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Discussion in 'Amps and Cabs [BG]' started by Youngspanion, Sep 30, 2008.
1. "Voicing" of the preamp, i.e., how it sounds when the EQ knobs are centered.
2. PA has microphone inputs
3. PA speakers are typically intended to be more full range
4. Bass amps tend to be more intelligently operated.
5. Some bass amps are designed to distort in a musically useful way
6. Consider relative size, weight, cost, etc.
If you have PA gear at your disposal, it's worth trying it out for bass use before buying a bass amp.
What exactly are you looking for. I own our PA, I DI into the PA through my amp, using my cab like a stage monitor.
What are you looking to do?
PA speakers are not designed for the heavy excursion delivered by a bass. They'll often be ruined when used as a bass speaker.
I want to have my Little mark 2 head work for vocals. Just plug a mic into the input and have vocals.
I think you can plug it right in with a few exceptions
I was told the inputs on most heads are "unbalanced" and a mic is a balanced signal. So you may have issues here
Secondly most mics have XLR inputs and amps are TRS 1/4
Thirdly you have no mixing console intermediate in what you said so you have a very limited control over the mic.
If u want to do it for cheap get a small 6 channel mixer and mix into your amp's inputs it'll probably be better for you.
A good pa will have a lot more channels, a lot more power for overhead and it should reproduce the sound cleanly.
My favorite way to gig is the have a small or medium sized bass amp miked with an sm57 into a big honking pa with subwoofers, midrange, and tweeters ...
A good pa can handle the bass easily.
a cheap pa is for vocals only.
a good pa handles the whole band. A good pa gives the bass drum a 20hz thud that can be felt. A good pa can clearly reproduce the sound of you licking your lips in front of the mike.
The modern approach is to mike everything into the pa. The old school approach is the pa only does vocals.
I use PA speakers in my bass Rig. I use eminence 10s that are designed for PA useage. They have a wonderful tone that punches through with great mids, and plenty of low end and plenty of high end.
Your are using the term "PA" too widely here
a Good monitor gives a bass drumer the 20hz thud he wants when its driven through an amp that is hooked through a crossover that is into a compressor that is into an eq that goes back to the mixer which has the basss ran into it via a sm57 in front of the full stack on stage.
That being said and back to the OP
an Amp in a bass amp sense is a way to make noise
a PA is more of a complex unity of equipment to make your noises and everyone Else's noise.
For a really killer bass tone through the PA, DI AND mic your bass cab, then blend the two at the board.
Why you can't or shouldn't bother plugging a mic into an instrument amp input (some copied from earlier posts):
1. Mic XLR plug won't fit 1/4" guitar-style jack.
2. Balanced mic line will lost 6dB if you convert it to 1/4" with a simple adapter. If you use a transformer adapter, level is maintained but quality may suffer.
3. Output of a mic is considerably less than an instrument. There may not be sufficient input gain in the instrument amp.
4. An instrument amp's voicing and EQ are designed for the instrument, not for vocals.
5. An instrument speaker cabinet isn't designed to reproduce vocals.
Drums; through the board, inserts out to compression and gate, then back to the board. The monitors (in a typical bar type PA) don't go through the crossover, only the subs and mid highs for FOH, and are usually driven by dedicated power amps (1 channel for vocal mix, 1 channel for the drummers mix) Also, when you say through the EQ you're being a little misleading. The only thing you use the 31 band EQ's for is to isolate the frequencies causing feedback. Everything gets EQ'd at the board.
what everyone else said...
i dont think your mind realizes the ridiculousness your fingers just finished typing.
and how many monitors do you know can deliver 20Hz???
Most bass amps have TS inputs.
this is an intelligent answer...
I was simply stating the obviousness that a PA rig usually contains lot more items to process a signal than a simple instrument into an amp.
and yeah I know usually a monitor mix is pretty dry.
and I do use an EQ on the front of house mix for more than feedback reduction. I have a box that listens to white noise out of my FOH setup and from there I adjust for hot spots in the room to give a more even tone from left to right.
I think we've beaten the thread into the ground though
Got me. The DeltatliteII 2512s are "PA Speakers," but that's what Avatar puts in their SB112 and 212 cabs...
did anyone here notice that the OP is using a MarkBass LMII????
this amp HAS a balanced XLR input that will accept a microphone!