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Audio transformer

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Home / / Audio transformer refurbished & used for sale | For Sale USA
C2g 5mm extension - c2g,

C2g 5mm extension - c2g,

$100.99
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Utc t22 audio transformer - do-t22,

Utc t22 audio transformer - do-t22,

$7.49
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Pair tube pull - a,

Pair tube pull - a,

$100.00
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Thordarson 24s75 vintage - vintage, nos

Thordarson 24s75 vintage - vintage, nos

$20.00
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Audio vacuum tube chokes - (3),

Audio vacuum tube chokes - (3),

$29.99
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10pcs pack 600 - :,

10pcs pack 600 - :,

$9.60
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Gardners 7526 audio - gardners,

Gardners 7526 audio - gardners,

$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 - 5w,

Nos thordarson 24s50 audio - 5w,

$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 - thordarson, t-14c70

Thordarson 14c70 tone - thordarson, t-14c70

$24.95
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Utc a25 audio transformer - a25,

Utc a25 audio transformer - a25,

$190.00
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Triad ultrad 14a power - ultrad, r-14a

Triad ultrad 14a power - ultrad, r-14a

$148.88
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Triad 67j line - line, audio

Triad 67j line - line, audio

$69.00
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Brand new nos pair - brand,

Brand new nos pair - brand,

$150.00
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Heathkit push pull - push,

Heathkit push pull - push,

$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 - audio, single

Arito audio lab - audio, single

$199.95
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New the original - in,

New the original - in,

$29.99
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Utc audio transformer - 10,

Utc audio transformer - 10,

$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 - nos,

1940 nos vintage utc - nos,

$50.00
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Merit 3020 motorola - merit, a-3020

Merit 3020 motorola - merit, a-3020

$10.00
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Utc a25 audio - a25, transformer

Utc a25 audio - a25, transformer

$175.00
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Vintage altec lansing potted - vintage,

Vintage altec lansing potted - vintage,

$199.00
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Utc a25 audio - utc, transformer

Utc a25 audio - utc, transformer

$175.00
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The british tube push - , push-pull

The british tube push - , push-pull

$100.00
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50w push pull output tube - ,

50w push pull output tube - ,

$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 - radio, audio

Radio shack miniature - radio, audio

$19.99
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Pieces e19 transistor radio - pieces,

Pieces e19 transistor radio - pieces,

$16.95
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Utc audio transformer - ls, 50

Utc audio transformer - ls, 50

$385.00
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Vintage nos utc audio - utc,

Vintage nos utc audio - utc,

$349.99
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Vintage transformers for audio - vintage,

Vintage transformers for audio - vintage,

$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, o-01

Utc audio transformer - utc, o-01

$125.00
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New the original carton - new,

New the original carton - new,

$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 - precision, 6l6

Precision single output - precision, 6l6

$29.95
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Applicable 6l 6c - applicable, to

Applicable 6l 6c - applicable, to

$330.00
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Vintage nathaniel baldwin - vintage,

Vintage nathaniel baldwin - vintage,

$50.00
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Nos hammond 804 - nos,

Nos hammond 804 - nos,

$99.99
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Tomiko audio output - (2),

Tomiko audio output - (2),

$215.00
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Enkor transformer ll6653 - enkor,

Enkor transformer ll6653 - enkor,

$47.00
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Lot nos chicago essex - 5,

Lot nos chicago essex - 5,

$35.00
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Unopened uca utc - unopened, vintage

Unopened uca utc - unopened, vintage

$75.00
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Rca type 712 audio - uv-712,

Rca type 712 audio - uv-712,

$30.00
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Utc audio transformers - a-20,

Utc audio transformers - a-20,

$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 interstage - utc,

1950s utc audio interstage - utc,

$99.95
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Saga elite speaker transformer - elite,

Saga elite speaker transformer - elite,

$16.99
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Thordarson 27501 audio output - audio,

Thordarson 27501 audio output - audio,

$25.00
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Vintage united transformer - united,

Vintage united transformer - united,

$50.00
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Vintage nos precision type - vintage,

Vintage nos precision type - vintage,

$25.00
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Adc a11088 audio transformer - a11088,

Adc a11088 audio transformer - a11088,

$38.00
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Transonic 78174 5595 - transonic, ts-5595

Transonic 78174 5595 - transonic, ts-5595

$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 - bogen,

Bogen wmt1as matching - bogen,

$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, a-3825

Vintage stancor 3825 - vintage, a-3825

$60.00
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Utc tube audio 12 watt - tube,

Utc tube audio 12 watt - tube,

$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 altec - yamaha,

Yamaha brt 15k by altec - yamaha,

$149.00
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Rca xt2770 bridging - rca,

Rca xt2770 bridging - rca,

$200.00
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Edco usa 10k audio - ,

Edco usa 10k audio - ,

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

Ac110v 60hz 40w - 40w, toroidal

$26.99
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Nos vintage stancor - nos,

Nos vintage stancor - nos,

$49.00
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Shure microphone audio input - audio,

Shure microphone audio input - audio,

$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 - american,

1920s all american audio - american,

$39.95
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Cdk 70v 25v audio - 25v, line

Cdk 70v 25v audio - 25v, line

$19.00
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Milspec utc tube input - utc(?),

Milspec utc tube input - utc(?),

$70.00
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Utc 131 audio transformer - cg-131,

Utc 131 audio transformer - cg-131,

$150.00
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273 1379 vintage archer - 273-1379,

273 1379 vintage archer - 273-1379,

$17.99
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Stancor ttpc5 audio - ttpc5,

Stancor ttpc5 audio - ttpc5,

$15.99
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Vintage nos stancor 8087 - stancor, a-8087

Vintage nos stancor 8087 - stancor, a-8087

$6.99
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Pt285mi power transformer - pt285mi-power, for

Pt285mi power transformer - pt285mi-power, for

$99.95
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1927 crosley interstage - 1927, audio

1927 crosley interstage - 1927, audio

$39.95
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Vintage nos thordarson - vintage,

Vintage nos thordarson - vintage,

$15.00
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Triad 16a power - triad, transformer

Triad 16a power - triad, transformer

$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, plate-to-line

Utc plate line audio - a-24, plate-to-line

$349.99
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Stancor 8402 power - stancor,

Stancor 8402 power - stancor,

$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 - vintage,

Vintage audio transformer lot - vintage,

$24.99
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Vintage utc audio output - utc,

Vintage utc audio output - utc,

$50.00
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Triad magnetics 146p pc - 2,

Triad magnetics 146p pc - 2,

$19.98
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Vintage kenyon 264 - kenyon, t-264

Vintage kenyon 264 - kenyon, 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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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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