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Kt66

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Kt66 for sale on largest auction and classifieds sites

Home / / Kt66 refurbished & used for sale | For Sale USA
Genalex kt66 emitron vacuum - kt66,

Genalex kt66 emitron vacuum - kt66,

$150.00
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Genalex gold lion kt66 power - gold,

Genalex gold lion kt66 power - gold,

$99.99
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Gec kt66 brown - 2x,

Gec kt66 brown - 2x,

$395.00
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Lot gold lion - gold,

Lot gold lion - gold,

$87.00
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Lot kt66 tubes - of,

Lot kt66 tubes - of,

$4000.00
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Sovtek tubes 4 pack - kt-66, 4-pack

Sovtek tubes 4 pack - kt-66, 4-pack

$160.00
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Tad kt66 premium - tad, matched

Tad kt66 premium - tad, matched

$93.95
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Platinum factory match quad - platinum,

Platinum factory match quad - platinum,

$219.30
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Kt66 lve vintage retro style - lve,

Kt66 lve vintage retro style - lve,

$203.36
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Electronic kt66 beam - electronic,

Electronic kt66 beam - electronic,

$99.99
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Pair mullard kt66 - pair, tubes

Pair mullard kt66 - pair, tubes

$449.00
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Factory matched tung sol 7581a - tung-sol,

Factory matched tung sol 7581a - tung-sol,

$69.99
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Marconi kt66 tubes quad nos - kt66,

Marconi kt66 tubes quad nos - kt66,

$2799.00
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Matched pair tube - pair,

Matched pair tube - pair,

$128.00
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2pcs matched audio tube - matched,

2pcs matched audio tube - matched,

$245.67
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Kt88c vacuum tube valve 4pcs - kt88c,

Kt88c vacuum tube valve 4pcs - kt88c,

$335.00
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Genalex gold lion kt66 new - genalex,

Genalex gold lion kt66 new - genalex,

$132.50
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Nos matched pair kt66 - matched, of

Nos matched pair kt66 - matched, of

$99.00
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10pc 8pin octal - 10pc,

10pc 8pin octal - 10pc,

$29.35
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6l6g 5881 6p3p kt66 el34 - us,

6l6g 5881 6p3p kt66 el34 - us,

$288.00
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Genalex gold lion kt66 - genalex,

Genalex gold lion kt66 - genalex,

$29.71
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Kt66 genalex gold - genalex,

Kt66 genalex gold - genalex,

$259.00
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Nos platinum match pair kt66 - nos,

Nos platinum match pair kt66 - nos,

$400.00
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Genalex gold lion - gold, vacuum

Genalex gold lion - gold, vacuum

$325.00
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Strong genelex gold - genelex,

Strong genelex gold - genelex,

$149.99
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Pair tad rt824 - tad, kt66

Pair tad rt824 - tad, kt66

$85.00
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Matched pair gold lion - matched,

Matched pair gold lion - matched,

$95.00
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6l6gc kt66 general electric - general, ge

6l6gc kt66 general electric - general, ge

$299.99
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Svetlana kt88 vacuum tube made - tube,

Svetlana kt88 vacuum tube made - tube,

$90.00
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Genalex gold lion - gold, kt66

Genalex gold lion - gold, kt66

$129.99
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Kt66 genalex - kt66,

Kt66 genalex - kt66,

$500.00
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Sunvalley mono blocks tubes - sunvalley,

Sunvalley mono blocks tubes - sunvalley,

$1995.00
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Gec kt66 matched - matched, vacuum

Gec kt66 matched - matched, vacuum

$338.98
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Brand new tung sol - brand, reissue

Brand new tung sol - brand, reissue

$160.00
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Kt66 genalex pair - kt66,

Kt66 genalex pair - kt66,

$550.00
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Rare nos 6l6gc tube - 6l6gc,

Rare nos 6l6gc tube - 6l6gc,

$65.00
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Kt66 guitar tubes - kt66,

Kt66 guitar tubes - kt66,

$79.59
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Tube amp higher - temp, dampers

Tube amp higher - temp, dampers

$22.99
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Gec kt66 nos vintage pair - gec,

Gec kt66 nos vintage pair - gec,

$475.00
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Quad kt66 power vacuum - jj,

Quad kt66 power vacuum - jj,

$223.80
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Genalex gold lion kt66 - genalex,

Genalex gold lion kt66 - genalex,

$55.00
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Genalex gold lion kt66 power - genalex,

Genalex gold lion kt66 power - genalex,

$274.99
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Gec kt66 brown base matched - gec,

Gec kt66 brown base matched - gec,

$1522.10
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6p3s tubes matched quad nos - tubes,

6p3s tubes matched quad nos - tubes,

$69.00
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Electron tube tubes new - electron, kt-66

Electron tube tubes new - electron, kt-66

$400.00
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6l6gc kt66 general - 6l6gc/kt66, electric

6l6gc kt66 general - 6l6gc/kt66, electric

$349.99
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Pair genalex gold lion - pair,

Pair genalex gold lion - pair,

$145.00
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Tube amplifier display stand - tube,

Tube amplifier display stand - tube,

$19.99
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7581a kt66 6l6gc power tube - 7581a,

