6550 tube
6550 tube for sale on Ireland's largest auction and classifieds sites
6550 nos tungsol - 6550, - £60.00
6550 nos tungsol • Russian valve tubes - Free postage - New and Used
6550 nos tungsol • Russian valve tubes - Free postage - New and Used
Matched pair 6550 - matched, - £130.00
- Free postage - New and Used
- Free postage - New and Used
Matched pair 6550b svetlana - matched, 6550b-3 - £150.00
- Free postage - New and Used
- Free postage - New and Used
Nos nib testing national - (2), - £112.53
Nos nib tested • National 6550 kt88 • Blackplate audio tubes - Free postage - New and Used
Nos nib tested • National 6550 kt88 • Blackplate audio tubes - Free postage - New and Used
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6550c svetlana winged nos - svetlana, c' - £240.00
6550c svetlana winged • Version new unused • Boxed matched pair - Free postage - New and Used
6550c svetlana winged • Version new unused • Boxed matched pair - Free postage - New and Used
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48 listings · from £45 · avg £173.97
Browse 48 6550 tube listings currently in our index. Prices range from £45 to £789.95, with an average of £173.97. 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 →
6550a black base used ge - , - £75.00
- Free postage - New and Used
- Free postage - New and Used
Rare matched pair svetlana - rare, - £250.00
Rare matched pair • Winged 6550c 6550 • Valves tubes svetlana - Free postage - New and Used
Rare matched pair • Winged 6550c 6550 • Valves tubes svetlana - Free postage - New and Used
Matched quad linlai kt88 - matched, - £205.99
Kt88 droplet shaped • Appearance design adopts • Titanium screen anode - Free postage - New and Used
Kt88 droplet shaped • Appearance design adopts • Titanium screen anode - Free postage - New and Used
Matched quad gec - kt88, 6550 - £789.95
Matched quad gec • Kt88 6550 triple • Getter black plate - Free postage - New and Used
Matched quad gec • Kt88 6550 triple • Getter black plate - Free postage - New and Used
6550a black base - 6550a, - £150.00
- Free postage - New and Used
- Free postage - New and Used
6550wd sovtek tube - , - £54.01
6550wd sovtek tube • Tested pair - Free postage - New and Used
6550wd sovtek tube • Tested pair - Free postage - New and Used
Set electro harmonix - set, of - £200.00
Set used electro • Harmonix 6550 power • Tube tested avo - Free postage - New and Used
Set used electro • Harmonix 6550 power • Tube tested avo - Free postage - New and Used
6550a black base nos ge - , - £150.00
- Free postage - New and Used
- Free postage - New and Used
Ars 6550 tube valve - ars, - £45.94
6550 power tube • Valve tested strong - Free postage - New and Used
6550 power tube • Valve tested strong - Free postage - New and Used
Matched quad linlai kt88 - matched, - £191.99
Quantity four tubes • Kt88 matched quad - Free postage - New and Used
Quantity four tubes • Kt88 matched quad - Free postage - New and Used
Matched quad tung sol 6550 - matched, - £168.79
6550 power tubes • Result incredibly dynamic • Open sound that - Free postage - New and Used
6550 power tubes • Result incredibly dynamic • Open sound that - Free postage - New and Used
6550 6550b svetlana - 6550, - £75.00
6550b svetlana price • One tube only • Clear top disc - Free postage - New and Used
6550b svetlana price • One tube only • Clear top disc - Free postage - New and Used
Quad ge general - ge, electric - £262.57
Amplitrex at1000 tested • Was holding this • Set 110ma 9970 - Free postage - New and Used
Amplitrex at1000 tested • Was holding this • Set 110ma 9970 - Free postage - New and Used
Svetlana 6550 nos year - svetlana, - £94.30
Svetlana 6550 nos • Year manufacture 1995 • 1994 - Free postage - New and Used
Svetlana 6550 nos • Year manufacture 1995 • 1994 - Free postage - New and Used
6550wa sovtek new - sovtek, old - £60.00
6550wa sovtek test • Results this valve • All parcels value - Free postage - New and Used
6550wa sovtek test • Results this valve • All parcels value - Free postage - New and Used
Nos nib matched - nib, ge - £232.56
Great any audio • Amplifier these tubes • Are what audiophile - Free postage - New and Used
Great any audio • Amplifier these tubes • Are what audiophile - Free postage - New and Used
6550a black base nos ge - base, - £150.00
- Free postage - New and Used
- Free postage - New and Used
New matched quad - quad, (4) - £190.62
Tubes are tested • New plate current • Matched quad svetlana - Free postage - New and Used
Tubes are tested • New plate current • Matched quad svetlana - Free postage - New and Used
Good tungsol 6550 black plate - good, - £150.03
Pictures show available • Pieces these were • Tested our triplett - Free postage - New and Used
Pictures show available • Pieces these were • Tested our triplett - Free postage - New and Used
Pin dual bias current - current, probes - £49.99
Ct1 box douk • Audio order measure • Cathode current power - Free postage - New and Used
Ct1 box douk • Audio order measure • Cathode current power - Free postage - New and Used
Matched pair gec 1959 - matched, - £649.95
