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Kt66

4

Kt66 for sale on largest auction and classifieds sites

Home / Specialized Computing / Kt66 refurbished & used for sale | For Sale UK
Gec kt66 tinted - kt66,

Gec kt66 tinted - kt66,

£70.00
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Cherished number kt66hum kt66 - cherished,

Cherished number kt66hum kt66 - cherished,

£669.70
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Osram kt66 beam - kt66, tetrode

Osram kt66 beam - kt66, tetrode

£200.00
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Vintage woden kt66 valve - vintage,

Vintage woden kt66 valve - vintage,

£389.20
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Kt66 valve electron - valve, /

Kt66 valve electron - valve, /

£275.00
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Kt66 valve electron tube - valve, gec

Kt66 valve electron tube - valve, gec

£275.00
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Kt66 lve vintage retro style - kt66,

Kt66 lve vintage retro style - kt66,

£75.00
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Matched pair osram - matched, of

Matched pair osram - matched, of

£420.00
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Osram cv321 kt66 matched - osram,

Osram cv321 kt66 matched - osram,

£249.99
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Gec kt66 electronic tube - kt66,

Gec kt66 electronic tube - kt66,

£75.00
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Kt66 original marshall spares - original,

Kt66 original marshall spares - original,

£60.00
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Kt66 lve vintage retro style - kt66,

Kt66 lve vintage retro style - kt66,

£150.00
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Kt66 gec new and unused - unused, from

Kt66 gec new and unused - unused, from

£129.00
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Sovtek 1622 kt66 beam tetrode - sovtek,

Sovtek 1622 kt66 beam tetrode - sovtek,

£40.00
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Pin dual bias current - bias,

Pin dual bias current - bias,

£49.99
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Marconi kt66 grey glass black - glass,,

Marconi kt66 grey glass black - glass,,

£44.00
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Kt66 original marshall spares - original,

Kt66 original marshall spares - original,

£120.00
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Kt66 genalex factory matched - factory,

Kt66 genalex factory matched - factory,

£127.95
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Mullard el34 valve - mullard,

Mullard el34 valve - mullard,

£190.00
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Matched pair kt66 - matched, new

Matched pair kt66 - matched, new

£80.00
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Marconi kt66 cv1075 - marconi,

Marconi kt66 cv1075 - marconi,

£49.99
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Matched pair gec kt66 - matched,

Matched pair gec kt66 - matched,

£260.70
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Marconi osram gec kt66 - osram,

Marconi osram gec kt66 - osram,

£50.00
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Gec kt66 vacuum tube - kt66, valve

Gec kt66 vacuum tube - kt66, valve

£75.00
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Rare vintage osram gec kt - *rare*, kt-66

Rare vintage osram gec kt - *rare*, kt-66

£199.95
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Kt66 gold tad - kt66, original

Kt66 gold tad - kt66, original

£75.00
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Marconi kt66 tubes quad - kt66,

Marconi kt66 tubes quad - kt66,

£2097.26
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Kewtech kt66dl 1 - kewtech,

Kewtech kt66dl 1 - kewtech,

£822.70
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Gec kt66 tube pair - gec, same

Gec kt66 tube pair - gec, same

£1066.24
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Kewtech 1 multifunction - kewtech, 12-in-1

Kewtech 1 multifunction - kewtech, 12-in-1

£1434.70
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Gec kt66 early - smoked, glass

Gec kt66 early - smoked, glass

£1108.95
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Golden dragon kt66 super - dragon,

Golden dragon kt66 super - dragon,

£120.00
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Kt66 valves matched pair - jj,

Kt66 valves matched pair - jj,

£139.32
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Matched pair marconi gec - pair, /

Matched pair marconi gec - pair, /

£299.95
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Tung sol kt66 vacuum tubes - vacuum,

Tung sol kt66 vacuum tubes - vacuum,

£105.32
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Grampian 462 kt66 valve - grampian,

Grampian 462 kt66 valve - grampian,

£295.00
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Vintage nos gec brown - vintage,

Vintage nos gec brown - vintage,

£149.95
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Valve tube boxes size - tube,

Valve tube boxes size - tube,

£6.00
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Gec kt66 early - gec,

Gec kt66 early - gec,

£1108.95
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5881 6l6 kt66 pair - kt66, tested

5881 6l6 kt66 pair - kt66, tested

£69.95
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Vintage usa valve tube - tube, 8

Vintage usa valve tube - tube, 8

£3.80
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Kt66 professional vacuum - kt66,

Kt66 professional vacuum - kt66,

£59.80
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Kt66 osram valve grey glass - kt66,

Kt66 osram valve grey glass - kt66,

£55.00
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Kt66 valves matched quad - valves,

Kt66 valves matched quad - valves,

£267.00
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Vintage nos osram - nos, brown

Vintage nos osram - nos, brown

£199.95
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Vintage nos osram - osram, /gec

Vintage nos osram - osram, /gec

£174.95
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Mullard el34 valve tube - el34, x3

Mullard el34 valve tube - el34, x3

£190.00
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Kt66 matched pair - kt66, new

Kt66 matched pair - kt66, new

£120.00
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Kt66 quad vintage top - quad,

Kt66 quad vintage top - quad,

£549.00
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Valve tube boxes size x10pcs - boxes, 4

