Gec kt88
Gec kt88 for sale on Ireland's largest auction and classifieds sites
Trio gec kt88 valves - gec, valves. - £873.70
Here have sale • Trio genuine gec • There were quad - Free postage - New and Used
Here have sale • Trio genuine gec • There were quad - Free postage - New and Used
Rare gec kt88 cv5220 - cv5220, black - £200.00
Rare kt88 cv5220 • Valve tube gec • British made black - Free postage - New and Used
Rare kt88 cv5220 • Valve tube gec • British made black - Free postage - New and Used
Matched pair same batch - pair, - £465.70
Matched pair gec • Kt88 6550 triple • Getter black plate - Free postage - New and Used
Matched pair gec • Kt88 6550 triple • Getter black plate - Free postage - New and Used
Matched pair gec kt88 - pair, 6550 - £384.95
Matched pair gec • Kt88 6550 triple • Getter black plate - Free postage - New and Used
Matched pair gec • Kt88 6550 triple • Getter black plate - Free postage - New and Used
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Matched quad gec kt88 - matched, - £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
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48 listings · from £9.95 · avg £824.65
⚠️ These listings were last updated more than 9 days ago.
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Browse 48 gec kt88 listings currently in our index. Prices range from £9.95 to £3500, with an average of £824.65. 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 gec kt88 →
Matched pair gec kt88 - gec, - £400.00
Gec british made • Matched pair kt88 • Cv5220 valves tubes - Free postage - New and Used
Gec british made • Matched pair kt88 • Cv5220 valves tubes - Free postage - New and Used
Rare nos gold - 2x, lion - £720.70
Gold lion kt88 • Valves nos specification • This valve has - Free postage - New and Used
Gold lion kt88 • Valves nos specification • This valve has - Free postage - New and Used
Matched pair gec - gec, kt88 - £400.00
Gec british made • Matched pair kt88 • Cv5220 valves tubes - Free postage - New and Used
Gec british made • Matched pair kt88 • Cv5220 valves tubes - Free postage - New and Used
Matched pair gec - pair, - £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
Matched quad 1960s gec - gec, / - £644.20
All date code • That denotes 1967 • Year manufacture just - Free postage - New and Used
All date code • That denotes 1967 • Year manufacture just - Free postage - New and Used
Kt88 gec nos - gec, matched - £1400.00
Matched pair tubes • New unused boxed - Free postage - New and Used
Matched pair tubes • New unused boxed - Free postage - New and Used
Rare gec 1959 kt88 6550 - 1959, - £399.95
Tested also amplifier • Sounded lush rich • Noise avo nos - Free postage - New and Used
Tested also amplifier • Sounded lush rich • Noise avo nos - Free postage - New and Used
Kt88 valve - (electronic, - £83.90
Gec general electric • Dusty places - Free postage - New and Used
Gec general electric • Dusty places - Free postage - New and Used
Kt88 gec nos boxed - nos, matched - £3500.00
Matched quad valves • Matching date codes • New unused boxed - Free postage - New and Used
Matched quad valves • Matching date codes • New unused boxed - Free postage - New and Used
Kt88 gec used tube - gec, - £180.00
Kt88 gec used • Will receive piece • Audio pentode our - Free postage - New and Used
Kt88 gec used • Will receive piece • Audio pentode our - Free postage - New and Used
Pair 1960s gec kt88 triple - pair, of - £414.70
Genuine 1960s gec • Kt88s values photos • Tested avo vcm - Free postage - New and Used
Genuine 1960s gec • Kt88s values photos • Tested avo vcm - Free postage - New and Used
Gec replica kt88 top - kt88, - £80.00
Gec replica kt88 • Valve tube one • More item from - Free postage - New and Used
Gec replica kt88 • Valve tube one • More item from - Free postage - New and Used
Gec kt88 6550 - kt88, plate - £1332.00
These tubes are • Carefully tested bias • Checker see last - Free postage - New and Used
These tubes are • Carefully tested bias • Checker see last - Free postage - New and Used
Kt88 gec used - old, valve - £150.00
This valve all • Parcels value gbp20 • Over you buy - Free postage - New and Used
This valve all • Parcels value gbp20 • Over you buy - Free postage - New and Used
Nos matched pair same - same, batch - £924.70
Finest kt88 silky • Holographic midrange you • Using chinese russian - Free postage - New and Used
Finest kt88 silky • Holographic midrange you • Using chinese russian - Free postage - New and Used
Kt88 gec gold lion - lion, hammersmith - £400.00
Valve tube test • All parcels value • Ofgbp20 over 7.2 - Free postage - New and Used
Valve tube test • All parcels value • Ofgbp20 over 7.2 - Free postage - New and Used
6550 gec one used - 6550, - £206.42
Consideration one used • Pair 6550 gec • England you are - Free postage - New and Used
Consideration one used • Pair 6550 gec • England you are - Free postage - New and Used
Gec kt88 matched quad - quad, tv7 - £1147.25
- Free postage - New and Used
- Free postage - New and Used
Nos nib gec black - nib, - £371.27
This real original • Valve gec kt88 • Was tested our - Free postage - New and Used
This real original • Valve gec kt88 • Was tested our - Free postage - New and Used
Rare pair genalex gec kt88 - gec, - £891.07
