Kt66

4

Kt66 for sale on largest auction and classifieds sites

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

Pair genalex england kt66 gray - pair,

$495.00
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Genalex gold lion kt66 - gold, power

Genalex gold lion kt66 - gold, power

$99.99
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Pair mullard kt66 - mullard, vacuum

Pair mullard kt66 - mullard, vacuum

$399.00
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Tad kt66 premium matched - tad,

Tad kt66 premium matched - tad,

$93.95
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Matched pair gec cv1075 - matched,

Matched pair gec cv1075 - matched,

$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 tube - tube, nib

Rare mullard el37 tube - tube, nib

$225.00
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Electronic kt66 beam power - jj,

Electronic kt66 beam power - jj,

$99.99
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Matched pair tube - matched,

Matched pair tube - matched,

$128.00
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Brand new tung - brand, reissue

Brand new tung - brand, reissue

$160.00
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Nos platinum match - nos,

Nos platinum match - nos,

$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 - cv1947,

Brimar 6l6g cv1947 kt66 - cv1947,

$390.00
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Matched quad tube - tube, amp

Matched quad tube - tube, amp

$256.00
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Gec kt66 british old - gec, stock

Gec kt66 british old - gec, stock

$250.75
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Kt66 cv1075 gec nos - kt66,

Kt66 cv1075 gec nos - kt66,

$665.25
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Gec kt66 nos vintage - kt66,

Gec kt66 nos vintage - kt66,

$475.00
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Sunvalley mono blocks tubes - blocks,

Sunvalley mono blocks tubes - blocks,

$1795.00
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Matched quad kt77 power - quad,

Matched quad kt77 power - quad,

$90.00
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Platinum factory match - match, quad

Platinum factory match - match, quad

$258.00
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Kt66 lve vintage retro - lve,

Kt66 lve vintage retro - lve,

$201.23
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Kt66 cv1075 gec matched - kt66,

Kt66 cv1075 gec matched - kt66,

$672.50
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Genalex gold lion kt66 vacuum - genalex,

Genalex gold lion kt66 vacuum - genalex,

$325.00
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Genalex gold lion kt66 - lion, new

Genalex gold lion kt66 - lion, new

$285.00
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Genalex gold lion - gold, power

Genalex gold lion - gold, power

$24.95
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Pair tad rt824 kt66 vacuum - kt66,

Pair tad rt824 kt66 vacuum - kt66,

$85.00
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Kt66 gold tad - kt66,

Kt66 gold tad - kt66,

$100.88
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Matched pair gec cv1075 - pair,

Matched pair gec cv1075 - pair,

$650.00
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New matched pair - pair, kt77

New matched pair - pair, kt77

$59.99
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Kt88c vacuum tube - kt88c,

Kt88c vacuum tube - kt88c,

$335.00
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Tad premium selected factory - tad,

Tad premium selected factory - tad,

$299.00
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Relco mullard genalex - genalex, nib

Relco mullard genalex - genalex, nib

$1495.00
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Kewtech kt66dl 1 - kewtech, 12-in-1

Kewtech kt66dl 1 - kewtech, 12-in-1

$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 - 7581a,

7581a kt66 6l6gc power tube - 7581a,

$75.00
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Pair kt66 power vacuum - power,

Pair kt66 power vacuum - power,

$111.90
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Kt66 grey glass - grey, quad

Kt66 grey glass - grey, quad

$935.00
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Gec kt66 pair - pair, tubes

Gec kt66 pair - pair, tubes

$398.00
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Rare nos 6l6 - nos, german

Rare nos 6l6 - nos, german

$249.64
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Sovtek tube tv7 test - sovtek,

Sovtek tube tv7 test - sovtek,

$40.00
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Marconi kt66 tubes quad nos - kt66,

Marconi kt66 tubes quad nos - kt66,

$2799.00
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Genalex gold lion - gold, kt66

Genalex gold lion - gold, kt66

$120.00
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Relco genalex tube - relco,

Relco genalex tube - relco,

$600.00
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Kt66 genalex gold - lion, matched

Kt66 genalex gold - lion, matched

$259.00
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6p3s tubes matched - tubes,

6p3s tubes matched - tubes,

$69.00
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Kt66 ars replaces - 1,

Kt66 ars replaces - 1,

$40.95
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Kt66 electronic matched - jj,

Kt66 electronic matched - jj,

$114.58
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Rare italian vintage mullard - italian,

Rare italian vintage mullard - italian,

$212.54
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Kt66 power vacuum - jj,

Kt66 power vacuum - jj,

$55.95
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Strong genelex gold - genelex, kt66

