- Amps [BG]
|MrRubi04 ||08-08-2013 04:16 PM |
I am planning to use (temporarily) an Ampeg 4x10 cab rated at 4 ohms in combination with two PA speakers rated at 8 ohms as a PA upgrade, running off a PA amp rated at 1000 watts @ 2 ohm; 500 w @ 4 ohm and 250@8 ohms, if possible. What I want to know is if I daisy-chain the Ampeg on to one leg of the amp output with one 8 ohm speaker, which will reduce the load to 6 (?) ohms, and leave the other channel wit the 8 ohm speaker, will this damage the amp? Conversely, if I daisy-chain from both 8 ohm speakers into each of the inputs on the cab, will it damage the cab? This will be a one-shot deal, if it works without blowing up anything! But, if it's not a good idea, no problem either! Any thoughts on this?:help:
|BurningSkies ||08-08-2013 04:21 PM |
Stereo amp? 500w @ minimum impedance of 4 ohms per channel?
Or is it mono, with two outputs off the same channel for a total minimum impedance of 2ohms?
Either way, you don't want two outputs from an amp into one cab.
Edited again to say that if you daisy chain a 4ohm cab and an 8ohm cab you don't get a 6ohm load, you get a 2.67ohm load.
|BassmanPaul ||08-08-2013 05:27 PM |
If you have a stereo power amp I would use one channel to feed the Ampeg and the second to feed the PA cabinets. How well the whole system will work is conjecture.
|RickenBoogie ||08-08-2013 07:10 PM |
Whatever else you do, do not plug 2 cabs into 1 cab, or 2 amps into 1 cab. And, +1 to BPauls suggestion, running the 4 ohm cab off one side of the amp, and the 2 8 ohm cabs off the other side. Balance is achieved, 4 ohms per side.
|MrRubi04 ||08-08-2013 09:29 PM |
@ RickenBoogie & BassmanPaul - thank you SO much - I never thought of doing that, two 8 ohm cabs on one output & the Ampeg 4 ohm on the other! Symmetry is preserved (impedance-wise).
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