Kt66

4

Kt66 for sale on largest auction and classifieds sites

Home / / Kt66 refurbished & used for sale | For Sale USA
Pair genalex england kt66 - pair,

Pair genalex england kt66 - pair,

$495.00
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Genalex gold lion kt66 power - gold,

Genalex gold lion kt66 power - gold,

$99.99
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Pair mullard kt66 vacuum - kt66,

Pair mullard kt66 vacuum - kt66,

$399.00
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Tad kt66 premium matched - premium,

Tad kt66 premium matched - premium,

$93.95
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Matched pair gec cv1075 - (2pcs),

Matched pair gec cv1075 - (2pcs),

$650.00
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Sovtek tubes 4 pack - sovtek, 4-pack

Sovtek tubes 4 pack - sovtek, 4-pack

$144.00
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Rare mullard el37 - rare, tube

Rare mullard el37 - rare, tube

$225.00
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Electronic kt66 beam power - kt66,

Electronic kt66 beam power - kt66,

$99.99
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Matched pair tube amp - amp, doctor

Matched pair tube amp - amp, doctor

$128.00
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Brand new tung sol - brand, reissue

Brand new tung sol - brand, reissue

$160.00
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Nos platinum match - match, pair

Nos platinum match - match, pair

$400.00
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Genalex gold lion kt66 - genalex,

Genalex gold lion kt66 - genalex,

$129.99
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Brimar 6l6g cv1947 kt66 nos - 6l6g,

Brimar 6l6g cv1947 kt66 nos - 6l6g,

$390.00
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Matched quad tube amp doctor - quad,

Matched quad tube amp doctor - quad,

$256.00
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Gec kt66 british - british, old

Gec kt66 british - british, old

$250.75
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Kt66 cv1075 gec nos boxed - cv1075,

Kt66 cv1075 gec nos boxed - cv1075,

$665.25
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Gec kt66 nos vintage - nos,

Gec kt66 nos vintage - nos,

$475.00
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Sunvalley mono blocks - sunvalley,

Sunvalley mono blocks - sunvalley,

$1795.00
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Matched quad kt77 - jj, power

Matched quad kt77 - jj, power

$90.00
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Platinum factory match quad - factory,

Platinum factory match quad - factory,

$258.00
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Kt66 lve vintage retro - kt66,

Kt66 lve vintage retro - kt66,

$201.23
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Kt66 cv1075 gec matched - cv1075,

Kt66 cv1075 gec matched - cv1075,

$672.50
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Genalex gold lion kt66 - lion, vacuum

Genalex gold lion kt66 - lion, vacuum

$325.00
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Genalex gold lion kt66 new - genalex,

Genalex gold lion kt66 new - genalex,

$285.00
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Genalex gold lion kt66 - genalex,

Genalex gold lion kt66 - genalex,

$24.95
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Pair tad rt824 - tad, vacuum

Pair tad rt824 - tad, vacuum

$85.00
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Kt66 gold tad original - kt66,

Kt66 gold tad original - kt66,

$100.88
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Matched pair gec - matched,

Matched pair gec - matched,

$650.00
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New matched pair genalex kt77 - matched,

New matched pair genalex kt77 - matched,

$59.99
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Kt88c vacuum tube - vacuum,

Kt88c vacuum tube - vacuum,

$335.00
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Tad premium selected - tad,

Tad premium selected - tad,

$299.00
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Relco mullard genalex - mullard,

Relco mullard genalex - mullard,

$1495.00
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Kewtech kt66dl 1 - kewtech,

Kewtech kt66dl 1 - kewtech,

$799.99
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Rca 6l6gc 7581a kt66 beam - rca, /kt66

Rca 6l6gc 7581a kt66 beam - rca, /kt66

$45.00
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7581a kt66 6l6gc power tube - ge,

7581a kt66 6l6gc power tube - ge,

$75.00
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Pair kt66 power vacuum - pair, of

Pair kt66 power vacuum - pair, of

$111.90
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Kt66 grey glass - kt66,

Kt66 grey glass - kt66,

$935.00
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Gec kt66 pair vacuum tubes - kt66,

Gec kt66 pair vacuum tubes - kt66,

$398.00
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Rare nos 6l6 - nos, 6l6g

Rare nos 6l6 - nos, 6l6g

$249.64
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Sovtek tube tv7 test - gt,

Sovtek tube tv7 test - gt,

$40.00
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Marconi kt66 tubes - tubes, nos

Marconi kt66 tubes - tubes, nos

$2799.00
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Genalex gold lion kt66 power - lion,

Genalex gold lion kt66 power - lion,

$120.00
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Relco genalex tube gray - kt-66,

Relco genalex tube gray - kt-66,

$600.00
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Kt66 genalex gold lion matched - genalex,

Kt66 genalex gold lion matched - genalex,

$259.00
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6p3s tubes matched quad nos - 6p3s-e,

6p3s tubes matched quad nos - 6p3s-e,

$69.00
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Kt66 ars replaces - 1,

Kt66 ars replaces - 1,

$40.95
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Kt66 electronic matched - kt66,

Kt66 electronic matched - kt66,

$114.58
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Rare italian vintage - italian, mullard