Strong genelex gold - genelex, kt66

$149.99
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Kt66 electronic matched - jj,

Kt66 electronic matched - jj,

$57.79
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Quad kt66 power vacuum - quad, of

Quad kt66 power vacuum - quad, of

$223.80
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Tube amp higher temp - tube, dampers

Tube amp higher temp - tube, dampers

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

Rft 6l6 6l6gc - 6l6gc, 6l6g

$279.00
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Matched pair vacuum - pair, tube

Matched pair vacuum - pair, tube

$119.61
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Vintage genalex gec - -,

Vintage genalex gec - -,

$249.00
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Clean super matched - 2,

Clean super matched - 2,

$179.00
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Genalex gold lion kt66 - gold, new

Genalex gold lion kt66 - gold, new

$132.50
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Ruby kt66c kt66 audio power - kt66c,

Ruby kt66c kt66 audio power - kt66c,

$250.00
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Kt66 marshall premium - kt66, matched

Kt66 marshall premium - kt66, matched

$211.32
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Kt66 lve vintage - lve, style

Kt66 lve vintage - lve, style

$100.07
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Lot kt66 tubes - of,

Lot kt66 tubes - of,

$3750.00
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Brand new tung sol reissue - brand,

Brand new tung sol reissue - brand,

$107.54
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Genalex gold lion - genalex,

Genalex gold lion - genalex,

$246.98
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Vintagenos usa 7027a - 1x,

Vintagenos usa 7027a - 1x,

$349.00
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New reissue genalex - genalex, gold

New reissue genalex - genalex, gold

$71.97
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10pc 8pin octal - 10pc,

10pc 8pin octal - 10pc,

$31.85
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Tube amp dampers - tube, for

Tube amp dampers - tube, for

$12.99
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Kt66 guitar tubes matched - kt66, pm

Kt66 guitar tubes matched - kt66, pm

$79.25
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2pcs matched audio tube vacuum - 2pcs,

2pcs matched audio tube vacuum - 2pcs,

$248.99
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Electron tube tubes new - kt-66, tubes,

Electron tube tubes new - kt-66, tubes,

$400.00
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Shuguang kt66 z treasure - shuguang,

Shuguang kt66 z treasure - shuguang,

$107.80
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New current matched - current, (2)

New current matched - current, (2)

$150.77
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Genalex gold lion kt66 6l6 - lion,

Genalex gold lion kt66 6l6 - lion,

$55.00
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Vintagenos cv1947 stc - cv1947,

Vintagenos cv1947 stc - cv1947,

$1049.00
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Nos marconi osram - mwt, kt66

Nos marconi osram - mwt, kt66

$277.97
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Genalex gold lion kt66 new - genalex,

Genalex gold lion kt66 new - genalex,

$69.50
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Vintagenos sylvania 6l6g - 1x,

Vintagenos sylvania 6l6g - 1x,

$949.00
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Kt66 tube amp - tube, premium

Kt66 tube amp - tube, premium

$50.95
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Brand new tung - brand, reissue

Brand new tung - brand, reissue

$51.32
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New current matched quad - current, (4)

New current matched quad - current, (4)

$305.12
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Kt66 genalex gold lion - kt66,

Kt66 genalex gold lion - kt66,

$129.50
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Genalex gold lion - genalex,

Genalex gold lion - genalex,

$67.95
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Genalex gold lion kt66 - lion, power

Genalex gold lion kt66 - lion, power

$358.77
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Dualdiscgetter 6l6gc - dualdiscgetter,

Dualdiscgetter 6l6gc - dualdiscgetter,

$275.00
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Vacuum tube shuguang - vacuum,

Vacuum tube shuguang - vacuum,

$29.89
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Kt66 marconi pair - used, issue

Kt66 marconi pair - used, issue

$370.23
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Vintage genalex gec - genalex, /

Vintage genalex gec - genalex, /

$269.00
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Kt66 6l6 sovtek - kt66,

Kt66 6l6 sovtek - kt66,

$36.00
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Brand new tung sol - new, reissue

Brand new tung sol - new, reissue

$105.73
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1961 genalex kt66 - kt66, amplifier

1961 genalex kt66 - kt66, amplifier

$231.74
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Quad genalex gold lion - of,

Quad genalex gold lion - of,

$271.80
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New reissue genalex gold - new,

New reissue genalex gold - new,

$75.42
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Kt66 6l6 sovtek tube - 6l6, gray

Kt66 6l6 sovtek tube - 6l6, gray

$40.50
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Mullard kt88 power vacuum - mullard,

Mullard kt88 power vacuum - mullard,

$300.00
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Genalex gold lion - custom, tube

Genalex gold lion - custom, tube

$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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