Fully 60 Hz AC tested and guaranteed vintage tube preamp transformer. AC testing using an oscilloscope allows us to find and reject transformers with noisy outputs, which a simple resistance or continuity test will not reveal. Made in USA in 1960 by Better Coil. IEA date code 8316032. Weighs 1 lbs 0 oz. Bolt spacings 60 mm by NA mm. Quantity sometimes available - please enquire.

Here are the verified connections for this transformer:

Input: 117V

Outputs:
180 VAC
6.3 VAC

6.3V is tap off of one HV line

We use a standardized wire identification scheme featuring bright cable ties. In case of any ambiguity, 117V input will be wrapped with a black cable tie, red is high-voltage, yellow is 5V for rectifier, green is 6.3V, blue is 12.6V, white is 117V out for use as an isolation transformer or tubes with series heaters, purple is a second (or third!) 6.3V output. The voltages run a bit higher when run at modern AC levels instead of the 117 VAC that was specified in the 1950s and 1960s. Serial number T-052.

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Listed4 years ago
ConditionExcellent (Used)
Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more
Brand
  • Better Coil
Model
  • PT-1001 Vintage Power Transformer Tested 180 / 6.3 V Tube Amp Project
Categories
Year
  • 1960

Product safety information may be available here.

Sound by Doc

Saint Louis, MO, United States
Joined Reverb:2020

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