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Magnum 357 cb radio

Magnum 357 cb radio

Contact CB World! We want to assure our valuable customers that we are doing our part to limit the spread of this disease by following guidelines regarding handwashing, regularly cleaning and disinfecting our facility and equipment, and asking employees to stay home if they are feeling sick or having symptoms. Our business is open and we are shipping orders. We hope this information helps! From all of us here, we wish you the very best.

Look no further, you've found the Factory Microphone for the Magnum high end 10 meter radio. Fits the RF Limited Magnum and radios. The 6 pin microphone affords direct plug in compatibility with your RF Limited two-way radio. The coiled 6 foot cord is just the right length for most radio uses. With volume up and down controls on the front for the mic, you have sound control right at your fingertips. A Factory replacement microphone won't leave you guessing if it's going to work.

You know when you open the package you'll be on the air in no time! About Us. Store Links. Customer Service. Get advice, hear about specials, and much more when you follow us on social media! Do you have questions? My Account. Orders Comparison list Return requests Wish list Track my order s. Track my order s.

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Magnum1 10 & 12 Meter Radio

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Write a review. Availability: Out-of-stock. Notify me when this product is back in stock. Description Features Reviews.Welcome visitor you can login or create an account. Radios Radios. Marine Radios. Radio Accessories. Base Microphones. Mobile Microphones. Microphone Accessories. CB Antennas. Ham Antennas. Scanner Antennas. TV Antenna.

magnum 357 cb radio

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Coax Seal. CW Units. Books - Manuals - Videos. CD's and Tapes. Uniden ProXL. Bee Hive 3 Way Mirror Mount. Brand: Magnum Product Code: P Description Reviews 2. If your looking to build a station with full coverage of the 10, 11, and 12 meter bands, this one is it. Rock solid frequency stability. Audio reports from this radio out perform my last radio, a Ranger F And if you boost your signal with a good quality RF amp and don't over drive, you'll have one of the better sounding radios on the band.

The radio is loaded with features that may take some time to learn, but really make digging those week signals out of back ground noise a little easier.

magnum 357 cb radio

I use mine with a Wilson antenna and that really gives me some band width to play with. SWR's stay low from This is an excellent radio!The best way to start this review is to give a little background on the radio and the part my customers played in the development of the Magnum DX of today. It also required the call button be pressed as the radio power was turned on to access the extra frequencies.

These radios were developed with the same idea in mind, a small radio deck with a separate RF deck that mounts in a remote location up to 9 feet away. This setup delivers over Watts PEP without the space required by other high- powered radios in the to Watt category.

Being fully integrated, there is no RF sniffing circuit that keys the amplifier once power is present at the input. Instead, the unit is hard wired to the push-to-talk circuit. This eliminates a choppy RF signal on sideband as well the delay before receiver signal is present once the transmission is ended.

Additionally, the ALC automatic level control is sensed from the amplifier output.

RF Limited

This is the best way to control the output and prevent over-driving the amplifier stage. The original DX has an 8-pin microphone connector at the RF deck end of the cable. The new DX has a computer grade D-connector with three shielded coaxial connections at each end of the cable.

It was interesting to be involved in beta testing these radios for Magnum. The customer feedback is what molded the final product. Both decks are supplied with mounting brackets. The microphone is an electret condenser type with a wide frequency range and with more output than needed to drive this radio. Inside the microphone is a modulation potentiometer, which can be adjusted for your particular needs. If your vehicle has a high cabin noise level, the gain can be lowered.

If the noise level is low and you prefer talking away from the mic, a higher level can be set. Normally, they will change channels in 10KHz steps, but also work in the step command changing the flashing digit on the display. The CPU changes functions under different conversions.

The radios can be converted in many ways for worldwide markets and the CPU can be used in many radios. One conversion is the CB only conversion. This is a 40 Channel only conversion used on their CB radios.

magnum 357 cb radio

The next conversion is the full coverage conversion with limited Meter functions. The up side is that the radio turns on to the last frequency used. The third conversion is the most common conversion. This conversion maintains the Meter functions as they are out of the box. However, each time the radio is turned on, the radio powers on in Meters regardless of the last frequency used. Once memory channels are programmed in the Meter band, the process is easier.

