Power Resistors at Mouser

vdi_nenna · 19th July 2001, 12:28 AM

I just got the new Mouser catalog today. They have 100, 200, 300 watt, 1%, aluminum housed resistors. In 4 ohm, 8, ohm and 16 ohm values. They are pricey however: $20, $40, $70, respectively. This may help some of you who are looking to build a Son of Zen amp.

rborer · 19th July 2001, 09:25 PM

At Parts Express http://www.partsexpress.com, 8 ohms 100W dummy loads are $11.50 and 200W are $33.50. There are no 300W.

vdi_nenna · 19th July 2001, 10:46 PM

Nice!

Thoth · 22nd July 2001, 07:14 AM

I needed a few dummy loads, so I took a trip to one of the local surplus shops. In my low-power loads, I put 3 22-ohm, 50W resistors in parallel ($4.50 per load, 150W). In my medium-power loads, I put 12 100-ohm, 25W resistors in parallel, with a 200-ohm, 50W resistor ($14 per load, 312.5W).

I plan to build a pair of high-power loads, consisting of 125 1K-ohm, 25W cement resistors in parallel (3125W), with a fan blowing across them. This will be to test out a 2KW amp. I'll be buying these wherever I can get them cheap (probably not surplus, due to the quantity).

If you shop carefully, and with a calculator, you can get all kinds of deals.

Good luck.

[Edited by thoth on 07-22-2001 at 01:10 PM]

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19th July 2001, 12:28 AM	#1
vdi_nenna diyAudio Member Join Date: Oct 2000 Location: PA, USA	I just got the new Mouser catalog today. They have 100, 200, 300 watt, 1%, aluminum housed resistors. In 4 ohm, 8, ohm and 16 ohm values. They are pricey however: $20, $40, $70, respectively. This may help some of you who are looking to build a Son of Zen amp.

19th July 2001, 09:25 PM	#2
rborer diyAudio Member Join Date: May 2001 Location: São Paulo, Brazil	At Parts Express http://www.partsexpress.com, 8 ohms 100W dummy loads are $11.50 and 200W are $33.50. There are no 300W.

19th July 2001, 10:46 PM	#3
vdi_nenna diyAudio Member Join Date: Oct 2000 Location: PA, USA	Nice!

22nd July 2001, 07:14 AM	#4
Thoth diyAudio Member Join Date: May 2001	I needed a few dummy loads, so I took a trip to one of the local surplus shops. In my low-power loads, I put 3 22-ohm, 50W resistors in parallel ($4.50 per load, 150W). In my medium-power loads, I put 12 100-ohm, 25W resistors in parallel, with a 200-ohm, 50W resistor ($14 per load, 312.5W). I plan to build a pair of high-power loads, consisting of 125 1K-ohm, 25W cement resistors in parallel (3125W), with a fan blowing across them. This will be to test out a 2KW amp. I'll be buying these wherever I can get them cheap (probably not surplus, due to the quantity). If you shop carefully, and with a calculator, you can get all kinds of deals. Good luck. [Edited by thoth on 07-22-2001 at 01:10 PM]

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