I used to have some ARRL books, always preferred them to the RSGB ones, maths is not my best subject but I manage, plenty of online calculators these days which makes things a lot easier.
Ref the Saalburg, have you figured out why a tapped primary audio output transformer is used yet, that system is used in many valved receivers.
Lawrence.
Ref the Saalburg, have you figured out why a tapped primary audio output transformer is used yet, that system is used in many valved receivers.
Lawrence.
