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Pieces e19 transistor radio - 2,

Pieces e19 transistor radio - 2,

$16.95
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Pair tube pull - pair,

Pair tube pull - pair,

$115.00
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Heathkit push pull 6l6gc - 6l6gc, 6l6

Heathkit push pull 6l6gc - 6l6gc, 6l6

$149.95
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Utc t22 audio transformer - utc,

Utc t22 audio transformer - utc,

$7.49
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10pcs pack 600 - 600, ohm

10pcs pack 600 - 600, ohm

$9.60
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Thordarson 24s75 vintage nos - thordarson,

Thordarson 24s75 vintage nos - thordarson,

$25.00
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Microphone audio input - microphone,

Microphone audio input - microphone,

$24.50
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Triad 67j line - triad,

Triad 67j line - triad,

$69.00
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Radio shack miniature audio - radio,

Radio shack miniature audio - radio,

$19.99
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The british tube - the,

The british tube - the,

$100.00
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Thordarson 14c70 tone - thordarson, t-14c70

Thordarson 14c70 tone - thordarson, t-14c70

$24.95
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Arito audio lab japan single - japan,

Arito audio lab japan single - japan,

$199.95
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Cdk 70v 25v audio - cdk, line

Cdk 70v 25v audio - cdk, line

$19.00
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Vintage 1940 adc - 1940's,

Vintage 1940 adc - 1940's,

$157.01
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Vintage nos precision - precision, type

Vintage nos precision - precision, type

$25.00
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High performance air - air, motion

High performance air - air, motion

$120.64
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Hammond audio output - hammond,

Hammond audio output - hammond,

$119.99
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Utc audio transformers - a-20,

Utc audio transformers - a-20,

$200.00
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1940 nos vintage utc - 1940's,

1940 nos vintage utc - 1940's,

$50.00
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Vintage nos thordarson - nos,

Vintage nos thordarson - nos,

$35.00
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Jensen 8251 audio - jensen, line

Jensen 8251 audio - jensen, line

$75.00
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Triad 146a audio - s-146a,

Triad 146a audio - s-146a,

$495.00
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Merit 3020 motorola - a-3020,

Merit 3020 motorola - a-3020,

$12.00
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New the original carton - new,

New the original carton - new,

$29.99
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Saga elite speaker transformer - elite,

Saga elite speaker transformer - elite,

$16.99
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Thordarson 55253 audio - thordarson,

Thordarson 55253 audio - thordarson,

$8.00
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Tomiko audio output - tomiko, 5k

Tomiko audio output - tomiko, 5k

$215.00
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Thordarson 24s50 vintage nos - 24s50,

Thordarson 24s50 vintage nos - 24s50,

$14.95
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Brand new nos pair hoffman - brand,

Brand new nos pair hoffman - brand,

$150.00
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Pair jefferson microphone - jefferson, microphone/mc

Pair jefferson microphone - jefferson, microphone/mc

$149.00
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Vintage airdesign transformer - vintage,

Vintage airdesign transformer - vintage,

$54.99
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Triad ultrad 14a power - triad, r-14a

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

$148.88
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Vintage ampex 350 tube - vintage,

Vintage ampex 350 tube - vintage,

$449.95
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Unopened uca utc vintage - utc-36,

Unopened uca utc vintage - utc-36,

$75.00
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Utc tube audio 12 - audio,

Utc tube audio 12 - audio,

$48.49
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Vintage nos thordarson audio - nos,

Vintage nos thordarson audio - nos,

$30.00
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Rca type 712 - type, uv-712

Rca type 712 - type, uv-712

$30.00
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10pcs audio transformer 1300 - 10pcs,

10pcs audio transformer 1300 - 10pcs,

$15.22
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Nos utc interstage - 2, audio

Nos utc interstage - 2, audio

$90.00
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Sescom 32 audio - 1, mi-32

Sescom 32 audio - 1, mi-32

$50.00
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Vintage utc audio output - utc,

Vintage utc audio output - utc,

$50.00
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Yamaha brt 15k by - 2/,

Yamaha brt 15k by - 2/,

$149.00
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Vintage stancor 3825 - stancor, a-3825

Vintage stancor 3825 - stancor, a-3825

$60.00
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Pt190mi black power - pt190mi-black,

Pt190mi black power - pt190mi-black,

$99.95
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Shure microphone audio input - shure,

Shure microphone audio input - shure,

$29.50
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New unused original - new,

New unused original - new,

$29.99
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Biamp audio amplifier - biamp,

Biamp audio amplifier - biamp,

$8.99
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Pt285mi power transformer for - pt285mi-power,

Pt285mi power transformer for - pt285mi-power,

$99.95
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Nos adc 308g output - 308g, pull

Nos adc 308g output - 308g, pull

$59.99
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Lot vintage audio - of,

