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Sansui SW-50-5 Rare Large Output Transformers x2 Tested Japan 01

By |July 22nd, 2026|

Also ideal for maintenance or restoration of SANSUI tube amplifiers. We are located in Japan. This item is 100% authentic, official Japanese goods. Nothing else is provided.

Vtg ITT Plug-In Transformer

By |July 22nd, 2026|

Allen Organ Tube Amplifier Output Transformer Has Multiple Isolated Taps

By |July 22nd, 2026|

Hammond 1609 Audio Transformer 10W 10,000 Ohm C.T. 4/8/16 Ohm Output

By |July 22nd, 2026|

DigiKey Part NumberHM4116-NDManufacturerHammond ManufacturingManufacturer Product Number1609DescriptionXFMR 10KCT / 4, 8, 16 CHAS MNTManufacturer Standard Lead Time6 WeeksCustomer ReferenceDetailed Description10kCT Impedance Primary Ohms 4, 8, 16 Impedance Secondary Ohms Audio Transformer 30Hz ~ 30kHz Chassis Mount

OT20PP- VC87 Output transformer 25VA & 8K/6K6 to 4/8/16 ohm

By |July 22nd, 2026|

We're using audio grade 29M6 laminations and bobbin wound construction. It's a 2x1 interleaved winding with two input impedances and three output impedances. It's surface mounts by a 4 screw x-mount.

OT20PP- STD Output transformer 25VA & 8K/6K6 to 4/8/16 ohm

By |July 22nd, 2026|

We're using audio grade 29M6 laminations and bobbin wound construction. It's a 2x1 interleaved winding with two input impedances and three output impedances. It's surface mounts by a 4 screw x-mount.

OT20PP- HC87 Output transformer 25VA & 8K/6K6 to 4/8/16 ohm

By |July 22nd, 2026|

We're using audio grade 29M6 laminations and bobbin wound construction. It's a 2x1 interleaved winding with two input impedances and three output impedances. It's surface mounts by a 4 screw x-mount.

UTAH Power Transformer VPT-1 (5v, 6.3v, 325-0-325vct) Clean! Tested!

By |July 22nd, 2026|

Offered is the UTAH Power Transformer type VPT-1. The transformer is clean and good condition, Ratings 117VAC, 60 cycle primary and secondary as follows: 5.0VAC, 6.3VAC and 325-0-325 centertapped volts AC. (DMM measured: 360-0-360 centertapped volts AC). The transformer measures: 3-3/4 X 3-1/8 X 3-1/2 inches in thickness. Leads are between 3 and 5 inches in length. About 5 pounds packed up. Half-Shell mounting is by corner screws with centers at 3-1/8 and 2-1/2 inches. Grab the transformer for your own DIY amp project or for replacement use in a radio. Mouse over the photo images to zoom in. NO RESERVE!! Thanks for looking.

vintage transformer 20 Volts at 1.2 Amps. With Fuse

By |July 22nd, 2026|

Tested at 20 volts 1.2 amps, the no load voltage is 23 volts, Measures 2 1/4 x 2 x 1 1/2” face to face. Mounting holes 2 3/4”

Old JEFFERSON Type B Signal Transformer 6/14/20 volts Tests OK! 5 1/2 POUNDS!

By |July 22nd, 2026|

Offered is the big giant JEFFERSON Type B Signal Transformer. Rated for 6, 14 and 20 Volts. The transformer housing is clean and free of rust. The wire leads have some frayed cloth insulation-each has a nice white porcelain insulator. Jefferson nameplate is clean and in good condition. DMM tested-values are shown in the photo images. Likely 1930's vintage. Suitable for your doorbell or for a toy train setup for accessory power and many other uses. 4 X 5 X 3-1/2 inches in size. A little over 6 pounds packed up. Mouse over the photo images to zoom in. Choose Ground Advantage Shipping for cost saving. NO RESERVE!! Thanks for looking.