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does anyone know what the mod is for adding talkback to my rci 2990? i read somewhere that i can remove D80 to add talkback to the radio. is this true or is there another way...i would like to hook up the talkback to the tone control knob, since the tone control was never functional on these...

just wondering, someone told me that i could cut D80 and it would put talkback in my RCI 2990. has anyone heard of this or is there a better/easier way to put talkback in this radio? also, i took off the orange slip covers that made the meter lights orange...does anyone know where i can get...

i have a two pll (sc2879) fat boy base amplifier hooked up to my base. i want some pretty good power for my mobile, so i was wondering can i put some cables in the amp and run battery power into the amp and just bypass the built in power supply and get the same performance assuming im driving...

i have a magnum s6 175 in my pickup that i would like to put an amplifier behind. i want to go pretty big...say 600-800 watt dead key and around 13-1500+pep. i dont want to deal with puttin a motor maul in my truck, but i already have a 200 amp alternator i put on it. the magnum dead keys at...

i am trying to find an amplifier that will handle my magnum s6-175. it dead keys around 10 watts, and modulates to 200. is there an amplifier that wont kill the bank or have to re-tweak my radio that is around 400 to 600 watts? basically i am looking for an amplifier that will handle 200...

i just had a cobra cam 89 given to me. it is in very good shape and very clean outside and inside. was wondering if anyone knew any modifications or tricks to really wake this radio up from the dead. i have already tweaked the power output on it. it now dead keys at 3.5 watts and swings to...

i just bought this amp about two months ago, and the pills that were in it were 4xsrf2072. are these the "stock" pills that go in the amp when new? what can i put in to replace them? also, when i got the amp, it put out 800 watts. then, without doing anything to the amp, it went down to 300...

anyone know or recommend some antennas for a mobile running 500 watts of power that work well in a co-phased setup? i have another post on here stating the problems with my 102's, so i am looking for alternative antenna options. i like the co-phase look (i.e.: two antennas), and want to run...

ok, im trying to figure out how to lower my swr in my mobile. i put in a brand new piece of 18 ft. coax, and i have mounted two 102" steel whips, one on each side of course, to the front of my pickup bed. i used a piece of 3/8" flat bar to run across the corner of the bed on each side. it...

i just bought this amp about two months ago, and the pills that were in it were 4xsrf2072. are these the "stock" pills that go in the amp when new? what can i put in to replace them? also, when i got the amp, it put out 800 watts. then, without doing anything to the amp, it went down to 300...