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Vtg utc ultra - a-33, ultra-compact

Vtg utc ultra - a-33, ultra-compact

$54.99
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Vintage core audio output - vintage,

Vintage core audio output - vintage,

$25.00
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Utc 150 matching audio - utc,

Utc 150 matching audio - utc,

$150.00
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Ee14 high frequency - ee14, high-frequency

Ee14 high frequency - ee14, high-frequency

$30.00
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Vtg utc ultra compact - vtg,

Vtg utc ultra compact - vtg,

$149.99
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Thordarson 24s75 vintage - thordarson, nos

Thordarson 24s75 vintage - thordarson, nos

$15.00
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Vtg studio transformer - vtg,

Vtg studio transformer - vtg,

$99.99
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Vtg autogram audio - mt-1,

Vtg autogram audio - mt-1,

$39.99
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Adc a14421 vintage line - a14421,

Adc a14421 vintage line - a14421,

$250.00
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Vintage stancor 3823 audio - a-3823,

Vintage stancor 3823 audio - a-3823,

$49.99
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Pair tube pull - a,

Pair tube pull - a,

$108.00
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Utc 101x audio transformer - utc, ha-101x

Utc 101x audio transformer - utc, ha-101x

$250.00
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Amorphous core 22w 8k - ,

Amorphous core 22w 8k - ,

$158.00
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Nos thordarson 26r24 tube - nos, amp

Nos thordarson 26r24 tube - nos, amp

$45.00
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Ohm audio transformer - audio,

Ohm audio transformer - audio,

$23.13
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Brand new nos - of, hoffman

Brand new nos - of, hoffman

$150.00
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10pcs pack 600 - 10pcs/pack,

10pcs pack 600 - 10pcs/pack,

$10.30
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Utc t22 audio - do-t22, transformer

Utc t22 audio - do-t22, transformer

$7.49
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Microphone audio input - microphone,

Microphone audio input - microphone,

$24.50
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10pcs 1300 ohm audio - ohm,

10pcs 1300 ohm audio - ohm,

$12.13
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Power transformer electronic - power,

Power transformer electronic - power,

$24.99
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Audio output transformers pair - output,

Audio output transformers pair - output,

$125.00
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Vintage nos thordarson audio - nos,

Vintage nos thordarson audio - nos,

$25.00
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Thordarson 24s50 vintage nos - thordarson,

Thordarson 24s50 vintage nos - thordarson,

$10.95
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Radio shack miniature - miniature, audio

Radio shack miniature - miniature, audio

$19.99
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Vintage utc audio output - audio,

Vintage utc audio output - audio,

$97.00
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Vintage hammond audio power - vintage,

Vintage hammond audio power - vintage,

$44.85
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Pt190mi power transformer - pt190mi-power,

Pt190mi power transformer - pt190mi-power,

$99.95
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Vintage tube amp - vintage,

Vintage tube amp - vintage,

$40.00
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Vintage caudio toroidal - vintage,

Vintage caudio toroidal - vintage,

$99.99
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Matching pair 1950 rca - 1950's,

Matching pair 1950 rca - 1950's,

$247.50
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Sescom 32 audio - pc,

Sescom 32 audio - pc,

$50.00
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Vintage general electric - vintage,

Vintage general electric - vintage,

$39.99
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Pieces e19 transistor radio - pieces,

Pieces e19 transistor radio - pieces,

$16.95
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10pcs audio transformer - 10pcs, ei-14

10pcs audio transformer - 10pcs, ei-14

$15.99
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Vintage tube amplifier potted - vintage,

Vintage tube amplifier potted - vintage,

$24.99
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Utc 63399 audio - audio, impedance

Utc 63399 audio - audio, impedance

$19.95
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Triad 61j line - a-61j, audio

Triad 61j line - a-61j, audio

$90.00
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Filament transformer tube - transformer,

Filament transformer tube - transformer,

$49.95
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Transformer audio output tube - audio,

Transformer audio output tube - audio,

$15.00
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Pack 600 ohm audio - ohm,

Pack 600 ohm audio - ohm,

$11.74
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Jensen 8251 audio line - 8251,

Jensen 8251 audio line - 8251,

$75.00
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Hammond audio output - hammond,

Hammond audio output - hammond,

$119.99
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Nos 1920s silver marshall - nos, silver-marshall

Nos 1920s silver marshall - nos, silver-marshall

$98.99
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Jensen 11p 8088 vintage - 8088,

Jensen 11p 8088 vintage - 8088,

$150.00
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Utc audio transformer - o-01,

Utc audio transformer - o-01,

$125.00
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Saga elite speaker - elite,

Saga elite speaker - elite,

$16.99
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New the original carton - in,

