[sdiy] "Standard" signal levels and maximum voltages? How much headroom is expected?

[Neil Johnson]

Michael E Caloroso wrote:
> Anyone who studies schematics of pro audio gear will find that they
> operate on +/-18 volt rails for a reason.  The top of the line studio
> desks - Neve, API, SSL, Trident, et al - run on higher rails.

Yes, although not always for headroom reasons.
Going from 15V rails to 18V rails only gives an extra 1.6dB
improvement in headroom at the cost of higher power dissipation.

Neil
--
http://www.njohnson.co.uk