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» Termpro Audio Forum » Component Specific Topics » Amplifiers » Amp measurement sheet to use, from me to you.

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Author Topic: Amp measurement sheet to use, from me to you.
dB Don
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This is the beta version so let me know if there is any glitches you see.

Also if a mod can make this a sticky so people can find it easy.

http://hebig.sasktelwebsite.net/AmpCalc.pdf

There you go. It's a direct link to the PDF. I would encourage people to right click and "save as" to save it to their computer to use over and over again rather than using it online. Print your tests so you have a hard copy after each series of tests.

Also if you want take a image of the results just press the print screen button then open up your paint program and paste and save it for your records or to post online for others to see.

Note: You must have Adobe Acrobat Reader 6 or later to use this form. You can download the most recent verson here www.adobe.com

[ 07-15-2009, 08:11 PM: Message edited by: dB Don ]

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-Donald Hebig
-All Out S.P.L. Saskatchewan's dB Drag event promoter
-Check the Termpro homepage partners for the companies I support.

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Mike Fallon
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cannot open this type of document errors in document

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Just some thoughts from a nobody. [Smile]
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LoKi
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Worked fine for me and very helpfull at that!!

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Team Sick Bastard
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JordyO
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needs Acrobat Reader 6 or higher to work.

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Team 2loud4you [Blob]
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HO-AUDIO
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I am definitaly going to try that out and see what comes of it. Thanks

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9 time Db Drag world Champion. New bass race vehicle for the 2008 season using all Digital Design speakers and Stetsom amps

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dB Don
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Anyone have some results?

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-Donald Hebig
-All Out S.P.L. Saskatchewan's dB Drag event promoter
-Check the Termpro homepage partners for the companies I support.

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Mr Bump
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Not used it, just seen it.

Awesome, saves me using excel [Smile]

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Ben
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Come and get some
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works great that for this this will make it a lot better for me

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Team Maxxsonics
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First 160+ on April 25/2009

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2008 World finals ss 1/2 3rd with a 154.5 2007 World Finals ss 1/2 NW 3rd with a 150.0

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dB Don
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Ya its been working awesome for me as well. I have had a few dealers use it to give their customers a hard copy of what kind of power their amp does that looks profesional.

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-Donald Hebig
-All Out S.P.L. Saskatchewan's dB Drag event promoter
-Check the Termpro homepage partners for the companies I support.

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Come and get some
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this will same me some time tomorrow

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Team Maxxsonics
Team T3 Audio
Team XS POWER
First 160+ on April 25/2009

 -                 -

2008 World finals ss 1/2 3rd with a 154.5 2007 World Finals ss 1/2 NW 3rd with a 150.0

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JRS168DB
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so what efficency would be conciderd good??and does it need to no what the voltage drops to or how much the voltage drops..?

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http://s79.photobucket.com/albums/j148/team420jesse/
http://s488.photobucket.com/albums/rr247/TeamXtremeAudioJesse/
ALLOT OF PICS OF MANY YEARS AT ABOVE LINKS
streetmax 3-4 2006 sams show 162 db

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dB Don
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It is what the voltage drops to.

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-Donald Hebig
-All Out S.P.L. Saskatchewan's dB Drag event promoter
-Check the Termpro homepage partners for the companies I support.

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JRS168DB
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WHAT AMP CLAMP DO YOU GUYS LIKE

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http://s79.photobucket.com/albums/j148/team420jesse/
http://s488.photobucket.com/albums/rr247/TeamXtremeAudioJesse/
ALLOT OF PICS OF MANY YEARS AT ABOVE LINKS
streetmax 3-4 2006 sams show 162 db

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dB Don
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quote:
Originally posted by JRS168DB:
WHAT AMP CLAMP DO YOU GUYS LIKE

Try to find ones that have true rms reading, high/low hold. Some HVac ones are duel display so you can read the output Amperage and AC output voltage at the same time for better accuracy.