New the original carton - in,

$29.99
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1920 thordarson audio - 1920`s,

1920 thordarson audio - 1920`s,

$35.00
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Precision single output 6l6 - precision,

Precision single output 6l6 - precision,

$29.95
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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 thordarson 45943 - vintage, t-45943

Vintage thordarson 45943 - vintage, t-45943

$79.99
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Transformer audio input - transformer,

Transformer audio input - transformer,

$15.00
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1950s utc audio interstage - 1950s,

1950s utc audio interstage - 1950s,

$89.95
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Transformer audio - transformer,

Transformer audio - transformer,

$15.00
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Transformer audio output - audio,

Transformer audio output - audio,

$15.00
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Stancor 8402 power - pm,

Stancor 8402 power - pm,

$130.00
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1920s thompson model - thompson, audio

1920s thompson model - thompson, audio

$39.95
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Freed high voltage power - high,

Freed high voltage power - high,

$52.00
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Pair vintage nos rola - pair,

Pair vintage nos rola - pair,

$34.00
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Vintage motorola tube - vintage,

Vintage motorola tube - vintage,

$39.99
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Nos adc 308g - adc,

Nos adc 308g - adc,

$59.99
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Hiletgo ei14 audio signal - audio,

Hiletgo ei14 audio signal - audio,

$10.35
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Vintage motorola tube - vintage,

Vintage motorola tube - vintage,

$39.99
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Vintage motorola tube - vintage,

Vintage motorola tube - vintage,

$39.99
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Nos utc lvm - 15w, line

Nos utc lvm - 15w, line

$49.00
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Vintage utc 108x audio - utc, ha-108x

Vintage utc 108x audio - utc, ha-108x

$150.00
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Rare tested triad jaf 15 - rare,

Rare tested triad jaf 15 - rare,

$95.00
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Shure microphone audio - shure,

Shure microphone audio - shure,

$29.50
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Nos nib utc 6441 600 - utc, to

Nos nib utc 6441 600 - utc, to

$49.00
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Biamp audio amplifier - biamp,

Biamp audio amplifier - biamp,

$8.99
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Vintage stancor 4723 - ​vintage,

Vintage stancor 4723 - ​vintage,

$59.99
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Transformer audio interstage - transformer,

Transformer audio interstage - transformer,

$8.00
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Transformer audio modulation - audio,

Transformer audio modulation - audio,

$20.00
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Vintage western components - vintage,

Vintage western components - vintage,

$14.99
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Tube power transformer ham - tube,

Tube power transformer ham - tube,

$40.00
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Nos phoenix transformer - transformer, co

Nos phoenix transformer - transformer, co

$25.00
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Vintage chicago transformer - ​vintage,

Vintage chicago transformer - ​vintage,

$99.99
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Vintage sescom 136a mic - sescom,

Vintage sescom 136a mic - sescom,

$69.95
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Mercury magnetics o45rs - mercury,

Mercury magnetics o45rs - mercury,

$280.00
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Utc transformer audio - transformer,

Utc transformer audio - transformer,

$60.00
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Excellent condition general - condition,

Excellent condition general - condition,

$79.99
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Tango 5s output - tango,

Tango 5s output - tango,

$520.00
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Stancor ams audio output - ams,

Stancor ams audio output - ams,

$55.00
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Merit 4082 power transformer - merit,

Merit 4082 power transformer - merit,

$50.00
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Audio output transformer - audio, type

Audio output transformer - audio, type

$29.99
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Nos crestran audio output - nos, ao-1

Nos crestran audio output - nos, ao-1

$24.75
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Thordarson 24s53 nos audio - 24s53,

Thordarson 24s53 nos audio - 24s53,

$19.99
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Transformer audio output - audio,

Transformer audio output - audio,

$15.00
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Shure 90m2150 51a38 - shure, 90m2150,

Shure 90m2150 51a38 - shure, 90m2150,

$19.99
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Transformer audio output - transformer,

Transformer audio output - transformer,

$5.00
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Pair james 6123 audio - james, js-6123

Pair james 6123 audio - james, js-6123

$850.00
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Toroidal transformer for - transformer, audio

Toroidal transformer for - transformer, audio

$64.18
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Vintage utc audio - audio, output

Vintage utc audio - audio, output

$50.00
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Tesla vintage microphone - 4,

Tesla vintage microphone - 4,

$100.00
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Samson audio frequency - hw-a2,

Samson audio frequency - hw-a2,

$55.00
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📊96 listings · from $5 · avg $75.25

Browse 96 audio transformer listings currently in our index. Prices range from $5 to $850, with an average of $75.25. 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 $5, while premium listings can reach $850 — giving you a wide budget spread to work with. The average price of $75.25 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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