt88 Tubes
Genalex Kt88 Tubes
$298.00 (13 Bids)
Time Remaining: 7h 30m

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8pin K8A ceramic tube socket for KT88 5881 5AR4 6SL7 EL34 6V6 chassis mount x4
8pin K8A ceramic tube socket for KT88 5881 5AR4 6SL7 EL34 6V6 chassis mount x4
$0.99 (1 Bid)
Time Remaining: 7h 36m

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One Single of Genalex Gold Lion KT88 tube Reissue NEW
One Single of Genalex Gold Lion KT88 tube Reissue NEW
$45.88
Time Remaining: 7h 38m
Buy It Now for only: $45.88
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Tube sockets 8 pin pc gold plated ceramic 10pc EL34KT8865506V6GT6L6GC6SN7GT
Tube sockets 8 pin pc gold plated ceramic 10pc EL34KT8865506V6GT6L6GC6SN7GT
$12.99
Time Remaining: 8h 2m
Buy It Now for only: $12.99
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Sophia Electric KT88 ST tube for Genalex Western amplifier 2016 PFO Award Winner
Sophia Electric KT88 ST tube for Genalex Western amplifier 2016 PFO Award Winner
$125.00
Time Remaining: 8h 3m
Buy It Now for only: $125.00
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Audiophile CD5 Er Hu Chinese Violin for 845 300B 2A3 KT88 El34 tube amplifier
Audiophile CD5 Er Hu Chinese Violin for 845 300B 2A3 KT88 El34 tube amplifier
$25.00
Time Remaining: 8h 3m
Buy It Now for only: $25.00
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KT88 tube amplifier single ended Class A tube amplifier HiFi audio amplifier
KT88 tube amplifier single ended Class A tube amplifier HiFi audio amplifier
$479.00
Time Remaining: 8h 16m
Buy It Now for only: $479.00
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JOLIDA KT88 6550 EL34 TUBE POWER AMPLIFIER 75 W ULTRA LINEAR OUTPUT TRANSFORMER
JOLIDA KT88 6550 EL34 TUBE POWER AMPLIFIER 75 W ULTRA LINEAR OUTPUT TRANSFORMER
$129.00
Time Remaining: 8h 26m
Buy It Now for only: $129.00
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PSVANE Audio Vacuum Tube One Matched Pair KT88 6550 HIFI Series Valve Amp
PSVANE Audio Vacuum Tube One Matched Pair KT88 6550 HIFI Series Valve Amp
$84.99
Time Remaining: 8h 28m
Buy It Now for only: $84.99
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Vintage stereo KT88 push pull vacuum tube amplifier HIFI integrated AMPallnew
Vintage stereo KT88 push pull vacuum tube amplifier HIFI integrated AMPallnew
$894.60
Time Remaining: 8h 47m
Buy It Now for only: $894.60
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6pc 8pin Octal Gold Ceramic Tube Socket 6SN7 KT66 KT88 EL34 5U4G 6CA7 6550 K8A
6pc 8pin Octal Gold Ceramic Tube Socket 6SN7 KT66 KT88 EL34 5U4G 6CA7 6550 K8A
$8.79
Time Remaining: 8h 54m
Buy It Now for only: $8.79
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6pc 8pin Octal Ceramic Gold Tube Socket 6SN7 KT66 KT88 EL34 5U4G 6CA7 K8A PCB
6pc 8pin Octal Ceramic Gold Tube Socket 6SN7 KT66 KT88 EL34 5U4G 6CA7 K8A PCB
$8.63
Time Remaining: 9h 5m
Buy It Now for only: $8.63
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Pair Vintage 6SN7GTB Tubes for Western Electric 300B 2A3 45 El34 KT88 amplifier
Pair Vintage 6SN7GTB Tubes for Western Electric 300B 2A3 45 El34 KT88 amplifier
$59.99
Time Remaining: 9h 11m
Buy It Now for only: $59.99
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4pc 8pin Bakelite tube socket valve base Triode Rectifier Fr KT88 EL34 6550 6SN7
4pc 8pin Bakelite tube socket valve base Triode Rectifier Fr KT88 EL34 6550 6SN7
$5.93
Time Remaining: 9h 59m
Buy It Now for only: $5.93
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4pcs 8pin Bakelite vacuum tube sockets valve base Chassis fr EL34 KT88 6550 6SN7
