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Output transformer

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Vintage core audio - ei,

Vintage core audio - ei,

$25.00
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Thordarson 24s75 vintage nos - 24s75,

Thordarson 24s75 vintage nos - 24s75,

$15.00
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Vtg utc ultra compact - a-22, ultra-compact

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

$149.99
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Ot20pp hc87 output - hc87,

Ot20pp hc87 output - hc87,

$43.95
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Mercury magnetics o45rs - mercury, o45rs-l

Mercury magnetics o45rs - mercury, o45rs-l

$280.00
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Thordarson 22s66 tube output - thordarson,

Thordarson 22s66 tube output - thordarson,

$99.00
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Vintage dynaco 430 output - dynaco,

Vintage dynaco 430 output - dynaco,

$279.00
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Pair tube pull - a,

Pair tube pull - a,

$108.00
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Ot10se single ended - single,

Ot10se single ended - single,

$43.95
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Audio output transformers pair - audio,

Audio output transformers pair - audio,

$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 fisher - a,

Pair good working fisher - 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 - vintage, audio

Vintage stancor 3823 - vintage, audio

$49.99
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Ot20pp std output - ot20pp-,

Ot20pp std output - ot20pp-,

$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 - thordarson,

Vintage nos thordarson audio - thordarson,

$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, hifi

Pair ot11se 5kul - pair, hifi

$159.95
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Radio shack miniature audio - radio,

Radio shack miniature audio - radio,

$19.99
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Vintage utc audio - a-35, output

Vintage utc audio - a-35, output

$97.00
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Hammond audio output - audio,

Hammond audio output - audio,

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

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

$520.00
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Magnequest 030 output - fs-030,

Magnequest 030 output - fs-030,

$850.00
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Nos phoenix transformer - transformer, co

Nos phoenix transformer - transformer, co

$25.00
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Output transformers single - output,

Output transformers single - output,

$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, hc-203u

Hashimoto 203u output - hashimoto, hc-203u

$230.99
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Nos vintage thordarson - (25),

Nos vintage thordarson - (25),

$195.00
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Heathkit 151 tube amplifier - heathkit, aa-151

Heathkit 151 tube amplifier - heathkit, aa-151

$250.00
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Nice condition western - condition,

Nice condition western - condition,

$1150.00
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Amorphous core 22w - ,

Amorphous core 22w - ,

$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 - precision,

Precision single output - 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 - stancor, amp

Nos stancor 8602 tube - stancor, amp

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

7kω push pull - push-pull, output

$115.01
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Pair ot15se 5kul se hifi - se,

Pair ot15se 5kul se hifi - se,

$229.95
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Ot10se vc87 single ended - ot10se-vc87,

Ot10se vc87 single ended - ot10se-vc87,

$43.95
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Kasuga kaf 1425 - kasuga, kaf-1425

Kasuga kaf 1425 - kasuga, kaf-1425

$287.55
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Tango 608 universal fi - u-608,

Tango 608 universal fi - u-608,

$209.99
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100 output transformer - transformer, 5000

100 output transformer - transformer, 5000

$39.00
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Hammond 1609 output - hammond, pp

Hammond 1609 output - hammond, pp

$89.95
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New the original carton - new, in

New the original carton - new, in

$29.99
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Thordarson 24s53 nos audio - nos,

Thordarson 24s53 nos audio - nos,

$19.99
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Vintage kenyon 400 - vintage,

Vintage kenyon 400 - vintage,

$150.00
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Pieces e19 transistor - e19,

Pieces e19 transistor - e19,

$16.95
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Pair single ended - of, single-ended

Pair single ended - of, single-ended

$255.18
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Vintage tube amp - vintage,

Vintage tube amp - vintage,

$40.00
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Vintage stancor 67 - stancor, hf-67

Vintage stancor 67 - stancor, hf-67

$325.00
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Acrosound 290 williamson - acrosound,

Acrosound 290 williamson - acrosound,

$250.00
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Transformer audio output - audio,

Transformer audio output - audio,

$15.00
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Transformer audio output - audio,

Transformer audio output - audio,

$15.00
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Stancor 3878 audio - a-3878, output

Stancor 3878 audio - a-3878, output

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

Tango 20s fi output - tango, hi-fi

$750.00
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Stancor 8072 willamson - 1,

Stancor 8072 willamson - 1,

$139.00
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Vintage nos thordarson - vintage,

Vintage nos thordarson - vintage,

$7.99
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Stancor ams audio output - stancor, 6

Stancor ams audio output - stancor, 6

$55.00
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Vintage thordarson 22s81 - thordarson,

Vintage thordarson 22s81 - thordarson,

$55.00
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Ot10se hc87 single - ot10se,

Ot10se hc87 single - ot10se,

$43.95
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Kasuga kaf 5730 finemet - kasuga, kaf-5730

Kasuga kaf 5730 finemet - kasuga, kaf-5730

$287.55
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Chicago standard transformer - chicago,

Chicago standard transformer - chicago,

$30.60
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Fender 5e3 deluxe amp - fender,

Fender 5e3 deluxe amp - fender,

$65.99
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Merit 4031 high fidelity - a-4031,

Merit 4031 high fidelity - a-4031,

$90.00
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15w toroidal output - 15w,

15w toroidal output - 15w,

$76.00
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Dynaco 470 output - a,

Dynaco 470 output - a,

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

Electra print 15k - electra-print, 35ma

$350.00
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Transformer audio output tube - output,

Transformer audio output tube - output,

$15.00
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New old stock original - new,

New old stock original - new,

$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 - crestran,

Nos crestran audio - crestran,

$24.75
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Vintage nos merit - vintage, hvo-51

Vintage nos merit - vintage, hvo-51

$26.98
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Trutest model tr117 - trutest, output

Trutest model tr117 - trutest, output

$140.00
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Vintage utc output - utc, cg-15

Vintage utc output - utc, cg-15

$349.95
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Output and power - and, 1

Output and power - and, 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 - original,

Vintage original triad - original,

$89.99
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Triad output transformer - triad, s-ix

Triad output transformer - triad, s-ix

$19.95
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Ot20se hc100 output - hc100,

Ot20se hc100 output - hc100,

$74.95
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Vintage knight - 2,

Vintage knight - 2,

$79.00
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Heath kit 7591 tubes - heath,

Heath kit 7591 tubes - heath,

$175.95
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Eico 32010 output - eico, 32010-2

Eico 32010 output - eico, 32010-2

$199.00
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Vintage nos stancor - nos,

Vintage nos stancor - nos,

$14.99
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Thordarson 24s21 output - thordarson,

Thordarson 24s21 output - thordarson,

$24.99
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Vintage chicago standard - vintage,

Vintage chicago standard - vintage,

$20.00
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One western electric - western,

One western electric - western,

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

Tamura 912a single ended - tamura, f-912a

$552.54
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Nos merit type 1332 2932 - type, a-1332/2932

Nos merit type 1332 2932 - type, a-1332/2932

$30.00
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Single ended 8ohm output - ended,

Single ended 8ohm output - ended,

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

Laidys 30wd 30w single ended - single,

$156.50
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Kt88 pushpull out - pushpull,

Kt88 pushpull out - pushpull,

$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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