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12au7

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Home / / 12au7 refurbished & used for sale | For Sale USA
Rca 12au7 tube pair - 12au7, (circa

Rca 12au7 tube pair - 12au7, (circa

$19.00
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1950s rca usa 12au7a - rca,

1950s rca usa 12au7a - rca,

$180.00
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1957 raytheon 12au7 - raytheon, 12au7/ecc82

1957 raytheon 12au7 - raytheon, 12au7/ecc82

$44.95
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Matched pair 1963 mullard - 1963,

Matched pair 1963 mullard - 1963,

$49.95
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1959 sylvania 12au7 platinum - sylvania,

1959 sylvania 12au7 platinum - sylvania,

$39.95
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Pair rca 12au7 preamp - pair, of

Pair rca 12au7 preamp - pair, of

$10.00
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Matched pair rca 12au7 - pair,

Matched pair rca 12au7 - pair,

$54.99
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Vintage rca 12au7a platinum - vintage,

Vintage rca 12au7a platinum - vintage,

$34.95
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Tung sol 12au7a tubes - tung-sol,

Tung sol 12au7a tubes - tung-sol,

$22.50
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Daystrom ecc82 12au7 - daystrom,

Daystrom ecc82 12au7 - daystrom,

$59.95
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Pair vintage 1960s - pair, (2)

Pair vintage 1960s - pair, (2)

$20.95
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Matched lot - of, (3)

Matched lot - of, (3)

$99.95
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Vintage nos sylvania jan - nos,

Vintage nos sylvania jan - nos,

$39.95
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Pair raytheon japan 12au7 - raytheon,

Pair raytheon japan 12au7 - raytheon,

$49.50
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Three vintage philips jan - vintage,

Three vintage philips jan - vintage,

$65.00
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Rca 12au7 ecc82 - made, vacuum

Rca 12au7 ecc82 - made, vacuum

$18.95
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Matched pair rca 12au7 - rca, long

Matched pair rca 12au7 - rca, long

$49.99
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Conn sylvania 12au7 vintage - 12au7,

Conn sylvania 12au7 vintage - 12au7,

$14.95
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1958 sylvania 12au7 ecc82 - sylvania,

1958 sylvania 12au7 ecc82 - sylvania,

$44.95
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Matched pair rca 12au7 long - matched,

Matched pair rca 12au7 long - matched,

$49.99
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Lot ten 12au7 - ten, /

Lot ten 12au7 - ten, /

$38.00
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Pair 12au7a tubes mullard - tubes,,

Pair 12au7a tubes mullard - tubes,,

$80.00
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Telefunken 12au7 ecc82 tube - telefunken,

Telefunken 12au7 ecc82 tube - telefunken,

$75.00
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Nos nib ecc82 12au7 - 2, ei

Nos nib ecc82 12au7 - 2, ei

$45.00
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Matched pair rca 12au7 ecc82 - matched,

Matched pair rca 12au7 ecc82 - matched,

$44.95
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Amperex orange globe - 1, &

Amperex orange globe - 1, &

$7.95
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Amperex12au7a audio preamp - amperex12au7a,

Amperex12au7a audio preamp - amperex12au7a,

$100.00
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1950s rca usa - usa, ecc82

1950s rca usa - usa, ecc82

$359.99
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Nos ecc82 12au7 bugle boy - ecc82, bugle-boy

Nos ecc82 12au7 bugle boy - ecc82, bugle-boy

$749.99
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1957 mullard 12au7 - mullard,

1957 mullard 12au7 - mullard,

$150.00
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Ecc82 12au7 raytheon usa - raytheon,

Ecc82 12au7 raytheon usa - raytheon,

$239.99
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Matched pair westinghouse - pair,

Matched pair westinghouse - pair,

$32.99
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12au7 ecc82 telefunken - 12au7/ecc82,

12au7 ecc82 telefunken - 12au7/ecc82,

$299.99
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One 1971 rca clear - one, clear-top

One 1971 rca clear - one, clear-top

$28.95
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Nos nib good rca - good,

Nos nib good rca - good,

$150.00
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Telefunken 12au7 ecc82 - telefunken,

Telefunken 12au7 ecc82 - telefunken,

$249.99
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Matched raytheon 12au7a - matched,

Matched raytheon 12au7a - matched,

$42.95
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Qty 12au7 6189 - qty, 1

Qty 12au7 6189 - qty, 1

$4.95
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12au7 ecc82 rca black plate - ecc82, black-plate

12au7 ecc82 rca black plate - ecc82, black-plate

$359.99
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Nos rca usa 12au7a ecc82 - rca,

Nos rca usa 12au7a ecc82 - rca,

$198.00
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Tung sol 12au7w vacuum - tung-sol, tube

Tung sol 12au7w vacuum - tung-sol, tube

$49.99
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Matched pair amperex bugle - amperex,

Matched pair amperex bugle - amperex,

$185.00
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1952 12au7 ecc82 - 1952, 12au7/ecc82

1952 12au7 ecc82 - 1952, 12au7/ecc82

$34.95
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Pair 1950s tung sol black - pair,

Pair 1950s tung sol black - pair,

$48.95
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Vintage rca 12au7 - amp, vacuum

Vintage rca 12au7 - amp, vacuum

$14.50
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Mullard ecc82 12au7a matching - ,

Mullard ecc82 12au7a matching - ,

$140.00
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Lot vintage 12au7 ecc82 - vintage,

Lot vintage 12au7 ecc82 - vintage,

$50.00
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Lot 35x 12au7 - 12au7, /

Lot 35x 12au7 - 12au7, /

$59.99
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Pair mullard 12au7 - pair, gray

