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Vintage core audio - ei, output

Vintage core audio - ei, output

$25.00
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Thordarson 24s75 vintage nos - thordarson,

Thordarson 24s75 vintage nos - thordarson,

$15.00
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Vtg utc ultra - utc, a-22

Vtg utc ultra - utc, a-22

$149.99
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Ot20pp hc87 output - ot20pp-,

Ot20pp hc87 output - ot20pp-,

$43.95
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Mercury magnetics o45rs - magnetics, o45rs-l

Mercury magnetics o45rs - magnetics, o45rs-l

$280.00
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Thordarson 22s66 tube - thordarson, output

Thordarson 22s66 tube - thordarson, output

$99.00
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Vintage dynaco 430 - vintage, a-430

Vintage dynaco 430 - vintage, a-430

$279.00
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Pair tube pull of - ,

Pair tube pull of - ,

$108.00
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Ot10se single ended - ended, output

Ot10se single ended - ended, output

$43.95
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Audio output transformers - audio, pair

Audio output transformers - audio, pair

$125.00
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Very large output - 1,

Very large output - 1,

$39.00
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Pair ot20se 3k5ul se - pair, of

Pair ot20se 3k5ul se - pair, of

$259.95
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Pair good working - a,

Pair good working - a,

$210.00
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Vintage electrical - vintage,

Vintage electrical - vintage,

$138.89
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Hashimoto 203u output - hashimoto, hc-203u

Hashimoto 203u output - hashimoto, hc-203u

$206.55
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The british tube power - british,

The british tube power - british,

$79.00
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Vintage stancor 3823 audio - vintage, a-3823

Vintage stancor 3823 audio - vintage, a-3823

$49.99
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Ot20pp std output - output, transformer

Ot20pp std output - output, transformer

$43.95
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Vintage stancor tube amp - tube,

Vintage stancor tube amp - tube,

$38.00
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Vintage nos thordarson audio - nos,

Vintage nos thordarson audio - nos,

$25.00
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Edcor cxse5 single ended - edcor, single-ended

Edcor cxse5 single ended - edcor, single-ended

$105.00
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Pair ot11se 5kul - pair, ot11se-hf-5kul

Pair ot11se 5kul - pair, ot11se-hf-5kul

$159.95
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Radio shack miniature audio - miniature,

Radio shack miniature audio - miniature,

$19.99
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Vintage utc audio output - vintage, a-35

Vintage utc audio output - vintage, a-35

$97.00
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Hammond audio output - hammond,

Hammond audio output - hammond,

$119.99
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Tango 5s output - xe-60-2.5s,

Tango 5s output - xe-60-2.5s,

$520.00
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Magnequest 030 output - magnequest,

Magnequest 030 output - magnequest,

$850.00
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Nos phoenix transformer - phoenix,

Nos phoenix transformer - phoenix,

$25.00
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Output transformers single end - transformers,

Output transformers single end - transformers,

$160.00
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60w toroidal output - 60w,

60w toroidal output - 60w,

$138.00
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Vintage tube amp power - vintage,

Vintage tube amp power - vintage,

$40.00
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Hashimoto 203u output - hashimoto,

Hashimoto 203u output - hashimoto,

$230.99
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Nos vintage thordarson - vintage, &

Nos vintage thordarson - vintage, &

$195.00
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Heathkit 151 tube amplifier - heathkit,

Heathkit 151 tube amplifier - heathkit,

$250.00
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Nice condition western - condition,

Nice condition western - condition,

$1150.00
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Amorphous core 22w 8k - ,

Amorphous core 22w 8k - ,

$158.00
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Pair ot19pp dyn35 usa - pair, ot19pp-dyn35-usa

Pair ot19pp dyn35 usa - pair, ot19pp-dyn35-usa

$249.90
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Precision single output 6l6 - precision,

Precision single output 6l6 - precision,

$29.95
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Hashimoto 507d - hashimoto, (sansui)

Hashimoto 507d - hashimoto, (sansui)

$206.55
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Nos stancor 8602 tube amp - nos,

Nos stancor 8602 tube amp - nos,

$15.00
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7kω push pull output - 7kΩ, push-pull

7kω push pull output - 7kΩ, push-pull

$115.01
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Pair ot15se 5kul - ot15se-hf-5kul, se

Pair ot15se 5kul - ot15se-hf-5kul, se

$229.95
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Ot10se vc87 single - ot10se-vc87,

Ot10se vc87 single - ot10se-vc87,

$43.95
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Kasuga kaf 1425 finemet - kaf-1425,

Kasuga kaf 1425 finemet - kaf-1425,

$287.55
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Tango 608 universal fi - u-608, hi-fi

Tango 608 universal fi - u-608, hi-fi

$209.99
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100 output transformer 5000 - tf-100,

100 output transformer 5000 - tf-100,

$39.00
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Hammond 1609 output - 1609, pp

Hammond 1609 output - 1609, pp

$89.95
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New the original - new,

New the original - new,

$29.99
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Thordarson 24s53 nos audio - thordarson,

