[Wayne A. Pflughaupt]

P.s. I can't use the link to your rig. I haven't sufficient privileges.

The problem was on my end – it should be working now.

I use a three way crossover (mono) Tri-amped, a power amp for each band (3) of them. Altec 811 horns on top short-flared horn for the mids and a 18” subwoofers. This step of finding the crossover points and attenuation is probability the first thing to do.

How would I start?

To find the crossover points, just run an REW sweep through each speaker seperately – horn, mid and sub. With the main speakers, make sure they are disconnected the drivers from any passive crossovers, or if they have separate high and low input jacks for bi-amping, use those.

After you get a reading for each driver, notice where the horn starts to roll out. (It will probably be somewhere around 1000 Hz.) You’ll want to set your high pass for about 1/2-octave above the point where the horn starts to roll out. Keep the levels low – maybe 70 dB – so you don’t damage the high frequency horn.

Next, see where your mid starts to roll out at the bottom end. It will probably be around 125-200 Hz. Where it starts to roll out is where you’ll want to set your crossover point between the mid and sub.

Once you have the crossover frequencies set, you need to set the respective levels. REW can help here, too. Take a sweep and notice the lows, mids and highs in relation to each other. If one is really “hot” or lacking, it should show up. When it’s all set right, you’ll probably want the highs a bit lower than mids, and the lows a bit higher than the mids.

Another good way to do the level-setting is to play a pink noise signal through the lows, mids, and highs separately and see what SPL each is reading. Again, you’ll probably want the lows with the highest SPL, followed by the mids and highs.

Would delay processor help me (the bass) and the kick drum?

It won’t do anything for a muddy bass problem, but I have heard that delaying the full system to time-align it with the backline makes a noticeable difference. Never tried it myself, though...

Can you point me in the right direction to learn about solutions to this problem?

You mean the problem of getting the other members to cooperate and dial down all their lows? The only think I can think of is posting a question for suggestions in the Band Management and Performance Forum at Talkbass.com.

Regards,
Wayne