PA amp for home use

Rob B · 26th December 2010, 05:38 PM

Hey all, new to the forum. been reading about this stuff allot but im still a noob, i have some basic electrical classes under my belt but I'm pretty oblivious to audio stuff.

anyway, my problem is this, I have a set of cheap fisher 15" cabinet speakers (I know there kind of junky, but for $50...) and a nice vintage pineer sx680 that i realy like as a receiver, but the amp is completely blown on the right bank and it sounds like crap. what im looking to do is get PA amp to run the fishers and use the pioneer as just a head unit for the radio. I'm looking at this peavy mark III mixer/amp Peavey MP 4 Mark III 100H mixer amd and i know it will work but I am just unsure of the sound quality of an amp like this. I'm not looking for super high quality sound, but i don't want it to sound like junk either. would a set up like this get me by for just decent sounding bass and not too much distortion at high volume? I will mainly be using it party s.

on a side note, would i be better off with something like this as far as sound quality PEAVEY MONITOR POWER AMP even though it seems like the wattage is a bit low?

again, I'm not looking for super high quality so take it easy one me, I'm just a college kid trying to get some decent sound in the house for partys!

bob91343 · 26th December 2010, 09:37 PM

Why not repair the Pioneer? It would outperform anything Peavey makes.

VictoriaGuy · 26th December 2010, 10:06 PM

If you are 'using it for parties', make sure you don't buy an amplifier that can blow out your speakers.
You could get the Pioneer repaired or just keep your eyes open for another old SS Receiver on the local used market. (Thrift store?)
A mixer/amp isn't what you want, I think. You are going to use the 'Preamp out' or 'Tape' connection on the Pioneer to feed a power amp?
Using a PA amp: If you could find a Behringer 500 power amp, that would be a good-quality power amp which is adequate for good hifi. Probably too powerful for your use, though.

John

Zero Cool · 26th December 2010, 10:29 PM

spend the money fixing the Pioneer. forget the peavey junk!

Rob B · 27th December 2010, 01:05 AM

i got the peavy for $70 because the shops all want $90 minimum without parts to repair the pioneer. its 50watts per channel which is fine... I am on an extremely tight budget, I have hit about $150 so far and i don't want to go any higher.

anyways, I cant figure out if i have it hooked up wrong or if the amp doesn't work. as soon as i hook the speaker outputs up the thing speakers hum real bad, regardless of how much volume i have on the pioneer or the peavey. the guy i boght it from tells me its probably because i need a shielded wire and not just speaker wire soldered to 1/4" jacks...

any help is appreciated.

Rob B · 27th December 2010, 03:14 AM

I'm reading about 33 Vdc on the outputs... isn't that realy high?

VictoriaGuy · 27th December 2010, 03:29 AM

Quote:

Originally Posted by Rob B

anyways, I cant figure out if i have it hooked up wrong or if the amp doesn't work. as soon as i hook the speaker outputs up the thing speakers hum real bad, regardless of how much volume i have on the pioneer or the peavey. the guy i boght it from tells me its probably because i need a shielded wire and not just speaker wire soldered to 1/4" jacks...

any help is appreciated.

Have you downloaded the manual for the Peavey?

To test the Peavey, get yourself some RCA to 1/4" phone adapters/cables and hook up your CD player/source to one of the mixer inputs.
You DO NOT need shielded speaker cables.
Leave the Pioneer out of your system for now.

John

VictoriaGuy · 27th December 2010, 03:41 AM

I had a quick look for the Peavey..this is a 4 channel MONO powered mixer? (ie up to 4 inputs mixed down to one output)

Please explain how you plan to use this in your stereo setup.
I must be missing something here....

John

Rob B · 27th December 2010, 03:56 AM

I just want the amp to power my two 15" speaker cabinits. it has two 1/4" phone jack outputs on the back. it says 50watts per channel "minimum amplifier load 8 ohm - speaker jacks paralleled"

Peckerwood · 27th December 2010, 04:11 AM

Does that Pioneer model have a pre-amp out on it? Mine does but it is in the other room and I can't remember what the model is right now. If it does it is a lot better pre-amp than that mixer is. Run from the pre-amp out to an amp and then to the speakers.

If it doesn't run from the speaker outputs on the pioneer to the speakers. Either way you will have stereo. Forget about that mixer and mono garbage.

