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  #1  
Old 10-30-2012, 06:52 AM
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Default Legit bench test of the AudioPipe apsm-1500

I don't know if you guys caught "bigDwiz" testing the AudioPipe ap1500d, but everyone was crying that the apsm mini's were the bees knees and he should have tested the mini instead and they do rated, blah, blah, blah.

This guy is legit. He uses fixed resistance, constant power supply and very reliable meters.

Well... here you go.

Quote:
Here are the results for the APSM1500....(this may hurt)




All at 14v, verified resistive loads @40Hz, 1% THD:

2 ohms = 41V RMS, 75A current = 840.5W @ 80% efficiency
1.1 ohm = 32.5V RMS, 121A current = 960.2W @ 57% efficiency

(the current numbers above were taken from the power wire going into the amp, not at the speaker terminals. I was testing current draw of the amp, the DD-1 and Fluke 85III True RMS meter handled the V RMS and 1% THD duties)

Based on the 1.1 ohm results (and the dramatically decreased efficiency), I didn't test the amp at 0.5 ohms. Not to mention it was a loaner and I didn't want it to go up in smoke...


These results prove Audiopipe's literature is correct when they say the AP-15001D is the "premium" model
For those who havent' seen it, here's the results from the AP series...

Quote:
4 ohms = 504w
2 ohms = 844w
1 ohm = 1115w

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Old 10-30-2012, 06:56 AM
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You really this hell bent? I mean, come on, be bigger than them. You know what's up, so leave it that way lol.

No matter how you put it, there will be someone with their own justifiable reason why it is good.
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Old 10-30-2012, 07:08 AM
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Originally Posted by its_ray_ray View Post
You really this hell bent? I mean, come on, be bigger than them. You know what's up, so leave it that way lol.

No matter how you put it, there will be someone with their own justifiable reason why it is good.
Hell bent? Be bigger than whom?

I'm just sharing legitimate bench testing of an amp; including eficiency (that people were asking for) and distortion. If he'd tested another amp that we use, I would have shared it too, but he usually only tests old school stuff.
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Last edited by TaylorFade; 10-30-2012 at 07:10 AM.
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Old 10-30-2012, 07:17 AM
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Good stuff here.

Taylor do you use fixed resistance when you test? I have 3 (3ohm) 200 watt wirewound ceramics that I use, been thinking of placing them in mineral oil as a sink for larger tests.
My down fall is my supply, two batts and a 80amp charger doesn't supply enough power keep the input from sagging.

Maybe this should go in your thread.
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Old 10-30-2012, 07:25 AM
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Originally Posted by brandes.cm View Post
Good stuff here.

Taylor do you use fixed resistance when you test? I have 3 (3ohm) 200 watt wirewound ceramics that I use, been thinking of placing them in mineral oil as a sink for larger tests.
My down fall is my supply, two batts and a 80amp charger doesn't supply enough power keep the input from sagging.

Maybe this should go in your thread.
I've been shopping around, but no... As of now, I just throw them in my car to test. I plan to get some big ol' wirewound beasts. I actually have a blown amp that I was going to use for the heatsink and wiring it up.

I'll end up using batts/caps too. Power supplies are high as giraffe ass.
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Old 10-30-2012, 07:35 AM
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sounds like a good deal for 100$....shit i got mine for 75$ shipped....AWESOME DEAL! imma get another one now and strap em up.....THANKS T FADE!
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Old 10-30-2012, 08:44 AM
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I have been subscribed to his channel for a while now. Still waiting to see the winner of his old school cheater amps showdown. He does a great job of showing all the info when doing his tests. One of the best bench test setups I have seen used on amp tests on youtube. Keep it up bigdwiz. Oh yeah test them Cheaters!!
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Old 10-30-2012, 08:51 AM
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I believe the APK line is their premium line now. Which from close inspection are identical to most of the other korean based amps.

BC2k
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Old 10-30-2012, 08:53 AM
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Quote:
Originally Posted by audioarsonal View Post
I believe the APK line is their premium line now. Which from close inspection are identical to most of the other korean based amps.

BC2k
Same pcb # smb-133-02

Sent from my DROID BIONIC
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Old 10-30-2012, 08:55 AM
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Quote:
Originally Posted by brandes.cm View Post
Same pcb # smb-133-02

Sent from my DROID BIONIC
I was going to point that out
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