These steps are for the correct tuning, as many people tune incorrectly and then wonder why the signal isn’t powerful enough. Anything over 100% is just trash and splatter. Smokin Joe’s Electronics 442 Built 10,516 views. A LOT My friend.!! Expansion Information: 3. anyone with same problem, Boosting your audio with a power mike is common and desired, however to adjust the modulation inside the radio without and oscilloscope is not advised here is why, http://cbradiousa.net/am-modulation-misunderstood/, You can easily over-modulate by just turing it al lthe way up. Radio:: This package is built around the Cobra 18 WX ST, which is a popular and affordable CB for RVs.The 18 WX ST supports 10 NOAA weather channels for staying up-to-date on local weather conditions. TUNED UP CB RADIOS TO THE MAXIMUM! Tune CB CB + – COBRA +– COBRA. The SAMS manual doesn’t show any AMC circuit, but if I remember correctly the radio does have one. I take a total of 29 parts out of the 29’s that hamper the wattage and the modulation. Look on a Map. I am and I live in Brazil.my email: [email protected] hotmail.comPhone: 55 (99) 98161-1212. The coax cable is the one that connects the CB radio with the antenna, so it is as important as the antenna for the general set up. Install an antenna specifically manufactured for use with CB radios. So here’s a quick video on how to calibrate a CB. Impressive work. No needle meter can see true audio in a measurement. …, Place your antenna as high as possible, in a place where radio signals can hit it from 360 degrees. +HugoRadioRepairs +jmlmoo1 #456 I see your trying to be helpful and often radio engineers seem quite expensive and tweaking radios is the cheapest way to get extra performance however what Hugo is pointing out is that the tuning coils in the final RF stage are there for a reason. http://www.cbradiomagazine.com.DISCLAIMER While adjusting modulation above 100% can produce louder sounding audio it can also result in distortion and “splatter” to other frequencies. IF U WANT A GOOD SET UP this is the way too go!!!! However most cb types love splatter… so max it out and splash the band. Your email address will not be published. While most CB speakers are mounted on the bottom of the unit's chassis, the 18 WX ST features a front-mounted speaker for ultimate clarity. If you want to properly tune and peek your radio and you have no idea what you are doing. Best For Off-road- Uniden CMX760 Bearcat. You can’t adjust the final choke with a metal screwdriver it will throw it off and when you remove the screw driver the setting will change.  Also you should be checking the output and harmonics with a scope, etc…  Don’t just go in there and hack around without the proper tools and knowledge.  DOT may come knocking if you start interfering with other peoples electronics.  The slight increase in power won’t make a hoot of difference.  You need to double your power output just to get 1/2 an S unit increase on the receiving end so it’s pointless. This area is like the Mother Load I just gave the Map away to all for free.!! If you need to then mark the pot before you adjust it or take a pic with your camera so you know where you started at. Turning the “Squelch” control counterclockwise allows all of the signals in. AM Squelch. Tune carefully through the band with the VFO Tune pot, looking for strong signals. Oh well, leave him in the dark so he isn’t hurting others equipment with his “tutorial”. Adjust the squelch on your radio so that it blocks out static, but is not maxed out. If you're nostalgic, turn to the "classic" CB look of the Cobra® 29 LTD.. For a good source for DIN (in dash) radio mounting hardware, check out our mounts and brackets page. What is a good SWR reading ? Just want in. It all depends on the radio thats why you use a meter if it doesnt change one way turn it the other way. I assume you’re modifying an amplitude modulated radio and not a single side band. if you know you should use a non conductive tool, TURN THE RADIO OFF AND UNPLUG IT! That’s what I have been doing for over 35 years now—I use a BIRD Meter (the MOST Accurate) that I have over $500 into and a Modulation meter to get your CB to do ALL it can do (peak and tune CB’s to the Max). Video taken from the channel: Northern Wisconsin Communications, Description of how to convert your cobra 29 radio to Mosfet final. 29 LTD. No difference in sound at all. 4.Turn mic gain (dynomic) to max,say 1-2-3 in your regular voice dont scream!! This unit features advanced Phase Lock Loop (PLL) circuitry providing complete coverage of all 40 CB channels. He is maybe the one who set up the radio down the street that sounds like crap. AM Freq. The alignment process works with any type of antenna, but the simplest Adam Martin, what you suggest clipping, does exactly the same as turning the VRs wide open. 1000 watts is what most truckers use….. What do you recommend? I bought  on ebay a Cobra 29 LX CHR LE LCD CB Radio I didnt read the instructions on it before I bought it and it said………. Connect the end of your antenna coax to the SWR meter where it indicates "antenna" or "ANT". You select any radio station that you want by turning a tuning dial. This does distort the radio sound a little, but not enough to notice. Add a 50 to 100 ohm resistor and a 550 microfarad capacitor in place of the jumper near that pot for max swing. MOD Meter. Also when asking for a report, don’t just get someone to go outside to their car or someone across the road, ask someone that is a bit more distant (a few miles, or just above the background noise on your own set) as they will notice if you are over modulated and distorted. Joe ’ s electric system is working properly 8-track player CB types love splatter… so max it out my. Other adjustments in great shape comes with power cord once i get close to CAL it slams... Have already peaked him up and down from what channel you ’ re modifying an amplitude modulated and... Then sold it on ebay sound two times better than turning up your.! You check CB tricks or some other sites that it blocks out static but. 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