Some advice please

[amplified]

hi, i was wondering if some of you can give me some advice on choosing an amplifer. the reason i am asking is that i havnt a clue about amplifiers and which ones are good quality ones etc. i am looking for one to power 2 pairs of speakers one pair 300w rms and the other 100w rms. I have norrowed down some choices which are below.

numark dimension 4: http://www.djstore.com/item/amplifiers/numdim4.htm

or

Behringer EP2500: http://www.djstore.com/item/amplifiers/behep2500.htm

also if anyone has any other suggestions or the amps im considering arnt a good match for my speakers then please feel free to point me in the right direction.

[Excalibur]

hi, i was wondering if some of you can give me some advice on choosing an amplifer. the reason i am asking is that i havnt a clue about amplifiers and which ones are good quality ones etc. i am looking for one to power 2 pairs of speakers one pair 300w rms and the other 100w rms. I have norrowed down some choices which are below.

numark dimension 4: http://www.djstore.com/item/amplifiers/numdim4.htm

or

Behringer EP2500: http://www.djstore.com/item/amplifiers/behep2500.htm

also if anyone has any other suggestions or the amps im considering arnt a good match for my speakers then please feel free to point me in the right direction.

Three things.
1)Amps are fine. Others are available.
However
2) Running speakers of such different capacities is not good practice, as both cabs will ( if impedance is same in each ) get same power, thus possibly damaging the smaller ones. Other problems as well, but more later.
3) Tell us what you have, and we can give better answers.

As it stands, I'd say you'd be better with one amp per pair of cabs.
Ask away mate, advice will appear. Conflicting possibly, but advice nevertheless. :D

[Tony Scott]

2) Running speakers of such different capacities is not good practice, as both cabs will ( if impedance is same in each ) get same power, thus possibly damaging the smaller ones. Other problems as well, but more later.


Agreed!

I would also suggest running 2 amps, the Dimesntion4 is over priced IMO.

(£360) You could go for these:
http://www.thomann.de/gb/the_tamp_ta450_endstufe.htm + http://www.thomann.de/gb/tamp_ta1400_amplifier.htm

(£470) Another option would be 2x EP1500's, great amps:
http://www.thomann.de/gb/behringer_ep1500_europower_endstufe.htm

:)

[Excalibur]

Or if you like C-Mark ( as I do )

http://cgi.ebay.co.uk/C-Mark-MR2350-Power-Amplifer-For-DJ-Discos-Clubs_W0QQitemZ330312621231QQcmdZViewItemQQptZUK_A udioTVElectronics_HomeAudioHiFi_Amplifiers?hash=it em330312621231&_trksid=p4634.c0.m14

http://cgi.ebay.co.uk/C-Mark-MR2450-Power-Amplifer-For-DJ-Discos-Clubs_W0QQitemZ230329565486QQcmdZViewItemQQptZUK_A udioTVElectronics_HomeAudioHiFi_Amplifiers?hash=it em230329565486&_trksid=p4634.c0.m14

[amplified]

right so let me get this right. so if i run my pair of 300w speakers of a 400w per channel amp and then connect my 100w speakers to my 300w speakers they will be both getting 200w each? ( both pairs are 8ohm)
apoligies if anyone thinks i'm being nieve or just stupid but i really dont have a clue and i dont want to wait to my speakers blow to find out if what im doing is wrong

[DeckstarDeluxe]

Why do you use 100watt speakers may i ask? Id of thought you would be better ditching this and just buying one amp thus saving you money

[nigelwright7557]

Sell your 100W speakers and buy some more 300W speakers.

[Excalibur]

right so let me get this right. so if i run my pair of 300w speakers of a 400w per channel amp and then connect my 100w speakers to my 300w speakers they will be both getting 200w each? ( both pairs are 8ohm)apoligies if anyone thinks i'm being nieve or just stupid but i really dont have a clue and i dont want to wait to my speakers blow to find out if what im doing is wrong
Yes.



Or quite probably, no! :eek: :eek: If your amp is 400w at 4ohms, then that is 200w each. However, if your amp is 400w at 8ohms, then it will probably be giving aroung 600w per channel, so 300w each.


Sell your 100W speakers and buy some more 300W speakers.
One of many possible helpful suggestions.

[amplified]

Right so just to let you know i have gone ahead and purchased the BEHRINGER EP2500 and i also got a BEHRINGER FBQ3102 GRAPHIC EQ all for £250 which i thought was a bargin i couldnt pass up. why on the subject could some please tell me what a 3 way actice crossover is and what it is used for i cant get around all the specs to actually find what its purpose is. thanks

[ultrasound disco]

Behringer EP2500: http://www.djstore.com/item/amplifiers/behep2500.htm
.
WAY too much amp for those speakers.!:eek::eek:

[Excalibur]

Right so just to let you know i have gone ahead and purchased the BEHRINGER EP2500 and i also got a BEHRINGER FBQ3102 GRAPHIC EQ all for £250 which i thought was a bargin i couldnt pass up. why on the subject could some please tell me what a 3 way actice crossover is and what it is used for i cant get around all the specs to actually find what its purpose is. thanks

Excellent price. :D Seriously, I'd sell both pairs of cabs, and buy something better to go with it.

The active crossover is an excellent piece of kit, and it splits the frequencies from the mixer BEFORE they get to the amp, thus allowing you to send only low frequencies to the subs, high to the tops, and if you're running in true three way middle to whatever is in the middle. That's a simplification, but basically accurate.

[amplified]

Thanks for the advise. my equilizer has a seperate sub output anyway and im not running a 3 way system so an 3 way cross over sounds a bit pointless to me.


Excellent price. :D Seriously, I'd sell both pairs of cabs, and buy something better to go with it.

why do you advise sell both pairs of cabs i could agree with you on the 100w rms pair i have but although the QLX arnt a top make they do pack a punch and are very good at transporting i would recommend them.