why 4
500 Watt CAFz'r
Joined: Jan 2004
Posts: 609
There isn't a whole lot of weight involved.. we use 1u and 2u Peavey Digital amps, they are light and pack over 1000w of power..
Main reason for 16ohm is to daisy chain them to give a nice 4ohm load at the amp with 8 speakers hooked up.
If i were to drag out the CrestAudio rack mount which is a 4U and weights up near 200lbs and powers 4 Vega bins i could see why you wouldn't / and im not lugging it around.
Main reason for 16ohm is to daisy chain them to give a nice 4ohm load at the amp with 8 speakers hooked up.
If i were to drag out the CrestAudio rack mount which is a 4U and weights up near 200lbs and powers 4 Vega bins i could see why you wouldn't / and im not lugging it around.
500 Watt CAFz'r
Joined: Jan 2004
Posts: 609
QSC makes nice amps, alot of clubs have them as there primary amps.
Crest Audio is what one of the loudest clubs was using at the time (7 Years ago) for there Quad Bass Bins, I have never used the crest audio for anything but a Bass bin, The Peavey's run nice and cool and we never demand more then half of what they are capable of as we run multiple speakers (4-8) which allows less audible volume per speaker.
Crest Audio is what one of the loudest clubs was using at the time (7 Years ago) for there Quad Bass Bins, I have never used the crest audio for anything but a Bass bin, The Peavey's run nice and cool and we never demand more then half of what they are capable of as we run multiple speakers (4-8) which allows less audible volume per speaker.
Guest
Posts: n/a
Jmac showed the math and Jypy pretty much explained it - in a house you have 110v @ 15amps for most outlets. In a car you have 12v but say 80-100 amps to play with.
So for your same 100 watts it is easier in the home to have higher voltage and less current and in a car, the opposite.
At least this is the rationale I have used whenever it comes up [img]graemlins/dunno.gif[/img]
So for your same 100 watts it is easier in the home to have higher voltage and less current and in a car, the opposite.
At least this is the rationale I have used whenever it comes up [img]graemlins/dunno.gif[/img]
1000 Watt CAFz'r
Joined: Oct 2003
Posts: 1,649
I run crest and QSC. Definately well built amps. I also have a peavey (Cs-1000x) and the fan gets quite noisy between songs [img]smile.gif[/img]
I see why the 16 ohm speakers now, the thought never even crossed my mind [img]smile.gif[/img] I just assumed after reading your first post [img]smile.gif[/img]
I see why the 16 ohm speakers now, the thought never even crossed my mind [img]smile.gif[/img] I just assumed after reading your first post [img]smile.gif[/img]
Thanks to transformers... getting 100v from 12 isn't a big deal..... is it ?
I thought I made a post earlier on this... ??? Must not have gone up ???
Anyway, higher impedance means fewer IR losses and less power compression, and that means more headroom from your amp... But typically, this won't be audible... even between a 2 and 16 ohm speaker....
BTW.. an identicle 2 and 16 ohm speaker will still have a very similar sized coil (mass wise)...
Should also mention that I play with two peavy 1.3K's all the time that are 2ohm stereo stable...
I've also come across quite a few home audio amps that are at least 3ohm stable....
I thought I made a post earlier on this... ??? Must not have gone up ???
Anyway, higher impedance means fewer IR losses and less power compression, and that means more headroom from your amp... But typically, this won't be audible... even between a 2 and 16 ohm speaker....
BTW.. an identicle 2 and 16 ohm speaker will still have a very similar sized coil (mass wise)...
Should also mention that I play with two peavy 1.3K's all the time that are 2ohm stereo stable...
I've also come across quite a few home audio amps that are at least 3ohm stable....
