Vintage Transformers | Surplus Network

Single ended audio output and Power transformers (Knight 6BM8)

USA

Single ended audio output and Power...

$100.00 USD

Single ended audio output and Power...

$100.00 USD

UTC A-21 audio input transformer with A-33 Magnetic shield

USA

UTC A-21 audio input transformer with...

$100.00 USD

UTC A-21 audio input transformer with...

$100.00 USD

Western Electric 618B replica MC Step Up Transformers, ortofon spu

USA

Western Electric 618B replica MC Step...

$999.00 USD

Western Electric 618B replica MC Step...

$999.00 USD

RCA BA-2C Broadcast Booster Amplifier Power Transformer NOS

USA

RCA BA-2C Broadcast Booster Amplifier...

$199.99 USD

RCA BA-2C Broadcast Booster Amplifier...

$199.99 USD

2 RCA Model 901855-501 Microphone step up Transformer

USA

2 RCA Model 901855-501 Microphone ...

$199.99 USD

2 RCA Model 901855-501 Microphone ...

$199.99 USD

Western Electric Audio Transformer Pair

USA

Western Electric Audio Transformer Pair

$359.00 USD

Western Electric Audio Transformer Pair

$359.00 USD

Pair NOS UTC X6518 Transformers

USA

Pair NOS UTC X6518 Transformers

$60.00 USD

Pair NOS UTC X6518 Transformers

$60.00 USD

HUGE lot of Vintage Transformers For Tube Amp & Other Electronics Build Repair

USA

HUGE lot of Vintage Transformers For...

$60.00 USD

HUGE lot of Vintage Transformers For...

$60.00 USD

power transformers

USA

power transformers

$60.00 USD

power transformers

$60.00 USD

Two push pull 60 watt output transformers and one power transformer.

USA

Two push pull 60 watt output...

$500.00 USD

Two push pull 60 watt output...

$500.00 USD

Power Transformer for Vacuum Tube Amplifiers

USA

Power Transformer for Vacuum Tube...

$40.00 USD

Power Transformer for Vacuum Tube...

$40.00 USD

UTC S-48 Plate Transformer 3000/2500/2000VCT@500mA Free Shipping

USA

UTC S-48 Plate Transformer...

$174.95 USD

UTC S-48 Plate Transformer...

$174.95 USD

Vintage Freed 1400VCT Plate Transformer for 211, 845, GM70 tube amp - NIB!

USA

Vintage Freed 1400VCT Plate...

$150.00 USD

Vintage Freed 1400VCT Plate...

$150.00 USD

Pair Output Transformers (triad?) 1:1

USA

Pair Output Transformers (triad?) 1:1

$120.00 USD

Pair Output Transformers (triad?) 1:1

$120.00 USD

Vintage UTC A-20 Audio Transformer

Canada

Vintage UTC A-20 Audio Transformer

$120.00 CAD

Vintage UTC A-20 Audio Transformer

$120.00 CAD

INDUSTRIAL Transformer Filter Choke 22 Hy - 100 mA 300Ω Hermetic Seal

USA

INDUSTRIAL Transformer Filter Choke...

$49.00 USD

INDUSTRIAL Transformer Filter Choke...

$49.00 USD

1 NOS 1950s Kenyon T-153 REACTOR FILTER CHOKE TRANSFORMER 8 HY - 140 OHMS

USA

1 NOS 1950s Kenyon T-153 REACTOR...

$49.00 USD

1 NOS 1950s Kenyon T-153 REACTOR...

$49.00 USD

Two Western Electric 618B transformer case replica

Taiwan

Two Western Electric 618B transformer...

$95.00 USD

Two Western Electric 618B transformer...

$95.00 USD

Heavy Tube Amplifier Power Transformer- NOS Two Available

USA

Heavy Tube Amplifier Power...

$95.00 USD

Heavy Tube Amplifier Power...

$95.00 USD

Moving Coil Phono Step Up Transformer box for Altec/Peerless 15095A MC SUT

USA

Moving Coil Phono Step Up Transformer...

$135.00 USD

Moving Coil Phono Step Up Transformer...

$135.00 USD

VINTAGE WESTINGHOUSE MODULATION TRANSFORMER CAT NO. 1-N-1 49819A

USA

VINTAGE WESTINGHOUSE MODULATION...

$135.00 USD

VINTAGE WESTINGHOUSE MODULATION...

