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6550 tube

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6550 tube for sale on largest auction and classifieds sites

Home / Specialized Computing / 6550 tube refurbished & used for sale | For Sale UK
Matched pair 6550 6550a - ge,

Matched pair 6550 6550a - ge,

£149.00
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Brand new matched - quad, (4)

Brand new matched - quad, (4)

£312.70
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Matched new svetlana - -,

Matched new svetlana - -,

£146.30
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Marshall 6550 vacuum tube - marshall,

Marshall 6550 vacuum tube - marshall,

£52.70
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Matched pair 6550b svetlana - pair, 6550b-3

Matched pair 6550b svetlana - pair, 6550b-3

£150.00
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6550 6550b svetlana nos - 6550, 6550b-3

6550 6550b svetlana nos - 6550, 6550b-3

£50.00
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6550c svetlana sed - svetlana,

6550c svetlana sed - svetlana,

£160.00
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6550wa 6550 golden - 6550wa, dragon

6550wa 6550 golden - 6550wa, dragon

£85.00
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6550 6550c golden dragon - golden,

6550 6550c golden dragon - golden,

£85.00
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6550 6550c selected matched - 6550c, pm

6550 6550c selected matched - 6550c, pm

£85.00
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6550a black base used - black,

6550a black base used - black,

£75.00
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Sv6550c valve tube - tube, x2

Sv6550c valve tube - tube, x2

£104.70
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Good matched pair tungsol - good,

Good matched pair tungsol - good,

£116.45
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New harma retro 6550a - harma,

New harma retro 6550a - harma,

£104.70
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Golden dragon 6550a kt88 - golden,

Golden dragon 6550a kt88 - golden,

£39.00
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6550we sovtek russia matched - sovtek,

6550we sovtek russia matched - sovtek,

£120.00
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6550a brown base nos - brown,

6550a brown base nos - brown,

£150.00
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Strong tested tungsol - ,

Strong tested tungsol - ,

£149.31
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6550 date matched pair - date,

6550 date matched pair - date,

£139.75
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Matched pair 6550 nos - matched,

Matched pair 6550 nos - matched,

£130.00
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Golden dragon 6550a kt88 - dragon, (kt88

Golden dragon 6550a kt88 - dragon, (kt88

£39.00
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Single vintage philips ecg - vintage,

Single vintage philips ecg - vintage,

£90.00
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Very strong tested - (1),

Very strong tested - (1),

£149.31
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6550 valve matched - 4,

6550 valve matched - 4,

£219.12
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Svetlana 6550 nos year - nos,

Svetlana 6550 nos year - nos,

£94.30
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Philips ecg 6550 kt88 - philips,

Philips ecg 6550 kt88 - philips,

£59.00
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Golden dragon 6550a kt88 - dragon,

Golden dragon 6550a kt88 - dragon,

£39.00
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New matched quad svetlana - matched, (4)

New matched quad svetlana - matched, (4)

£189.70
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6550 ars tube valve - tube,

6550 ars tube valve - tube,

£45.94
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Matched pair shuguang - pair,

Matched pair shuguang - pair,

£156.69
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Shuguang vacuum tubes 6550a - tubes,

Shuguang vacuum tubes 6550a - tubes,

£283.69
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Golden dragon 6550a - dragon, (kt88

Golden dragon 6550a - dragon, (kt88

£39.00
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Matched pair svetlana - matched,

Matched pair svetlana - matched,

£159.95
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6550wa sovtek new - ,

6550wa sovtek new - ,

£60.00
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Very strong tungsol made - ,

Very strong tungsol made - ,

£134.38
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Pin dual bias - dual, current

Pin dual bias - dual, current

£49.99
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One tung sol usa - one,,

One tung sol usa - one,,

£223.18
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6550 matched quad groove - matched,

6550 matched quad groove - matched,

£313.55
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Reflektor 1997 nos - kt-88,

Reflektor 1997 nos - kt-88,

£134.37
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2pcs shuguang 6550a matched - 2pcs,

2pcs shuguang 6550a matched - 2pcs,

£151.72
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6550a black base nos - 6550a,

6550a black base nos - 6550a,

£150.00
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Tungsol sylvania 6550 solid - tungsol/sylvania,

Tungsol sylvania 6550 solid - tungsol/sylvania,

£553.63
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6550 valve matched pair - 6550,

6550 valve matched pair - 6550,

£115.38
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Three electro harmonix 6550 - electro,

Three electro harmonix 6550 - electro,

£133.48
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Golden dragon 6550a kt88 - golden,

Golden dragon 6550a kt88 - golden,

£39.00
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Nos 6550a tubes - nos, ge

Nos 6550a tubes - nos, ge

£267.86
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20pcs vacuum tube - vacuum, silicone

20pcs vacuum tube - vacuum, silicone

£4.30
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Reflektor 1997 nos - kt-88,

Reflektor 1997 nos - kt-88,

£209.03
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Very strong matched ge - very,

Very strong matched ge - very,

£298.62
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Pin tube amp plate bias - amp,

