Kt66

4

Kt66 for sale on largest auction and classifieds sites

Home / / Kt66 refurbished & used for sale | For Sale USA
Emitron genalex tube - kt-66,

Emitron genalex tube - kt-66,

$150.00
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Genalex gold lion - kt66, power

Genalex gold lion - kt66, power

$99.99
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Tad kt66 premium matched - tad,

Tad kt66 premium matched - tad,

$93.95
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Pair mullard kt66 vacuum tubes - vacuum,

Pair mullard kt66 vacuum tubes - vacuum,

$399.00
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Matched pair gec cv1075 - gec,

Matched pair gec cv1075 - gec,

$650.00
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Vacuum tubes valves kt66 - kt66, ef86

Vacuum tubes valves kt66 - kt66, ef86

$500.00
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Sovtek tubes 4 pack - kt-66,

Sovtek tubes 4 pack - kt-66,

$144.00
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Gec kt66 british old - british, in

Gec kt66 british old - british, in

$250.75
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Lot kt66 tubes - lot, of

Lot kt66 tubes - lot, of

$3750.00
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Nos platinum match - match, kt66

Nos platinum match - match, kt66

$400.00
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Genalex gold lion kt66 power - gold,

Genalex gold lion kt66 power - gold,

$24.95
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Platinum factory match - factory, quad

Platinum factory match - factory, quad

$219.30
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Sunvalley mono blocks - sunvalley,

Sunvalley mono blocks - sunvalley,

$1795.00
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Genalex gold lion - genalex, tube

Genalex gold lion - genalex, tube

$234.45
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Kt88c vacuum tube - ,

Kt88c vacuum tube - ,

$335.00
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Mullard kt88 power vacuum - mullard,

Mullard kt88 power vacuum - mullard,

$300.00
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Electronic kt66 beam power - electronic,

Electronic kt66 beam power - electronic,

$99.99
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Genalex gold lion kt66 power - lion,

Genalex gold lion kt66 power - lion,

$129.99
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Rare nos 6l6gc tube grey - nos,

Rare nos 6l6gc tube grey - nos,

$60.00
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Brimar 6l6g cv1947 kt66 - 6l6g, nos

Brimar 6l6g cv1947 kt66 - 6l6g, nos

$390.00
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Kt66 lve vintage retro style - kt66,

Kt66 lve vintage retro style - kt66,

$200.13
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Genalex gold lion kt66 - gold,

Genalex gold lion kt66 - gold,

$120.00
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Brand new tung sol - new, reissue

Brand new tung sol - new, reissue

$160.00
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Matched pair gec cv1075 - matched, (2pcs)

Matched pair gec cv1075 - matched, (2pcs)

$650.00
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Genalex gold lion - genalex, kt66

Genalex gold lion - genalex, kt66

$325.00
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Marconi kt66 tubes quad - kt66,

Marconi kt66 tubes quad - kt66,

$2799.00
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Kt66 grey glass - kt66,

Kt66 grey glass - kt66,

$1100.00
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Nos marconi osram mwt - marconi,

Nos marconi osram mwt - marconi,

$277.97
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Relco mullard genalex - kt66, nib

Relco mullard genalex - kt66, nib

$1495.00
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Electron tube tubes - electron, new

Electron tube tubes - electron, new

$400.00
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Matched pair vacuum - pair, tube

Matched pair vacuum - pair, tube

$119.61
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Matched quad tube amp - matched,

Matched quad tube amp - matched,

$256.00
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Rare nos 6l6 - rare, german

Rare nos 6l6 - rare, german

$249.64
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Sovtek tube tv7 - kt-66, gt

Sovtek tube tv7 - kt-66, gt

$40.00
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Pair tad rt824 - rt824, kt66

Pair tad rt824 - rt824, kt66

$85.00
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Matched quad gec cv1075 - quad, (4pcs)

Matched quad gec cv1075 - quad, (4pcs)

$1250.00
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Gec kt66 nos vintage pair - gec,

Gec kt66 nos vintage pair - gec,

$475.00
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Vintage crosley kt66 push pull - vintage,

Vintage crosley kt66 push pull - vintage,

$499.99
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Genalex gold lion kt66 new - lion,

Genalex gold lion kt66 new - lion,

$132.50
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Vintagenos sylvania 6l6g - sylvania,

Vintagenos sylvania 6l6g - sylvania,

$949.00
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7581a kt66 6l6gc power - 6l6gc, tube

7581a kt66 6l6gc power - 6l6gc, tube

$75.00
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Vintage genalex gec - 1,

Vintage genalex gec - 1,

$249.00
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Kt66 electronic matched - jj,

Kt66 electronic matched - jj,

$57.79
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Kt66 6l6 sovtek - 6l6, tube

Kt66 6l6 sovtek - 6l6, tube

$36.00
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Kt66 genalex gold - kt66,

Kt66 genalex gold - kt66,

$129.50
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Vintage genalex gec - /,

Vintage genalex gec - /,

$269.00
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Tube amp higher temp dampers - 4,

Tube amp higher temp dampers - 4,

$22.99
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Tube amp dampers for - 4,

