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Booming low notes, can't hear the high ones.

I just looked at the Peavey's manual. Don't use the Aux In jack.

Use the Effect Loop Return jack. The manual states that if using the amp as a slave, you should drive it from the effects return jack. That's the direct input to the power amp - not the Aux In.
 
I just looked at the Peavey's manual. Don't use the Aux In jack.

Use the Effect Loop Return jack. The manual states that if using the amp as a slave, you should drive it from the effects return jack. That's the direct input to the power amp - not the Aux In.

While he did use the Effects In jack, the manual doesn't state the input sensitivity/limit of the effects loop and that's why I think this combo isn't really a good match. Gain from the preamp is one thing, but when gain from the Peavey is added, as well as EQ from the BBE, it's just too much for the Peavey preamp to handle.
 
To the OP- did you try the cabinets with only the Peavey? How did it sound? What, exactly, do you want or expect the BBE to do for you that a stand-alone effect won't/can't? If you really need/want the BBE effect, it would be far better to use a separate effect. That would be compatible with the effects loop because it doesn't add a lot of gain and you would still get the effect. Using the parametric on the BBE AND the EQ on the Peavey is a great way to cause this kind of thing, too. If you bypass both EQ sections and the sound is a lot quieter, you'll know this is why.

I would try to get a good sound with just the Peavey before going any farther with other add-ons.
 
I think 1958Bassman may be onto something. Whenever I tried to use a head as just a power amp fed by a separate pre, I was asking for trouble.

Have you tried the head and cabs w/o the BBE?

Yes, I first tried using my Peavey Mark VI. It's my old " standby". Actually has always been my favorite amp cause I got such a great tone using it. However never used it before using 2 bass cabs. It was pretty frustrating trying to get a decent tone. I used the Mark VI when I first set up my equip a couple of hours before the gig. I didn't notice the same booming but I did not have it up so " gig " volume either. I just know I could not get a decent tone.
 
Going from a preamp out to the effects loop input is about what I would think will cause this. If it sounded garbled and bassy, you were probably overdriving the effects loop. Try it by plugging into the Effects Out of the BBE. The BBE shows Max output as +22dBu, which is pretty hot and the Tour 450 shows Power Amp sensitivity as 750mV, which is very sensitive.

You need to make sure the gain stages are set up correctly for max clean signal. Also, using a preamp to feed another preamp, both with tone/level controls is asking for trouble. If you use one for the controls, leave the other one neutral, so they can't add to each other.

Going from the BMAX " Main out " into the Peavey Tour 450 " Effects Return " is the recommended way to hook these two together as it totally bypasses the preamp in the 450. The preamp controls on the 450 have absolutely no effect after connecting the BMAX into the " effects return ".
 
To the OP- did you try the cabinets with only the Peavey? How did it sound? What, exactly, do you want or expect the BBE to do for you that a stand-alone effect won't/can't? If you really need/want the BBE effect, it would be far better to use a separate effect. That would be compatible with the effects loop because it doesn't add a lot of gain and you would still get the effect. Using the parametric on the BBE AND the EQ on the Peavey is a great way to cause this kind of thing, too. If you bypass both EQ sections and the sound is a lot quieter, you'll know this is why.

I would try to get a good sound with just the Peavey before going any farther with other add-ons.

Yes, I first tried using my Peavey Mark VI. It's my old " standby". Actually has always been my favorite amp cause I got such a great tone using it. However never used it before using the bass cabs I have now. 410 and 115. I was using two Peavey 210 TX cabs. It was pretty frustrating trying to get a decent tone. I used the Mark VI when I first set up my equip a couple of hours before the gig. I didn't notice the same booming but I did not have it up so " gig " volume either. I just know I could not get a decent tone.

As to what what I was hoping for using the BMAX T; I was wanting to experiment and find that " perfect elusive tone". I guess. Since the BMAX T has a tube in it I was hoping for a bit of a warmer tone. Not that the tone I was getting in the past was bad, just experimenting more than anything I guess. However, the tone I was getting in the past was using my Peavey Mark VI and a pair of matching Peavey TX 210 cabs. However, those cabs were stolen from my storage unit about 2 years ago. I figured I would replace them with something a little more powerful and with something that I thought would improve the over all sound by going with the 410 and the 115 cabs.
 
+1 to:

a) making sure the BBE isn't overriding the effects loop on the Peavey

b) trying the set up without the BBE - just straight into the Peavey head and cabs AT GIG VOLUME - this is a good set-up on its own and will help you eliminate what could be wrong...

Thanks, Yes I think I'm going to take everything to my sons garage so I can crank it up and find out what works and what doesn't.. Thanks so much everyone for your suggestions and comments.. I really appreciate your concern and time. .
 
....or the venue room just sucked:) Had one of those Saturday nite-with all my normal gig gear running at normal gig volume, the whole place had a "resonant frequency" of F sharp. All was fine and dandy in my little world, unless I hit the magical Fsharp note and then the whole building (small bar) would shake/vibrate/feedback in sympathy with my magical Fsharp-inducing Warwick bass:) Seriously, though, it does happen. Try cranking your rig up in a different room and see what happens. Good luck, dude.
 
Sounds like the room was magnifying the phasing problems from using mis-matched cabs.
I doubt its the cabs fault.Them cabs pump very loud & are supposed to be together as ive read from the Peavey catalog.
It just maybe the room or just your not familar with gigging with that rig 'yet'.Trust me keep playing with settings & cabinet positions till you hit it on the head.It took me a long time to figure out how it all comes into play.
I would have gone with two of them Peavey 4x10.Then if its too much for a gig use only 1.Try just taking one cab to a gig or jam & give it a go youll get there.
 
I doubt its the cabs fault.Them cabs pump very loud & are supposed to be together as ive read from the Peavey catalog.
It just maybe the room or just your not familar with gigging with that rig 'yet'.Trust me keep playing with settings & cabinet positions till you hit it on the head.It took me a long time to figure out how it all comes into play.
I would have gone with two of them Peavey 4x10.Then if its too much for a gig use only 1.Try just taking one cab to a gig or jam & give it a go youll get there.

Don't get me wrong I love some Peavey gear, and they are usually pretty straight with their information.

That said anyone who says a 410 and a 115 are a food pairing is blowing some marketing be smoke.
 
Thats why its better to get 2 identical cabs like the Peavey 410`s or if you like that deep sound 2 - 15` Peavey cabs.
Can hear them 2 cabs from here' Downunder......its winter ya know !
Im sure it can work for him.If those cabs are that unsuited to each go out & get a good 2 channel stereo poweramp & send each cab its own signal but then you will probably need 2 preamps.You can make each of those cabs sing with that kind of control.
Thats what im doing now with Sansamps !
 

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