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Fully 60 Hz AC tested and guaranteed vintage tube amp 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 1963. IEA date code 2746349-2. Weighs 4 lbs 14 oz. Bolt spacings 2-13/16" by 2-1/2". Quantity sometimes available - please enquire.
Here are the verified connections for this transformer:
Input: 117V
Outputs:
6.3 VAC
117 VAC, for use as isolation transformer or for series tube heaters
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-012.
Fully 60 Hz AC tested and guaranteed vintage tube amp 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 1963. IEA date code 2746349-2. Weighs 4 lbs 14 oz. Bolt spacings 2-13/16" by 2-1/2". Quantity sometimes available - please enquire.
Here are the verified connections for this transformer:
Input: 117V
Outputs:
6.3 VAC
117 VAC, for use as isolation transformer or for series tube heaters
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-012.
