PPI phantom 900X4 "ST/4CH switch question

[steele6794 10+ year member]

Hi, I'm a little embarrassed by this question but oh well. I am running a active two way setup and I was setting gains on the PPI phantom 900x4 and had that switch set on 4 CH. After gains were set the music was extremely "tinny" and it seemed like only my tweeters were getting juice because the mids were so quiet. The mids were playing but all midbass and pretty much everything from those speakers was severely lacking no matter what I did with the EQ or crossover points. When I put the switch on "ST" all depth came back to the mids. Do I leave it there or am I missing something? Thank you

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[Jeffdachef 5,000+ posts]

you need to understand what high pass and low pass crossovers do and what bandpass mode is. You set the crossovers completely wrong.

 

[steele6794 10+ year member]

Figured it out. Crossovers were fine, but thank you. Issue was with the RCAs