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Old 25th December 2008, 11:21 PM   #1
V_nadaf is offline V_nadaf  Iran
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Question 16Ohm Ampli

I have 2 320A16A B&C Speakers
Iwant a ampli circuit that give 320w rms for 16 Ohm output
Help me please

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Old 25th December 2008, 11:31 PM   #2
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Location: Carlisle, England
Default Re: 16Ohm Ampli

Originally posted by V_nadaf
I have 2 320A16A B&C Speakers
Iwant a ampli circuit that give 320w rms for 16 Ohm output
Help me please


Why does it need to be 16 ohms ?

That would mean a very high pwoer supply voltage to get 320WRMS !

8 or 4 ohms would be a much better impedance.
Murton-Pike Systems PCBCAD51 pcb design software. http://www.murtonpikesystems.co.uk
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Old 26th December 2008, 08:32 AM   #3
AndrewT is offline AndrewT  Scotland
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320W into 16r requires an output voltage of 101Vpk into your load.
That will require supply rails >=+-110Vdc.
This will be quite a challenge to build and potentially lethal.
Take care.

An alternative would be to build a bridged amplifier for each speaker. This will requires two amp channels for each speaker and each rated at 160W into 8ohms. Very achievable. Note that the 160W amp can just use 63V capacitors if you use a 40-0,40-0 transformer. Whereas the 320W amp will require >=125V capacitors that will be very bulky and very expensive and very dangerous.
regards Andrew T.
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Old 26th December 2008, 11:21 AM   #4
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east electronics's Avatar
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Default andrew is right

andrew is right as usual .....

elector circuit rings a bell ....but i am not sure about this i have to dig and get back to u
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Old 26th December 2008, 01:46 PM   #5
juma is offline juma  Germany
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Bridging is definitely an easier, cheaper and better solution...
Please don't use private messages for question related to audio projects. It defeats the purpose of the forum.
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Old 26th December 2008, 01:51 PM   #6
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Location: Midland, Michigan
or an autotransformer.
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