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Old 30th July 2005, 09:01 PM   #1
Frank10 is offline Frank10  United States
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Default LM3886 best price

Hello,
I am a new member and I was wanting to find out the best places to buy the LM3886 power amplifiers. What is the cheapest price on the internet? I want to make my own circuit board and do it right with a good design. I was talking with a kid at the local high school and he designed a great circuit. He said it will put out 500 watts and sounds really great. It only uses one LM3886 with a tube booster. Thanks for your help.
Frank
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Old 30th July 2005, 10:43 PM   #2
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www.jameco.com


Price match plus 10%
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Old 30th July 2005, 11:07 PM   #3
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Default Re: LM3886 best price

Quote:
Originally posted by Frank10
it will put out 500 watts and sounds really great. It only uses one LM3886 with a tube booster.
I hope you're kidding.
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Old 30th July 2005, 11:10 PM   #4
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Was the amp running NOS?
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Old 31st July 2005, 12:16 AM   #5
DcibeL is offline DcibeL  Canada
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I think that would be 1 zero too many .
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Old 31st July 2005, 12:45 AM   #6
maf_au is offline maf_au  Australia
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Quote:
Originally posted by asgorath
Was the amp running NOS?
For that sort of output, I think it must be running FI as well
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Old 31st July 2005, 08:53 AM   #7
Frank10 is offline Frank10  United States
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Default Amplifier

Well the kid says it should put out at least 500-1000 watts if the power supply is big enough. He was going to find a 2000 volt transformer for the tube ( out of a radio transmitter). I just want something big for my new speakers he is building. He knows what he is doing because he built a few kits and they do work and he isn't charging what other would charge. The total cost of the amplifier is less than $1 per watt (plus the cost of the tube which he hasn't gotten the price yet). He said the frequency response goes out to 1 mhz.

If everything goes well we are going to patent the amplifier and probably manufacture them so if people want one they will probably be available later in the year.

Thanks for all of your help and suggestions.

Frank
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Old 31st July 2005, 08:53 AM   #8
Frank10 is offline Frank10  United States
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What is NOS? I will ask him if it has a NOS in it. Is NOS a better way of doing it?

The reason for going with a tube is that all good amplifiers or really expensive amps are tube and usually you get what you pay.

Is there some good design book on amplifiers I could get so I can learn what you all know?

I want to build large amplifiers and really good ones.

Thanks for all of your help.

Frank
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Old 31st July 2005, 12:16 PM   #9
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Is that 500WPC @ 0.0001THD + N? or was it 0.00000001?

NOS... oh yeah... too bad they don't use it in GAiS
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Old 31st July 2005, 02:13 PM   #10
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I would have thought an output transformer for 500-1000W would likely cost a small fortune, as it will no doubt have to be custom made.

Sorry if I sound sceptical, but I wouldn't trust lowest price bid on any engineering job, let alone something that involves bringing lethal voltages into a domestic residence...
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