Turn on the radio, load the Meter channel, and go from there. The following table list control locations, functions, and instructions for the Magnum DX. They are also applicable to the Magnum Magnum DX Control Locations. Microphone Jack 2. Microphone Gain Control 3.Sign in.

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Magnum is back with another new radio and this time around the theme is "you can't have too much of a good thing". They've taken the Magnum S3 which has been a popular export radio for a number of years and beefed it up with a brand new amplifier section added on to the bottom of the radio.

This new radio is a Magnum S-3 with a higher output power so while the "name" is new, the radio, performance, and features remain the same. Now with a radio like the S-3 that's a good thing because the original radio was a winner and has proven itself as a very popular radio with drivers all across the country.

It has some of the cleanest, loudest AM audio you'll find these days and adding more kick can only increase its appeal.

RF Limited

Most of these features are fairly familiar to CBer's out there but let me touch upon a couple of the features that really make the Magnum "S" series special. It can make a variety of effects possible and it allows you to add a distinct sound to your audio. The variable talkback on the Magnum radios has always impressed me and it really is completely variable so you can have it loud or soft.

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These systems match up well with the echo boards to allow you to customize your sound. You may not want to be pushing watts of power if you're only two miles away from your buddy on his CB so being able to adjust your power level wherever you like is important. On radios where people try to max out the AMC maybe the modulators can cause distortion but on the test model we ran with only a mild tune the audio was clear and loud. We could swing from a 1 watt deadkey up into the 's of watts without any issues whatsoever.

The amplifier section has large power wires feeding it from the inside of the radio and has multiple wires connecting to the circuit board. If you do ever open the radio up to make adjustment be very careful when removing the bottom cover. The radio does have 4 x ERF transistors that mounted inside the radio and are the drivers for the amplifier section of the S3 When you have a high powered radio putting out lots of watts you're going to have transistors creating heat and that heat needs to be dissipated either through the use of fans or by using a heatsink.

For this model Magnum has chosen to use a heatsink and they one they use has to be the most heavy duty heatsink you'll find on an export radio. In testing we found it did a capable job of removing heat from the radio and while during heavy use it could get warm, it didn't get as warm as smaller heatsinks on other high power radios we've tested in the past. In fact I found it actually ran cooler than the heatsink on the RFX systems that we've tested.

One other thing about the heatsink is that it is pretty trick Magnum had their name cut into the bottom which definitely adds to the visual appeal of the radio. The radio will pull some serious amperage to provide those transistors with enough juice so they can convert it into big wattage.

magnum 357 cb radio

You'll find the amperage pull on high around 40 amps. When you have that kind of amperage pull you need to have large power wires to allow the free flow of power and to handle the current safely. You'll need to make sure during your install to at least match the power wire size but I'd definitely recommend 8 gauge or larger wire for install. The fuse that is included with the power wires is a 50 amp fuse.

One of the nice things about this model and the power wires is that it comes with one of the best quick disconnect systems you can buy. The Anderson powerpole quick disconnects are great and I've used them on many of my amp setups in the past. Nice to see a manufacturer using a proven product on their radio rather than trying to add on a cheaper version or make their own.

The Magnum S-3 has a heatsink on the back of the radio - one might ask why? You'll remember those ERF transistors we showed earlier mounted along the back case of the radio You'll find your PA and EXT speaker jacks at the back of the radio as well as a connector for a frequency counter.

If you do decide to run this radio on the upper or lower freeband frequencies there is some DX on AM on the lower frequencies this jack allows you to add an external 6 digit frequency counter.Before you begin reading this article I will give a little disclaimer: I did use some of the paragraphs from the Omegaforce and Deltaforce articles in this review since these three radios do share some of the same features.

Rather than wasting time re-writing the same info to sound different, I thought I'd focus on writing about what sets this radio apart from the others. T he new Magnum HP.

When I received the radio I did the expanded frequency conversion which was a little difficult on the older modelsadded the NPC modification, and turned up the microphone gain via the small potentiometer located inside the microphone. The original Magnum The original Magnum was a dual final radio with final transistors and was capable of around watts PEP.

The display was amber in color and the radio was very popular for SSB but many people faulted its AM performance as not being loud enough. The NPC mod for the was introduced shortly after, which allowed the radios to have much louder AM audio, especially if you also made the adjustment to the VR pot inside the stock microphone. Magnum made changes to the radio in and it then came with dual ERF transistors and was capable of roughly 40 watts PEP it was advertised as 50 watts PEP.

