Sebastian, I'm glad to read that you've had success using all eight inputs at once because I have yet to run my F8 that way. I have a couple of questions, if you don't mind.
- Earlier today, I read in another section where someone mentioned the possibility of problems using all of the inputs if you're supplying 9V through the hirose connector. That's the first I'd heard of that. Do you have any experience or feedback on this, or have you heard the same thing?
- You mention above running 8 mics. Were all the mics being supplied 48v phantom power from the F8?
No, the maximum I've run is 4 mics (@ P48) at once plus two line inputs. I powered those using
this battery pack (ten 1.2V NiMH rechargeables). This works like a charm.
I currently have 5 phantom-powered mics at my disposal (2x Schoeps MK4 w/ Naiant PFAs, 1x Schoeps CCM8, 2x MBHO 603a/KA200N) and I can conduct a test using those if it is of any help (but I doubt it, see below). I'd just need to see how I can get a 9V battery.
The main problem with 9V batteries is probably that they fall below those 9V quickly when being discharged (as most batteries do). Therefore, you might want to use a battery with a flat discharge curve (e.g. Lithiums) when running 9V. For example, with my 12V NiMH battery pack I have set a cutoff voltage of 9V. That means the 12V pack will go all the way down to 9V. Now imagine a 9V battery that has a similar discharge curve. It'll go down way below 9V - and therefore out of spec for the F8.