jim Gregory wrote:

So, what we deduce from that is, in the case of a Nordic PPM, its TEST mark
lies between -6 and +6 marks and is therefore 0dBu. What's so new? Assuming
curve law in driver amp is correctly set up, who needs to know what source
or passage is regularly achieving only about -33dB below line-up?
Do you have a pic of that maverick scale?

Here are some comparisons.

http://www.tonmeister.ca/main/textbook/node757.html

Graham