Re: Problems going from stereo to mono

["David Buckley" <db@xxxxxxxxxxx>]

--- In ukha_d@xxxxxxx, Gareth Cook <g@u...> wrote:
> To feed a mono signal, ive just looped both positive connections
> and both negatives together - they then go to  the speaker itself.


As you've probably noted by now, this is a no-no.

The speakers mentioned that have four terminals - the stereo is
combined mechanically, not electrically, by the simple expedient of
the speaker have two voice coils, one for each channel...

There is no easy way to combine speaker level signals and get a
speaker output, you need to mix them with a passive mixer, and then
reamplify.

The non-easy way to mix speaker level signals is with a hybrid
transformer setup, but that will cost Big Money, as well as be a bit
hard to get hold of...  I haven't seen one for a couple of decades.