FRED's GO banG. : O )

jleaman · 22nd September 2003, 03:53 AM

well i just tried my new set of fred's for my blue amplifiers they sound a little cleaner. But i didnt know that you have to have them on heat sink. and after a few min i guess they got hot and well BANG!! heh. here is my picture.

Peter Daniel · 22nd September 2003, 04:12 AM

Well, you should be always carefull when working with electricity. When starting a new circuit for the first time, I always wear glasses, as you never know what can explode. I also try to monitor temp on semis and capacitors initially, by touching them carefully. If you did that you might had prevented the loss.

BTW, I once had an accident, when a capacitor exploded into my eye. That made me paranoid about capacitors and that's why I always wear glasses when checking new circuits. I also have only one real pupil left, as I carry a plastic lense in my left eye for the last 20 years.

How's that jam, for being carefull and aware?

jleaman · 22nd September 2003, 04:14 AM

i'm the same way when i plug things in i use a piece of plexy glass to hide behind. : O )

i really didn't know i needed to have these Fred's on a heat sink .. or this would not have happened.

jleaman · 22nd September 2003, 04:16 AM

Now i need to get more . : O )

Peter Daniel · 22nd September 2003, 04:23 AM

Are those the ones from me? I can send you more if you need. Just give me the part #.

jleaman · 22nd September 2003, 04:27 AM

Yeah there the same ones you sent me ..

pn# B1060
CQ304

if your going to send more. : O )

can you send me one of them thick isolation pads used for the irfp244's ect ect ect 's

i want to see one.

please..

Peter Daniel · 22nd September 2003, 04:29 AM

OK. How many diodes?

jleaman · 22nd September 2003, 04:32 AM

I don't mean to be a mooch peter. but long time ago you built some nice rectifier boards for your a40's i believe.

you used 8 Fred's and 8 of them green caps. do you have any of those left. maybe send me one or 2 so i can order more. i would like to try some out. ?

and 4 Fred's is good enough as i still have 4 Fred's right now..

And do i need isolation pads to mount these to a heat sink? of can they just be mounted to the raw heat-sink. ?

jam · 22nd September 2003, 02:09 PM

Peter,

You have restored my faith.................

Here's one for you.

22nd September 2003, 04:12 AM	#2
Peter Daniel diyAudio Member Join Date: Jul 2002 Location: Toronto, Canada	Well, you should be always carefull when working with electricity. When starting a new circuit for the first time, I always wear glasses, as you never know what can explode. I also try to monitor temp on semis and capacitors initially, by touching them carefully. If you did that you might had prevented the loss. BTW, I once had an accident, when a capacitor exploded into my eye. That made me paranoid about capacitors and that's why I always wear glasses when checking new circuits. I also have only one real pupil left, as I carry a plastic lense in my left eye for the last 20 years. How's that jam, for being carefull and aware? __________________ www.audiosector.com “Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it.” - JC

22nd September 2003, 04:23 AM	#5
Peter Daniel diyAudio Member Join Date: Jul 2002 Location: Toronto, Canada	Are those the ones from me? I can send you more if you need. Just give me the part #. __________________ www.audiosector.com “Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it.” - JC

22nd September 2003, 04:29 AM	#7
Peter Daniel diyAudio Member Join Date: Jul 2002 Location: Toronto, Canada	OK. How many diodes? __________________ www.audiosector.com “Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it.” - JC

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22nd September 2003, 04:14 AM	#3
jleaman Banned Join Date: Apr 2002	i'm the same way when i plug things in i use a piece of plexy glass to hide behind. : O ) i really didn't know i needed to have these Fred's on a heat sink .. or this would not have happened.

22nd September 2003, 04:16 AM	#4
jleaman Banned Join Date: Apr 2002	Now i need to get more . : O )

22nd September 2003, 04:27 AM	#6
jleaman Banned Join Date: Apr 2002	Yeah there the same ones you sent me .. pn# B1060 CQ304 if your going to send more. : O ) can you send me one of them thick isolation pads used for the irfp244's ect ect ect 's i want to see one. please..

22nd September 2003, 04:32 AM	#8
jleaman Banned Join Date: Apr 2002	I don't mean to be a mooch peter. but long time ago you built some nice rectifier boards for your a40's i believe. you used 8 Fred's and 8 of them green caps. do you have any of those left. maybe send me one or 2 so i can order more. i would like to try some out. ? and 4 Fred's is good enough as i still have 4 Fred's right now.. And do i need isolation pads to mount these to a heat sink? of can they just be mounted to the raw heat-sink. ?

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