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Old 25th November 2008, 04:50 PM   #1
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Default GB For RMI-FC100 Parts

Hello Everyone,
I am making this post for a group buy for parts for the RMI-FC100 amplifier, designed by diyAudio member, roender. This thread will be used to help locate, discuss and finally purchase parts for the construction of the RMI-FC100 amplifier. Please, make your comments,suggestions
here in this dedicated thread. Hopefully,we all can benefit from your posts.

Cambe
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Old 25th November 2008, 05:30 PM   #2
xaudiox is offline xaudiox  Philippines
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i just read the whole thread and got me interested to build this amp..

I'm interested with 4pcs PCB...
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Old 26th November 2008, 02:32 PM   #3
housing is offline housing  Hong Kong
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I'm interested in 4pcs of PCB (preferably without the filter caps on board) also.
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Old 30th November 2008, 07:17 PM   #4
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Hi Cambe,

very good idea to open this thread!!!

Some parts for this amp are really not easy to get.
My sources were:

All the Onsemis I got directly from Onsemi via sample order. Cheap, easy, but it took more than two month that I got all of them. The 15034/5 one can get from Digikey.
2SC3423Y and 2SA1360Y I got from a German supplier: www.segor.de

I'm personally interested in following items:
+Transformer for frontend psu: Roender wrote:
"Try to find a good E+I, 2x36V, or better an R-core transformer. One for every channel 2x36V,15VA or one with 4x36V, 30VA"
+Electrolytic Capacities for the main psu. 10.000 F, 50 or 63V

I couldn't find a appropriate transformer => custommade. I try to find suppliers and try to get quotes.

Elkos I'd order from digikey. If ordered more than 50 they will be rather cheap, if ordered more than 200 really cheap. I'll post prices next days.

Elkos I think could be shipped rather cheap overseas, shipping transformers should make sense just within Europe.

So, if anybody is interested in one of these two item, please post so that I have numbers for quotes.

Cheers Ernst
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Old 1st December 2008, 06:30 PM   #5
TedS is offline TedS  United States
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Hello!

I've been waiting for a groupbuy to get started for this project. I started to build a BOM in Excel with part numbers and links to sources, but didn't get very far since I'm new to amp-building. I've attached my file, though, in case others may find it useful. We could use it as a starting point and add to it as we identify sources. But I hope someone with more experience double-checks the items already on the list for suitability.

Hope this helps!

Ted
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Old 2nd December 2008, 05:04 PM   #6
TedS is offline TedS  United States
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Also, here are some links for some transformer suppliers:

Plitron

Antek

Ted
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Old 3rd December 2008, 09:41 AM   #7
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@ all they ordered pcbs month ago. Now they arrived and here are the pics. As emailed, I'll ship them within the next days, probably on weekend.

I have to count them and compare the number of delivered and ordered pcbs. On the one hand they usually deliver more than ordered, to be shure to have enough after electric testing. On the other hand of you guys did not pay, so I probably have a few more than needed.

After having sorted this out I'll come back to the guys they asked for boards.

Cheers Ernst
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Old 3rd December 2008, 09:48 AM   #8
xaudiox is offline xaudiox  Philippines
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ohhh i never realize that the boards were ordered already.. Hope there's some excess boards.. thanks
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Old 3rd December 2008, 10:27 AM   #9
AndrewT is offline AndrewT  Scotland
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Ernest.
Email sent.
Two PCBs for me please.
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Old 3rd December 2008, 11:12 AM   #10
housing is offline housing  Hong Kong
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Quote:
Originally posted by ernesternest
@ all they ordered pcbs month ago. Now they arrived and here are the pics. As emailed, I'll ship them within the next days, probably on weekend.

I have to count them and compare the number of delivered and ordered pcbs. On the one hand they usually deliver more than ordered, to be shure to have enough after electric testing. On the other hand of you guys did not pay, so I probably have a few more than needed.

After having sorted this out I'll come back to the guys they asked for boards.

Cheers Ernst
Hi Ernst,

If there're any spare boards, I'll take 2 sets of the boards. Thanks.


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