8 Ohm Dummy Load Resistors

[sorenj07]

Is something like this OK? http://tinyurl.com/2xcvt7
I'm thinking four, in an H-shaped configuration for 100W 8 ohm.

Or should I really try for something like this? http://tinyurl.com/2y94p8

Or might this one be OK too? http://tinyurl.com/26dogk

Or should I just go to Mouser and get one of their chassis-mount models? I'd rather not have to work any metal to mount them, mostly because I don't have any of my metal-working tools here! Yellow_Light_Colorz_PDT_07

[Shannon Parks]

You might as well grab several of those cement ones, as they are handy. You'll probably want two to load those stereo amps. I like that Parts Express load - might have to grab one with my next order. Nice find.

[EWBrown]

If you plan on building up some higher power amps, go for the pParts Express loads, they should be more than adequate for 99.9% of all test requirements.

The smaller (and less expensive) 8 ohm, 25W resistors should be fine for lower power testing, or short-term higher power. They're probably "inductive"which doesn't metter except for precise instrument testing. For dummy load usage, they're perfectly good.
For higher power, a simple series-parallel arrangement will work.

(For 4 ohms, use 2 in parallel, for 16 ohms, two in series, etc...)

/ed B in NH