Tube amp dampers for - 4,

$12.99
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Nos 1959 pair - pair, close

Nos 1959 pair - pair, close

$179.99
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Kt66 6l6 sovtek - gt, tube

Kt66 6l6 sovtek - gt, tube

$40.50
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Kt66 osram black coated - kt66,

Kt66 osram black coated - kt66,

$599.00
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Genalex gold lion kt66 - lion,

Genalex gold lion kt66 - lion,

$274.99
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Rca 6l6gc 7581a - 6l6gc/7581a, /kt66

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

$45.00
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6l6gc kt66 general electric - 6l6gc/kt66,

6l6gc kt66 general electric - 6l6gc/kt66,

$349.99
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Clean super matched pair - matched,

Clean super matched pair - matched,

$179.00
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Kt66 guitar tubes matched - guitar,

Kt66 guitar tubes matched - guitar,

$79.25
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Tad kt66 premium - tad,

Tad kt66 premium - tad,

$49.95
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Amplifier tubes kt66 - tubes, gz34

Amplifier tubes kt66 - tubes, gz34

$250.00
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Kt66 genalex gold lion matched - kt66,

Kt66 genalex gold lion matched - kt66,

$259.00
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Kt66 ars replaces - ,

Kt66 ars replaces - ,

$40.95
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Genalex gold lion - genalex,

Genalex gold lion - genalex,

$69.50
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6p3s tubes matched quad - matched,

6p3s tubes matched quad - matched,

$69.00
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Rare italian vintage mullard - italian,

Rare italian vintage mullard - italian,

$212.54
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New reissue genalex - new, gold

New reissue genalex - new, gold

$71.97
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Octet genalex gold - octet,

Octet genalex gold - octet,

$543.60
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Brand new tung - brand, reissue

Brand new tung - brand, reissue

$51.32
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Brand new tung sol - brand, reissue

Brand new tung sol - brand, reissue

$105.73
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Genalex gold lion kt66 - gold,

Genalex gold lion kt66 - gold,

$285.00
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Ruby kt66c kt66 audio power - ruby,

Ruby kt66c kt66 audio power - ruby,

$250.00
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Kt66 tube amp doctor premium - amp,

Kt66 tube amp doctor premium - amp,

$50.95
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Genalex gold lion - lion, kt66

Genalex gold lion - lion, kt66

$55.00
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Kt66 cv1075 gec - kb/z, matched

Kt66 cv1075 gec - kb/z, matched

$663.75
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Kt66 lve vintage retro style - kt66,

Kt66 lve vintage retro style - kt66,

$100.07
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Genalex gold lion kt66 - gold,

Genalex gold lion kt66 - gold,

$246.98
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Matched quad kt77 power - quad,

Matched quad kt77 power - quad,

$95.00
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New tung sol 7581a kt66 - 7581a,

New tung sol 7581a kt66 - 7581a,

$178.00
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Vintagenos 6l6g - 1x,

Vintagenos 6l6g - 1x,

$949.00
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Strong genelex gold - strong, lion

Strong genelex gold - strong, lion

$149.99
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Genalex gold lion kt66 - -,

Genalex gold lion kt66 - -,

$67.95
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Rft 6l6 6l6gc 6l6g - rft,

Rft 6l6 6l6gc 6l6g - rft,

$279.00
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Matched pair shuguang - pair,

Matched pair shuguang - pair,

$89.99
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6l6gc kt66 general - 6l6gc/kt66,

6l6gc kt66 general - 6l6gc/kt66,

$299.99
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Shuguang kt66 z treasure - 2, x

Shuguang kt66 z treasure - 2, x

$107.80
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Kt66 power vacuum - power, tube

Kt66 power vacuum - power, tube

$55.95
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Kt66 shuguang matched pair - kt66-z,

Kt66 shuguang matched pair - kt66-z,

$107.60
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2pcs matched audio tube - 2pcs,

2pcs matched audio tube - 2pcs,

$248.99
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Kewtech kt66dl 1 - kt66dl, 12-in-1

Kewtech kt66dl 1 - kt66dl, 12-in-1

$799.99
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New current matched - current, (2)

New current matched - current, (2)

$150.77
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Kt66 cv1075 gec - cv1075, nos

Kt66 cv1075 gec - cv1075, nos

$665.25
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1set quad value amplifier - ii,

1set quad value amplifier - ii,

$16.50
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New current matched quad - new,

New current matched quad - new,

$305.12
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Brand new tung sol - new, reissue

Brand new tung sol - new, reissue

$107.54
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Platinum factory match 6pcs - platinum,

Platinum factory match 6pcs - platinum,

$308.79
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Gec kt66 cv1075 matched pair - gec,

Gec kt66 cv1075 matched pair - gec,

$1380.00
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Tad premium selected factory - selected,

Tad premium selected factory - selected,

$299.00
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Genalex gold lion kt88 - genalex,

Genalex gold lion kt88 - genalex,

$175.00
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📊96 listings · from $12.99 · avg $358.57

Browse 96 kt66 listings currently in our index. Prices range from $12.99 to $3750, with an average of $358.57. 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 $358.57 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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