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Vtg utc ultra compact - utc, ultra-compact

Vtg utc ultra compact - utc, ultra-compact

$54.99
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Vintage core audio output - audio,

Vintage core audio output - audio,

$25.00
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Utc 150 matching audio - ls-150,

Utc 150 matching audio - ls-150,

$150.00
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Ee14 high frequency audio - ee14, /

Ee14 high frequency audio - ee14, /

$30.00
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Vtg utc ultra compact - utc, a-22

Vtg utc ultra compact - utc, a-22

$149.99
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Thordarson 24s75 vintage nos - vintage,

Thordarson 24s75 vintage nos - vintage,

$15.00
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Vtg studio transformer - vtg,

Vtg studio transformer - vtg,

$99.99
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Vtg autogram audio input - autogram,

Vtg autogram audio input - autogram,

$39.99
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Adc a14421 vintage - a14421,

Adc a14421 vintage - a14421,

$250.00
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Vintage stancor 3823 - vintage, a-3823

Vintage stancor 3823 - vintage, a-3823

$49.99
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Pair tube pull of - pair,

Pair tube pull of - pair,

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

Utc 101x audio transformer - ha-101x,

$250.00
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Amorphous core 22w - 22w,

Amorphous core 22w - 22w,

$158.00
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Nos thordarson 26r24 tube - thordarson,

Nos thordarson 26r24 tube - thordarson,

$45.00
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Ohm audio transformer - ee-14,

Ohm audio transformer - ee-14,

$23.13
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Brand new nos pair - brand, of

Brand new nos pair - brand, of

$150.00
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10pcs pack 600 - 600, :

10pcs pack 600 - 600, :

$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 - 1300, :

10pcs 1300 ohm audio - 1300, :

$12.13
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Power transformer electronic - power,

Power transformer electronic - power,

$24.99
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Audio output transformers - audio,

Audio output transformers - audio,

$125.00
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Vintage nos thordarson - nos, audio

Vintage nos thordarson - nos, audio

$25.00
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Thordarson 24s50 vintage - 24s50, nos

Thordarson 24s50 vintage - 24s50, nos

$10.95
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Radio shack miniature audio - radio,

Radio shack miniature audio - radio,

$19.99
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Vintage utc audio output - vintage,

Vintage utc audio output - vintage,

$97.00
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Vintage hammond audio - vintage,

Vintage hammond audio - vintage,

$44.85
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Pt190mi power transformer for - pt190mi-power,

Pt190mi power transformer for - pt190mi-power,

$99.95
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Vintage tube amp power - tube,

Vintage tube amp power - tube,

$40.00
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Vintage caudio toroidal - caudio,

Vintage caudio toroidal - caudio,

$99.99
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Matching pair 1950 - matching, 1950's

Matching pair 1950 - matching, 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 - ge,

Vintage general electric - ge,

$39.99
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Pieces e19 transistor - 2,

Pieces e19 transistor - 2,

$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 - tube,

Vintage tube amplifier potted - tube,

$24.99
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Utc 63399 audio impedance - 63399,

Utc 63399 audio impedance - 63399,

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

Triad 61j line audio - triad, a-61j

$90.00
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Filament transformer tube - filament,

Filament transformer tube - filament,

$49.95
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Transformer audio output tube - transformer,

Transformer audio output tube - transformer,

$15.00
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Pack 600 ohm audio - 10,

Pack 600 ohm audio - 10,

$11.74
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Jensen 8251 audio line - je,

Jensen 8251 audio line - je,

$75.00
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Hammond audio output - hammond,

Hammond audio output - hammond,

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

Nos 1920s silver marshall - 1920s, silver-marshall

$98.99
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Jensen 11p 8088 - jensen, vintage

Jensen 11p 8088 - jensen, vintage

$150.00
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Utc audio transformer - utc,

Utc audio transformer - utc,

$125.00
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Saga elite speaker transformer - saga,

Saga elite speaker transformer - saga,

$16.99
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New the original carton - original,

New the original carton - original,

$29.99
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1920 thordarson audio - thordarson,

1920 thordarson audio - thordarson,

$35.00
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Precision single output - single,

Precision single output - single,

$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,

Vintage thordarson 45943 - vintage,

$79.99
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Transformer audio input mike - transformer,

Transformer audio input mike - transformer,

$15.00
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1950s utc audio - utc,

1950s utc audio - utc,

$89.95
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Transformer audio - transformer,

Transformer audio - transformer,

$15.00
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Transformer audio output - output, tube

Transformer audio output - output, tube

$15.00
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Stancor 8402 power - 8402,

Stancor 8402 power - 8402,

$130.00
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1920s thompson model audio - model, 25

1920s thompson model audio - model, 25

$39.95
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Freed high voltage - high,

Freed high voltage - high,

$52.00
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Pair vintage nos rola 280 - pair,

Pair vintage nos rola 280 - pair,

$34.00
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Vintage motorola tube - motorola,

Vintage motorola tube - motorola,

$39.99
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Nos adc 308g - output, push

Nos adc 308g - output, push

$59.99
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Hiletgo ei14 audio signal - ei14,

Hiletgo ei14 audio signal - ei14,

$10.35
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Vintage motorola tube - vintage,

Vintage motorola tube - vintage,

$39.99
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Vintage motorola tube - motorola,

Vintage motorola tube - motorola,

$39.99
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Nos utc lvm 15w - nos, lvm-1

Nos utc lvm 15w - nos, lvm-1

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

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

$150.00
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Rare tested triad jaf - rare,

Rare tested triad jaf - 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 - nos, to

Nos nib utc 6441 - nos, to

$49.00
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Biamp audio amplifier - biamp,

Biamp audio amplifier - biamp,

$8.99
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Vintage stancor 4723 - stancor, a-4723

Vintage stancor 4723 - stancor, a-4723

$59.99
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Transformer audio interstage - audio,

Transformer audio interstage - audio,

$8.00
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Transformer audio modulation - transformer,

Transformer audio modulation - transformer,

$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 - vintage, &

Vintage sescom 136a mic - vintage, &

$69.95
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Mercury magnetics o45rs - mercury, o45rs-l

Mercury magnetics o45rs - mercury, o45rs-l

$280.00
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Utc transformer audio - utc,

Utc transformer audio - utc,

$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 - 6,

Stancor ams audio output - 6,

$55.00
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Merit 4082 power - merit, p-4082

Merit 4082 power - merit, p-4082

$50.00
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Audio output transformer type - transformer,

Audio output transformer type - transformer,

$29.99
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Nos crestran audio output - ao-1,

Nos crestran audio output - 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 - transformer,

Transformer audio output - transformer,

$15.00
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Shure 90m2150 51a38 51c38 - 51a38,,

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

$19.99
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Transformer audio output - transformer,

Transformer audio output - transformer,

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

Pair james 6123 audio - js-6123, hs

$850.00
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Toroidal transformer for - toroidal,

Toroidal transformer for - toroidal,

$64.18
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Vintage utc audio - utc,

Vintage utc audio - utc,

$50.00
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Tesla vintage microphone - x,

Tesla vintage microphone - x,

$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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