26th December 2010, 05:38 PM	#1
Rob B diyAudio Member Join Date: Dec 2010	PA amp for home use Hey all, new to the forum. been reading about this stuff allot but im still a noob, i have some basic electrical classes under my belt but I'm pretty oblivious to audio stuff. anyway, my problem is this, I have a set of cheap fisher 15" cabinet speakers (I know there kind of junky, but for $50...) and a nice vintage pineer sx680 that i realy like as a receiver, but the amp is completely blown on the right bank and it sounds like crap. what im looking to do is get PA amp to run the fishers and use the pioneer as just a head unit for the radio. I'm looking at this peavy mark III mixer/amp Peavey MP 4 Mark III 100H mixer amd and i know it will work but I am just unsure of the sound quality of an amp like this. I'm not looking for super high quality sound, but i don't want it to sound like junk either. would a set up like this get me by for just decent sounding bass and not too much distortion at high volume? I will mainly be using it party s. on a side note, would i be better off with something like this as far as sound quality PEAVEY MONITOR POWER AMP even though it seems like the wattage is a bit low? again, I'm not looking for super high quality so take it easy one me, I'm just a college kid trying to get some decent sound in the house for partys!

26th December 2010, 10:29 PM	#4
Zero Cool Audio Junkie diyAudio Member Join Date: Sep 2004 Location: MN	spend the money fixing the Pioneer. forget the peavey junk! __________________ It's not about what you can BUY...It's about what you can BUILD!

27th December 2010, 04:11 AM	#10
Peckerwood diyAudio Member Join Date: Oct 2010 Location: Texas	Does that Pioneer model have a pre-amp out on it? Mine does but it is in the other room and I can't remember what the model is right now. If it does it is a lot better pre-amp than that mixer is. Run from the pre-amp out to an amp and then to the speakers. If it doesn't run from the speaker outputs on the pioneer to the speakers. Either way you will have stereo. Forget about that mixer and mono garbage. __________________ I'm trying to think but nothing happens.

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26th December 2010, 09:37 PM	#2
bob91343 diyAudio Member Join Date: Mar 2010	Why not repair the Pioneer? It would outperform anything Peavey makes.

26th December 2010, 10:06 PM	#3
VictoriaGuy diyAudio Member Join Date: Dec 2008 Location: Victoria, BC	If you are 'using it for parties', make sure you don't buy an amplifier that can blow out your speakers. You could get the Pioneer repaired or just keep your eyes open for another old SS Receiver on the local used market. (Thrift store?) A mixer/amp isn't what you want, I think. You are going to use the 'Preamp out' or 'Tape' connection on the Pioneer to feed a power amp? Using a PA amp: If you could find a Behringer 500 power amp, that would be a good-quality power amp which is adequate for good hifi. Probably too powerful for your use, though. John

27th December 2010, 01:05 AM	#5
Rob B diyAudio Member Join Date: Dec 2010	i got the peavy for $70 because the shops all want $90 minimum without parts to repair the pioneer. its 50watts per channel which is fine... I am on an extremely tight budget, I have hit about $150 so far and i don't want to go any higher. anyways, I cant figure out if i have it hooked up wrong or if the amp doesn't work. as soon as i hook the speaker outputs up the thing speakers hum real bad, regardless of how much volume i have on the pioneer or the peavey. the guy i boght it from tells me its probably because i need a shielded wire and not just speaker wire soldered to 1/4" jacks... any help is appreciated.

27th December 2010, 03:14 AM	#6
Rob B diyAudio Member Join Date: Dec 2010	I'm reading about 33 Vdc on the outputs... isn't that realy high?

27th December 2010, 03:41 AM	#8
VictoriaGuy diyAudio Member Join Date: Dec 2008 Location: Victoria, BC	I had a quick look for the Peavey..this is a 4 channel MONO powered mixer? (ie up to 4 inputs mixed down to one output) Please explain how you plan to use this in your stereo setup. I must be missing something here.... John

27th December 2010, 03:56 AM	#9
Rob B diyAudio Member Join Date: Dec 2010	I just want the amp to power my two 15" speaker cabinits. it has two 1/4" phone jack outputs on the back. it says 50watts per channel "minimum amplifier load 8 ohm - speaker jacks paralleled"

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