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Transformer - Audio Interstage, 10 mA
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| SKU: | P-T156 |
| Item ID: | 003437 |
Price: $16.95
In stock
Equivalent to Stancor A53-C. 1:3 ratio overall. Center tapped secondary may be used for push-pull grids.
Specifications:
- Max. Primary Current: 10 mA
- Impedance Primary to Secondary (Ohms): 10,000 to 90,000
UPC/EAN: 841358109713
Accessory Items:
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I used a couple of these on an Atwater Kent model 20 big box, and worked fine.
Perfect drop in replacement for audio interstage transformer for Gibson white panel amps that use a transformer for phase inverter.
Used it to replace a driver transformer for p-p 45s in a GM-253 lowboy ca. 1931-32. Original transformer primary went open after about a month when restored set started being used 2-3 hours a day. My heart sank when I found the open transformer, then found this and was ecstatic. May buy a couple just to have on hand. The set is working great, and its 88 years old!
Very pleased! Worked very well in my set!
I was restoring a Freed-Eismann model 15 TRF receiver with two bad audio transformers. This AES transformer is small enough that I could mount two under the chassis and out of site. The sound quality is very good and with enough power to play very loudly on a 1920s Atwater Kent cone speaker (model E as I recall). I also was able to hide this transformer in the can of an AK 20 audio transformer with an open winding (melted out the tar in a stove top oven, gradually raising the temperature until the tar was soft enough to pull out the entire mess with one gentle pull.
These transformers will work in about any 1920s radio. They are an inexpensive fix for most radios from the 1920s and can be used in other applications. They used to offer this transformer without the iron, just the coil by its self which could be used to replace the open coil in some radio transformers. That way you were able to keep the old transformer and have a new coil in it. I wish they still offered those. The only drawback on these is that they do not have as much bass to them as many of the original transformers had.
I forgot to say that on the Atwater Kent model 20 radio the original transformers are in round metal cans. There is tar holding the old transformers in the can. I use a heat gun that is used to remove paint from walls to heat the cans and get the old transformers out. I had to clean and paint the cans black. I used five cotton balls in the top of the cans to hold the new transformers in place.
I used two of these transformers in an Atwater Kent model 20 TRF receiver. The transformers fit inside the two metal cans that the original transformers were in. When looking in the radio you can't tell it has new transformers. If you take the radio out of the cabinet you can see the new wires, but that is okay. The radio now works.
Perfect for restoration of Atwater Kent Breadboard radios 10 etc. Fits inside 3-tube unit TA and works perfectly.
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