What Class D amps will drive a 2 ohm load

As I said before a $100 30w 1980's Nad 3020 integrated is also "2ohm stable" but sound like s**t into a 2ohm load, but hey! "it's 2ohm stable!!!"

Cheers George

MC275 is a valve amp, no doubling..., most valve amps don't double, why? VTL, Mac, Cary Audio, Carver? why? I don't know why.     

The wattage is the same at 8,4,2 ser or par. It didn't sound like like shi?
same non ser or par. 16,8,4 either 75 wpc or 150 (186 act)  ser or par. There is no doubling. It sounds good at 2 4 6 8 10 12 16, NO DOUBLING..Run warmer, yes, run hot yes, sound bad NO...Same with the class D, they may not double at 2 ohms but they sound, SOUND better than anything close in price. It was mentioned the THD was and is higher the tougher the load, BASS is not a problem. At 20% THD in the bass most people can't tell the difference..Even good ears, 3 out of a 100, might be able to hear 20 plus %. maybe..I'm at less than 5% using phase plugs, and basket termination. and class Ds.

I use to swear I'd never use a class D. Then I listened, with my ears, not my mouth, it's stereo then, not mono. I just shut up and learned, like a good mechanic, I learned.. Their, quieter, less expensive, 15 watt idle, lighter, cooler, VERY easy to work on, opAmp swaps a breeze, black background, ZERO floor noise. 1 ohm able 2 ohm stable, and no HYPER bright, blistering sonics like some amps. 
I don't care what's being used for speakers, if a class d Nord One up can't make it sound GREAT, move on. I bought Wyred 4 Sound and Nord, ICE, and Hypex.. Both have some neat features..Expansion wise

Mac says 2 ohm stable, it means STABLE, nothing more nothing less. It works there, not badly, not anything, but stable.. Nad is not 2 ohm stable it is 2 ohm ABLE, can hit a 2 ohm load, not trip a breaker, not sustained, just able to hit 2 and not blow up, blow fuses, the normal stuff from tough loads. Car audio .5 ohm stable loads. The size of the supply conductor, as I stated before, the key to low ohm loads. TIGHT connection, Very tight, required, not hand tight, wrench tight..  Increase the ability to deliver the AMPS, to the AMPS. Stable AC supply = stable amp...

Respectfully and with regard

One other thing, even VTLs that were sent back to the factory for the drop from 5.2 to 3.6 ohm, still didn't run the strathearns right. No valve amp at the time except Mcintosh MC275s in par or ser mode were 2 ohm stable, Mcintosh was!  Crazy ay, old Mac, 2 ohm stable..I think even GG were too.

Regards, yup yup old macs..

I've owned Kappa 9. X before and after mods to the XO. 10 plus years ago. I sold those speakers and the guy LOVES them. I did too, to tell the truth.

Ampzilla 2000 were the only amp that I owned at the time that would drive ANYTHING, including those.

They were touched by Mr B himself. I got them to actually drive .5-2.0 ohm strathearns ribbons. True amp killers at the time worse than
Kappa 9.  They were flawless, got hot but NEVER shut down. THE KEY was supply voltage for me. 20 amp circuit per amp.

The same when I sold them and went to class Ds.  It was a supply and demand issue for me.

A single 15 or 20 for two monoblocks just couldn't provide the UMPH!! (mechanics term) without loosing the dynamics that Strathearns can provide.  It took two dedicated circuits and voltage maint. of 120. The class Ds sounded stunning, even more so after a break in.
How did I find out? The guy that bought the Kappa 9 went to class Ds at least a year before me. He almost got rid of them and he installed 2 dedicated 15 amp circuits from a single 15. He was amazed the difference in BASS response. From Krells to class D and once the electrical issue was ironed out, it sounded better than the Krells. ZERO floor noise, zip, nada, nothing... Goes to show that the amps PS is a big factor in how it performs. Krells, Big Macs, Pass, serious power supplies.