This very rare • Pair matched genalex • Gec kt88 6550 - Free postage - New and Used
This very rare • Pair matched genalex • Gec kt88 6550 - Free postage - New and Used
Gec data application report - data, - £9.95
Gec data application • Report amplifier circuits • Kt88 december 1978 - Free postage - New and Used
Gec data application • Report amplifier circuits • Kt88 december 1978 - Free postage - New and Used
Gec data report - report, 88 - £9.95
Gec data report • Beam tetrode issue • December 1974 - Free postage - New and Used
Gec data report • Beam tetrode issue • December 1974 - Free postage - New and Used
Gec kt88 vacuum tube - vacuum, - £1398.06
Gec kt88 vacuum • Tube set box • Can source anything - Free postage - New and Used
Gec kt88 vacuum • Tube set box • Can source anything - Free postage - New and Used
Gec kt88 vacuum tube - kt88, pair - £1067.91
Rare unused gec • Kt88 vacuum tube • Pair box can - Free postage - New and Used
Rare unused gec • Kt88 vacuum tube • Pair box can - Free postage - New and Used
Gec kt88 vacuum tube - vacuum, - £668.30
Gec kt88 vacuum • Tube condition tested • This item excellent - Free postage - New and Used
Gec kt88 vacuum • Tube condition tested • This item excellent - Free postage - New and Used
Genalex gec kt88 6550 clear - gec, - £969.55
These tubes are • Carefully tested min • Good 100 91ma - Free postage - New and Used
These tubes are • Carefully tested min • Good 100 91ma - Free postage - New and Used
Gec kt88 vacuum tube - kt88, - £1291.88
Will provide courteous • Responsive service - Free postage - New and Used
Will provide courteous • Responsive service - Free postage - New and Used
Gec kt88 pair audio - gec, - £608.69
Example insert model • Number here min • Value tube tests - Free postage - New and Used
Example insert model • Number here min • Value tube tests - Free postage - New and Used
Gec kt88 vacuum tube - vacuum, 2 - £535.70
There are further • Costs beyond checkout • Price - Free postage - New and Used
There are further • Costs beyond checkout • Price - Free postage - New and Used
Matched quad gec kt88 6550 - matched, - £2046.70
This product matched • Quad gec kt88 • 6550 vacuum tubes - Free postage - New and Used
This product matched • Quad gec kt88 • 6550 vacuum tubes - Free postage - New and Used
Sophia electric kt88 tube - sophia, - £148.50
Regarding amplifiers you • Are owner original • Leben 600 think - Free postage - New and Used
Regarding amplifiers you • Are owner original • Leben 600 think - Free postage - New and Used
Gec kt88 vacuum - gec, tube - £631.17
Yake 126.0ma 7.3ma • 13.8v 500v 50ma • Fixed triode 59v - Free postage - New and Used
Yake 126.0ma 7.3ma • 13.8v 500v 50ma • Fixed triode 59v - Free postage - New and Used
Gec genelex kt88 pair - genelex, - £404.69
These are legendary • Holy grail british • Kt88s known their - Free postage - New and Used
These are legendary • Holy grail british • Kt88s known their - Free postage - New and Used
Vintage matched pair - matched, - £480.72
Supplied new white • Bulk box - Free postage - New and Used
Supplied new white • Bulk box - Free postage - New and Used
Gec gold monarch - gold, kt88 - £2120.89
They sound wonderful • Hifi system super • Rare hard find - Free postage - New and Used
They sound wonderful • Hifi system super • Rare hard find - Free postage - New and Used
Marconi osram tt22 kt88 - tt22, ~ - £222.77
Marconi osram tt22 • Output vacuum tubes • Nos very little - Free postage - New and Used
Marconi osram tt22 • Output vacuum tubes • Nos very little - Free postage - New and Used
Gec kt88 vacuum tube matched - vacuum, - £2059.00
Products - Free postage - New and Used
Products - Free postage - New and Used
Gec kt88 vacuum tubes set - gec, - £1774.11
Model kt88 very • Good tested working • Vacuum tubes original - Free postage - New and Used
Model kt88 very • Good tested working • Vacuum tubes original - Free postage - New and Used
Luxman gec kt88 mono - luxman, - £2211.15
Point hand wiring • Employed throughout signal • Path tubes per - Free postage - New and Used
Point hand wiring • Employed throughout signal • Path tubes per - Free postage - New and Used
Gec genelex kt88 tube - tube, - £211.63
Tested good emissions • Brown base this • One classic early - Free postage - New and Used
Tested good emissions • Brown base this • One classic early - Free postage - New and Used
Gec kt88 pair - kt88, - £608.69
Example insert model • Number here min • Value tube tests - Free postage - New and Used
Example insert model • Number here min • Value tube tests - Free postage - New and Used
Gec kt 88 - (, - £891.06
Gec vacuum tube • Test this item • Used - Free postage - New and Used
Gec vacuum tube • Test this item • Used - Free postage - New and Used
Genalex gec kt88 - genalex, 6550 - £2201.70
They sound wonderful • 275 super rare • Hard find now - Free postage - New and Used
They sound wonderful • 275 super rare • Hard find now - Free postage - New and Used
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Everything you need to know about gec kt88
Whether you are looking for a brand-new or second-hand gec kt88, 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 £9.95, while premium listings can reach £3500 — giving you a wide budget spread to work with. The average price of £824.65 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.