Quote Originally Posted by Clive View Post
Hi Stan, I'm aware that technically they can be done in any order but what I'm wondering is whether, say doing the passive mod on an otherwise unmodified 7520 might for instance show up noise from the standard regs. There are times when too much resolution downstream shows up upstream components. I'm thinking about synergy, rather than whether it technically works.
I would also say that the passive output mod has given me the biggest improvement overall. That's using very cheap caps as well, so the bang for buck value is huge. You could of course use very expensive caps which may work even better but it's not essential. I see what you're saying about the possible issue with upgrading downstream components first. The passive output does allow more detail through as well as improve the dynamics, so you will be letting more noise through if you don't upgrade the regs. However, I think the improvements outway this, especially if you're going to be upgrading the regs later anyway.

Also, the Murata regs don't affect the sound signature as such, they just improve the signal to noise ratio. So seen as the passive output caps can affect the sound signature and can take quite a bit of running in, I'd personally do the passive mod first. That way the caps can be running in while you wait for the regs to arrive.