[TriEmbed] speaker stuff

Pete Soper pete at soper.us
Wed Jan 12 10:57:21 CST 2022


I'm very impressed. Given eight ohm speakers the fuse will open with P = 
I^2R or .5x.5x8 = two watts going into the speaker for long enough to 
heat up the fuse and cause it to open. I'm assuming, however, that the 
fuse operates properly with AC. You should study the datasheet for this 
part to confirm this. If you hit a snag, holler and I'll ask a guy who 
knows a lot about this type of device. But well done you!

On 1/12/22 09:12, David Soper wrote:
> I have some NP capacitors in the closet wired into the wires going to 
> my kitchen speakers.  It occurred to me that I don't need those if I 
> switch my receiver back to crossing over. It was the tweeters I was 
> blowing up anyways.  I soldered these in this time for the tweeters 
> but plan to be careful. I had .75 amp ones in before.
>
> https://www.parts-express.com/TE-Connectivity-Raychem-RXEF050-0.50A-Polyswitch-071-254?quantity=1&custcol1=TE%20Connectivity%2FRaychem%20RXEF050%200.50A%20Polyswitch&custcol_ava_item=071-254&custcol_ava_incomeaccount=General&custcol_ava_upccode=844632046889&custcol_ava_pickup=F&custcol_disableshopping=F 
> <https://www.parts-express.com/TE-Connectivity-Raychem-RXEF050-0.50A-Polyswitch-071-254?quantity=1&custcol1=TE%20Connectivity%2FRaychem%20RXEF050%200.50A%20Polyswitch&custcol_ava_item=071-254&custcol_ava_incomeaccount=General&custcol_ava_upccode=844632046889&custcol_ava_pickup=F&custcol_disableshopping=F>
>
> -- 
> Dave Soper
>
>
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> 	01/12/22, 09:05:51 AM 	
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