More Fresh Blood

bigparsnip · 28th April 2003, 11:40 PM

Well hello. I finaly decided to sign up to the forums after nosing about for a while as it looks like my project just got a bit of a kick start, so I may be after a bit of advice in the near futre on the two projects I have in planning at the moment.

The first of these projects, which I have been thinking about for a while, will be a micro controler based pre-amp with a nice graphical VFD dispaly on it. There is still a lot I need to do on this thing though, as I still only have a vauge idea of what it should be capable of doing (well, I know what it SHOULD do, but the is a large list of things I would like to go with it).

The second project is a bit of a monster amp to conect up to aformentioned pre-amp. This thing should be good for 200W/PC into 8 ohms, and happily go all the way to 800W/PC for 2 ohms. This may sound a little optomistic givin the power it would suck up, but if you look at the picture below you will see what I have just got me two of. Rather large 40-0-40 transformers wich are rated well over 1500VA (not bad for only £40 for the pair new

) which should provide more than enough power to drive a single channel as mentioned above. The only thing I'm not to sure about at the moment is where I can get me some good, cheep power supply caps with a ripple current rating of over 20A in the UK. If anyone can help me out there I would very much apreciate it.

Anyway thats it for now, but you should be hearing more from me about the forums as the projects start to pick up pace after (or durign) my exams.

Bigparsnip.

leadbelly · 29th April 2003, 12:23 AM

Welcome.

Since your xformer looks like a chicken, I recommend you use a case designed like a coop....maybe steel mesh (chicken wire) to block rfi lining a plexiglass case?

Ignore me, I'm just thinking out loud

bigparsnip · 29th April 2003, 12:37 PM

Never noticed that I bought two chickens, oops. But I see what you meaen, I'll just have to hope the chickens cook good when conected up to the mains,

.

slowmotion · 29th April 2003, 03:05 PM

Hi bigparsnip

Nice little transformer you've got there

Welcome to the forums

cheers

bigparsnip · 29th April 2003, 03:23 PM

Thanks very much slowmotion, hopefuly I should have some other bit and pieces to go with them soon as well.

28th April 2003, 11:40 PM	#1
bigparsnip diyAudio Member Join Date: Apr 2003 Location: Cambridge	More Fresh Blood Well hello. I finaly decided to sign up to the forums after nosing about for a while as it looks like my project just got a bit of a kick start, so I may be after a bit of advice in the near futre on the two projects I have in planning at the moment. The first of these projects, which I have been thinking about for a while, will be a micro controler based pre-amp with a nice graphical VFD dispaly on it. There is still a lot I need to do on this thing though, as I still only have a vauge idea of what it should be capable of doing (well, I know what it SHOULD do, but the is a large list of things I would like to go with it). The second project is a bit of a monster amp to conect up to aformentioned pre-amp. This thing should be good for 200W/PC into 8 ohms, and happily go all the way to 800W/PC for 2 ohms. This may sound a little optomistic givin the power it would suck up, but if you look at the picture below you will see what I have just got me two of. Rather large 40-0-40 transformers wich are rated well over 1500VA (not bad for only £40 for the pair new ) which should provide more than enough power to drive a single channel as mentioned above. The only thing I'm not to sure about at the moment is where I can get me some good, cheep power supply caps with a ripple current rating of over 20A in the UK. If anyone can help me out there I would very much apreciate it. Anyway thats it for now, but you should be hearing more from me about the forums as the projects start to pick up pace after (or durign) my exams. Bigparsnip.

29th April 2003, 12:23 AM	#2
leadbelly diyAudio Member Join Date: Dec 2002 Location: Calgary, Alberta	Welcome. Since your xformer looks like a chicken, I recommend you use a case designed like a coop....maybe steel mesh (chicken wire) to block rfi lining a plexiglass case? Ignore me, I'm just thinking out loud __________________ Aerodynamics are for people who can't build engines. Enzo Ferrari

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29th April 2003, 12:37 PM	#3
bigparsnip diyAudio Member Join Date: Apr 2003 Location: Cambridge	Never noticed that I bought two chickens, oops. But I see what you meaen, I'll just have to hope the chickens cook good when conected up to the mains, .

29th April 2003, 03:05 PM	#4
slowmotion diyAudio Member Join Date: Nov 2002 Location: Norge	Hi bigparsnip Nice little transformer you've got there Welcome to the forums cheers

29th April 2003, 03:23 PM	#5
bigparsnip diyAudio Member Join Date: Apr 2003 Location: Cambridge	Thanks very much slowmotion, hopefuly I should have some other bit and pieces to go with them soon as well.

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