UTC LS 71A Power Transformer For 2A3 300B 6B4G Push Pull SET Tube Amp 17LB LS3
Item History & Price
| Reference Number: Avaluer:29713319 |
Up for sale is a rarely seen UTC LS series Power Transformers. All coils are tested with a meter and a signal generator / scope. There is No Open or Shorts in Primary and Secondary!
UTC Model LS 71A and it is suitable for that dream 300B or 2A3 or 6B4G (Push Pull or Single Ended) Circuits with various filter circuit.
Pins have solders and wires from the previous use.
Primary has marked with multi voltage tabs from 0, 100/105/110/115/120/125V AC.
Secondary i...s marked 375-0-375 for High Voltage and there are many other tabs for the filament duty which are all center tabbed for hum balancing.
Here is the actual measurement taken with the Digital Volt Meter.
Primary connected to 0 and 120V tab.
Secondary measured at 475-0-475 Volt AC Unloaded.
Filament Winding 1 marked for 6V measured at 6V (3-0-3) Volt AC.
Filament Winding 2 marked for 6V measured at 6V (3-0-3) Volt AC.
Filament Winding 3 marked for 6-LO measured at 6V (3-0-3) Volt AC.
Filament Winding 4 marked for 5 measured at 5.5V (2.7-0-2.7) Volt AC.
This is very high quality old black cast iron LS-3 case which weights about 15lbs or so. This has been professionally repainted to match the vintage patina and clear coated to preserve the glossy paint.
Please make sure you have experience with the High Voltage Transformer as they can be dangerous for you if you don't know what you are doing.
Reason for selling is that I bought more UTC Transformers and I ever have time to build my dream tube amps. I am selling what I don't need.
I will be listing many UTC Transformers in the next few days so check out my other items.
Please NOTE THAT this transformer is GOOD WORKING BUT IT IS SOLD AS-IS DUE TO AGE.
Return is NOT Accepted Due to the nature of the Vintage Item.
I only sell the good parts and want to make sure you get the good parts.
They will be packed well for safe shipping.
But International Buyer Will Have to Pay For Shipping Fees.
I will ship them Internationally with USPS Priority Insured.
UTC Model LS 71A and it is suitable for that dream 300B or 2A3 or 6B4G (Push Pull or Single Ended) Circuits with various filter circuit.
Pins have solders and wires from the previous use.
Primary has marked with multi voltage tabs from 0, 100/105/110/115/120/125V AC.
Secondary i...s marked 375-0-375 for High Voltage and there are many other tabs for the filament duty which are all center tabbed for hum balancing.
Here is the actual measurement taken with the Digital Volt Meter.
Primary connected to 0 and 120V tab.
Secondary measured at 475-0-475 Volt AC Unloaded.
Filament Winding 1 marked for 6V measured at 6V (3-0-3) Volt AC.
Filament Winding 2 marked for 6V measured at 6V (3-0-3) Volt AC.
Filament Winding 3 marked for 6-LO measured at 6V (3-0-3) Volt AC.
Filament Winding 4 marked for 5 measured at 5.5V (2.7-0-2.7) Volt AC.
This is very high quality old black cast iron LS-3 case which weights about 15lbs or so. This has been professionally repainted to match the vintage patina and clear coated to preserve the glossy paint.
Please make sure you have experience with the High Voltage Transformer as they can be dangerous for you if you don't know what you are doing.
Reason for selling is that I bought more UTC Transformers and I ever have time to build my dream tube amps. I am selling what I don't need.
I will be listing many UTC Transformers in the next few days so check out my other items.
Please NOTE THAT this transformer is GOOD WORKING BUT IT IS SOLD AS-IS DUE TO AGE.
Return is NOT Accepted Due to the nature of the Vintage Item.
I only sell the good parts and want to make sure you get the good parts.
They will be packed well for safe shipping.
But International Buyer Will Have to Pay For Shipping Fees.
I will ship them Internationally with USPS Priority Insured.
