This is an old old sub, no phase switch, no outputs. I just wondered if switching cables around effectively done the same thing as a phase switch would or if it goes about it in a different way.

The preamp does not have sub or LFE out is the reason for the Y. I really think it's the phase issue I just have to do a bit more listening. It was late last night when I switched the cables, at low levels it seems to have done the trick, I didn't want to wake anyone.

Markw, is that 1600 pretty good? Any idea what retail was? I saw a 1600 with 2100 power amp on Craigslist. I don't need any more equipment but they were selling it for an estate and it could be cheap.

Kex good to see you back, I've been missing you on the Metal threads.

Good to know the voltage remains, even stronger evidence it might have been phase. I just never thought of cables like that effecting phase but I guess if L/R went to sub and R/L went to amp to where they were opposite it could. Maybe I never ran across this before in my regular set ups because I'm pretty OCD about the left to left etc. I just broke my rules and didn't pay attention when doing this sub.

I played with positioning a lot when I first brought the sub in and the 5400 was in the system. So I didn't think it was so much acoustic since I just switched amps.

Also, as a side note, talking about a system on a budget you all would not believe the bass response this 5500 and Dynaudio Audience 60's can do without a sub. The sound is just crazy for a 6 1/2" driver.