Valve tube boxes size x10pcs - boxes, 4

£7.50
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Kt66 original marshall - original,

Kt66 original marshall - original,

£30.00
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Marconi kt66 amplifier - kt66,

Marconi kt66 amplifier - kt66,

£82.86
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Kt66 marconi mov twin - kt66, getters

Kt66 marconi mov twin - kt66, getters

£180.00
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Valve tube pin - tube, octal

Valve tube pin - tube, octal

£4.20
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Kt66 guitar tubes - guitar, matched

Kt66 guitar tubes - guitar, matched

£60.00
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Colomor kt66 nos - valve, tube

Colomor kt66 nos - valve, tube

£30.00
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Kt66 valve jj new - kt66, (tube)

Kt66 valve jj new - kt66, (tube)

£75.48
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Vintage nos osram brown - osram,

Vintage nos osram brown - osram,

£179.95
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Mullard 6l6g el35 kt66 - mullard,

Mullard 6l6g el35 kt66 - mullard,

£39.99
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Matched pair gec - kt-66, brown

Matched pair gec - kt-66, brown

£299.95
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Kt66 vintage vlaves - g.e.c,

Kt66 vintage vlaves - g.e.c,

£160.00
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Colomor kt66 nos valve tube - nos,

Colomor kt66 nos valve tube - nos,

£30.00
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Kewtech multifunction tester - kewtech,

Kewtech multifunction tester - kewtech,

£52.00
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Gec kt66 cv1075 2xo getters - kt66,

Gec kt66 cv1075 2xo getters - kt66,

£160.00
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Kt66 grey glass - glass, blk.

Kt66 grey glass - glass, blk.

£400.00
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Kt66 osram valve grey - osram,

Kt66 osram valve grey - osram,

£120.00
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Kt66 clear glass blk - glass, base

Kt66 clear glass blk - glass, base

£280.00
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Gec cv1075 kt66 twin halo - twin,

Gec cv1075 kt66 twin halo - twin,

£160.00
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Golden dragon kt66 - dragon, super

Golden dragon kt66 - dragon, super

£60.00
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Pair kt66 grey glass - ,

Pair kt66 grey glass - ,

£875.00
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Rare trix t621 - , kt66

Rare trix t621 - , kt66

£850.00
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Replacement valve kit - replacement, for

Replacement valve kit - replacement, for

£115.38
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Kt66 grey glass blk base - grey, blk.

Kt66 grey glass blk base - grey, blk.

£280.00
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Tungsram cv1075 kt66 used - cv1075,

Tungsram cv1075 kt66 used - cv1075,

£100.00
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Matched pair gec cv1075 - gec,

Matched pair gec cv1075 - gec,

£449.57
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6p3s tubes foton matched - matched, quad

6p3s tubes foton matched - matched, quad

£35.07
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Gec kt66 grey glass black - gec,

Gec kt66 grey glass black - gec,

£100.00
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Gec kt66 twin halo getters - , at

Gec kt66 twin halo getters - , at

£340.00
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Kt66 vt75 gec - vt75,

Kt66 vt75 gec - vt75,

£1000.00
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Gec kt66 twin halo - gec,

Gec kt66 twin halo - gec,

£340.00
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Kewtech calibration service - kewtech,

Kewtech calibration service - kewtech,

£35.02
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Gec kt66 twin halo getters - twin,

Gec kt66 twin halo getters - twin,

£340.00
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Gec kt66 grey smoke glass - grey,

Gec kt66 grey smoke glass - grey,

£120.00
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Osram gec kt66 grey smoke - kt66,

Osram gec kt66 grey smoke - kt66,

£120.00
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Kt66 used tubes one - kt66,

Kt66 used tubes one - kt66,

£218.58
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Vintage gec brown base - kt-66,

Vintage gec brown base - kt-66,

£134.95
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Tomiko audio output - audio,

Tomiko audio output - audio,

£193.32
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Gec kt66 grey smoke glass - gec,

Gec kt66 grey smoke glass - gec,

£100.00
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Kt66 gold tad original - kt66,

Kt66 gold tad original - kt66,

£150.00
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Kt66 clear glass blk - kt66, blk.

Kt66 clear glass blk - kt66, blk.

£325.00
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Gec kt66 grey smoke - , f

Gec kt66 grey smoke - , f

£120.00
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Kt66 gec twin halo - halo, getters

Kt66 gec twin halo - halo, getters

£180.00
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Marconi gec kt66 grey smoke - ,

Marconi gec kt66 grey smoke - ,

£120.00
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Gec kt66 matched pair - matched,

Gec kt66 matched pair - matched,

£274.22
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Gec kt66 tube - gec,

Gec kt66 tube - gec,

£527.79
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Vintage gec marconi osram - /,

Vintage gec marconi osram - /,

£650.00
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📊96 listings · from £3.8 · avg £264.06

Browse 96 kt66 listings currently in our index. Prices range from £3.8 to £2097.26, with an average of £264.06. 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 →

Try this: 6j1p | cv717 | 300b tube | 6550 tube | 6l6 tube | 807 valve | alinco transceiver | broadcast transmitter | dell poweredge 1600sc | ecc83 valve

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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 £3.8, while premium listings can reach £2097.26 — giving you a wide budget spread to work with. The average price of £264.06 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