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Old 20th March 2008, 04:27 PM   #11
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Maybe you could build yourself a set of chipamp friendly speakers instead?
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Old 20th March 2008, 04:39 PM   #12
AndrewT is offline AndrewT  Scotland
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Quote:
Originally posted by Tripmaster
Do you have any other suggestions?
yes, look at using one of the driver amps with discrete output stage. Search here for threads.
My preference is for a good 100W into 8ohm discrete amplifier that has excellent build support.
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Old 20th March 2008, 04:45 PM   #13
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It’s a possibility…but it would be nice to have an amp that will drive a wide range of speakers at an acceptable level
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Old 20th March 2008, 06:21 PM   #14
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Default Re: I am planing to build my first Gainclone and require your assistance...

Quote:
Originally posted by Tripmaster
I am hoping some of you may be able to help. I am new to Gainclones and electronics.

Does any one know if I can buy the Chipamp.com or Audiosector.com PCBs in the UK? It would be easier to follow one of these kits.

This is good:
http://www.national.com/an/AN/AN-1192.pdf
http://www.national.com/an/AN/AN-898.pdf
http://www.national.com/appinfo/audi...gn_Guide15.xls
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Old 20th March 2008, 06:37 PM   #15
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As I have already purchased the Chipamp dual mono kit (possibly a mistake with my speakers) can anyone recommend a way of expanding this kit to deliver suitable power to drive these speakers?

I currently use an Alchemist Kraken Mk1 integrated amp in my existing system.
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Old 20th March 2008, 06:44 PM   #16
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You could also build the amp and see what you'll get.
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Old 20th March 2008, 06:46 PM   #17
AndrewT is offline AndrewT  Scotland
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Hi,
have a look at the parallel chipamp schematic and see if your PCB can be adapted to match.
This way you could design for 60W into 8ohm for each of the paralleled chipamps and the pair will cope with the low impedance load presented by the B&Ws.
You still get a maximum of 60W into 8r0 (and the current equivalent of 120W into 4r0) but less likely to trigger protection on current transients or on over-temperature.
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Old 20th March 2008, 06:48 PM   #18
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Quote:
Originally posted by AndrewT
Hi,
have a look at the parallel chipamp schematic and see if your PCB can be adapted to match.
This way you could design for 60W into 8ohm for each of the paralleled chipamps and the pair will cope with the low impedance load presented by the B&Ws.
You still get a maximum of 60W but less likely to trigger protection on current transients or on overtemperature.

Thanks, i will
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Old 20th March 2008, 06:51 PM   #19
AndrewT is offline AndrewT  Scotland
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Default Passive Bi-amping

Alternatively,
design 4 monoblocks to drive each of the drivers and their respective half of the crossover independently. =Passive bi-amping.
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Old 20th March 2008, 07:29 PM   #20
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I agree with AndrewT. You should build 4 mono blocks and bi amp. Many years ago I upgraded two pairs of Dynaco MIIIs for a friend to bi amp a pair of B&W 801s. Worked great and the sound was outstanding. You can build 4 chip amps for less than any decent 100w amp.
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