Normally if you use 2 separate meters try to get the same models and/or line so the numbers are consistant. I hope that answers your question.

Alot of people may also have scopes but some don't have the ability to measure rms power but can help with distortion #'s etc.... but you wouldn't like the distortion readings your getting when your amp is pushed to its limits.

But since most don't care so much about .002% distortion reading I didn't include that in my sheet. For spl purposes we only really care how much effective power we are getting and how efficiently we get that power.

And well the impedence rise is to make sure we are getting the most power out of the amplifier/enclosure combination. Trying to correspond low rise with the peak note in the spl vehicle.

--------------------
-Donald Hebig
-All Out S.P.L. Saskatchewan's dB Drag event promoter
-Check the Termpro homepage partners for the companies I support.

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JRS168DB
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THANKS I ORDERED 1 OFF MY LOCAL TOOL TRUCK SO I HOPE THIS WORKS I REALLY NEED TO NO THE RISE IN MY BOX TO PERFECT AND GET OVA THE 165DB MARK THANKS DON

--------------------
http://s79.photobucket.com/albums/j148/team420jesse/
http://s488.photobucket.com/albums/rr247/TeamXtremeAudioJesse/
ALLOT OF PICS OF MANY YEARS AT ABOVE LINKS
streetmax 3-4 2006 sams show 162 db

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TweedleDee
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Cool little item, will see what's happening with some amps here in a couple days, thanks for this...
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dB Don
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Do you guys know how to copy results?
Just push print screen button, open ms paint then paste & save under whatever name you want it. You then can post it on forums.

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-Donald Hebig
-All Out S.P.L. Saskatchewan's dB Drag event promoter
-Check the Termpro homepage partners for the companies I support.

Posts: 2600 | From: Borden, Saskatchewan. Canada | Registered: Feb 2000  |  IP: Logged | Report this post to a Moderator
n8skow
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What Model Fluke would have a dual-display like you describe?


quote:
Originally posted by dB Don:
quote:
Originally posted by JRS168DB:
WHAT AMP CLAMP DO YOU GUYS LIKE

Try to find ones that have true rms reading, high/low hold. Some HVac ones are duel display so you can read the output Amperage and AC output voltage at the same time for better accuracy.

Normally if you use 2 separate meters try to get the same models and/or line so the numbers are consistant. I hope that answers your question.

Alot of people may also have scopes but some don't have the ability to measure rms power but can help with distortion #'s etc.... but you wouldn't like the distortion readings your getting when your amp is pushed to its limits.

But since most don't care so much about .002% distortion reading I didn't include that in my sheet. For spl purposes we only really care how much effective power we are getting and how efficiently we get that power.

And well the impedence rise is to make sure we are getting the most power out of the amplifier/enclosure combination. Trying to correspond low rise with the peak note in the spl vehicle.


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murilo@soundigital.com.br
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LOW BUDGET

fluke 113/114 + 902


Just adding some info, with a scope you measure the peak voltage, so the RMS voltage will be this value divided by 1.414.

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World's strongest amplifiers

Contact at

murilo@soundigital.com.br
(204) 416 3713

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1banginbuick
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whats speaker re?

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Bill Arnold
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dB Don
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quote:
Originally posted by 1banginbuick:
whats speaker re?

speakers impedence load you present to amplifier.

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-Donald Hebig
-All Out S.P.L. Saskatchewan's dB Drag event promoter
-Check the Termpro homepage partners for the companies I support.

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RFKANGOO
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looks very good but I would add 1 thing
the volume you are testing at

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POWER IS NOTHING WITHOUT CONTROL [Smile]
michel van wijk
superstreet 1-2 no-wall
159.3 @ 66hz certified
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sm4k2p0t
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I have a MA audio amp im looking for the specs on its the m286i cometition 2 channel amp with bass bost cant find it online ne where ne ideas?
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