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Old 07-01-2005, 01:32 PM
mieze245 mieze245 is offline
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Join Date: Aug 2003
Location: da dirty south
Posts: 51
Rane power supply mods©

greetings I am wondering if any of you have made custom power supplies for your rane units© I wish to do away with the stock unit and use xlr style with torroid transformer© does any one have suggestions or information on such©
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Old 07-01-2005, 04:55 PM
thermionic thermionic is offline
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Posts: 637

If you want to maximise the forum members' input, I think we're going to need more information, i.e:

Why are you uprating the original supply? Does it have a ripple problem? Are there RFI / EMI issues with the standard supply? Are the audio electronics renowned for poor PSRR (Power Supply Ripple Rejection)?

What kind of supply are you looking to implement? Solid-state regulation? L / C regulation? Discrete regulators? Cascoded regulators?

Do you feel the mixer has trouble driving other devices such as crossovers / amps etc? (This may not be a psu issue, it could be due to op-amp choice).

If the standard mixer uses an E/I transformer, you may well gain a noise-floor advantage to making it outboard.

Does the standard transformer overheat? Does it suffer from mechanical hum?

What voltage are the DC rails? I'm guessing +/- 15v?

Sorry to bombard you with all these questions, but it's best to ascertain the goals to optimise the solution.

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Old 07-03-2005, 10:27 AM
mieze245 mieze245 is offline
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Join Date: Aug 2003
Location: da dirty south
Posts: 51
Justin more questions than i really know.
this is a big can of worms.

check this page out a bit pat the mid way point of the page you will see his transformer.

i like the desighn to say the least

i will check the power rails.

thank you
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