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Digital Designs M4 Power rating


aculous

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Posted

alright so I was looking at the DD M4 and its rated at 3200W @ 1ohm. I want to run it a lot higher, say 4ohms does anyone know if they're rated for higher ohm loads?

Feel like this may be a stupid question, I am guessing it can run a higher resistance just half the power level, so 1600w @ 2ohm and 800 watts @ 4 ohms.

thoughts?

Posted

Eeeehhhh, yeah that sounds right hypothetically, but I admit I am not at all familiar with the amps other than reading about em online so hell I could be 100% wrong too

Posted

Sure, you can run at 4 ohms, and that's probably right for the wattage. Mono amps are optimized for 1 ohm though. Why not bridge a 2 channel amp so you're getting the most performance out of your amp at your desired ohm load?

Having headroom is a good thing, but what you're suggesting would be a ridiculous waste of power.

Posted

Sure, you can run at 4 ohms, and that's probably right for the wattage. Mono amps are optimized for 1 ohm though. Why not bridge a 2 channel amp so you're getting the most performance out of your amp at your desired ohm load?

Having headroom is a good thing, but what you're suggesting would be a ridiculous waste of power.

I was looking at one that someone is trying to sell for a decent price in the classifieds. Originally I was looking at the soundqubed Q1-1200D which puts out 870x1 @ 2ohm but I was already getting sucked into thinking about something bigger so my thought was that the M4 would give me a ton of room to grow. ( I have been looking at way too many wall builds...my mind goes to sound quality first but I like loud and low too...its a hard compromise. I was already looking at different setups because I have a 15" Stereo Integrity sub but I haven't finished the design of the box. I like the Fi and DC subs though for durability. I also saw Stereo Integrity has 18s for a decent price and they're efficient and have a low fs....the demons are trying to get me to go bigger before I have even started really)

Not sure I can justify a $400 price different though. Also I have a higher output alternator but I am guessing for 3k on tap I would have to go over the 180amp alt I have and step up the battery bank too which would REALLY negate me being able to afford the M4.

I really like the DD amps though...but for the price...I mean I could probably get decent output from a DC Audio or Sundown amp.

Posted

What are you going to be running on this amp?

Posted

What are you going to be running on this amp?

Well I was going to run (2) Stereo Integrity 15"s that are 600w RMS first...but I looked at running (2) 18"s but I don't think I will get as accurate tight bass from them.

But now I am looking at Fi/DC/Sundown et al.

Also I really like the XBLv2 motors from Creative Sound Solutions.

Posted

What are you going to be running on this amp?

Well I was going to run (2) Stereo Integrity 15"s that are 600w RMS first...but I looked at running (2) 18"s but I don't think I will get as accurate tight bass from them.

But now I am looking at Fi/DC/Sundown et al.

Also I really like the XBLv2 motors from Creative Sound Solutions.

Ok for subs, but why do you want to run 15s or 18s up at 4ohms? If you want tighter bass why not run 12s or 10s? Im not hatin im just curious

Posted
Ok for subs, but why do you want to run 15s or 18s up at 4ohms? If you want tighter bass why not run 12s or 10s? Im not hatin im just curious

no feelings hurt here appreciate the questions about the thought process.

Well thinking about running a SQ setup and trying that out and then trying out a SQL or more SPL based substage. As in running (2) 12"s that are more SQ oriented and then running a Fi/DC/Sundown type sub thats more SPL geared.

I am also looking at the Fi SQ subs that are infinite baffle. Still looking up "infinite baffle" in a car....that doesn't really make sense to me, its still a sealed space no matter what you do, I am guessing its more a "finite amount of air space opposed to more then what the sub needs" type of thing.

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