Question about RoadPro RPSWR-3C Swr Meter - 10w-100w - Set & Field Strength

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Roadpro rpswr I keyed the mike with the gauge set to 10 watts. My radio was more than 10 wats. I now seem to be getting low readings

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What was the radio that you keyed?

Posted on Jun 10, 2013

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Rpswr 3 c


most meters have 10w capable diodes.. also have seen a few were the switches will not make a good connection. can you give more details on power you was using or anything else?

Apr 28, 2013 | RoadPro RPSWR-3C Swr Meter - 10w-100w -...

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Need to know where to set low power set up for amp thanks


There is no specific dead key setting for an ampifier. Each amplifier requires different dead key to operate at it peak effeciency AND to sound the best it can. If I knew what type of amp it was I could give you a better idea. Just for a reference point I will give you these numbers. For your basic amplifier ( 2 pill - 4 pill non high-drive) you could safely set the carrier at 1 - 3 watts. This is why the majic number for most people is a 2 watt dead key. For a High-Drive amplifier you really have a broad range of settings for deadkey. Generally anywhere between 2 - 8 watts. Some can even handle 10 watts. This DOES NOT mean that they need a HIGH dead key to operate properly. Just FYI, what you run into with improper dead key is either a really choppy, splattery, overmodulated sound with a deadkey that is to low, OR, a really pinched up, tight sound with a dead key that is to high. Also, a HIGH dead key can cause an amplifier to over heat, causing the transistors (pills) to fail prematurely.
To set your dead key "properly" you really should have a technician "match up" the radio with the amplifier. This means, he will hook up the radio and amp that you plan to use with one another in line and tune (set dead key) the radio to "match" the amp. This will give you the optimal audio and performance without overdriving the amp.
Hope this helped. Lost Jeep, Athens GA, 10-7 !!

Feb 17, 2011 | Connex 3300 240-Channels Base CB Radio

1 Answer

My 99 dose not rech out very far i need to tune it up how do you pick and tune it do you have a diagram to show how to tune it


Take off the cover, and hook it back up to antenna, and power, set it on AM mode, mike gain at minimum, RF power to HI, connect watt-meter to ant. out-put, adjust VR13, key the mike adjust it for 8-10 watts, do not go any higher than that because you will damage the transistors...Then replace cover and enjoy....hope this helps.....

May 20, 2010 | Galaxy Radios DX-99V 40-Channels Base CB...

1 Answer

Trying to find out what gauge of wire i need for a 1500 watt roadpro inverter to wire to batteries of a semi


At 12 volts DC it will pull 125 amps at full load of 1500 Watts.This requires at least #2 copper AWG

Jul 15, 2009 | RoadPro Electronics - Others

3 Answers

Wat power does this radio push


Generally All CB Radios will only push 4 watts. This is only if you have a SWR of 1:1

Jul 11, 2009 | Magnum S9 Base CB Radio

1 Answer

I just bought a RoadPro 2500 and i want to buy like a dorm fridge how many watts or volts size would work??


If you are referring to the RoadPro RPPI-250
  • 2000 Watts Continuous Power
  • 2500 Watts Power Output @ 10 Minutes
  • 5000 Watts Peak Power Output.
  • A small fridge will use about 500 -700 watts, with startup wattage at around 2000watts.
  • So, a dorm fridge will work fine.
  • the RoadPro converts DC to AC voltage, so a regular 120 volt dorm fridge will work.
  • Jul 05, 2009 | RoadPro RPPI-2500W Inverter

    1 Answer

    Tunring up a cobra 150 gtl/dx


    Um... What?? This is hooked to a switch? CB radio by FCC regulations is only supposed to have a max of 4 watts total output. If you can flip it to 7 watts dead key, you are doing really good. It won't do much more then that. It sounds like its set up to run on a linear amplifier, which cannot have more then 3 watts dead key transmitting into it.

    Dead key, and modulation are different. You may have a meter that only reads dead key, and won't see the modulation. This radio is probably swinging close to 15-20 watts. you need a meter that can read PEP, Peak envelope power. Cheap meters only read AVG, or average power, witch will only show your dead key.

    7 watts dead key is really good for that radio.especially since stock only has 4 watts. you cannot get any higher then that without changing finals.

    at 3 watt dead key, or 7 watt dead key, your modulation wattage is still swinging much higher.

    Also, you will get more swing with a lower dead key any way, which is better if you want it to be loud.

    Leave it alone. its probably set just right.

    May 12, 2009 | Cobra 150 GTL DX Base CB Radio

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