The new radio then came with a blue display and Magnum also started including Top Gun technology on the radios by adding the Top Gun Compressor. The compressor helped maintain consistent audio peaks and provided the Magnum with very consistent audio with even more punch than previous versions. The latest version of the Magnum the HP takes the current version to the next level with the addition of the new RFX 75 final system from RF Limited, giving the radio output in the watt range.

When you see the new Magnum HP box you'll notice they are still shipping them in the old style original Magnum boxes showing the radio with the yellow display I think Magnum must have a ton of the old boxes around since it's been five years since the changeover to blue.

The features shown on the box are all correct though and point out all the advanced functions of this radio. Make note that the PEP output is incorrect shows 30 watts on the box and if you are buying the radio and want to make sure you are getting the new HP version look for the sticker in the upper right hand corner that says HP.

When you open the box you'll be greeted by the smallest SSB export radio on the market. Even after owning my original yellow model and the later blue face models I'm always impressed by just how compact this radio really is. When talking about the size of this radio you'll hear everyone say how compact it is, but I think a picture really is necessary to give people a better idea of the size of this radio.

Keep in mind the two CB radios shown are single final radios that only will do around 20 watts max and don't have near the number of features available on the Magnum The following knob controls can be found on the Magnum as specified in the owners manual. Many of these functions may change or will be disabled in expanded frequency mode. Turn clockwise to increase and counterclockwise to decrease. This affects the distance at which a signal can be detected.

Turning the control counterclockwise reduces the receiver sensitivity. This is particularly useful in areas where large volumes of traffic signals are present. The gain increases as the control is rotated clockwise. Next, rotate the control counterclockwise until the last segment of the display starts to flicker. SQ : Squelch. Also used to activate SCAN feature. To properly adjust squelch circuit, start rotating the control slowly clockwise until the received white noise disappears.

Rotate clockwise to increase RF output power. Rotate counterclockwise to decrease RF output power.Contact CB World! We want to assure our valuable customers that we are doing our part to limit the spread of this disease by following guidelines regarding handwashing, regularly cleaning and disinfecting our facility and equipment, and asking employees to stay home if they are feeling sick or having symptoms. Our business is open and we are shipping orders.

We hope this information helps! From all of us here, we wish you the very best. They have a history of producing products that are unique and innovative. Many of which are considered to be the best available. Their echo and power mics are considered by many to be the best available on the market.

Their echo and talkback aftermarket CB boards are popular as well. Under the Motocomm brand they offer wired two way radio headsets for motorcycles and ATV's.

These modular headsets are time-tested for quality and durability. They come wired for open faced and closed faced helmets and are compatible with many popular two way radios. Magnum produces of the most popular high end 10 meter radios available. They are often regarded as the best 10 meter radios available.

The latest releases, the Raptor radios, have been a huge success in the 10 meter world. As they are easily converted for CB use, we imagine they have been popular with CBers as well. Of course, CB World does not advocate or recommend this practice.

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Magnum S9 10 Meter Radio w/ Single Side Band

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Radio Parts.The Magnum Raptor is built rugged to withstand years of use in harsh mobile environments. Although engineered with mobile use in mind the Magnum Raptor, with the addition of a high quality 20 amp regulated power supply, may be easily adapted to fixed station operation. The low power setting is for close proximity radio contacts or when running an external amplifier. For low power, simply place both controls to the down or LOW position. Sensitivity AM CAT Enterprises.

The item most overlooked when ordering a custom radio is the microphone. Tech Library. CB Repair. Optional Accessories. Tune-up and free frequency conversion. Turner RK Noise Canceling microphone. Astatic L Noise Canceling microphone. Astatic DM6b Amplified microphone. Install a Noise toy wired inside the radio with a switch or pushbutton to trigger any 18 second sound byte you want.

Install a Noise toy as a background theme music wired inside the radio with a switch to play any background music at very low volume so you can talk over it. Add a Small External Speaker plugs into back of the radio for improved sound.

Add a Large External Speaker plugs into back of the radio for improved sound. More than 40 dB below peak output power.

Dual-Conversion Super-Heterodyne. Better than 80 dB for all frequencies.