Here is what happened. I acquired a 4x12 cab it was loaded with Eminence Lady Luck speakers. The cabinet is rated at 16ohms. I do not have a amp that works with a 16ohm load so I removed 2 of the speakers and wired them for an 8ohm load. So the cab is now a 2x12 @ 8ohms.
I then acquired another set of speakers an Eminence Man-o-war and and Eminence Governor. I put those in the cab as well but wired them too 2x12 @ 8ohms. The cab now has 2 separate sets of 2x12's with 2 separate input jacks for each set of speakers.
Both sets of speakers sound great as pairs but here is the problem:
When I connect the amplifier to both sets of speakers at the same time at a 4 ohm load there is very little or no bass at all. It sounds very tinny. However the speaker pairs by themselves sound normal.
I also did another comparison. I connected one 8ohm pair from the new cabinet to the amp and also connected a different 8 ohm 4x12 cab to the amp. All 6 speakers sounded excellent together. I then switched to the other pair in the new cab and they too sounded good.
Could it be the polarity? I made sure to check that all the polarity was correct. But it seems like they are cancelling each other out. This is how I have them connected to the amp:
I then acquired another set of speakers an Eminence Man-o-war and and Eminence Governor. I put those in the cab as well but wired them too 2x12 @ 8ohms. The cab now has 2 separate sets of 2x12's with 2 separate input jacks for each set of speakers.
Both sets of speakers sound great as pairs but here is the problem:
When I connect the amplifier to both sets of speakers at the same time at a 4 ohm load there is very little or no bass at all. It sounds very tinny. However the speaker pairs by themselves sound normal.
I also did another comparison. I connected one 8ohm pair from the new cabinet to the amp and also connected a different 8 ohm 4x12 cab to the amp. All 6 speakers sounded excellent together. I then switched to the other pair in the new cab and they too sounded good.
Could it be the polarity? I made sure to check that all the polarity was correct. But it seems like they are cancelling each other out. This is how I have them connected to the amp:
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