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Author Topic: Powering Subs  (Read 4294 times)

Tony Pubelo

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Powering Subs
« on: June 04, 2014, 08:34:25 AM »

I have (6) EV MTL2B subs. Each cabinet is  loaded with (2) EVX180B drivers, making each cab a 4 ohm load. I am told powering these cabs is 1200 watts.

Looking a for advise on amplifiers to power these subs.

Crest CA18 or Crown MA5000 - I am told these amps will run all day long at 2 ohms which would run (4) cabinets. The MA5000 runs in a mono-parallel mode down to 1 ohm - could I tie all the subs together @ 1.3 ohms and run them too?

I was also looking at the Crown 12000i  I could run 3 subs a side @ 2.7 ohms or bridge the amp and run all 6 subs @ 5.4 ohms.

Or is the best option 3 amps, each amp running stereo @ 4 ohms. If so, what amps do people recommend for any of the applications of running these subs.

There will be times I only run 2 or 4 subs.
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Art Welter

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Re: Powering Subs
« Reply #1 on: June 04, 2014, 08:53:51 PM »

There will be times I only run 2 or 4 subs.

Tony,

No experience with those Crowns, the CA -18 is a brute, but won't do all 6 cabs. My choice for old school power would be three CA-9 rather than putting all your eggs in one old basket.
If you want to save a lot of weight and still hit them hard, three SpeakerPower SP4001 would do well too, and could be mounted in three of the cabinets.

Art
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Richard Turner

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Re: Powering Subs
« Reply #2 on: June 04, 2014, 09:43:10 PM »

also the ca18 really requires a 30 amp outlet to use to its full potential and meet code whrn operating.

Will you always be using in rooms with access to this?
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Looking at retiring. Local PA market has shrank to 2 guys with guitars and bose l1 compacts or expecting full line array and 16 movers on stage for $300... no middle left going back to event DJ stuff, half the work for twice the pay.

Tony Pubelo

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Re: Powering Subs
« Reply #3 on: June 05, 2014, 12:04:20 PM »

No, 30 amp is not at all venues. I was looking at the QSC RMX 5050 & the QSC PDL 4.5 anyone use these for subs.
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Tony Pubelo

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Re: Powering Subs
« Reply #4 on: June 06, 2014, 07:30:52 PM »


I just purchased off eBay (3) EV CP4000 amps. One channel per sub 1800 watts @ 4 ohms. I also purchased online the QSC PDL 4.5 which is a four channel amp. It will put out 1250 watts at 4 ohms per channel. I'll test it out on the subs but I will be using that for my high/mid packs.

I have (6) EV MTL2B subs. Each cabinet is  loaded with (2) EVX180B drivers, making each cab a 4 ohm load. I am told powering these cabs is 1200 watts.

Looking a for advise on amplifiers to power these subs.

Crest CA18 or Crown MA5000 - I am told these amps will run all day long at 2 ohms which would run (4) cabinets. The MA5000 runs in a mono-parallel mode down to 1 ohm - could I tie all the subs together @ 1.3 ohms and run them too?

I was also looking at the Crown 12000i  I could run 3 subs a side @ 2.7 ohms or bridge the amp and run all 6 subs @ 5.4 ohms.

Or is the best option 3 amps, each amp running stereo @ 4 ohms. If so, what amps do people recommend for any of the applications of running these subs.

There will be times I only run 2 or 4 subs.
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ProSoundWeb Community

Re: Powering Subs
« Reply #4 on: June 06, 2014, 07:30:52 PM »


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