TaylorFade

As I mentioned... I don't use the DD-1... ... but I beat the shit out of my AMM-1!!

I'm not a hater. I appreciate the fact that it brought proper gain setting into the "mainstream" and promotes a better understanding of one's system. I just happen to use a scope. I may not even be using it right. I dunno. I hook it up and see waves and shit. I didn't mean to insinuate that clipped is *always* louder. When I'm doing SPL testing... I don't even use my scope. I just turn it up until I stop gaining. Similar to the way I don't "tune" my SPL boxes. But I'm obviously in the minority there and I don't advocate that practice.

Clipping creates harmonics. Meaning, when a waveform is clipped... other shit gets included along with the fundamental. I'm not intimately familiar with how the DD-1 works, but I assume it "looks" for these harmonics. i.e.- play the 40hz or 1khz tone... if anything other than 40hz or 1lhz is detected... you get a red light. Distortion, clipped or not, has harmonics present in the signal. Ever hear the term "harmonic distortion"? Edit: that wasn't directed at you, Steve.

Clipping. You're overdriving it. Distortion. Distorted waveform. Irrespective of clipping. One sounds like shit. One creates heat and stress... and sounds like shit. Hasn't this all been covered by Tony somewhere?

Come on you know the kind of testing he does, I'm sure he's done it more than once.Edit- Well guess he hasnt. Tested them head to head on the TL... no. But I've had the DD-1 and the scope side by side plenty of times. I can almost guarantee you that the scope is going to be louder though. The DD-1 is on the safe side of things compared to what I would call clean on the scope. Or... clean enough. Lol.

I can definitely do that. In the world of competition, sometimes you have to be dead on balls clean. Other times you need a specific amount of clip. A scope lets you dial in either of those. And more importantly to me... see it under load. Not everyone needs or even wants that kind of accuracy or control though. I've set enough amps with both to know that they're close enough for 99.99999999999% of people on the planet.

I know this is the SMD forum and this won't be a popular opinion, but... A scope is a better tool. And can be had cheaper. BUT... you're paying for the convenience. It's a couple wires and a light (to operate). I personally don't think a scope is any more difficult to use than a DD-1, but I suppose I'm in the minority. You hit the nail on the head though when you said, "It measures distortion... not all distortion is clipping." Think about your own statement for a sec.

Member Since 04 Jun 2012 # 74,020 I actually didn't think I'd been here that long.

Voltage is capped. Sundown Capped Voltage

DD has been doing this for how long? But now it has a Sundown badge and people are losing their minds. Lol. NUTHUGGERS!!!!

I can't speak for Tony, but I assume his distortion detection is probably just looking for harmonics. Brazilians just happen to be "noisy".

D'Amore stuff and Brazilians don't get along. Just set it with the clip light on the case like you would with a DD-1. They're pretty damn accurate.

I clamped my M4a on stock electrical once. That's fun. 3k@9v ,in case anyone is wondering.

Certified=1674 un-certified=1986 Dynamic=2200 Nice! It's not that they're too mainstream- it's because the price tag is. That amp was like $600 new.

Can someone put the results in text format? I can't get to YT from this computer.

That's exactly what I thought...why didn't it go into protect before blowing the outputs? The good thing here is the mfg will take this video and hopefully make the amps better. Here's proof I'm not paid by the mfg's to test amps and hide any bad results. This will be my last "new amp" video for a while. I'm going back to my old school roots, when amps were made here in the US with pride and craftsmanship! Did my phone have shit on the screen or did you blur the logo? Edit: Did you get a dynamic run on it first?

Gimme!!!

I know, I know... this is a "clamp". And an SPL clamp at that, but just so you guys know what it's capable of, I put it head to head with some heavy hitters a while back. All of this was rising to right at 1 ohm. The "13v" testing was on (2) batts. The 15.5v result is on (2) banks of SuperCaps. AQ2200 -13v - 2,538w @ 11.4v -15.5v - 3,365w @ 13v SounDigital 5k I shit you not we saw 8k out of this thing on the first burp. Then I was like, "Oh, it's got a clip light." Lol. We only tested 13v. -7,139w rising to 1.95 & 11.5v clipped. No, I am not kidding. -4,324w rising to 1.95 clean. Zero clip light. DD M3a -13v - 3,657w @ 11.2v -15.5v - 4,088w @ 13v RD D5 -13v - 3,898w @ 11.1v -15.5v - 5,355w @ 13v B2 Audio Zero5 -13v- 4,052 @ 11.3v -15.5v - 5,355w @ 13v

Just throwing this out there... You know the (-) lead goes to ground, yeah?

Bad ass. Get to work

You're not catching the point trying to be made. The results are different because they're different measurements. 600w @ 1% THD and 900w clipped. The clamp is showing the clipped power after the other two stopped their measurements. That's why they're different. Not because of the inherent inaccuracy of clamping on subs. But I will agree that most people just clamp their shit where ever. But in this case, the clamp is entirely accurate.

even if its true.. 3 tools vs 1 tool.. i will take the one tool tan can do it all It can't clamp DC current for efficiency. Just sayin. But yeah... less is more. The concrete is for heat dissipation, I assume. Although, I've never heard of it before. Old coils can be used for resistance. They're fixed if they're not part of a motor. You just need a way to dissipate the heat because trust me, they get hot in a f'n hurry. Distilled water works. Or veggie oil. You can cut holes in the top of a Tupperware, put old coils in those holes, fill the Tupperware with oil or whatever and then put the lid on it where they're submursed in the fluid. You'll have to solder leads onto the coils, but there you have it. A bank of fixed resistance. A messy as shit, low power, pain in the ass bank of fixed resistance.

Ask and ye shall receive. Stole these from Tony on FB. THIS is what I'm talking about. This is a comparision of "traditional" clamping on the left and right and the AMM-1 in the center ON A REACTIVE LOAD (subs). This is 34v and 6.2a. Traditionally we would do the math and come up with 211w rising to 5.5ohms. You can see the AMM-1 will tell you that too (if you want to know). NOW.... here is where the AMM-1 shines. You don't need fixed resistance or a dual input trillion dollar scope. The AMM-1 is calculating it all for you! Bingo. Clamping pwned.

The reason it's misleading is that it's not utilizing the reason clamping is flawed- reactive loads (like subs). Unless you believe that very nice scope-meter is off by almost 20v. You actually don't even *need* the clamp meter in this clamp because it's on fixed resistance. The other thing is that this isn't the best way to show how the AMM-1 is better and easier than traditonal clamping. Take a look at my test rig... That's a lot of f'n shit to watch. The AMM-1 "watches" it all for you and spits out the number you're after with all of that crap. For "clamping" and doing it the most accurate way that you can, the AMM-1 is a no brainer. For hardcore amp testing... it can be done cheaper than the AD-1 with very accurate and consistent results. But that's another thread entirely. My whole point of chiming in on this vid is that the AMM-1 basically sells itself. You don't *need* to have a BS demonstration like this to mislead people. Do the test on subs with clamping vs. the AMM-1. That's the point. It's a great way to show how the AMM-1 is spot on with the AD-1 (awesome), but the clamp portion is flawed and misleading. All I'm suggesting is to redo the video. If you want to discredit clamping, at least do it correctly.

I know this video wasn't made with the intent of purposely inflating the clamp results, but that's exactly what it's doing. It's really not complicated. Everyone on here likes math and science and homework assignments? Ok. We know the power and the resistance for each result. Solve for voltage.