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C2g 5mm extension stereo - c2g,

C2g 5mm extension stereo - c2g,

$100.99
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Utc t22 audio transformer - utc,

Utc t22 audio transformer - utc,

$7.49
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Pair tube pull of - pair,

Pair tube pull of - pair,

$100.00
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Thordarson 24s75 vintage - 24s75,

Thordarson 24s75 vintage - 24s75,

$20.00
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Audio vacuum tube chokes - chokes, &

Audio vacuum tube chokes - chokes, &

$29.99
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10pcs pack 600 - :, ohm

10pcs pack 600 - :, ohm

$9.60
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Gardners 7526 audio - mu,

Gardners 7526 audio - mu,

$250.00
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Aediko 10pcs audio - ee-14,

Aediko 10pcs audio - ee-14,

$13.99
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Nos thordarson 24s50 audio - 24s50,

Nos thordarson 24s50 audio - 24s50,

$24.99
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Hammond audio output - hammond,

Hammond audio output - hammond,

$119.99
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Excellent condition general - excellent,

Excellent condition general - excellent,

$79.99
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Thordarson 14c70 tone - 1,

Thordarson 14c70 tone - 1,

$24.95
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Utc a25 audio - utc,

Utc a25 audio - utc,

$190.00
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Triad ultrad 14a - ultrad, power

Triad ultrad 14a - ultrad, power

$148.88
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Triad 67j line audio - triad, a-67j

Triad 67j line audio - triad, a-67j

$69.00
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Brand new nos pair - pair, of

Brand new nos pair - pair, of

$150.00
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Heathkit push pull 6l6gc 6l6 - pull,

Heathkit push pull 6l6gc 6l6 - pull,

$149.95
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Triad a57 audio line - triad,

Triad a57 audio line - triad,

$167.00
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Vintage triad 56v - triad, hs-56v

Vintage triad 56v - triad, hs-56v

$138.75
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Arito audio lab japan single - audio,

Arito audio lab japan single - audio,

$199.95
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New the original carton - the,

New the original carton - the,

$29.99
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Utc audio transformer - ls,

Utc audio transformer - ls,

$450.00
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Vintage stancor 3823 audio - vintage,

Vintage stancor 3823 audio - vintage,

$44.99
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1940 nos vintage utc - 1940's, audio

1940 nos vintage utc - 1940's, audio

$50.00
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Merit 3020 motorola - a-3020,

Merit 3020 motorola - a-3020,

$10.00
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Utc a25 audio - a25,

Utc a25 audio - a25,

$175.00
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Vintage altec lansing potted - altec,

Vintage altec lansing potted - altec,

$199.00
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Utc a25 audio transformer - a25,

Utc a25 audio transformer - a25,

$175.00
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The british tube push - the,

The british tube push - the,

$100.00
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50w push pull - output,

50w push pull - output,

$360.00
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Filament transformer tube - filament,

Filament transformer tube - filament,

$49.95
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60w toroidal output - 60w,

60w toroidal output - 60w,

$138.00
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Radio shack miniature audio - radio,

Radio shack miniature audio - radio,

$19.99
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Pieces e19 transistor - 2,

Pieces e19 transistor - 2,

$16.95
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Utc audio transformer - 50,

Utc audio transformer - 50,

$385.00
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Vintage nos utc - vintage, audio

Vintage nos utc - vintage, audio

$349.99
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Vintage transformers for audio - transformers,

Vintage transformers for audio - transformers,

$350.00
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Microphone audio input - microphone,

Microphone audio input - microphone,

$24.50
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Pair jefferson microphone - pair, microphone/mc

Pair jefferson microphone - pair, microphone/mc

$149.00
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Utc audio transformer - utc,

Utc audio transformer - utc,

$125.00
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New the original - in,

New the original - in,

$24.99
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Jensen 8251 audio line - 8251,

Jensen 8251 audio line - 8251,

$75.00
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Precision single output - output, 6l6

Precision single output - output, 6l6

$29.95
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Applicable 6l 6c - applicable, 6p,

Applicable 6l 6c - applicable, 6p,

$330.00
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Vintage nathaniel baldwin - nathaniel,

Vintage nathaniel baldwin - nathaniel,

$50.00
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Nos hammond 804 mri - nos, input

Nos hammond 804 mri - nos, input

$99.99
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Tomiko audio output - se,

Tomiko audio output - se,

$215.00
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Enkor transformer ll6653 - enkor,

Enkor transformer ll6653 - enkor,

$47.00
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Lot nos chicago - lot,

Lot nos chicago - lot,

$35.00
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Unopened uca utc vintage - unopened, uca-36

Unopened uca utc vintage - unopened, uca-36

$75.00
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Rca type 712 audio - type, uv-712

