Bush DAC90A O/P Transformer replacements

[Radio Fixer]

In my opinion its not that critical. Providing you use a Xformer, of similar size, from a pentode set in a pentode set up (and triode for triode) and the speaker is the same Z it will work with no problems. For a more upmarket set then it may make a difference to quality and for Philips sets you may have feedback and hum reducing windings to think about.

Gary