teemu, I could be wrong, but I think what he found odd was the enamel winding wires from the transformer soldered directly to the speaker. As opposed to the winding wires going to a terminal strip and then the speaker wires connected there. So the physical arrangement rather than the electrical aspect. At least that is how I read it.
Yes, this is what I meant, the physical arrangement I had not seen before.
It makes sense to do that in a budget guitar amp where they are pinching pennys.
The question was sort of rhetorical.
Sorry, I should ask questions where I actually expect an answer, rather than "thinking out loud".
For the record, I am familiar with field coil speakers,
well... familiar in the sense that I had on old "portable" record player (my Dads) long ago that I took apart to "see how it worked".
(ahh, curious youth)
It had field coil speakers.
I stripped it down to attempt to build a rather crude guitar amp.
My Dad didn't mind, he had bought a fancy "new" stereo music system.
I knew enough to know that the guitar input would have to be hooked up where the needle cartridge was connected.
It didn't sound very good....
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