Amplifier Ratings (Measured some amps laying around) - Car Audio | DiyMobileAudio.com | Car Stereo Forum

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Old 10-06-2018   #1
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Default Amplifier Ratings (Measured some amps laying around)

Hey everyone,

I finally got a new oscilloscope and had some dummy resistors laying around and figured the best way to break the scope in was by making some amp wattage measurements. Random information, might be useful to someone.

These rating are right before clipping, 1khz sine wave

DLS P40
60 x 4 @ 4 ohms
165 x 2 bridged @ 4 ohms

Powerbass ASA3 400.2
70 x 2 @ 4 ohms

Powerbass ACS-4090
45 x 4 @ 4 ohms
130 x 2 @ 4 ohms

Ground Zero GZRA 4230X
110 x 4 @ 4 ohms

Ampere Audio AA-75.4
72 x 4 @ 4 ohms
118 x 4 @ 2 ohms
256 x 2 @ 4 bridged

Ampere Audio AA-150.4
94 x 4 @ 4 ohms "Clean"
110 x 4 @ 4 ohms "dirty looking sine wave before clipping"

Really impressed with the ampere audio 75.4, only amp that actually did its rated power. Probably going to run it in my car, my friend traded it to me a while back for a subwoofer I didnt need. Think I came out on top with that trade. I have some more amplifiers I plan on gathering more information on. Don't take these numbers to the bank, your results may differ depending on how you measure an amplifier, just did this for amusement. BTW VELLEMAN HPS50 is a great handheld scope if anyone is looking for one.

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Last edited by ANS; 10-06-2018 at 11:29 PM..
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Old 10-06-2018   #2
 
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Default Re: Amplifier Ratings (Measured some amps laying around)

Thanks for sharing.

BTW, just a heads up: The ohms (presumably 4 ohms) are missing for the Ampere Audio bridged.
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Old 10-06-2018   #3
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Default Re: Amplifier Ratings (Measured some amps laying around)

Quote:
Originally Posted by Grinder View Post
Thanks for sharing.

BTW, just a heads up: The ohms (presumably 4 ohms) are missing for the Ampere Audio bridged.
Thank you, edited

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Old 10-07-2018   #4
 
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Default Re: Amplifier Ratings (Measured some amps laying around)

What did you get for an oscilloscope?

Sienna SB29 Focal PS165V Alpine SWS10 Mazda CX5 AF GB15 AF GB60 AF GB12 Ford F150 AF GB10 JLC5 Sundown SD310.
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Old 10-07-2018   #5
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Default Re: Amplifier Ratings (Measured some amps laying around)

Quote:
Originally Posted by V8toilet View Post
What did you get for an oscilloscope?
Velleman HPS50

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Old 10-15-2018   #6
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Default Re: Amplifier Ratings (Measured some amps laying around)

More Amps Tested

dls cci44

80 x 4 4 ohm
164 x 4 2 ohm
250 x 2 4 ohm bridged

dls p44

93 x 4 4 ohm
190 x 4 2 ohm

Went to test the DLS p44 bridged and my power supply went out Now in process of buying new one

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Old 12-01-2018   #7
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Default Re: Amplifier Ratings (Measured some amps laying around)

I have my power supply up and running again, tested the following:

CDT Audio ACD-4090

88 watts x 4 ohm
253 watts x 4 ohm bridged

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