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Author Topic: Intermod  (Read 2274 times)

Thomas Lamb

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Intermod
« on: April 07, 2014, 10:25:46 pm »

Quick question
Can sennheiser G band and B ban cause issues with each other?
Are the groups and Chanel's from band to band setup to alleviate this issue? Ie group1 ch1-16 won't cause issues so long as your using group 1 on both B and G but if you use group 1 on b and group 5 on g it's bad blood?
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bigTlamb

"If you suck on a functional analog desk, you'll really suck on a complex digital desk...." Dick Rees

Mac Kerr

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Re: Intermod
« Reply #1 on: April 07, 2014, 10:39:10 pm »

Quick question
Can sennheiser G band and B ban cause issues with each other?
Are the groups and Chanel's from band to band setup to alleviate this issue? Ie group1 ch1-16 won't cause issues so long as your using group 1 on both B and G but if you use group 1 on b and group 5 on g it's bad blood?

The channel groups provided by the wireless mic manufacturers can be used to minimize having intermod frequencies fall on or near any of your mic frequencies, but they are only for that band split. Group 1 of B does not necessarily work with group 1 of G. To use frequencies across band splits you need to use intermodulation calculation software like Shure's Wireless Workbench 6, Sennheiser's SIFM, or Professional Wireless System's IAS.

Mac
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Thomas Lamb

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Re: Intermod
« Reply #2 on: April 07, 2014, 11:01:01 pm »

The channel groups provided by the wireless mic manufacturers can be used to minimize having intermod frequencies fall on or near any of your mic frequencies, but they are only for that band split. Group 1 of B does not necessarily work with group 1 of G. To use frequencies across band splits you need to use intermodulation calculation software like Shure's Wireless Workbench 6, Sennheiser's SIFM, or Professional Wireless System's IAS.

Mac

That's what I thought. Thanks! Mac
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bigTlamb

"If you suck on a functional analog desk, you'll really suck on a complex digital desk...." Dick Rees

Scott Helmke

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Re: Intermod
« Reply #3 on: April 08, 2014, 10:07:06 am »

Wireless Workbench 6 is a free download.  There's really no excuse for not using it.
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ProSoundWeb Community

Re: Intermod
« Reply #3 on: April 08, 2014, 10:07:06 am »


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