4pcs 8pin Bakelite vacuum tube sockets valve base Chassis fr EL34 KT88 6550 6SN7
$6.19
Time Remaining: 10h 4m
Buy It Now for only: $6.19
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2pcs1 Matched Pair PSVANE Premium Vacuum Tubes KT88 T Mark II KT88 T
2pcs1 Matched Pair PSVANE Premium Vacuum Tubes KT88 T Mark II KT88 T
$152.99
Time Remaining: 10h 31m
Buy It Now for only: $152.99
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EEG 16 Channel Digital EEG And Mapping System KT88 1016CONTEC Brand 2Y warranty
EEG 16 Channel Digital EEG And Mapping System KT88 1016CONTEC Brand 2Y warranty
$959.00
Time Remaining: 11h 21m
Buy It Now for only: $959.00
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4pc 4pin or 8pin Tube Socket Shock Plate Black KT88 KT66 EL34 Tube Base mounting
4pc 4pin or 8pin Tube Socket Shock Plate Black KT88 KT66 EL34 Tube Base mounting
$9.90
Time Remaining: 11h 47m

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CHINESE KT88 MATCHED POWER TUBES GTR AMPS
CHINESE KT88 MATCHED POWER TUBES GTR AMPS
$85.95
Time Remaining: 12h 25m
Buy It Now for only: $85.95
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ENSONIQ MIRAGE ESQ1 SQ80 ASR10 FISZMO SQ1 TS10 EPS VFX EPS16 SYNTHESIZER MAGNET
ENSONIQ MIRAGE ESQ1 SQ80 ASR10 FISZMO SQ1 TS10 EPS VFX EPS16 SYNTHESIZER MAGNET
$6.75
Time Remaining: 12h 37m
Buy It Now for only: $6.75
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1pc 6V6 KT88 EL34 KT66 Tube AMP Stainless Steel Box Chassis Enclosure
1pc 6V6 KT88 EL34 KT66 Tube AMP Stainless Steel Box Chassis Enclosure
$39.99
Time Remaining: 13h 29m
Buy It Now for only: $39.99
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1PC Bakelite 8Pin K8A Octal Vacuum Tube Socket Base For KT88 EL34 5U4G 6SN7 6V6
1PC Bakelite 8Pin K8A Octal Vacuum Tube Socket Base For KT88 EL34 5U4G 6SN7 6V6
$0.99
Time Remaining: 13h 42m
Buy It Now for only: $0.99
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2pc K8A Base 8pin Gold Plate Octal Ceramic Tube Socket EL34 6550 KT88
2pc K8A Base 8pin Gold Plate Octal Ceramic Tube Socket EL34 6550 KT88
$5.50
Time Remaining: 13h 47m

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44mm Tube Dampers Silicone O Ring fit KT88 6550 KT66 KT100 tube audio Amps 50pcs
44mm Tube Dampers Silicone O Ring fit KT88 6550 KT66 KT100 tube audio Amps 50pcs
$24.62
Time Remaining: 14h 15m
Buy It Now for only: $24.62
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44mm Tube Dampers Silicone O Ring fit KT88 6550 KT66 KT100 tube audio Amps 100pc
44mm Tube Dampers Silicone O Ring fit KT88 6550 KT66 KT100 tube audio Amps 100pc
$45.86
Time Remaining: 14h 29m
Buy It Now for only: $45.86
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10pcs Bakelite Tube Socket K8A 8Pin Saver Adapter 6550 EL34 6SN7 KT88 6L6 6P3P
10pcs Bakelite Tube Socket K8A 8Pin Saver Adapter 6550 EL34 6SN7 KT88 6L6 6P3P
$12.75
Time Remaining: 14h 29m
Buy It Now for only: $12.75
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KT88 Digital Brain Electric Activity Mapping EEG Machine EEG Mapping Software
KT88 Digital Brain Electric Activity Mapping EEG Machine EEG Mapping Software
$959.00
Time Remaining: 14h 30m
Buy It Now for only: $959.00
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HiFi KT88 High Power Class A Single ended Stereo Tube Amplifier 18W2
HiFi KT88 High Power Class A Single ended Stereo Tube Amplifier 18W2
$541.50
Time Remaining: 14h 34m
Buy It Now for only: $541.50
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8pcs 8 pin Octal CERAMIC Tube Sockets USSR 6L6 6P3S EL34 6V6 KT88 Soviet Octal
