Here is an expansion on my videos about IAS and WB.
Hi Pete,Thanks for the detailed videos. I think the most interesting thing is the noticeable difference in the equipment profiles between the two pieces of software. The WWB6 profiles seem to be more conservative than the IAS ones. Are these settings something that can be calculated from an equipment's spec sheet?Neil
NO, these are arbitrary settings set by the software designer. Not much to do with eq specs.
Well you could if the specs showed the intermodulation attenuation etc. It is clear that a Sennheiser 5212 transitter in "low intermod" mode will have better specs than a cheap Shure unit, but it is not easy to read from the spec sheet.
Can I ask what device your using for scans, does this pump out a file format compatible with WW6 or do you need to convert it?
Whereas it would be nice to know the IM suppression number, it's really kind of irrelevant: Whereas one device (the transmitter) may not be producing the IM product, another device might be; the preamp in the antenna, the multi-coupler or the receiver front end. The IM software programs are merely pointing out the math of potentially problematic frequencies and in no way negates the need for a "war game" or other walk test.
This is technique is also a reason that I try to stay away from broadband RX antenna amplifiers if possible and use passive higher gain antennas on the front end.
I can't stress enough the validity of this statement. Amplified antennas and other in line preamps cause far more problems than they solve 99% of the time. Their use has limited applications, and not has a band-aid for other inadequate system implementations.
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