Pin tube amp plate bias - amp,

£20.39
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6550a black base nos - base,

6550a black base nos - base,

£150.00
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Valve tube amp cathode - valve,

Valve tube amp cathode - valve,

£20.39
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Guitar amp power valves - power,

Guitar amp power valves - power,

£130.70
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6550 valve jj matched - 6550,

6550 valve jj matched - 6550,

£306.90
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Golden dragon 6550a kt88 - golden, (kt88

Golden dragon 6550a kt88 - golden, (kt88

£39.00
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Golden dragon 6550a kt88 - golden,

Golden dragon 6550a kt88 - golden,

£49.00
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Pin dual bias current probes - 8-pin,

Pin dual bias current probes - 8-pin,

£49.99
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Very strong matched - (4),

Very strong matched - (4),

£223.96
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6550a black base nos ge - ,

6550a black base nos ge - ,

£150.00
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6550wa sovtek new - ,

6550wa sovtek new - ,

£60.00
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Golden dragon 6550a kt88 - golden, (kt88

Golden dragon 6550a kt88 - golden, (kt88

£39.00
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10pcs k8a 8pin - 8pin, for

10pcs k8a 8pin - 8pin, for

£25.33
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Brand new matched - matched, (4)

Brand new matched - matched, (4)

£301.04
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6550a black base nos - black, ge

6550a black base nos - black, ge

£150.00
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Factory platium matched pair - platium,

Factory platium matched pair - platium,

£110.59
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6550 nos tung sol ddd - 6550, getter

6550 nos tung sol ddd - 6550, getter

£203.43
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Matched trio 6550a - matched,

Matched trio 6550a - matched,

£319.95
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6550a black base nos ge - ,

6550a black base nos ge - ,

£150.00
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Matched pair psvane kt88 - 1,

Matched pair psvane kt88 - 1,

£156.77
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New matched octet svetlana - (8),

New matched octet svetlana - (8),

£375.18
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Genalex gold lion kt88 6550 - kt88,

Genalex gold lion kt88 6550 - kt88,

£44.95
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6550wa colomor sovtek - colomor,

6550wa colomor sovtek - colomor,

£60.00
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2pcs psvane - 2pcs,

2pcs psvane - 2pcs,

£149.99
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6550wa colomor sovtek a - 6550wa,

6550wa colomor sovtek a - 6550wa,

£60.00
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One new box tung sol - box,,

One new box tung sol - box,,

£409.82
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Gzc8 ceramic pcb - gzc8-y-3-g,

Gzc8 ceramic pcb - gzc8-y-3-g,

£6.52
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Rare gec 1959 - *rare*,

Rare gec 1959 - *rare*,

£399.95
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Pin octal fixed - 8,

Pin octal fixed - 8,

£5.50
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Sovtek 6550we electron tube - sovtek,

Sovtek 6550we electron tube - sovtek,

£165.00
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6550c svetlana winged - c, st

6550c svetlana winged - c, st

£450.00
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Sylvania 6550 od3 6146a - 6550,,

Sylvania 6550 od3 6146a - 6550,,

£149.30
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2pcs matched psvane classic - matched,

2pcs matched psvane classic - matched,

£109.08
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Brand new matched octet - octet, (8)

Brand new matched octet - octet, (8)

£590.54
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6550 gec one - 6550,

6550 gec one - 6550,

£207.33
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New tung sol 6550 - new,

New tung sol 6550 - new,

£54.47
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New matched pair tung sol - pair, tung-sol

New matched pair tung sol - pair, tung-sol

£114.18
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2pcs shuguang 6550b vacuum - 2pcs,

2pcs shuguang 6550b vacuum - 2pcs,

£56.16
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Vintage early tungsol - vintage,

Vintage early tungsol - vintage,

£312.65
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Quad genalex kt88 - genalex,

Quad genalex kt88 - genalex,

£895.86
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6550a factory matched - ge,

6550a factory matched - ge,

£388.20
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Brand new plate current - new,

Brand new plate current - new,

£137.38
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Valve art kt88 vacuum - vacuum, tubes

Valve art kt88 vacuum - vacuum, tubes

£142.44
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Single tube 6550 - , (china)

Single tube 6550 - , (china)

£60.71
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Matched quad genalex gold - matched,

Matched quad genalex gold - matched,

£212.73
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6550a factory matched pair - 6550a,

6550a factory matched pair - 6550a,

£388.20
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One new tube kt88 - 1, genalex

One new tube kt88 - 1, genalex

£186.64
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📊96 listings · from £4.3 · avg £162.47
⚠️ These listings were last updated more than 16 days ago. Search for fresh listings

Browse 96 6550 tube listings currently in our index. Prices range from £4.3 to £895.86, with an average of £162.47. 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 6550 tube →

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Everything you need to know about 6550 tube

Whether you are looking for a brand-new or second-hand 6550 tube, 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 £4.3, while premium listings can reach £895.86 — giving you a wide budget spread to work with. The average price of £162.47 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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