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Old 2nd October 2011, 10:11 PM   #1
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Default Got my chipamp, and now ? :D

hello, i finaly gott my first chipamp, (chipamp.com) now i need som help, what is the best transformer for this kit ? ( i will have 2 mono amps) and where can i get i realy nice case for it ? thick aluminium ? =)

have a nice day you all
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Old 2nd October 2011, 11:38 PM   #2
AndrewT is offline AndrewT  Scotland
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One mono amp means one PSU powering one amplifier inside one chassis.
Two mono amps requires two amplifiers two transformers and two chassis.
Is that what you want?
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Last edited by AndrewT; 3rd October 2011 at 12:04 AM.
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Old 3rd October 2011, 03:35 AM   #3
Leolo is offline Leolo  Canada
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LM1875 or LM3886.

... in either case, read the instructions, solder components to the boards, wire it up, double check everything. Check them again. Turn on and listen.

Finally made a LM1875 amp
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Old 3rd October 2011, 03:42 AM   #4
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2 mono amp could be powerd by only one PSU..Of course the can't be in the same chassis :-P
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Old 3rd October 2011, 07:24 AM   #5
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AndrewT yes that is what i want =)

i got the LM3886

hehe i think that i will have 2 PSU
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Old 3rd October 2011, 07:50 AM   #6
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You will need some additional components to build monoblocks, such as power sockets, switches, fuse-holders and fuses, thermistors (maybe), transformers, heatsinks and connectors for signal and speaker cables.

If you're not familiar with mains wiring and voltages read the following articles from DIY Audio Articles:

Electrocution
Power Supply for Power Amplifiers
Power Supply Wiring Guidelines
Earthing (Grounding) Your Hi-Fi - Tricks and Techniques

I would suggest you get two toroid transformers with at least 150VA each, popular brands are Plitron or Avel Lindberg. R-core transformers are probably the best but they are expensive and not widely available. EI-core transformers are fine too.

For enclosures you can search something from Hammond or from modu, the latter being located in Italy near Bologna.
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Old 3rd October 2011, 08:09 AM   #7
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R-Core xformers can be found here: Transformateur R-CORE*: Achat Transformateurs R CORE discount
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Old 3rd October 2011, 08:27 AM   #8
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thanks for all the links

is the R-core better then the "normal ones"
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Old 3rd October 2011, 09:23 AM   #9
AndrewT is offline AndrewT  Scotland
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Quote:
Originally Posted by diyroger View Post
2 mono amp could be powerd by only one PSU..Of course the can't be in the same chassis :-P
two channels powered by one PSU must be a two channel amplifier. It cannot be two mono amplifiers.
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Old 3rd October 2011, 06:41 PM   #10
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yes that is true :P

can someone help me get a 2 good chassis for my amp ? where is the best plase to get one ?
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