This “AF output transformer calculator” script is written using Python and it works with most of the commonly available Python interpreters. The script is available to download at elect.wikispaces.com under the terms of GNU General Public License version 3.0.
|Homebrewed 25k : 4 output transformer|
Once supplied the input parameters this script provide winding ratio, number of turns required for primary and secondary winding and required copper wire gauges for both primary and secondary windings, etc.
We construct several AF output transformers based on results of this script, which including transformers for Mullard 7W and 10W power amplifiers, several 6N6C/6V6GT and 6L6G based power amplifiers, etc.