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  #1  
Old 08-12-2013, 07:29 AM
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Default My test: Pure Audio PA-3000.1D (quick and dirty)

I didn't know this, but apparently a local shop is bringing in all these "Pure Audio" amps. Well... local as in New Orleans. And that's what they told me anyway. I just thought it was a budget line that they got ahold of and decided to carry.

Since they're local, a local guy is running a pair. He asked me to clamp them to see what they're actually doing. I had done a real quick test of one at Scrapin' the Coast so I had an idea, but I have pics and shit this time.

He's running (2) of them, but we just tested a single. Yes, they're mounted to the box. This is a temporary placement. I can assure this guy knows what he's doing.

I'm neither here nor there about the looks. They're clean, I guess. They're long and skinny which might get them into spots that other amps might not go. That's a plus.



Not strappable. Boo! You'll see why in a sec. Adjustable bass boost which is a nice feature if you can use it correctly and responsibly (he's not using it). Looks like the bass remote is proprietary since it's not a phone cord one.



Single 1/0 power and ground. And a single set of speaker terminals. I don't care for that, but it's not the first time I've seen it.



The amps were already set (not by me) and scoping them, they were set for a soft clip. That's fine since we dont' ride around listening to 0db tones all the time. They stayed at the soft clip under load. Didn't get better- didn't get worse.

He was already wired to 1 ohm nominal and I couldn't talk him into wiring one amp to .5 just to see. He also has a fancy schmancy carputer that he can like, talk to and shit so we could only play a 50hz tone (since he didn't have a damn CD player) to try to get different rises. So that's the quick and dirty part. We did several burps until I was satisfied with the numbers being consistant and relatively clean.

Results...



70 acv & 22 aca for...

1,540w clippy rising to 3.2ohms. Keep in mind that this was a "clamp". Judging from what I've seen of these amps since this test... that number is highly inflated. I should also note that I tested another one and it would not make clean power no matter what I tried.

You'll notice I don't have voltage drop listed. Well, I couldn't find my other meter to measure them all at the same time so I decided I'd rather clamp amperage draw for efficiency and just assume the drop is near 12-13v. Pretty standard.

That's also where you run into the "you get what you pay for" part. Measured efficiency at 1 ohm nominal rising to 3.2 ohms was a not so great 64%. And this 64% is on a "clamp" I shudder to think what it would be measured properly. I reckon it would be in the 50% range. Gross. So, it's making power. But it isn't exactly the most efficient or cleanest amp I've tested.

Also... for those of you thinking that's it's just another rebadged AudioPipe (like I did), here's a side by side gut pic. It's pretty obvious why these aren't strappable. I'll let you guys make your own judgements of the boards.




Since the proof is in the TermLab pudding, we metered it too. He has a pair of TC9 based 12's in a subs and slot port back box tuned to 28hz in a Saturn Redline trunk car. Like I said... we only had 50hz. 146.6 @ 50hz. not too damn bad for a note that's probably pretty far off of his peak. And a daily.


*Anecdote warning...

This guy that runs these is basically deaf. Well... I don't know how bad his hearing is, but it's bad enough that he has hearing aides that clip onto titanium screws that are screwed into his skull. They look like little BT earpieces. He says that with his hearing aides on that bass sounds like it does in a video.

Anwyay... when he was a kid, he had a lot of ear infections. They didn't have the tubes they have now so they just poked holes in his ear drums to relieve the pressure and drain the fluid. WTF? After many, many times of having this done, he developed a lot of scar tissue. I think that's why his hearing is so bad.

As with any scar tissue, it's very tough. Most times, scar tissue gets massaged in physical therapy so this doesn't happen. Well... how the crap are you going to massage scar tissue on eardrums?

That's right... BASS!!! After he got into (or back into) car audio, the bass massaged the scar tissue on his eardrums and he picked up +10db hearing! How awesome is that!? He said his doctor didn't even believe him.

So, tl;dr. Bass is good for your hearing. Lol.
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Last edited by TaylorFade; 05-28-2015 at 06:44 AM.
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  #2  
Old 08-12-2013, 07:58 AM
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Nice write up like usual. U think its better than the ap3k on output and build. And glad to hear that about ur friend. Maybe louder is better in his case. Hope it keeps helping and gain most of his hearing back
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Old 08-12-2013, 09:28 AM
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For the price I'm very happy with these amps.
My hearing is pretty bad or I wouldn't have let them drill bolts into my head for the BAHAs. lol
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Old 08-12-2013, 10:08 AM
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i thnk id buy one... i wonder why they have the dual speaker hookups in the 1500s but only single on the 3k
the guts on the 1500 looks pretty beefy too (for 150dollar amp)
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Old 08-12-2013, 10:19 AM
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Purecaraudio.net
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Old 08-12-2013, 10:20 AM
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or xplicitaudio.com too
free shipping
150for the 1500 and 300 for the 3k
edit and 150 for thoer 1200.4 4 channel
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Old 08-12-2013, 11:05 AM
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No score from both amps?
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Old 08-12-2013, 11:13 AM
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We just tested one. The other should be the same. Both hooked to the same load and in the same car so I don't see where there could be a huge difference. I really should have let him hook it up at .5 It would have risen enough to keep it safe. I've just had a string of bad luck lately and didn't want to chance it.
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Old 08-12-2013, 11:21 AM
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You did a 146.6 on one amp. What score on 2 amps
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Old 08-12-2013, 11:24 AM
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That story is fing amazing did no one read it?
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