Re: Ohms and the affects on Amp heads..?


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Posted by Kevin Klein on June 27, 2000 at 00:06:46:

In Reply to: Re: Ohms and the affects on Amp heads..? posted by El Pájaro on May 20, 2000 at 10:29:08:

: : Hey all

: : Had a question that I have to ask after reading some amp posts a few pages down the list here..... How do Ohms affect sounds on amps...someone said that with eden heads it would be better to hook up two cabs and draw 4 ohms out of both for a combined total of 8...can someone explain this to me? I know that an ohm is actually resistance to current in electrical terms but how does this affect sound....does this have anything with running your amp Mono or stereo? This bring me to another question..why would you want to split up your signal to stero if you're using a bass guitar? Stereo is like separation..so what would that do??? I need to know!! Do tell!!

: : Thanks Bass brothers!

: : Brock

: Hey there,
: Rob is right. I would like to add, though, that separation between higs and lows to different cabinets (this is usually done with a crossover, which splits the signal at any given frequency and sends both signals to separate dedicated power amps)is perhaps the most effective way to add effects to your bass. The main problem with all bass effects is that they can muddy up the bottom end. So if you want to add effects AND keep your bottom end souding clear and focussed, splitting the signal and applying your chorus, distortion, etc., to the high end is the most logical way to go.
: As far as stereo goes, I know a few players do it, but IMHO is not very useful. To fully appreciate the stereo sensation, you'll need two sets of speakers one in each side of the stage, which would be kind of distracting and wouldn't add much to the performance, anyway. On the other hand, if you split your signal to setero but keep all of your speakers in one place of the stage, neither you nor the audience will appreciate it. The most effective use of stero and stereo effects, as far as I can tell, is done one recordings. For example, if a guitarist applies delay to his signal and can assign every repetition to a different spot in the stero field, it sounds pretty cool indeed. Otherwise, I don't see stereo separation as being useful at all.
: that's my two pennies. Hope this helped.
: El Pájaro.


Question on the crossover thing. Do you need a total of 2 or 3 power amps to do it? I just got a Peavey Firebass700, which is crossover enabled. Do I need 2 separate heads plugged into the low and high crossover outlets, then plugged into speakers, or can I use the Peavey as one of the crossover channels? Strangely enough, my practice amp, a Peavey Minx, has a power amp input as well. Wouldn't this end up sounding like ass compared to my Hartke 210 and Ampeg SVT15E? Anyway, any and all help is appreciated and all that.

Thanks,
Kevin



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