$135.00 USD

Moving Coil Phono Step Up w/ Haufe ST-5863 1:15/1:30 Transformers MC SUT

USA

Moving Coil Phono Step Up w/ Haufe...

$290.00 USD

Moving Coil Phono Step Up w/ Haufe...

$290.00 USD

TRIAD R-38 A POWER TRANSFORMER

USA

TRIAD R-38 A POWER TRANSFORMER

$250.00 USD

TRIAD R-38 A POWER TRANSFORMER

$250.00 USD

Pioneer 30W PP Tube Output Transformer (Pair)

Indonesia

Pioneer 30W PP Tube Output...

$250.00 USD

Pioneer 30W PP Tube Output...

$250.00 USD

Marinair transformer Neve

USA

Marinair transformer Neve

$250.00 USD

Marinair transformer Neve

$250.00 USD

VINTAGE PAIR OF MIL-T-27 INPUT MC STEP TRANSFORMER

USA

VINTAGE PAIR OF MIL-T-27 INPUT MC...

$250.00 USD

VINTAGE PAIR OF MIL-T-27 INPUT MC...

$250.00 USD

(4) Early Radio Audio Transformers w/ GOOD Windings Dietzen Jeff Chicago

USA

(4) Early Radio Audio Transformers w/...

$49.99 USD

(4) Early Radio Audio Transformers w/...

$49.99 USD

Pair of ADC Audio Development Company 210E / 210EX Audio Transformers

USA

Pair of ADC Audio Development Company...

$300.00 USD

Pair of ADC Audio Development Company...

$300.00 USD

Peerless Altec Lansing 4722 Moving Coil Step Up Transformer

USA

Peerless Altec Lansing 4722 Moving...

$300.00 USD

Peerless Altec Lansing 4722 Moving...

$300.00 USD

General Electric Rare Luminous Tube Transformer

USA

General Electric Rare Luminous Tube...

$300.00 USD

General Electric Rare Luminous Tube...

$300.00 USD

Power and Output Transformer For 100 Watt Tube Guitar Amplifier HiFi

USA

Power and Output Transformer For 100...

$79.00 USD

Power and Output Transformer For 100...

$79.00 USD

A pair of Hashimoto Single-Ended Output Transformers HC-203U for 2A3 300B EL34

USA

A pair of Hashimoto Single-Ended...

$536.00 USD

A pair of Hashimoto Single-Ended...

$536.00 USD

Hammond 802 Mic to line transformers X 22

Canada

Hammond 802 Mic to line transformers...

$495.00 CAD

Hammond 802 Mic to line transformers...

$495.00 CAD

Triad HS-1 Transformer

USA

Triad HS-1 Transformer

$650.00 USD

Triad HS-1 Transformer

$650.00 USD

Sparta A-10 Mono Broadcast Mixer

USA

Sparta A-10 Mono Broadcast Mixer

$249.00 USD

Sparta A-10 Mono Broadcast Mixer

$249.00 USD

Kenyon T271 input transformer

Canada

Kenyon T271 input transformer

$50.00 CAD

Kenyon T271 input transformer

$50.00 CAD

Westrex Tube Preamp Power Transformer Western Electric ( 8 available ) 12AX7

USA

Westrex Tube Preamp Power Transformer...

$50.00 USD

Westrex Tube Preamp Power Transformer...

$50.00 USD

EDCOR Custom Power Transformer: XPWR103: 620V 100ma, 15V 2A, 5V 2A NEW, dual pri

USA

EDCOR Custom Power Transformer:...

$50.00 USD

EDCOR Custom Power Transformer:...

$50.00 USD

NOS Halldorson Potted Chokes Pair 5 H @ 100 Ma 20C67

USA

NOS Halldorson Potted Chokes Pair 5 H...

$80.00 USD

NOS Halldorson Potted Chokes Pair 5 H...

$80.00 USD

HP Power Transformer 289V - 200 MADC / 207V - 125 MADC , 3 X 6.3V 4.5A 1 X 1.4A

USA

HP Power Transformer 289V - 200 MADC...

$69.00 USD

HP Power Transformer 289V - 200 MADC...

