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Thordarson 24s75 vintage - vintage, nos

Thordarson 24s75 vintage - vintage, nos

$20.00
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Pair tube pull - tube, of

Pair tube pull - tube, of

$99.00
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Vintage 1979 tamura tamradio - vintage,

Vintage 1979 tamura tamradio - vintage,

$149.00
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Microphone audio input - microphone,

Microphone audio input - microphone,

$24.50
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Hammond audio output - hammond,

Hammond audio output - hammond,

$119.99
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Vintage sescom 136a mic - sescom,

Vintage sescom 136a mic - sescom,

$69.95
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Radio shack miniature - shack,

Radio shack miniature - shack,

$19.99
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Utc t22 audio transformer - do-t22,

Utc t22 audio transformer - do-t22,

$7.49
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10pcs pack 600 ohm - 10pcs/pack,

10pcs pack 600 ohm - 10pcs/pack,

$10.30
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The britisht type - britisht,

The britisht type - britisht,

$98.00
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Audio vacuum tube chokes - vacuum,

Audio vacuum tube chokes - vacuum,

$29.99
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Philco 8407 tube - 32-8407, output

Philco 8407 tube - 32-8407, output

$40.00
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Tube power transformer ham - power,

Tube power transformer ham - power,

$40.00
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Triad ultrad 14a - triad, r-14a

Triad ultrad 14a - triad, r-14a

$148.88
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Pair amorphous core - a,

Pair amorphous core - a,

$250.00
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60w toroidal output - toroidal,

60w toroidal output - toroidal,

$138.00
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50w push pull output tube - output,

50w push pull output tube - output,

$265.00
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Vintage utc audio - vintage,

Vintage utc audio - vintage,

$69.95
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1920s erla audio frequency - 1920s,

1920s erla audio frequency - 1920s,

$12.95
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Utc a39 audio transformer - utc,

Utc a39 audio transformer - utc,

$101.00
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Gardners 7526 audio - gardners,

Gardners 7526 audio - gardners,

$250.00
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Sescom audio transformer - sescom,

Sescom audio transformer - sescom,

$69.00
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Shure 90m2150 51a38 - 51a38,, 51c38

Shure 90m2150 51a38 - 51a38,, 51c38

$19.99
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Vintage 1948 radio receptor - radio, co

Vintage 1948 radio receptor - radio, co

$39.98
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Vintage 243p1 549940 - 549940, audio

Vintage 243p1 549940 - 549940, audio

$10.00
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Altec model 15335a 15k - altec,

Altec model 15335a 15k - altec,

$149.00
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Utc audio transformer - audio,

Utc audio transformer - audio,

$110.00
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Vintage nos utc audio - vintage,

Vintage nos utc audio - vintage,

$329.99
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Sescom 32 audio - pc,

Sescom 32 audio - pc,

$50.00
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Antique songbird transformer - transformer,

Antique songbird transformer - transformer,

$39.95
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Vintage audio output - vintage,

Vintage audio output - vintage,

$49.99
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Hammond 1609 output - hammond,

Hammond 1609 output - hammond,

$89.95
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Vintage nos utc - utc, s-6

Vintage nos utc - utc, s-6

$50.00
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Edco usa 10k audio tube - usa,

Edco usa 10k audio tube - usa,

$29.98
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Nos adc 308g output - adc,

Nos adc 308g output - adc,

$59.99
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Saga elite speaker transformer - saga,

Saga elite speaker transformer - saga,

$16.99
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Lot nos utc united - of,

Lot nos utc united - of,

$59.00
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Thordarson 22s109 10w audio - thordarson,

Thordarson 22s109 10w audio - thordarson,

$35.99
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Vintage nos thordarson - nos,

Vintage nos thordarson - nos,

$22.00
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Vintage sachsenwerk type - type, 3688

Vintage sachsenwerk type - type, 3688

$49.99
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Nos nib utc - nos, to

Nos nib utc - nos, to

$49.00
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Ei14 audio coupling isolation - ei14,

Ei14 audio coupling isolation - ei14,

$10.69
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Vintage edgerton germeshausen - edgerton,

Vintage edgerton germeshausen - edgerton,

$39.95
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Jensen 8251 audio - je, line

Jensen 8251 audio - je, line

$75.00
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Precision single output - precision, 6l6

Precision single output - precision, 6l6

$29.95
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New old stock - old, rca

New old stock - old, rca

$10.00
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Pieces e19 transistor radio - pieces,

Pieces e19 transistor radio - pieces,

$16.95
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Nos hammond 804 - hammond, input

Nos hammond 804 - hammond, input

$89.99
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Utc audio transformer - utc, o-01

Utc audio transformer - utc, o-01

$125.00
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Transformer audio input mike - audio, input/mike

Transformer audio input mike - audio, input/mike

$10.00
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Vintage quam tbl - tbl-70,