8pcs 8 pin Octal CERAMIC Tube Sockets USSR 6L6 6P3S EL34 6V6 KT88 Soviet Octal
$9.95
Time Remaining: 14h 55m
Buy It Now for only: $9.95
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NEW Tube Damper Silicon Ring fit vaccum tube KT88 6550 KT66 Audio Amp 50pcs
NEW Tube Damper Silicon Ring fit vaccum tube KT88 6550 KT66 Audio Amp 50pcs
$28.02
Time Remaining: 15h 6m
Buy It Now for only: $28.02
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NEW Tube Damper Silicon Ring fit vaccum tube KT88 6550 KT66 DIY Audio Amp 100pcs
NEW Tube Damper Silicon Ring fit vaccum tube KT88 6550 KT66 DIY Audio Amp 100pcs
$50.95
Time Remaining: 15h 14m
Buy It Now for only: $50.95
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20pcs Tube Retainer Clip For 8pin Valve KT88 EL34 Fenders Guitar Tube Amplifier
20pcs Tube Retainer Clip For 8pin Valve KT88 EL34 Fenders Guitar Tube Amplifier
$23.00
Time Remaining: 15h 16m
Buy It Now for only: $23.00
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4PC 8 PIN Bakelite VACCUM TUBE SOCKET SAVER BASE FR 6L6 EL34 KT88 6550 audio amp
4PC 8 PIN Bakelite VACCUM TUBE SOCKET SAVER BASE FR 6L6 EL34 KT88 6550 audio amp
$12.73
Time Remaining: 15h 43m
Buy It Now for only: $12.73
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4PCS 8PIN TEST TUBE SOCKET SAVER WITH FIXTURES FOR 6L6 EL34 KT88 6550 AUDIO tube
4PCS 8PIN TEST TUBE SOCKET SAVER WITH FIXTURES FOR 6L6 EL34 KT88 6550 AUDIO tube
$12.99
Time Remaining: 15h 46m
Buy It Now for only: $12.99
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Tube SE 6L6 EL34 KT88 amplifier stereo assembled wo input and output tubes
Tube SE 6L6 EL34 KT88 amplifier stereo assembled wo input and output tubes
$51.99
Time Remaining: 16h 31m
Buy It Now for only: $51.99
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8PCS 8 PIN ceramics VACCUM TUBE SOCKETS SAVER FOR KT88 6550 EL34 AUDIO tube amps
8PCS 8 PIN ceramics VACCUM TUBE SOCKETS SAVER FOR KT88 6550 EL34 AUDIO tube amps
$11.88
Time Remaining: 16h 50m
Buy It Now for only: $11.88
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5pcs GOLD 8PIN ceramics VACCUM TUBE SOCKETS SAVER KT88 6550 EL34 6SN7 AUDIO amps
5pcs GOLD 8PIN ceramics VACCUM TUBE SOCKETS SAVER KT88 6550 EL34 6SN7 AUDIO amps
$13.09
Time Remaining: 16h 51m
Buy It Now for only: $13.09
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8PCS 8 PIN PCB MOUNT SILVER CERAMICS VACCUM TUBE SOCKET FOR 6L6 EL34 KT88 6550
8PCS 8 PIN PCB MOUNT SILVER CERAMICS VACCUM TUBE SOCKET FOR 6L6 EL34 KT88 6550
$10.18
Time Remaining: 16h 52m
Buy It Now for only: $10.18
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8PCS 8PIN VACCUM TUBE SOCKET SAVER FOR shuguang KT88 6550 EL34B EL34A AUDIO amps
8PCS 8PIN VACCUM TUBE SOCKET SAVER FOR shuguang KT88 6550 EL34B EL34A AUDIO amps
$11.88
Time Remaining: 16h 53m
Buy It Now for only: $11.88
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2pc GOLD 8PIN ceramics VACCUM TUBE SOCKETS SAVER KT88 6550 EL34 6SN7 AUDIO amps
2pc GOLD 8PIN ceramics VACCUM TUBE SOCKETS SAVER KT88 6550 EL34 6SN7 AUDIO amps
$8.03
Time Remaining: 16h 53m
Buy It Now for only: $8.03
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5pcs 8PIN ceramics VACCUM TUBE SOCKETS SAVER KT88 6550 EL34 6SN7 AUDIO tube amps
5pcs 8PIN ceramics VACCUM TUBE SOCKETS SAVER KT88 6550 EL34 6SN7 AUDIO tube amps
$9.33
Time Remaining: 16h 59m
Buy It Now for only: $9.33
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10pc 8PIN ceramics VACCUM TUBE SOCKETS SAVER KT88 6550 EL34 6SN7 AUDIO tube amps
10pc 8PIN ceramics VACCUM TUBE SOCKETS SAVER KT88 6550 EL34 6SN7 AUDIO tube amps