Tested also amplifier • They sounded lush • Rich noise avo - Free postage - New and Used
Tested also amplifier • They sounded lush • Rich noise avo - Free postage - New and Used
6550c golden dragon amplifier - 6550c, - £55.00
Golden dragon • Power tube 6550c • Valve range manufactured - Free postage - New and Used
Golden dragon • Power tube 6550c • Valve range manufactured - Free postage - New and Used
Vintage tung sol - -, jan - £112.53
This one tests • Good has strong • Printing take look - Free postage - New and Used
This one tests • Good has strong • Printing take look - Free postage - New and Used
Electro harmonix 6550 power - electro-harmonix, eh - £94.30
Electric guitar amps • Electro harmonix 6550 • Power tube single - Free postage - New and Used
Electric guitar amps • Electro harmonix 6550 • Power tube single - Free postage - New and Used
1pcs 6550 6550a tested - 1pcs, - £152.40
1pcs not1pair 6550 • 6550a matched tested • Vacuum tube nos - Free postage - New and Used
1pcs not1pair 6550 • 6550a matched tested • Vacuum tube nos - Free postage - New and Used
Phillips ecg 6550 metal - base, 3 - £90.02
Test results will • Vary between testers • Not exact science - Free postage - New and Used
Test results will • Vary between testers • Not exact science - Free postage - New and Used
6550a black base - , - £150.00
- Free postage - New and Used
- Free postage - New and Used
General electric 6550a - general, - £240.02
Tube number 6550a • Quantity tubes condition • Tested strong - Free postage - New and Used
Tube number 6550a • Quantity tubes condition • Tested strong - Free postage - New and Used
6550a black base nos - 6550a, - £150.00
- Free postage - New and Used
- Free postage - New and Used
Matched pair shuguang kt88 - matched, kt88-98 - £76.52
- Free postage - New and Used
- Free postage - New and Used
6550 valve matched pair - valve, - £115.38
6550 valve much • Sought after guitar • Highly regarded guitarists - Free postage - New and Used
6550 valve much • Sought after guitar • Highly regarded guitarists - Free postage - New and Used
New matched octet svetlana - matched, - £377.01
Tubes are tested • New plate current • Matched octet svetlana - Free postage - New and Used
Tubes are tested • New plate current • Matched octet svetlana - Free postage - New and Used
Tung sol 6550 nos made - 6550, st - £500.00
Tung sol rca • 6550 triple getter • Original usa made - Free postage - New and Used
Tung sol rca • 6550 triple getter • Original usa made - Free postage - New and Used
Vintage tung sol jan - tung-sol, - £150.00
Jan military spec • Grey plate triple • Halo getters fully - Free postage - New and Used
Jan military spec • Grey plate triple • Halo getters fully - Free postage - New and Used
6550a brown base - , ge - £150.00
- Free postage - New and Used
- Free postage - New and Used
Matched pair sylvania 6550 - of, - £135.03
Fine pair sylvania • 6550 tubes both • Feature welded plates - Free postage - New and Used
Fine pair sylvania • 6550 tubes both • Feature welded plates - Free postage - New and Used
Svetlana sv6550c audio - svetlana, - £45.00
Used condition original • Packaging see photos • More details bzp - Free postage - New and Used
Used condition original • Packaging see photos • More details bzp - Free postage - New and Used
6550wa colomor sovtek b - sovtek, - £60.00
6550wa colomor sovtek • Test results this • Valve all parcels - Free postage - New and Used
6550wa colomor sovtek • Test results this • Valve all parcels - Free postage - New and Used
General electric 6550a - -, - £240.02
Tube number 6550a • Quantity tubes condition • Tested strong - Free postage - New and Used
Tube number 6550a • Quantity tubes condition • Tested strong - Free postage - New and Used
Matched pair ars china 6550 - ars, - £81.01
China 6550 getter • Power tubes maxi • Matcher tested nos - Free postage - New and Used
China 6550 getter • Power tubes maxi • Matcher tested nos - Free postage - New and Used
Tung sol 6550 - 6550, power - £181.54
Tung sol • Powerful punchy tubes • Are ideal replacement - Free postage - New and Used
Tung sol • Powerful punchy tubes • Are ideal replacement - Free postage - New and Used
Closely matched pair electro - closely, - £81.20
Electro harmonix closely • Matched pair tested • Very strong close - Free postage - New and Used
Electro harmonix closely • Matched pair tested • Very strong close - Free postage - New and Used
Tad premium selected factory - tad, - £224.31
Red base kt88 • Our favourite tube • 6550 class very - Free postage - New and Used
Red base kt88 • Our favourite tube • 6550 class very - Free postage - New and Used
Try this: 6l6 tube | 807 valve | black white portable tv | ecc83 valve | ez81 valve | ferrograph reel reel | garrard plinth | gec kt88 | glass valve | grundig tape recorder
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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 48 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 £45, while premium listings can reach £789.95 — giving you a wide budget spread to work with. The average price of £173.97 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.