7581a kt66 6l6gc power tube - 7581a,

$75.00
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Brand new tung sol reissue - new,

Brand new tung sol reissue - new,

$107.54
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Kt66 electronic matched - kt66,,

Kt66 electronic matched - kt66,,

$57.79
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Brand new tung sol - new, tung-sol

Brand new tung sol - new, tung-sol

$105.73
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2pcs matched audio tube vacuum - matched,

2pcs matched audio tube vacuum - matched,

$248.99
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Kt66 tube amp doctor - doctor,, premium

Kt66 tube amp doctor - doctor,, premium

$50.95
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Pair kt66 power - kt66, vacuum

Pair kt66 power - kt66, vacuum

$111.90
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For el34 6v6 - for, chassis

For el34 6v6 - for, chassis

$19.82
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Kt66 electronic matched - kt66,, electronic,

Kt66 electronic matched - kt66,, electronic,

$114.58
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New reissue genalex gold - new, lion

New reissue genalex gold - new, lion

$75.42
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Genalex gold lion kt66 new - gold,

Genalex gold lion kt66 new - gold,

$285.00
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New current matched pair - current, (2)

New current matched pair - current, (2)

$153.35
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New tung sol 7581a - 7581a, kt66

New tung sol 7581a - 7581a, kt66

$178.00
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Kt66 lve vintage retro - vintage,

Kt66 lve vintage retro - vintage,

$99.49
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Vacuum tube adapter converter - vacuum,

Vacuum tube adapter converter - vacuum,

$34.79
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Ruby kt66c kt66 - kt66c, audio

Ruby kt66c kt66 - kt66c, audio

$250.00
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Kt66 genalex gold - genalex, lion

Kt66 genalex gold - genalex, lion

$129.50
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Genalex gold lion kt66 power - gold,

Genalex gold lion kt66 power - gold,

$54.00
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Vintage genalex gec - vintage,

Vintage genalex gec - vintage,

$249.00
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Matched pair shuguang - 1,

Matched pair shuguang - 1,

$116.68
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Vintage crosley kt66 push - crosley, pull

Vintage crosley kt66 push - crosley, pull

$499.99
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Kt66 gec nos - boxed, valve

Kt66 gec nos - boxed, valve

$303.91
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Nos marconi osram mwt - nos,

Nos marconi osram mwt - nos,

$277.97
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Kt66 power vacuum tube - vacuum,

Kt66 power vacuum tube - vacuum,

$55.95
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6p3s tubes foton - tubes,

6p3s tubes foton - tubes,

$39.00
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Groove tubes kt66hp guitar - groove,

Groove tubes kt66hp guitar - groove,

$99.00
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Clean super matched pair - &,

Clean super matched pair - &,

$179.00
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Quad genalex gold lion - of,

Quad genalex gold lion - of,

$271.80
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10x 8pin octal tube socket - octal,

10x 8pin octal tube socket - octal,

$28.58
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Sextet genalex gold lion - genalex,

Sextet genalex gold lion - genalex,

$407.70
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Matched pair shuguang kt66 - pair,

Matched pair shuguang kt66 - pair,

$89.99
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New current matched - current, (2)

New current matched - current, (2)

$150.77
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Vintage genalex gec - 1, kt66

Vintage genalex gec - 1, kt66

$269.00
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Kt66 electronic matched - jj, electronic,

Kt66 electronic matched - jj, electronic,

$229.16
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Shuguang kt66 z - shuguang, kt66-z

Shuguang kt66 z - shuguang, kt66-z

$107.80
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Genalex gold lion - genalex, new

Genalex gold lion - genalex, new

$69.50
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Amplifier tubes kt66 gz34 - 14,

Amplifier tubes kt66 gz34 - 14,

$250.00
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New current matched quad - matched, (4)

New current matched quad - matched, (4)

$305.12
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Vacuum tube shuguang nos - 1,

Vacuum tube shuguang nos - 1,

$28.99
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New matched pair - new!!!,

New matched pair - new!!!,

$281.06
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Genalex gold lion kt66 power - gold,

Genalex gold lion kt66 power - gold,

$246.98
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Matched pair vacuum tube - vacuum,

Matched pair vacuum tube - vacuum,

$119.61
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Gec kt66 british old stock - kt66,

Gec kt66 british old stock - kt66,

$295.00
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Kt66 shuguang matched pair - kt66-z,

Kt66 shuguang matched pair - kt66-z,

$107.60
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Rare nos 6l6 6l6g kt66 - nos,

Rare nos 6l6 6l6g kt66 - nos,

$332.85
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Tomiko audio output - se, 5k

Tomiko audio output - se, 5k

$204.00
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Genalex gold lion custom tube - genalex,

Genalex gold lion custom tube - genalex,

$234.45
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Genalex gold lion - 2x, |

Genalex gold lion - 2x, |

$175.00
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📊96 listings · from $19.82 · avg $285.12

Browse 96 kt66 listings currently in our index. Prices range from $19.82 to $4000, with an average of $285.12. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about kt66 →

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Everything you need to know about kt66

Whether you are looking for a brand-new or second-hand kt66, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $19.82, while premium listings can reach $4000 — giving you a wide budget spread to work with. The average price of $285.12 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

🔍 kt66 Search live on eBay