$15.28
Time Remaining: 17h 7m
Buy It Now for only: $15.28
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8PCS VACCUM TUBE SOCKET SAVER SHIELD FOR SHUGUANG KT88 AUDIO tube amp DIY parts
8PCS VACCUM TUBE SOCKET SAVER SHIELD FOR SHUGUANG KT88 AUDIO tube amp DIY parts
$11.54
Time Remaining: 17h 22m
Buy It Now for only: $11.54
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2pcs Vintage Bakelite 8Pin Tube Socket Long Lead EL34 6CA7 KT88 6550 Audio Amp
2pcs Vintage Bakelite 8Pin Tube Socket Long Lead EL34 6CA7 KT88 6550 Audio Amp
$6.99
Time Remaining: 17h 49m

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Panel Meter Analog DC 100mA Move Coil 845 2A3 300B KT88 EL34 KT66 211 Tube AMP
Panel Meter Analog DC 100mA Move Coil 845 2A3 300B KT88 EL34 KT66 211 Tube AMP
$6.99
Time Remaining: 17h 50m

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8pcs 8pin Octal Ceramic Tube Socket 6SN7 KT66 KT88 EL34 5U4G 6CA7 6550 K8A PCB
8pcs 8pin Octal Ceramic Tube Socket 6SN7 KT66 KT88 EL34 5U4G 6CA7 6550 K8A PCB
$8.99
Time Remaining: 18h 37m

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2 NOS NIB tubes GEC KT88 6550 UK tubes 73 11 matched pair
2 NOS NIB tubes GEC KT88 6550 UK tubes 73 11 matched pair
$1,799.00
Time Remaining: 18h 48m
Buy It Now for only: $1,799.00
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1pc 8pin Octal Ceramic Vacuum tube socket for EL34 GZ34 5AR4 274B KT88 6550 6P3P
1pc 8pin Octal Ceramic Vacuum tube socket for EL34 GZ34 5AR4 274B KT88 6550 6P3P
$0.99
Time Remaining: 19h 36m
Buy It Now for only: $0.99
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5x Power Supply Delay Boards for Dynaco ST70 EL34 6550 KT88 300B tube amplifier
5x Power Supply Delay Boards for Dynaco ST70 EL34 6550 KT88 300B tube amplifier
$99.99
Time Remaining: 19h 50m
Buy It Now for only: $99.99
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pair2pc tube shock proof plates for K8A tube socket 6sn7 kt88 el34 6l6 6v6
pair2pc tube shock proof plates for K8A tube socket 6sn7 kt88 el34 6l6 6v6
$2.90
Time Remaining: 20h 8m
Buy It Now for only: $2.90
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Divided By 13 RSA 23 KT88 Tubes Gold Cream
Divided By 13 RSA 23 KT88 Tubes Gold Cream
$2,495.00
Time Remaining: 20h 16m
Buy It Now for only: $3,295.00
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8pcs New 8pin Belton Style vacuum tube socket PCB mount valve For EL34 6550 KT88
8pcs New 8pin Belton Style vacuum tube socket PCB mount valve For EL34 6550 KT88
$14.43
Time Remaining: 20h 27m
Buy It Now for only: $14.43
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8PCS 8 PIN VACCUM TUBE SOCKET SAVER FOR KT88 6550 EL34B AUDIO tube amp DIY part
8PCS 8 PIN VACCUM TUBE SOCKET SAVER FOR KT88 6550 EL34B AUDIO tube amp DIY part
$15.28
Time Remaining: 20h 31m
Buy It Now for only: $15.28
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8PCS 8 PIN bakelite VACCUM TUBE SOCKET SAVER FOR KT88 EL34B 6550 AUDIO tube amps
8PCS 8 PIN bakelite VACCUM TUBE SOCKET SAVER FOR KT88 EL34B 6550 AUDIO tube amps
$11.88
Time Remaining: 20h 35m
Buy It Now for only: $11.88
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KT 88 Vintage Tube Czech Republic
KT 88 Vintage Tube Czech Republic
$500.00
Time Remaining: 21h
Buy It Now for only: $500.00
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8pc Gilded 8pin Ceramic vacuum tube socket mount gold valve base EL34 KT88 6550
8pc Gilded 8pin Ceramic vacuum tube socket mount gold valve base EL34 KT88 6550
$15.28
Time Remaining: 21h 4m
Buy It Now for only: $15.28