$69.00 USD

Ampex bridging input transformer

USA

Ampex bridging input transformer

$69.00 USD

Ampex bridging input transformer

$69.00 USD

2 NOS OUTPUT TRANSFORMERS 10 watt STANCOR A-8093 PRI 10K Ω C.T. / 3-4 Ω/ 10 W

USA

2 NOS OUTPUT TRANSFORMERS 10 watt ...

$69.00 USD

2 NOS OUTPUT TRANSFORMERS 10 watt ...

$69.00 USD

Power Transformers, 1 Pair for 300B, 2A3, EL34, 6L6 amplifiers

USA

Power Transformers, 1 Pair for 300B,...

$180.00 USD

Power Transformers, 1 Pair for 300B,...

$180.00 USD

pair of Gardners power transformers type rs3020 fro preamp/ phonostage

United Kingdom

pair of Gardners power transformers...

$180.00 GBP

pair of Gardners power transformers...

$180.00 GBP

Sansui Output Transformer Pair PP OPT

New Zealand

Sansui Output Transformer Pair PP OPT

$350.00 USD

Sansui Output Transformer Pair PP OPT

$350.00 USD

Pair ADC Audio Development Company 114E Tube Audio Output Transformers

USA

Pair ADC Audio Development Company...

$345.00 USD

Pair ADC Audio Development Company...

$345.00 USD

(10) Early Radio Audio Transformers w/ Open Windings Haynes DeForest Rauland

USA

(10) Early Radio Audio Transformers...

$99.99 USD

(10) Early Radio Audio Transformers...

$99.99 USD

Massive Kenyon Filament Transformer 5V@115A Free Shipping

USA

Massive Kenyon Filament Transformer...

$110.46 USD

Massive Kenyon Filament Transformer...

$110.46 USD

Pair of Vintage Tube Power Transformers / 800195-1 -- KT

USA

Pair of Vintage Tube Power...

$59.95 USD

Pair of Vintage Tube Power...

$59.95 USD

Vintage Fisher Tube Power Transformer / T740-115-B 1005004 -- BR

USA

Vintage Fisher Tube Power Transformer...

$59.95 USD

Vintage Fisher Tube Power Transformer...

$59.95 USD

976 Volt Ham radio plate & Filament transformer Tube applications

USA

976 Volt Ham radio plate & Filament...

$59.95 USD

976 Volt Ham radio plate & Filament...

$59.95 USD

McCurdy AT240 Microphone audio transformers 37.5 and 150 ohm PAIR

Canada

McCurdy AT240 Microphone audio...

$59.00 CAD

McCurdy AT240 Microphone audio...

$59.00 CAD

Pair interstage transformers,SE to P_P grids

USA

Pair interstage transformers,SE to...

$170.00 USD

Pair interstage transformers,SE to...

$170.00 USD

utc a20

Canada

utc a20

$200.00 CAD

utc a20

$200.00 CAD

western electric input transformer 289A PAIR

USA

western electric input transformer...

$200.00 USD

western electric input transformer...

$200.00 USD

Triad vintage isolation transformer

USA

Triad vintage isolation transformer

$20.00 USD

Triad vintage isolation transformer

$20.00 USD

Studer Input Line Transformers Rare Vintage Pre-owned Japan Free Shipping

Japan

Studer Input Line Transformers Rare...

$1,331.00 USD

Studer Input Line Transformers Rare...

$1,331.00 USD

Triad-Utrad F-42A Filament Transformer

USA

Triad-Utrad F-42A Filament Transformer

$44.99 USD

Triad-Utrad F-42A Filament Transformer

$44.99 USD

Superior Electric Powerstat Variable Transformer Type 10

USA

Superior Electric Powerstat Variable...

$45.00 USD

Superior Electric Powerstat Variable...

$45.00 USD

Stancor BO-1 Vintage Output Transformers x 2

USA

Stancor BO-1 Vintage Output...

$450.00 USD

Stancor BO-1 Vintage Output...

$450.00 USD

Peerless input transformers from IPC Western Electric AM1026 AM1027 amplifiers

Canada

Peerless input transformers from IPC...

$450.00 CAD

Peerless input transformers from IPC...

$450.00 CAD

1 Dynaco 440 triad UTC output transformers DIY

USA

1 Dynaco 440 triad UTC output ...

$349.99 USD

1 Dynaco 440 triad UTC output ...

$349.99 USD

Magnequest Bcp-16 Grid Choke Pair

Japan

Magnequest Bcp-16 Grid Choke Pair

$267.05 USD

Magnequest Bcp-16 Grid Choke Pair

$267.05 USD

E.F. JOHNSON Neutralizing Capacitor Max. 11/Min. 1.4

USA

E.F. JOHNSON Neutralizing Capacitor...

