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Good dummy load, right?

 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1776
Registered: Sep-04
http://cgi.ebay.com/RESISTORS-0-05-OHM-105-WATT-RESISTOR-15_W0QQitemZ2564150369Q QcategoryZ4664QQrdZ1QQcmdZViewItem

with those i could wire multiple resistors in parallel/series and get w/e ohm load im looking for and tune amps up to 1500w rms correct?
thanks guys, 'preciate it
 

Gold Member
Username: Bestmankind

Los Angeles, CA USA

Post Number: 2342
Registered: Oct-05
since they are 105 watt resistors wouldn't it take away that much power from your amp? i am assuming you would need to use at least two of those so that means 210 watts. just a thought i have. i am probably wrong.
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1778
Registered: Sep-04
i thought the 105w meant they can handle thermally 105w rms....
 

Silver Member
Username: Blainew

Post Number: 931
Registered: Nov-05
those are only .05 ohms ...wouldnt you need alot more than 15 of them
 

Gold Member
Username: Bestmankind

Los Angeles, CA USA

Post Number: 2347
Registered: Oct-05
oh my bad i was thinking .5 ohms each.
 

Gold Member
Username: B101

Queen City, NC USA

Post Number: 1026
Registered: Sep-05
Trevor Im not sure what you asking. Do you want to simply drop the ohm load of the sub for more output of the amplifier? Or do you just want to measure the power coming out of the amplifer?

If its to gain more power it wont work, cause the extra power will be disapated across the resistor in the form of heat. You will need a transformer in this case. =D
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1783
Registered: Sep-04
i want to do this for example.

hook a 200w 1 ohm stable amplifier up to 2 of them wired in series for a 1ohm load. then adjust the gain while playing a 50z tone at 3/4 volume and turn the gain up until i reach appx 14V from the speaker outputs....

so to tune an amp
 

Silver Member
Username: Blainew

Post Number: 932
Registered: Nov-05
trevor those resistors are .05 ohms not .5 you would only get a .1 ohm load....not a 1 ohm load
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1786
Registered: Sep-04
wow the whole time i was reading that the "zero" after the decimal was invisible to me lol. i feel dumb... well say for instance they were .5 ohm or 2 ohm for that matter. would they serve my purpose?
 

Silver Member
Username: Lbeckner

Tulsa, Ok Usa

Post Number: 617
Registered: Oct-04
that resistor is a wire-wound resistor. just get you some copper wire and roll it up until it equals one ohm.
 

Silver Member
Username: Safe_cracker

Chicago, IL US

Post Number: 150
Registered: Jan-06
http://cgi.ebay.com/Resistor-2-ohm-50watt-1-Dale-Resistors-20_W0QQitemZ758798825 5QQcategoryZ4664QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1787
Registered: Sep-04
lucas, but then how do you know how many watts it can handle?
 

Gold Member
Username: B101

Queen City, NC USA

Post Number: 1028
Registered: Sep-05
Trevor try this, it may help.
http://sound.westhost.com/tsp.htm
http://www.diysubwoofers.org/measure.htm
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