Hi G'bo,
I use a MOTU Ultralite AVB. RTL times will always depend on the driver, and the "safety buffers" that they build in. This latest (well, and the one before) built in a little extra "safety" (that you can't change) - so that's what you're seeing.
This is set for 64 samples (buffer) and 48 for "host safety offset". This safety buffer goes right down to 16, and then the actual buffers can go down to 32 (with various safeties) and even 16 (!)
When I get to the point of recording some guitar parts - I'll try pushing it, with a lot of (copies of) audio tracks - and see how low we can go ;-)
I can play at this setting in SONAR, but only when there's not much going on - then I have to raise it to 128/48 (10.2ms RTL). I've never been sure if this is completely down to SONAR, the driver, or the PDC in th eplugins that I use. It will be interesting to see how similar projects play in Reaper - and I'll be sure to report back.
I would also suggest leaving the settings stock for your audio hardware at least for now. If you start making tweaks to things dealing with the audio engine, you might introduce issues that will have you chasing ghosts, rather than testing out recording, editing, and playing back.
Oh no - I'm not touching anything like that! ;-)
I just meant the settings for paths and filenames and behaviour of the MIDI editor and media imports, snap settings yada yada.
I *will* get in to this. I actually like tweaking and setting up something new - for a while - but then I like to just "set and forget" and get to playing ;-)
I'm just going to work on this a little at a time, while working on a couple of things in SONAR.
Then when I'm ready - I'll try a full project in Reaper.
Then if I'm happy - I'll park SONAR ;-)
That's the plan anyway...