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Shure wireless mic UHF-R mod help.
Shure wireless mic UHF-R mod help.
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Old 7th January 2020, 12:33 PM   #1
Tuejo is offline Tuejo
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Default Shure wireless mic UHF-R mod help.

Hi All.


I have this UHF-R from Shure. Itīs the last all analog, latency free wireless they made. Itīs from 2005 and I am thinking that it might bee possible to upgrade et a bit. I would really appriciate your thoughts on this.


The main component is the THAT coorperation 4320 preamp,comp,VCA limiter and the same 4320 in the reciever as expander. I canīt see anything better and I will leave that in.


But - in the reciever there are something like 10 "33178 PELV". That looks like an opamp I could change - or what? And to what? And how do I find the specs for the PELV so I can be sure that the replacement will fit? Because of the 4320 expander it will be bad to tamper with the levels - at least before the expansion.


Thanks from Tue.
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Old 7th January 2020, 06:28 PM   #2
MAAC0 is offline MAAC0  Portugal
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https://www.onsemi.com/pub/Collateral/MC33178-D.PDF
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Old 7th January 2020, 06:32 PM   #3
justanalogue is offline justanalogue  Netherlands
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My advice:

As long as they work properly, don't modify anything, just realize that those are a staple in the entertainment industry, there is a reason why.

Willem.
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Old 7th January 2020, 07:31 PM   #4
JonSnell Electronic is offline JonSnell Electronic  United Kingdom
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It took Shure many years to perfect the radio mic system. With all due respect, I don't think, (obvious from your lack of knowledge), that you could improve on the design and performance.
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