Hello All,
I've got an Shure SLX wireless mic package with sixteen wireless mics. Each is in a rack of four, with an antenna distribution system hooked up. What I'm interested in doing is running cable from FOH to the stage and adding two antennas on stage. I would plug all four of the racks into another antenna distribution system (so having all 16 receivers ran off the same antennas) and run two antennas to the stage.
A few details:
1,300 seat house
about 70ft wide proscenium, about 30ft high with about 12 ft of pit/apron.
Proscenium to upstage wall about 50ft. Large wings as well
About 75ft from FOH to downstage.
3. If FOH is about 75 ft away, would an inline-amplifier be needed?
4. Would you recommend buying the Shure antenna cable, or is there other cable that is cheaper that will work just as well.
However, do not take the 50 / 75 ohm statement to imply that it won't work. You just need to account for the added losses and make sure the connector is correctly and firmly attached. It's been my experience that most 75 ohm cables are designed for a crimp style connector and I've seen a lot of short cuts taken on the definition of "crimped."
Note, the SLX receiver has a 50 ohm impedance, any 75 ohm cable ie; RG-6, RG-59 would be detrimental to the quality of the system.
edit add: However, do not take the 50 / 75 ohm statement to imply that it won't work. You just need to account for the added losses and make sure the connector is correctly and firmly attached. It's been my experience that most 75 ohm cables are designed for a crimp style connector and I've seen a lot of short cuts taken on the definition of "crimped."
May I ask what groups and channels are each of the wireless units? I've experienced much greater and reliable range, with the SLX series, than what you are indicating here. This may be a problem that can be solved by examining the channel plan and making some changes.
Oh, Where is the venue located? City, state?
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