Thordarson 24s53 nos audio - thordarson,

$19.99
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Vintage kenyon 400 - vintage,

Vintage kenyon 400 - vintage,

$150.00
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Pieces e19 transistor radio - pieces,

Pieces e19 transistor radio - pieces,

$16.95
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Pair single ended - pair, tube

Pair single ended - pair, tube

$255.18
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Vintage tube amp - vintage, output

Vintage tube amp - vintage, output

$40.00
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Vintage stancor 67 - ⁠vintage,

Vintage stancor 67 - ⁠vintage,

$325.00
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Acrosound 290 williamson - to-290,

Acrosound 290 williamson - to-290,

$250.00
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Transformer audio output - audio, tube

Transformer audio output - audio, tube

$15.00
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Transformer audio output tube - transformer,

Transformer audio output tube - transformer,

$15.00
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Stancor 3878 audio - stancor, 5w

Stancor 3878 audio - stancor, 5w

$29.99
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Tango 20s fi output - tango, xe-20s

Tango 20s fi output - tango, xe-20s

$750.00
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Stancor 8072 willamson - 1, a-8072

Stancor 8072 willamson - 1, a-8072

$139.00
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Vintage nos thordarson 164 - nos,

Vintage nos thordarson 164 - nos,

$7.99
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Stancor ams audio - ams,

Stancor ams audio - ams,

$55.00
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Vintage thordarson 22s81 - thordarson,

Vintage thordarson 22s81 - thordarson,

$55.00
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Ot10se hc87 single ended - hc87,

Ot10se hc87 single ended - hc87,

$43.95
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Kasuga kaf 5730 finemet - kaf-5730,

Kasuga kaf 5730 finemet - kaf-5730,

$287.55
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Chicago standard transformer - standard,

Chicago standard transformer - standard,

$30.60
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Fender 5e3 deluxe - 5e3,

Fender 5e3 deluxe - 5e3,

$65.99
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Merit 4031 high fidelity - high,

Merit 4031 high fidelity - high,

$90.00
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15w toroidal output - toroidal,

15w toroidal output - toroidal,

$76.00
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Dynaco 470 output - 470,

Dynaco 470 output - 470,

$325.00
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Electra print 15k 35ma - 15k, to

Electra print 15k 35ma - 15k, to

$350.00
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Transformer audio output tube - transformer,

Transformer audio output tube - transformer,

$15.00
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New old stock - new, in

New old stock - new, in

$20.00
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Tango 20s output - tango, xe-20s

Tango 20s output - tango, xe-20s

$349.00
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40w toroidal output - toroidal,

40w toroidal output - toroidal,

$118.00
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Nos crestran audio output - audio,

Nos crestran audio output - audio,

$24.75
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Vintage nos merit hvo - vintage,

Vintage nos merit hvo - vintage,

$26.98
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Trutest model tr117 output - trutest,

Trutest model tr117 output - trutest,

$140.00
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Vintage utc output - cg-15,

Vintage utc output - cg-15,

$349.95
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Output and power - output, 1

Output and power - output, 1

$259.98
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Pair peerless altec - 50's,

Pair peerless altec - 50's,

$190.00
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Vintage original triad 28x - triad, s-28x

Vintage original triad 28x - triad, s-28x

$89.99
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Triad output transformer - triad,

Triad output transformer - triad,

$19.95
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Ot20se hc100 output - ot20se, xfmr

Ot20se hc100 output - ot20se, xfmr

$74.95
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Vintage knight - vintage, (allied)

Vintage knight - vintage, (allied)

$79.00
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Heath kit 7591 tubes - kit,

Heath kit 7591 tubes - kit,

$175.95
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Eico 32010 output - eico,

Eico 32010 output - eico,

$199.00
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Vintage nos stancor - nos, a-8148

Vintage nos stancor - nos, a-8148

$14.99
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Thordarson 24s21 output - 24s21,

Thordarson 24s21 output - 24s21,

$24.99
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Vintage chicago standard - vintage,

Vintage chicago standard - vintage,

$20.00
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One western electric 8726 - one,

One western electric 8726 - one,

$95.00
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Tamura 912a single - tamura, single-ended

Tamura 912a single - tamura, single-ended

$552.54
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Nos merit type 1332 2932 - 2,

Nos merit type 1332 2932 - 2,

$30.00
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Single ended 8ohm - single, output

Single ended 8ohm - single, output

$20.00
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Laidys 30wd 30w single ended - 30w,

Laidys 30wd 30w single ended - 30w,

$156.50
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Kt88 pushpull out - 34/kt88,

Kt88 pushpull out - 34/kt88,

$200.00
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📊96 listings · from $7.99 · avg $152.76

Browse 96 output transformer listings currently in our index. Prices range from $7.99 to $1150, with an average of $152.76. 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 output transformer →

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Whether you are looking for a brand-new or second-hand output 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 $7.99, while premium listings can reach $1150 — giving you a wide budget spread to work with. The average price of $152.76 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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