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DIY Amp kit? - Page 3

post #31 of 43
8/28/07 at 8:35am
Thread Starter 

I agree

Quote:
Originally Posted by joneeboi View Post
I'm kind of surprised some of you are suggesting he build a CKK3 as a first project. Whatever happened to the classic CMoy? Then there are the PIMETA, szekeres, A47 which all seem to pop up in suggestion threads like this one. Perhaps the CKK3 is a beginner project, but I wouldn't say for a first amp. (Of course I haven't built it, but comparing schematics should already tell you something.)

http://www.amb.org/audio/ck2/schematic.html
http://www.tangentsoft.net/audio/cmo...angent-sch.pdf
I've ordered the CKK3 kit from jrossel but I've decided to build a cmoy or 2 first. I've got
2 cmoy boards and parts on the way. Thanks to all. I should have the stuff this week. I'm ready to roll.

Later
James
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post #32 of 43
8/28/07 at 10:10am
Good luck with the build. Make sure to post the pics.
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post #33 of 43
8/28/07 at 6:26pm
Quote:
Originally Posted by jamess71 View Post
I've ordered the CKK3 kit from jrossel but I've decided to build a cmoy or 2 first. I've got
2 cmoy boards and parts on the way. Thanks to all. I should have the stuff this week. I'm ready to roll.

Later
James
Wise decision, because setting the CKK3 output transistors' quiescent current will drive you nuts because of the BJTs positive temperature coefficient nature.
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post #34 of 43
8/28/07 at 9:13pm
Good decision IMO. It'll give you good practice and leave you with a nice portable amp.

Yeah, setting the output transistor quiescent current was a BIG PITA. Just remember to case it up when you set it! I didn't and had to go through the whole process again cause it was getting much better cooling sitting open on my desk.

Make sure you let us know if you need help and especially when you finish it! We want to see this
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post #35 of 43
8/29/07 at 1:32pm
Mmm the joys of sourcing an amp from 5..6..7 places!
Okay, maybe not, but its great when you get all the bits you were looking for. I agree though, 90% of my time was spent figuring out what to change(and why) and where to get it from (and how to get it). Putting it together is the fun bit, but its a matter of a few hours once you have all the bits. Jeffs kits are great though. You can't go wrong, he has a solid parts list and you can always change out a few caps down the line for that extra lil bit. I'm going to order a few more alien dacs from him soon, and just get some caps later on.

x2 on the mini^3 though. its just an order from amb and mouser(or d.key) to get a fully functional amp (- the battery). I also think putting a parts list together is good experience for when you get to bigger stuff. you could always post your list here for refinement or PM me, I got a mouser BOM with custom part numbers and quantities all ready to go. (ambs shop is easy too)
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post #36 of 43
8/29/07 at 4:39pm
perhaps you missed it but jeff has the mini3 kits too ..dB
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post #37 of 43
8/29/07 at 5:04pm
Quote:
Originally Posted by Steve Cat View Post
It seems to me the major difficulty for beginner getting involved in building is getting the parts.
Knowing where the parts are available online and getting into the groove or sourcing these parts can be intimidating. No worries. I wish the parts were available locally as wel, but I think you'll find that the favorites around here (Mouser, Digikey, Jameco) are excellent and trusted online vendors. Just take it slowly, and read through some fo the threads realting to what you want to build.

As for me, I always have a D'Oh moment a few weeks after I receive parts as I always have forgotten something. Ah well. I continue to fund FedEx and UPS on a regular basis.

Quote:
Originally Posted by Steve Cat View Post
I for one don't like to look like a ninny, and a lot of the people at these stores are such uber geeks they make me feel even dumber.
Never mind them. Everybody has to start somewhere. If you get treated that way, vote with your wallet: shop somewhere else! We all learn at our own rate, so never mind the uber geeks.

Finally, I think you'll find that here at Head-Fi, we don't use the word noob to put someone down or make them feel inferior (well, probably 99% of us don't anyway). If you're a new guy, then Welcome to this forum. You'll definitely learn something and make some friends as well.
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post #38 of 43
9/4/07 at 10:53am
Quote:
Originally Posted by dBel84 View Post
perhaps you missed it but jeff has the mini3 kits too ..dB
Yes, he certainly does I have a mini3 kit on the way from glassjaraudio & it was mucho smooth making a couple tweaks to his BOM (e.g. I had a compatible wallwart already)... Just a few business days from initial contact to shipped kit (just like the SOHA I ordered from him a while back).

Although I've worked on my personal BOMs & placed several orders for parts (Mouser, etc.), I still think Jeff's kits are a real time-saver & single-point shipping is very cost-efficient too.

BTW, I just ordered the Accupower 270 9v for $8 w/free ship from batteryspecialists.com, we'll see how that goes...
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post #39 of 43
9/7/07 at 2:59pm
Update: Jeff's Mini3 kit arrived (just as expected - nice!) & so did the Accupower 270 9v for $8 w/free ship from batteryspecialists.com... Now for a few hrs sometime to build it
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post #40 of 43
7/16/10 at 4:56am

anysite that sells the whole kit for mini3?i tried glassjar but he wouldnt ship outside europe so i dont know where else to order from.

i also tried amb's shop and i will order the y1 and 2 parts from it but i dont know where to get other parts and will ship internationally.

 

also its a bit confusing to order all these parts that are not available at amb's shop for a noob like me.

any help please?

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post #41 of 43
7/16/10 at 7:39am

midoo1990, it would help if you tell us where you're located, since that info isn't listed in your profile.

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post #42 of 43
7/16/10 at 7:51am

Egypt.

Edit:i also tried some online shops like Mouser and not only there are many parts not available but the shipping is a whooping $75!

shipping is more than what i will order.


Edited by midoo1990 - 7/16/10 at 7:56am
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post #43 of 43
7/16/10 at 8:34am

i guess,there is no full kit anywhere:( i will place my order for y1,2 and mini3 at amb's shop and i will figure out how to get the rest after i search a bit.

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