Hopefully you will get your answer from an Allison owner. If not I've seen your post in the other forum and I believe the rub is that some speakers may have extra binding posts but that the internal high/low x-overs are not actually independent.
I use to service Allison's and do not remember that being the case but I will not stake my life on it as it was a long time ago.
However it seems to me that there is a very easy way to tell if the posts will work for biamping if you have a SS amp available for a simple test.
1) remove the jumpers
2) hook up the hot and ground the to the "lows", you should only get the bass.
3) move the hot and ground up to the "highs", you should only get mids and highs.
4) hook up the ground of the "lows" and the hot of the "highs", you should get nothing.
5)hook up the "hot" of the "lows" with the ground of the "highs", again you should have nothing.
Of course be sure to turn off the amp when you swap connections around and to be safe remember that no matter how you criss cross the wires to the binding posts on the back of the speaker you always want one hot and one ground at any given time. Also do not use a tube amp for this test as tube amps do not like to be unloaded when amplifying a signal.
Hope this helps.
I use to service Allison's and do not remember that being the case but I will not stake my life on it as it was a long time ago.
However it seems to me that there is a very easy way to tell if the posts will work for biamping if you have a SS amp available for a simple test.
1) remove the jumpers
2) hook up the hot and ground the to the "lows", you should only get the bass.
3) move the hot and ground up to the "highs", you should only get mids and highs.
4) hook up the ground of the "lows" and the hot of the "highs", you should get nothing.
5)hook up the "hot" of the "lows" with the ground of the "highs", again you should have nothing.
Of course be sure to turn off the amp when you swap connections around and to be safe remember that no matter how you criss cross the wires to the binding posts on the back of the speaker you always want one hot and one ground at any given time. Also do not use a tube amp for this test as tube amps do not like to be unloaded when amplifying a signal.
Hope this helps.