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Old 26th January 2010, 09:04 AM   #1
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Default Ne 5532 15+15 or 18+18

i am working with some 5532 applications
some claim that supply of 18+18 volts will provide more headroom or so
any ideas for example in a RIAA application what is wise to use ????

opinions please

thank you very mych sakis
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Old 26th January 2010, 10:44 AM   #2
AndrewT is offline AndrewT  Scotland
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or 20+20V or 20.9+20.9V?
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Old 26th January 2010, 11:10 AM   #3
Mooly is offline Mooly  United Kingdom
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You have to ask yourself what in reality is going to cause an RIAA preamp to run out of headroom... answer, some vinyl defect/scratch etc... so if it clips on 15 volt rails there's a good chance it would on 18 or 22 as well.
If you stick to 18 volts you at least can use different devices, use 22, the max and you are more limited.
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Old 26th January 2010, 12:43 PM   #4
Ola is offline Ola
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Opamps tend to sound different at different supply voltages and it has nothing to do with headroom. Last years though it's been more a "objectivist" talk here: datasheets, modelling in software etc.
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