I need serious help with setting up my rig!!!!!
Ok i recently got a rackmount sans amp bassdriver after being annoyed by setting up the pedal at every gig.
My intention with it now is to get a poweramp to run with the sansamp as a preamp to be my bass head.
I have a fender bassman 4x10(700w programmable/350w continuous)at 8ohms and bassman 1x15(500wprogrammable and 250w continuous) at 8ohms.
I have no clue where to begin as far as ohms or wattage go and i obviously dont want to blow my cabs up so any help would be great as far as what wattage i should look into.
Ive been looking into Crown or QSC but again i have nonidea where to begin as far as ohms and wattage.
Have you considered a VT Bass head? It could be a simple solution.
I have a Crown XLS1000. It has enough power for what you need and enough flexibility in it's configuration options to do pretty much what you need.
I use mine in bridged mode (both channels working together) which on paper gives me 700 watts to power my 8 Ohm cab - but my cab is happy to take that amount of power.
In your case, you could run it bridged, but I wouldn't do that because running into both of your cabs wired in parallel it would provide 1100 watts and you would risk frying the cabs - This isn't inevitable by the way, plenty of people use amps that produce more power than their cabs are capable of handling, just that you have to be careful how you use that power. Your 115 cab is the weakest link, so you would need to make sure that it wasn't being overdriven, and in a bridged config it could be hard to tell exactly where you would need to set the input attenuator (volume) on the power amp to make sure it wasn't going to fry.
In your case, if you were using an XLS1000, I would configure it in "Input Y" mode so that each channel would get the same input signal. I would then run one output channel into the 410 and the other into the 115. This configuration would mean that running flat out the amp would be kicking 215 watts into each cab at 8 Ohms which should be a pretty good match and it wouldn't overload your 115.
Don't worry about the amp clipping, it has limiters that will stop any damage from that, and don't worry about the myth of damaging speakers by underpowering them. Running something like an XLS1000 in this mode would be a good match but other poweramps will do pretty much the same thing
Thank you so much!
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