$49.95 USD

E.F. JOHNSON Neutralizing Capacitor...

$49.95 USD

1 Pair of U.S. UTC Military 5K:8 Ω Nickel Alloy Output Transformer 4 Vintage AMP

China

1 Pair of U.S. UTC Military 5K:8 Ω...

$36.55 USD

1 Pair of U.S. UTC Military 5K:8 Ω...

$36.55 USD

Pair of vintage UTC HA-133 transformers

USA

Pair of vintage UTC HA-133 transformers

$750.00 USD

Pair of vintage UTC HA-133 transformers

$750.00 USD

ORTOFON T-30 Step Up Transformer MC Phono Cartridge

Bulgaria

ORTOFON T-30 Step Up Transformer MC...

$750.00 USD

ORTOFON T-30 Step Up Transformer MC...

$750.00 USD

Thordarson T-19P56 Ham Radio Audio Amp Tube Plate High Voltage Transformer

USA

Thordarson T-19P56 Ham Radio Audio...

$94.95 USD

Thordarson T-19P56 Ham Radio Audio...

$94.95 USD

Hammond 850H line Isolation audio transformers 150/600 to 300/1200 X8

Canada

Hammond 850H line Isolation audio...

$220.00 CAD

Hammond 850H line Isolation audio...

$220.00 CAD

Moving Coil Phono Step Up w/ Beyerdynamic 1:15/1:30 Transformers MC SUT

USA

Moving Coil Phono Step Up w/...

$220.00 USD

Moving Coil Phono Step Up w/...

$220.00 USD

TANGO PH-70 Power Transformer 2 pcs. with box / unused

Japan

TANGO PH-70 Power Transformer 2 pcs....

$369.00 USD

TANGO PH-70 Power Transformer 2 pcs....

$369.00 USD

Vintage Thordarson audio input transformer T-466557-f 299629-2 Military untested

USA

Vintage Thordarson audio input...

$130.00 USD

Vintage Thordarson audio input...

$130.00 USD

USED Pair Hirata TANGO U-808 for 45, 2A3, 300B, PX25

Japan

USED Pair Hirata TANGO U-808 for 45,...

$600.00 USD

USED Pair Hirata TANGO U-808 for 45,...

$600.00 USD

30+ KS- Western Electric Tube Amplifier Trans -- Choose ONE ! _ 310, 274, 300b

USA

30+ KS- Western Electric Tube...

$239.00 USD

30+ KS- Western Electric Tube...

$239.00 USD

PT275.2 (USA) POWER TRANSFORMER TUBE AUDIO (550Vac) 275-0-55-275 x100mA

USA

PT275.2 (USA) POWER TRANSFORMER TUBE...

$57.95 USD

PT275.2 (USA) POWER TRANSFORMER TUBE...

$57.95 USD

NOS NIB THORDARSON Push Pull Interstage TRANSFORMER T-13A36

USA

NOS NIB THORDARSON Push Pull...

$66.45 USD

NOS NIB THORDARSON Push Pull...

$66.45 USD

Eico 32013-0 Output Transformers Single PP 6BQ5 HF81 HF86

USA

Eico 32013-0 Output Transformers...

$124.95 USD

Eico 32013-0 Output Transformers...

$124.95 USD

2 X NEW OLD STOCK FREED 600 (150 + 150) OHM : 15000 OHM AUDIO INPUT TRANSFORMER

Hong Kong

2 X NEW OLD STOCK FREED 600 (150 +...

$289.98 USD

2 X NEW OLD STOCK FREED 600 (150 +...

$289.98 USD

Transformer walthamstow 6V vintage unit WWII power supply

Germany

Transformer walthamstow 6V vintage...

$24.00 GBP

Transformer walthamstow 6V vintage...

$24.00 GBP

Western Electric REP 111C vintage transformer Audio Line Matching

Taiwan

Western Electric REP 111C vintage...

$1,080.00 USD

Western Electric REP 111C vintage...

$1,080.00 USD

Bogen Tube Mic Phono Preamp

USA

Bogen Tube Mic Phono Preamp

$395.00 USD

Bogen Tube Mic Phono Preamp

$395.00 USD

Pair of Sansui Q-50 Output Transformers -- RM

USA

Pair of Sansui Q-50 Output...