Lot vintage audio - of,

$69.99
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Utc 248 tf4rx13yy - utc,

Utc 248 tf4rx13yy - utc,

$24.95
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Vintage transformers for audio - transformers,

Vintage transformers for audio - transformers,

$350.00
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Edco usa 10k audio tube - edco,

Edco usa 10k audio tube - edco,

$29.98
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Nos utc lvm - utc, 15w

Nos utc lvm - utc, 15w

$60.54
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Utc plug audio - plug,

Utc plug audio - plug,

$84.99
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Stancor motorola tube amp - motorola,

Stancor motorola tube amp - motorola,

$50.00
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Utc audio transformer - a-20,

Utc audio transformer - a-20,

$111.20
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Utc p10 plug audio output - utc,

Utc p10 plug audio output - utc,

$84.99
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Pair western electric 289a - western,

Pair western electric 289a - western,

$129.00
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Siemens audiophile studio - ,

Siemens audiophile studio - ,

$55.00
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Pair new box - in,

Pair new box - in,

$749.99
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Ac110v 60hz 40w toroidal - ac110v/60hz,

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

$26.99
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Trutest model tr117 - trutest,

Trutest model tr117 - trutest,

$140.00
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Nos vintage stancor - stancor, filament

Nos vintage stancor - stancor, filament

$49.00
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Vintage nos stancor - nos, a-8087

Vintage nos stancor - nos, a-8087

$6.99
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1920s kelford 1 audio - 1920s,

1920s kelford 1 audio - 1920s,

$34.95
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Vintage nos utc audio - vintage,

Vintage nos utc audio - vintage,

$68.00
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Milspec utc tube input - 1,

Milspec utc tube input - 1,

$70.00
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Vintage thordarson 19m14 - vintage, t-19m14

Vintage thordarson 19m14 - vintage, t-19m14

$41.83
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Hammond 1609 output - 1609, pp

Hammond 1609 output - 1609, pp

$89.95
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Audio transformer 1300 ohm - audio, 1300:8

Audio transformer 1300 ohm - audio, 1300:8

$18.96
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Vintage utc trw ouncer - trw, o-25

Vintage utc trw ouncer - trw, o-25

$130.00
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1205 2 vintage audio - vintage,

1205 2 vintage audio - vintage,

$13.99
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Utc transformer audio - a-18,

Utc transformer audio - a-18,

$200.00
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Nos adc audio development - nos,

Nos adc audio development - nos,

$24.99
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Vintage utc audio - utc, o-8

Vintage utc audio - utc, o-8

$85.99
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Vintage thermador 3181 - vintage, cs-3181

Vintage thermador 3181 - vintage, cs-3181

$30.09
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Transformers halldorson - (2),

Transformers halldorson - (2),

$60.00
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Stancor 3878 vintage 5w - vintage,

Stancor 3878 vintage 5w - vintage,

$44.99
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Vintage utc potted audio - s-5,

Vintage utc potted audio - s-5,

$60.00
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Stancor 52c235 600ω to - stancor,

Stancor 52c235 600ω to - stancor,

$69.99
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Qty utc audio driver - qty, 2:

Qty utc audio driver - qty, 2:

$30.00
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Trw bit 250 40 - (, )

Trw bit 250 40 - (, )

$11.95
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Vintage nos utc audio - nos,

Vintage nos utc audio - nos,

$399.99
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Thordarson 27501 audio output - 27501,

Thordarson 27501 audio output - 27501,

$25.00
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Triad 16a power - r-16a,

Triad 16a power - r-16a,

$129.95
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1920s audio frequency - 2,

1920s audio frequency - 2,

$22.95
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Calrad 701 sub miniature - 45-701, sub-miniature

Calrad 701 sub miniature - 45-701, sub-miniature

$39.99
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1920s 1 jefferson - 1,

1920s 1 jefferson - 1,

$37.95
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Stancor 4407 microphon - a-4407,

Stancor 4407 microphon - a-4407,

$124.99
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Utc lot qty - mc, phono

Utc lot qty - mc, phono

$60.00
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Stancor ttpc5 audio - stancor,

Stancor ttpc5 audio - stancor,

$15.99
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Archer brand ohm 300 - archer, 300-ohm

Archer brand ohm 300 - archer, 300-ohm

$12.00
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Triad hsm 223 filament - triad,

Triad hsm 223 filament - triad,

$35.00
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Filament transformer tube - transformer,

Filament transformer tube - transformer,

$49.95
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Vintage western electric - vintage,

Vintage western electric - vintage,

$295.00
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📊96 listings · from $6.99 · avg $89.51

Browse 96 audio transformer listings currently in our index. Prices range from $6.99 to $749.99, with an average of $89.51. 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 $749.99 — giving you a wide budget spread to work with. The average price of $89.51 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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