Rare italian vintage - italian, mullard

$212.54
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Kt66 power vacuum tube - jj,

Kt66 power vacuum tube - jj,

$55.95
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Strong genelex gold lion - strong, kt66

Strong genelex gold lion - strong, kt66

$149.99
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Kt66 electronic matched - kt66,

Kt66 electronic matched - kt66,

$57.79
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Quad kt66 power vacuum - jj,

Quad kt66 power vacuum - jj,

$223.80
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Tube amp higher temp - amp, dampers

Tube amp higher temp - amp, dampers

$22.99
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Rft 6l6 6l6gc 6l6g - rft, kt66

Rft 6l6 6l6gc 6l6g - rft, kt66

$279.00
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Matched pair vacuum tube - matched,

Matched pair vacuum tube - matched,

$119.61
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Vintage genalex gec - -,

Vintage genalex gec - -,

$249.00
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Clean super matched pair - 2,

Clean super matched pair - 2,

$179.00
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Genalex gold lion kt66 - kt66, new

Genalex gold lion kt66 - kt66, new

$132.50
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Ruby kt66c kt66 audio power - kt66,

Ruby kt66c kt66 audio power - kt66,

$250.00
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Kt66 marshall premium - kt66,

Kt66 marshall premium - kt66,

$211.32
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Kt66 lve vintage retro style - lve,

Kt66 lve vintage retro style - lve,

$100.07
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Lot kt66 tubes - lot, of

Lot kt66 tubes - lot, of

$3750.00
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Brand new tung sol - brand, reissue

Brand new tung sol - brand, reissue

$107.54
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Genalex gold lion kt66 power - genalex,

Genalex gold lion kt66 power - genalex,

$246.98
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Vintagenos usa 7027a - ge,

Vintagenos usa 7027a - ge,

$349.00
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New reissue genalex gold lion - reissue,

New reissue genalex gold lion - reissue,

$71.97
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10pc 8pin octal tube - 10pc,

10pc 8pin octal tube - 10pc,

$31.85
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Tube amp dampers for - amp,

Tube amp dampers for - amp,

$12.99
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Kt66 guitar tubes matched - pm,

Kt66 guitar tubes matched - pm,

$79.25
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2pcs matched audio - audio, tube

2pcs matched audio - audio, tube

$248.99
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Electron tube tubes - electron, tubes,

Electron tube tubes - electron, tubes,

$400.00
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Shuguang kt66 z treasure - 2, kt66-z

Shuguang kt66 z treasure - 2, kt66-z

$107.80
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New current matched pair - matched,

New current matched pair - matched,

$150.77
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Genalex gold lion kt66 6l6 - gold,

Genalex gold lion kt66 6l6 - gold,

$55.00
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Vintagenos cv1947 stc - vintagenos,

Vintagenos cv1947 stc - vintagenos,

$1049.00
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Nos marconi osram - marconi,

Nos marconi osram - marconi,

$277.97
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Genalex gold lion kt66 - gold,

Genalex gold lion kt66 - gold,

$69.50
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Vintagenos sylvania 6l6g - 1x,

Vintagenos sylvania 6l6g - 1x,

$949.00
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Kt66 tube amp - tube,

Kt66 tube amp - tube,

$50.95
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Brand new tung sol reissue - brand,

Brand new tung sol reissue - brand,

$51.32
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New current matched quad - matched,

New current matched quad - matched,

$305.12
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Kt66 genalex gold - gold, matched

Kt66 genalex gold - gold, matched

$129.50
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Genalex gold lion kt66 power - -,

Genalex gold lion kt66 power - -,

$67.95
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Genalex gold lion kt66 power - gold,

Genalex gold lion kt66 power - gold,

$358.77
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Dualdiscgetter 6l6gc - dualdiscgetter,

Dualdiscgetter 6l6gc - dualdiscgetter,

$275.00
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Vacuum tube shuguang nos - tube,

Vacuum tube shuguang nos - tube,

$29.89
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Kt66 marconi pair used issue - kt66,

Kt66 marconi pair used issue - kt66,

$370.23
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Vintage genalex gec kt66 - 1,

Vintage genalex gec kt66 - 1,

$269.00
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Kt66 6l6 sovtek tube - kt66, gray

Kt66 6l6 sovtek tube - kt66, gray

$36.00
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Brand new tung sol - brand,

Brand new tung sol - brand,

$105.73
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1961 genalex kt66 amplifier - 1961,

1961 genalex kt66 amplifier - 1961,

$231.74
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Quad genalex gold - -,

Quad genalex gold - -,

$271.80
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New reissue genalex gold lion - reissue,

New reissue genalex gold lion - reissue,

$75.42
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Kt66 6l6 sovtek - kt66,

Kt66 6l6 sovtek - kt66,

$40.50
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Mullard kt88 power - mullard,

Mullard kt88 power - mullard,

$300.00
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Genalex gold lion - genalex,

Genalex gold lion - genalex,

$234.45
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📊96 listings · from $12.99 · avg $331.25

Browse 96 kt66 listings currently in our index. Prices range from $12.99 to $3750, with an average of $331.25. 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 $12.99, while premium listings can reach $3750 — giving you a wide budget spread to work with. The average price of $331.25 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.

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