The class D sounded BETTER, than ANY amp I've used to drive True ribbons, or planars.  As a matter of fact, the only place I run a different typology is in the mids and highs, that only with a GREAT valve amp (over 22K spec), and normally in the winter..700hz down nothing but class D. Just the best.. I use Nords One Up rev B,C,D NC500s x 7 and never a problem. Sparko and SI OpAmps.

I still have a shop full of great amps, and use them, sound great, but these class Ds are SO COOL....

Regards.

Tell you what, you suggest an amp at 1000.00 USD New.  It has to have just half the specs of the hypex or ice modules. 1000.00 USD New?
Class A, AB, anything that sound as good, stays cool, low cost  to run, quiet, and 1/2 the wpc, heck a 1/3, a 1/4.  Now let's add, able to change the sonic signature, in 15 min, all over the map.. Now lets add can carry 2000 watts under each arm..

Everything I read, where you point to someone's quote, the article are single quotes, from a single source, and a single opinion,  or 1989 speaker adds about how they still make it.. SO!!!

So they still make a poorly designed XO, heck I can do that.. Really I can screw up, make a mess, and say it's still a great product. Even if it's NOT...

Is there a reason?  I think you got a house FULL of class Ds, are you a class D junkie on the down low.. Joined the A/AB club and it's blood in and blood out? 1% amp gang or something..


Class A-Z amps are the bomb
What happened to Ds I like double Ds, a pair.
WHY AREN'T Class D amps the bomb?


Well they are, so there...

Regards

Like I said so many times now, a "stable" amp into 2ohm load means it won’t oscillate blow up and take out speaker drivers, but it does not mean it can drive the loads we are talking about here.

Ok 550 watts not oscillating, won't drive a speaker correctly? Wow, never heard of such a thing. 550 watts at 2 ohms is 550 watts at 2 ohms. It gives a time it will hold that 550 watts too. Mac says STABLE, it mean stable and ABLE.. Not just able for a second or two. You keep saying what you mean, NOT what the manufacture mean. Stable is stable..
I'm sure some of the claims of amp manufactures is bogus, but the class D Hypex and ICE amp specs have withstood the test of time for many many years now. not a lot of problems.

Thiel

dontnwaste time w D

get class A/AB for best sound

w D 40?

I can figure it out, proof your stuff mate.

Thiel is not a problem, they will sound wonderful, NC400, 500, or 1200
all will drive them..The two latter have buffer board options..

Class Ds with Sparkos or SI are class a opamps, LEARN, before you speak..That type of stuff just isn't talked about. CLASS A. That is the reason the upgraded buffer boards make such a difference in Class Ds, Upgraded voltage regulators and class a opamps, night and day.

All the class Ds I use will drive the loads correctly..Simple. They all require GREAT VAC to get there. Hypex an ICE both require a good source of VAC, via the spec sheet. They both give specs at 100, 110 120 volt. As I said. The supply is the key to any heavy load. VERY tight connection and 120 VDC, class Ds will hold their own with any of the big names, at many times the cost. I own Pass, ML, and Krell currently. For SS I'll take the Nords, Pass is as good if not better, but they cost.... 3 times and will never run as COOL...Sure like the sound, though, in the winter, krells will heat the whole house, and  very expensive to work on.



Regards 

 

Whatever, you stick with this  https://www.ebay.com/itm/Behringer-NX3000-3000-Watt-Class-D-Power-Amplifier-AUTHORIZED-DEALER-NX-3000/283772476295?epid=9018533458&hash=item4212285b87:g:j4sAAOSwEVlb7xpS

What's wrong with Behringer? I use a pair of their 12Ks and a pair of 2496 active XOs and they WILL drive ANY load. I use them for 
40-400hz . I've never listen to them other than bass duty.. Flawless.. I've used them for sub duty also 40-60 or less.. They can move a lot of air... a whole lot...Very Very low distortion....
No noise, I love um.. Their not a Nord, but sure work...
I'm gonna add a fan switch, off /  on for low low listening, other than fan noise...The 12ks are great..27 lbs...


Regards