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Old 23rd March 2002, 04:28 PM   #1
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Default Resistor Question

I'm going to build the DIY speakers from audioreview.com that call for a 5ohm, 12 watt (1%) cement type wirewound resistor. Living in Canada, my parts selection is limited to really only one company based out of Quebec.

They offer both non-inductive metal oxide and cement type wirewound ($1 metal and 40 cents cement) but only at 10 watts.

What's the difference between the metal oxide and cement type (if any) and by using a 10 watt resistor instead of a 12 watt am I going to notice anything?

I've seen some 5 ohm resistors sell for $3 - $5 USD ... much more than the ones I listed above which gives me cause for concern.

Any help would be great.
Thanks
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Old 23rd March 2002, 08:37 PM   #2
JoeBob is offline JoeBob  Canada
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Well, 10w apposed to 12w really won't change much.

As for which resistors sound better, I've seen many different views on the subject. But I'm gathering it's for attenuating your drivers, correct? In that case the best way to go would be to buy one of both and try them and see which sounds better (although I doubt you'll hear one, the extra $1 won't kill you).
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Old 23rd March 2002, 08:48 PM   #3
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Thanks, trying both is a good idea!
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Old 23rd March 2002, 09:19 PM   #4
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If you need 5 ohm 12 Watt, you could also use two 10 ohm 10 Watt resistors in parallel. This would give you 5 ohm at 20 Watts. Since you can get them so cheap you might as well just use two and be safe.
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Old 24th March 2002, 01:52 AM   #5
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Hello jcs302,
I have found carbon film resitors to sound much nicer than ceramic wirewound resistors.
Downside is that you will need to parallel multiple resistors to get the value that you need.

Hope this helps,
Regards, Eric.
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