Rca type 712 audio - type, uv-712

$30.00
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Utc audio transformers - utc,

Utc audio transformers - utc,

$200.00
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Pair james 6123 audio - pair, js-6123

Pair james 6123 audio - pair, js-6123

$850.00
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Thordarson 55253 audio - t-55253,

Thordarson 55253 audio - t-55253,

$8.00
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1950s utc audio - 1950s,

1950s utc audio - 1950s,

$99.95
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Saga elite speaker transformer - saga,

Saga elite speaker transformer - saga,

$16.99
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Thordarson 27501 audio output - 27501,

Thordarson 27501 audio output - 27501,

$25.00
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Vintage united transformer - vintage,

Vintage united transformer - vintage,

$50.00
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Vintage nos precision - vintage,

Vintage nos precision - vintage,

$25.00
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Adc a11088 audio - a11088,

Adc a11088 audio - a11088,

$38.00
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Transonic 78174 5595 - transonic, l-78174

Transonic 78174 5595 - transonic, l-78174

$39.99
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Utc audio transformer - utc,

Utc audio transformer - utc,

$111.20
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Hammond 1609 output - hammond,

Hammond 1609 output - hammond,

$89.95
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Bogen wmt1as matching - wmt1as,

Bogen wmt1as matching - wmt1as,

$28.00
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Ohm audio transformer - ee-14,

Ohm audio transformer - ee-14,

$22.24
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Vintage stancor 3825 - vintage,

Vintage stancor 3825 - vintage,

$60.00
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Utc tube audio 12 - utc,

Utc tube audio 12 - utc,

$48.49
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Biamp audio amplifier - biamp,

Biamp audio amplifier - biamp,

$8.99
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Philco audio output - philco,

Philco audio output - philco,

$22.95
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Yamaha brt 15k by - brt, altec

Yamaha brt 15k by - brt, altec

$149.00
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Rca xt2770 bridging - rca,

Rca xt2770 bridging - rca,

$200.00
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Edco usa 10k - usa, audio

Edco usa 10k - usa, audio

$29.98
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Ac110v 60hz 40w toroidal - ac110v/60hz,

Ac110v 60hz 40w toroidal - ac110v/60hz,

$26.99
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Nos vintage stancor - nos,

Nos vintage stancor - nos,

$49.00
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Shure microphone audio - shure,

Shure microphone audio - shure,

$29.50
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Vintage nos thordarson audio - vintage,

Vintage nos thordarson audio - vintage,

$30.00
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1920s all american audio - 1920s,

1920s all american audio - 1920s,

$39.95
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Cdk 70v 25v - cdk,

Cdk 70v 25v - cdk,

$19.00
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Milspec utc tube input - tube,

Milspec utc tube input - tube,

$70.00
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Utc 131 audio transformer - utc,

Utc 131 audio transformer - utc,

$150.00
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273 1379 vintage archer - vintage,

273 1379 vintage archer - vintage,

$17.99
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Stancor ttpc5 audio - stancor,

Stancor ttpc5 audio - stancor,

$15.99
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Vintage nos stancor - nos, a-8087

Vintage nos stancor - nos, a-8087

$6.99
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Pt285mi power transformer for - pt285mi-power,

Pt285mi power transformer for - pt285mi-power,

$99.95
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1927 crosley interstage - crosley,

1927 crosley interstage - crosley,

$39.95
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Vintage nos thordarson - vintage,

Vintage nos thordarson - vintage,

$15.00
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Triad 16a power transformer - r-16a,

Triad 16a power transformer - r-16a,

$129.95
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1920s stromberg carlson a - 1920s, 3-a

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

$37.95
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Utc plate line audio - a-24,

Utc plate line audio - a-24,

$349.99
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Stancor 8402 power - 8402,

Stancor 8402 power - 8402,

$130.00
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Vintage utc trw ouncer - utc,

Vintage utc trw ouncer - utc,

$130.00
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Vintage audio transformer lot - transformer,

Vintage audio transformer lot - transformer,

$24.99
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Vintage utc audio - vintage,

Vintage utc audio - vintage,

$50.00
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Triad magnetics 146p - magnetics, pc

Triad magnetics 146p - magnetics, pc

$19.98
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Vintage kenyon 264 input - t-264,

Vintage kenyon 264 input - t-264,

$149.00
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Samson audio frequency - samson,

Samson audio frequency - samson,

$55.00
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📊96 listings · from $6.99 · avg $104.38

Browse 96 audio transformer listings currently in our index. Prices range from $6.99 to $850, with an average of $104.38. 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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Everything you need to know about audio transformer

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 $6.99, while premium listings can reach $850 — giving you a wide budget spread to work with. The average price of $104.38 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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