Pair mullard 12au7 - pair, gray

$69.00
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Lightly used matched 5814 - used,

Lightly used matched 5814 - used,

$29.98
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Pair 1959 1960 raytheon usa - raytheon,

Pair 1959 1960 raytheon usa - raytheon,

$20.95
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New mullard ecc82 12au7 - new, vacuum

New mullard ecc82 12au7 - new, vacuum

$23.95
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Mullard ecc82 12au7 - mullard,

Mullard ecc82 12au7 - mullard,

$40.00
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12au7 tube lot various - lot,

12au7 tube lot various - lot,

$26.00
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Mullard iec 12au7a ecc82 - (2),

Mullard iec 12au7a ecc82 - (2),

$109.99
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Philips ecg 5814a - 5814a, 12au7

Philips ecg 5814a - 5814a, 12au7

$40.00
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Matched pair tung sol 12au7a - matched,

Matched pair tung sol 12au7a - matched,

$34.99
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Matched pair raytheon - pair,

Matched pair raytheon - pair,

$42.95
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Electronics 12au7 ecc82 - jj,

Electronics 12au7 ecc82 - jj,

$39.99
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Matched balanced nec 12au7 - matched,

Matched balanced nec 12au7 - matched,

$99.99
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12au7a 12au7 tube - ,

12au7a 12au7 tube - ,

$6.00
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6680 12au7a vacuum tung sol - 12au7a, tung-sol

6680 12au7a vacuum tung sol - 12au7a, tung-sol

$10.00
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Sylvania 12au7 vacuum tubes - a,

Sylvania 12au7 vacuum tubes - a,

$49.50
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Matched pair mullard - pair,

Matched pair mullard - pair,

$130.00
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Mullard 12au7a matching - mullard,

Mullard 12au7a matching - mullard,

$100.00
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Matched pair 12au7a unbranded - matched,

Matched pair 12au7a unbranded - matched,

$19.95
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Pair ecc802s - of,

Pair ecc802s - of,

$16.09
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New genalex gold - 1x,

New genalex gold - 1x,

$50.95
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Telefunken ecc82 - (2),

Telefunken ecc82 - (2),

$175.00
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Nos nib matched pair - nos,

Nos nib matched pair - nos,

$99.00
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Strong usa made - 12au7/a,

Strong usa made - 12au7/a,

$29.99
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Early matched pair 12au7a - matched,

Early matched pair 12au7a - matched,

$14.99
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Mullard made ecc82 12au7 - made, ecc82/12au7

Mullard made ecc82 12au7 - made, ecc82/12au7

$240.00
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Ken rad 12au7 matching pair - matching,

Ken rad 12au7 matching pair - matching,

$200.00
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New rca jrc - new,,

New rca jrc - new,,

$448.95
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TELEFUNKEN-MULLARD

TELEFUNKEN-MULLARD

$34.95
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Pair sylvania 12au7a ecc82 - sylvania,

Pair sylvania 12au7a ecc82 - sylvania,

$45.00
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Sylvania gold brand 6201 - sylvania, gb-6201

Sylvania gold brand 6201 - sylvania, gb-6201

$30.00
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Rca 12au7a long black plate - 12au7a, d

Rca 12au7a long black plate - 12au7a, d

$17.99
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Sylvania usn chs 5963 matched - usn,

Sylvania usn chs 5963 matched - usn,

$7.49
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Rare 110 telefunken - ,

Rare 110 telefunken - ,

$150.00
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Rare raytheon 5814 12au7 ecc82 - rare, 5814/12au7/ecc82

Rare raytheon 5814 12au7 ecc82 - rare, 5814/12au7/ecc82

$29.75
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Nos very rare telefunken - very,

Nos very rare telefunken - very,

$475.00
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Vintage rca 12au7a vacuum - 12au7a, tube

Vintage rca 12au7a vacuum - 12au7a, tube

$21.95
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Mullard 12au7 1961 branded - mullard, 12au7-1961-62

Mullard 12au7 1961 branded - mullard, 12au7-1961-62

$78.00
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1950 rca usa 12au7 - 1950's, ecc82

1950 rca usa 12au7 - 1950's, ecc82

$180.00
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Pair 12au7 ecc82 amperex - (2),

Pair 12au7 ecc82 amperex - (2),

$149.00
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Tung sol 12au7a - 12au7a, matching

Tung sol 12au7a - 12au7a, matching

$50.00
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Qty empty white - 25,

Qty empty white - 25,

$19.95
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Matched pair sylvania 12au7a - pair,

Matched pair sylvania 12au7a - pair,

$39.95
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Rca 6189 12au7wa ruggedized - rca,

Rca 6189 12au7wa ruggedized - rca,

$90.00
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1972 philips 12au7 ecc82 - 1972,

1972 philips 12au7 ecc82 - 1972,

$69.91
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Vacuum tube 12au7 - tube, 12au7--lot

Vacuum tube 12au7 - tube, 12au7--lot

$20.00
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Tested rca 12au7a tube - (1),

Tested rca 12au7a tube - (1),

$14.95
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True nos pair gold mica - nos,

True nos pair gold mica - nos,

$112.46
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Pcs new ecc82 12au7 - new, ecc82/12au7/

Pcs new ecc82 12au7 - new, ecc82/12au7/

$49.00
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📊96 listings · from $4.95 · avg $90.27

Browse 96 12au7 listings currently in our index. Prices range from $4.95 to $749.99, with an average of $90.27. 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 12au7 →

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Everything you need to know about 12au7

Whether you are looking for a brand-new or second-hand 12au7, 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 $4.95, while premium listings can reach $749.99 — giving you a wide budget spread to work with. The average price of $90.27 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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