$395.00 USD

Pair of Sansui Q-50 Output...

$395.00 USD

German High quality audio transformer

Bulgaria

German High quality audio transformer

$39.00 USD

German High quality audio transformer

$39.00 USD

2 X SESCOM MI-54 5K : 5K OR 10K AUDIO MATCHING TRANSFORMER

Hong Kong

2 X SESCOM MI-54 5K : 5K OR 10K AUDIO...

$89.98 USD

2 X SESCOM MI-54 5K : 5K OR 10K AUDIO...

$89.98 USD

Audio output transformer for Single-ended Tube amp! EL84 / 6L6 / 6V6 / EL34! NOS

Russian Federation

Audio output transformer for...

$38.00 USD

Audio output transformer for...

$38.00 USD

Stancor A-8098 2000 ohm 15 Watt Push Pull Tube Output Transformers

USA

Stancor A-8098 2000 ohm 15 Watt Push...

$199.95 USD

Stancor A-8098 2000 ohm 15 Watt Push...

$199.95 USD

RCA Transformer XT-2452

USA

RCA Transformer XT-2452

$175.00 USD

RCA Transformer XT-2452

$175.00 USD

HASHIMOTO -012 6209SS PP Tube Output Transformer (Pair) 6bq5 EL84

USA

HASHIMOTO -012 6209SS PP Tube Output...

$255.00 USD

HASHIMOTO -012 6209SS PP Tube Output...

$255.00 USD

Pair TANGO output transformers for 2A3, 45, 300B vv..vv Japan F/S

Japan

Pair TANGO output transformers for...

$640.00 USD

Pair TANGO output transformers for...

$640.00 USD

A Pair of Single-Ended Tube Output Transformers Hashimoto H-507S 6V6 6F6 7189 45

USA

A Pair of Single-Ended Tube Output...

$514.00 USD

A Pair of Single-Ended Tube Output...

$514.00 USD

HP / Paeco 9120-0018 Audio Transformer

Israel

HP / Paeco 9120-0018 Audio Transformer

$35.00 USD

HP / Paeco 9120-0018 Audio Transformer

$35.00 USD

Rare and Vintage McMartin MT-4 Input Transformer

USA

Rare and Vintage McMartin MT-4 Input...

$117.50 USD

Rare and Vintage McMartin MT-4 Input...

$117.50 USD

Northlake Engineering Model C131-105 T4 Interstage / Output Transformers

USA

Northlake Engineering Model C131-105 ...

$35.99 USD

Northlake Engineering Model C131-105 ...

$35.99 USD

Kenyon T-478 Modulation Transformer 16KΩ 225W 7000Ω/5000Ω/3500Ω Free Shipping

USA

Kenyon T-478 Modulation Transformer...

$127.46 USD

Kenyon T-478 Modulation Transformer...

$127.46 USD

UTC HA-108X Transformer for Tube Amplifier Mixer Mic Amp etc - Military Grade

USA

UTC HA-108X Transformer for Tube...

$279.95 USD

UTC HA-108X Transformer for Tube...

$279.95 USD

2 Pcs BEYER Dynamic TR 45 BV.35536 Ratio 1.5 Input Microphone Transformer

Israel

2 Pcs BEYER Dynamic TR 45 BV.35536...

$69.90 USD

2 Pcs BEYER Dynamic TR 45 BV.35536...

$69.90 USD

vintage STANCOR PC830 PLATE TRANSFORMER - Working - 415-0-415 V @ 200 MA. D.C.

USA

vintage STANCOR PC830 PLATE...

$55.00 USD

vintage STANCOR PC830 PLATE...

$55.00 USD

Original audio Input transformer for UREI LA-3A

USA

Original audio Input transformer for...

$55.00 USD

Original audio Input transformer for...

$55.00 USD

Tamura Matching Transformer Td-2 10K 600 Used Product Pieces Set

Japan

Tamura Matching Transformer Td-2 10K...

$274.94 USD

Tamura Matching Transformer Td-2 10K...

$274.94 USD

Pair Hashimoto A-115 Interstage Transformers 2A3 300B 45 Tube

USA

Pair Hashimoto A-115 Interstage...

$540.00 USD

Pair Hashimoto A-115 Interstage...

$540.00 USD