Scenario: Boom operator a long way from the camera and the boom operator really needs to hear how well he's doing with mic placement. You could somehow with a long cable give him a feed back from the camera but two problems, one it's an extra cable to cause grief and secondly most cameras don't have enough output on the headphone socket for most headphones to provide useful monitoring and third, the guy riding gain on the camera needs a split as well.
Cheap and simple fix: Rolls PM50sOB!
This little box will fit on the boom operators belt and bridge the mic line. Its amplifier will give the operator enough level to blow an eardrum or two if set to 11 and nothing he does is going to affect the signal going to the camera. Very sensibly built, has both 1/4" and 1/8" headphone jacks PLUS you can feed a line signal into it as well so the user can create their own mix for monitoring, runs for ages off a 9V battery. Cost, around USD50.
Can be used for many other purposes as well, for my money a cheap bit of kit thats worth having in the toolbox.
Bob.
Cheap and simple fix: Rolls PM50sOB!
This little box will fit on the boom operators belt and bridge the mic line. Its amplifier will give the operator enough level to blow an eardrum or two if set to 11 and nothing he does is going to affect the signal going to the camera. Very sensibly built, has both 1/4" and 1/8" headphone jacks PLUS you can feed a line signal into it as well so the user can create their own mix for monitoring, runs for ages off a 9V battery. Cost, around USD50.
Can be used for many other purposes as well, for my money a cheap bit of kit thats worth having in the toolbox.
Bob.