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lc

 

when i install a echo(and ive installed dozens apon dozen over the years)i always solder the power ground to a tuning can.this is the norm.

now as for the audio ground leads they both get soldered to the ground pin at the mic connector.

 

are you sure you arent confusing the 2?the instructions should clearly say to solder the audio lead grounds to the mic pin.not the power ground.

 

anyway...i always crank the onboard amp all the way up .now thats just me but i crank them all up.you do want blazing modulation right?

 

if its too loud with a power mic afterwards just run a skythumper or rk56 or something .

 

i turn em all the way up,i do work for guys at a trucking outfit and they usually run a rk56 or 636 so they need that boost.i run all my personal boards wide open too and i still run a power mic .

i just barely need to crack open the mic on the first setting but i can always run one .

 

you will get good blazing modulation with it all the way up .i have never had a complaint from anyone doing this .more like flowers all the time .

 

good luck.