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4pcs Gilded 8pin Ceramic Socket Ceramic Vacuum Tube Electron Tube For KT88 EL34
4pcs Gilded 8pin Ceramic Socket Ceramic Vacuum Tube Electron Tube For KT88 EL34
$8.49
Time Remaining: 21h 4m
Buy It Now for only: $8.49
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8pc 8pin Ceramic vacuum tube socket octal valve base fr EL34 KT88 6550 audio amp
8pc 8pin Ceramic vacuum tube socket octal valve base fr EL34 KT88 6550 audio amp
$11.88
Time Remaining: 21h 9m
Buy It Now for only: $11.88
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8pc 8pin Ceramic vacuum tube sockets valve base Fr KT88 EL34 6550 6SN7 audio amp
8pc 8pin Ceramic vacuum tube sockets valve base Fr KT88 EL34 6550 6SN7 audio amp
$16.98
Time Remaining: 21h 59m
Buy It Now for only: $16.98
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8pc 8pin Ceramic vacuum tube socket octal valve base fr EL34 KT88 6550 6SN7 6L6G
8pc 8pin Ceramic vacuum tube socket octal valve base fr EL34 KT88 6550 6SN7 6L6G
$11.03
Time Remaining: 21h 59m
Buy It Now for only: $11.03
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8pcs 8pin long PCB Ceramic vacuum tube sockets valve base fr EL34 KT88 6550 6SN7
8pcs 8pin long PCB Ceramic vacuum tube sockets valve base fr EL34 KT88 6550 6SN7
$11.88
Time Remaining: 21h 59m
Buy It Now for only: $11.88
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8pc 8pin PCB Ceramic vacuum tube sockets valve base Fr KT88 EL34 6550 6SN7 audio
8pc 8pin PCB Ceramic vacuum tube sockets valve base Fr KT88 EL34 6550 6SN7 audio
$11.88
Time Remaining: 22h 4m
Buy It Now for only: $11.88
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8pc 8pin PCB Ceramic vacuum tube sockets octal valve base fr EL34 KT88 6550 amps
8pc 8pin PCB Ceramic vacuum tube sockets octal valve base fr EL34 KT88 6550 amps
$12.73
Time Remaining: 22h 4m
Buy It Now for only: $12.73
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8X 8pin Bakelite vacuum tube socket octal valve base Chassis EL34 KT88 6550 6SN7
8X 8pin Bakelite vacuum tube socket octal valve base Chassis EL34 KT88 6550 6SN7
$10.18
Time Remaining: 22h 9m
Buy It Now for only: $10.18
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8pcs 8pin Bakelite vacuum tube sockets valve base Chassis fr EL34 KT88 6550 6SN7
8pcs 8pin Bakelite vacuum tube sockets valve base Chassis fr EL34 KT88 6550 6SN7
$9.77
Time Remaining: 22h 9m
Buy It Now for only: $9.77
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8pc 8pin Bakelite tube socket valve base Triode Rectifier Fr KT88 EL34 6550 6SN7
8pc 8pin Bakelite tube socket valve base Triode Rectifier Fr KT88 EL34 6550 6SN7
$9.33
Time Remaining: 22h 9m
Buy It Now for only: $9.33
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50pc 8pin long PCB Ceramic vacuum tube sockets valve base fr EL34 KT88 6550 6SN7
50pc 8pin long PCB Ceramic vacuum tube sockets valve base fr EL34 KT88 6550 6SN7
$63.69
Time Remaining: 22h 52m
Buy It Now for only: $63.69
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QUAD 4 RCA Tung Sol 6550 KT88 MATCHED Pairs NOS Metal Base Hickok 539B Tested
QUAD 4 RCA Tung Sol 6550 KT88 MATCHED Pairs NOS Metal Base Hickok 539B Tested
$310.00 (3 Bids)
Time Remaining: 23h 17m

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4 Factory Platinum Matched Mullard KT88 Power Tubes for Tube Amplifiers
4 Factory Platinum Matched Mullard KT88 Power Tubes for Tube Amplifiers
$179.00
Time Remaining: 23h 21m
Buy It Now for only: $179.00
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Matched Pairs Svetlana KT88 Power Amp Tubes NEW
