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Motorola RMN5050A

kenneykirk

Member
Premium Subscriber
Joined
Feb 10, 2015
Messages
12
Location
Springfield, IL
I use a RMN5050A desk mic on two Motorola mobile radios. I don't have the proper test equipment to measure frequency response and such. I have a XPR 4550 and XTL 5000 high power. Other operators state that the tone of the mic is too high and the bass frequency response too low. I have disable AGC on the mic and in the CPS. Is this typical for this microphone? Am I missing some adjustments in the CPS. Are there any modifications to improve performance? Is there a better desk mic for Motorola radio with a modular plug?
 

K2NEC

Member
Joined
Oct 23, 2017
Messages
2,863
Location
NA
There's a potentiometer on the back of the unit that allows you to change something (I believe it might be gain). There's also switches inside if you take the bottom of the mic off with screws
 
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