Vintage quam tbl - tbl-70,

$15.98
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Vintage audio transformer lot - vintage,

Vintage audio transformer lot - vintage,

$24.99
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1950s utc audio interstage - 1950s,

1950s utc audio interstage - 1950s,

$99.95
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Lot vintage audio - of,

Lot vintage audio - of,

$70.00
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Aediko 10pcs audio - ee-14,

Aediko 10pcs audio - ee-14,

$13.99
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Unopened uca utc - uca-36, utc-36

Unopened uca utc - uca-36, utc-36

$75.00
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Nos adc audio development - audio, co

Nos adc audio development - audio, co

$24.99
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1927 crosley interstage audio - interstage,

1927 crosley interstage audio - interstage,

$39.95
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Modern toledo ohio 110 - modern,

Modern toledo ohio 110 - modern,

$25.00
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Utc input interstage - input,

Utc input interstage - input,

$225.00
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Vintage utc 280 transistor - h-280,

Vintage utc 280 transistor - h-280,

$49.95
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Vintage audio interface - vintage,

Vintage audio interface - vintage,

$480.00
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Pair james 6123 - james, hs

Pair james 6123 - james, hs

$850.00
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Audio transformer 1300 - audio,

Audio transformer 1300 - audio,

$18.99
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Trw bit 250 40 - 3, )

Trw bit 250 40 - 3, )

$12.95
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Vintage audio transformer - vintage,

Vintage audio transformer - vintage,

$25.00
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Vintage thermador 3181 - vintage,

Vintage thermador 3181 - vintage,

$30.09
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Utc transformer audio - ls-88,

Utc transformer audio - ls-88,

$60.00
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Vintage thordarson 24s53 audio - 24s53,

Vintage thordarson 24s53 audio - 24s53,

$28.95
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Cdk 70v 25v audio line - 25v,

Cdk 70v 25v audio line - 25v,

$19.00
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Atlas sound lot p n - atlas, p/n

Atlas sound lot p n - atlas, p/n

$50.00
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Utc lot qty 4 - utc, 1:30

Utc lot qty 4 - utc, 1:30

$60.00
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Vintage kenyon s22139 audio - kenyon,

Vintage kenyon s22139 audio - kenyon,

$75.00
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1920s all american audio - all,

1920s all american audio - all,

$39.95
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Two 1920s interstage - two,

Two 1920s interstage - two,

$49.95
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Nos crestran audio - crestran, output

Nos crestran audio - crestran, output

$29.99
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New the original carton - in,

New the original carton - in,

$24.99
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Lot nos vintage honeywell - of, 4

Lot nos vintage honeywell - of, 4

$24.98
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1920s stromberg carlson a - 1920s, 3-a

1920s stromberg carlson a - 1920s, 3-a

$37.95
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Nos thordarson 24s50 audio - nos,

Nos thordarson 24s50 audio - nos,

$24.99
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Vintage nos precision - vintage,

Vintage nos precision - vintage,

$25.00
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Tomiko audio output - 5k,

Tomiko audio output - 5k,

$216.00
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Thordarson 14c70 tone - thordarson, t-14c70

Thordarson 14c70 tone - thordarson, t-14c70

$24.95
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Nob calrad 788 - nob, 45-788

Nob calrad 788 - nob, 45-788

$34.99
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Adc audio transformer - adc,

Adc audio transformer - adc,

$25.00
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The power transformer for - the, tube

The power transformer for - the, tube

$129.99
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1920s 1 jefferson - 5,

1920s 1 jefferson - 5,

$37.95
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Utc type cgu audio output - cgu-3,

Utc type cgu audio output - cgu-3,

$45.00
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Halldorson audio vacuum - (2),

Halldorson audio vacuum - (2),

$129.00
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Nos utc interstage audio - 2,

Nos utc interstage audio - 2,

$90.00
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Vintage thordarson 46215 - thordarson, t-46215

Vintage thordarson 46215 - thordarson, t-46215

$30.00
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Stancor 8402 power - stancor,

Stancor 8402 power - stancor,

$130.00
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Excellent condition general - condition,

Excellent condition general - condition,

$79.99
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Nos phoenix transformer - phoenix,

Nos phoenix transformer - phoenix,

$35.00
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Vintage all american - vintage, all-american

Vintage all american - vintage, all-american

$70.40
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Sengterbelle 15w audio - sengterbelle,

Sengterbelle 15w audio - sengterbelle,

$55.00
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📊96 listings · from $7.49 · avg $77.79

Browse 96 audio transformer listings currently in our index. Prices range from $7.49 to $850, with an average of $77.79. 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 audio transformer →

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Whether you are looking for a brand-new or second-hand audio transformer, 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 $7.49, while premium listings can reach $850 — giving you a wide budget spread to work with. The average price of $77.79 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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