Hi Dan, yes i have dived megs since 2001 and owned a few different models. I actually switched from the meg to the JJ back in 2007, wasn't really looking for a new rebreather just liked the look of the JJ when it came out. I was attracted by the Dave T lungs as i had to modify back lungs a lot to get a set that worked on the meg, the JJ was simple but solid, i would say I have always been more comfortable diving a unit with two headsets and my meg had that the JJ even know only comes with one and the HUD and i had to adapt a bunch of my procedures in many ways simplifying them. If I had to choose between the meg and the JJ then i would go with the JJ for simplicity and diveability out the box and i think cost the JJ seems to be better priced this side of the pond
The Mics at the low end of this range will need more addition and, therefore, are more dependent on mic preamps to get raised to line level for use with proficient sound equipment. Inactive mouthpiece awareness appraisals are best when the inactive mouthpiece voltage ranges from 0.5 mV/Dad to 6 mV/Dad. The microphone level is usually specified between -60 and -40 dBu. (dBu and dBV are decibel measurements relative to a voltage.) Several different types of devices are used to boost microphone levels to line–level signals. Get more information mic testing 123
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