Matched Pairs Svetlana KT88 Power Amp Tubes NEW
$70.39
Time Remaining: 1d 2h 53m
Buy It Now for only: $70.39
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Retainer Fits KT88 6550 Size Tubes
Retainer Fits KT88 6550 Size Tubes
$1.95
Time Remaining: 1d 4h 18m
Buy It Now for only: $1.95
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EEG KT88 1016 Digital Brain Electric Activity Mapping 16 Channel+Tripods+PC SW
EEG KT88 1016 Digital Brain Electric Activity Mapping 16 Channel+Tripods+PC SW
$899.00
Time Remaining: 1d 5h 14m

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2pcs 8 Pin EL38 6550 KT88 CMC Ceramic Gold Tube Socket
2pcs 8 Pin EL38 6550 KT88 CMC Ceramic Gold Tube Socket
$11.99
Time Remaining: 1d 6h 56m

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Power Supply Delay Board for Dynaco ST70 EL34 6550 KT88 6L6 6V6 tube amplifier
Power Supply Delay Board for Dynaco ST70 EL34 6550 KT88 6L6 6V6 tube amplifier
$29.99
Time Remaining: 1d 6h 59m
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1pc Shuguang Audio Vacuum Tube KT88 98 Valve Amplifier AMP New
1pc Shuguang Audio Vacuum Tube KT88 98 Valve Amplifier AMP New
$28.99
Time Remaining: 1d 7h 59m
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KT88 98 Gold Aero New Vacuum Tube 24HR Burn In Amplitrex AT1000 KT88 98
KT88 98 Gold Aero New Vacuum Tube 24HR Burn In Amplitrex AT1000 KT88 98
$18.50
Time Remaining: 1d 8h 1m
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2x Sophia Electric GR A 6SN7 tubes f Western WE 300B 2A3 845 KT88 El34 amplifier
2x Sophia Electric GR A 6SN7 tubes f Western WE 300B 2A3 845 KT88 El34 amplifier
$139.99
Time Remaining: 1d 8h 33m
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Vintage Tungsol 6SN7 Tube for Cary SEI WE 300B 2A3 El34 KT88 845 211 amplifier
Vintage Tungsol 6SN7 Tube for Cary SEI WE 300B 2A3 El34 KT88 845 211 amplifier
$49.99
Time Remaining: 1d 8h 33m
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Standard 10 20 Adjustable Rubber EEG cap For CONTEC EEG machine KT88
Standard 10 20 Adjustable Rubber EEG cap For CONTEC EEG machine KT88
$15.00
Time Remaining: 1d 8h 36m
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6550 Groove Tubes Red Pair 2 Made Russia 6550 R KT88 KT90 Fender Vacuum Tube
6550 Groove Tubes Red Pair 2 Made Russia 6550 R KT88 KT90 Fender Vacuum Tube
$41.50
Time Remaining: 1d 8h 36m
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6550 Groove Tubes Blue Pair 2 Made Russia 6550 R KT88 KT90 Fender Vacuum Tube
6550 Groove Tubes Blue Pair 2 Made Russia 6550 R KT88 KT90 Fender Vacuum Tube
$41.50
Time Remaining: 1d 8h 39m
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XiangSheng 6N3+6N1+KT100KT88 single ended Class A tube amplifier 5 way input
XiangSheng 6N3+6N1+KT100KT88 single ended Class A tube amplifier 5 way input
$399.00
Time Remaining: 1d 10h 8m
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ENSEMBLE TUBES ELECTRON DEVICES KT88 MADE IN RUSSIA
ENSEMBLE TUBES ELECTRON DEVICES KT88 MADE IN RUSSIA
$40.03
Time Remaining: 1d 10h 39m
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ENSEMBLE TUBES 50 YEARS TREASURES HI FI ELECTRON TUBE KT88 Z
ENSEMBLE TUBES 50 YEARS TREASURES HI FI ELECTRON TUBE KT88 Z
$140.25
Time Remaining: 1d 10h 39m
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CE KT88 Digital Brain Electric Activity Mapping EEG Machine 16 Channel2 Tripods
CE KT88 Digital Brain Electric Activity Mapping EEG Machine 16 Channel2 Tripods
$839.00
Time Remaining: 1d 11h 26m
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