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 · Magnum 257 Mic Wiring Diagram CB radio microphone wiring guide To view microphone wiring configuration click on your chosen cb radio Notice the black mic plug has the numbers it is solder by numbers Used rosin core silver solder radio shack sells it Mic Wiring Stock 1Shield Magnum Documentation Project CBTricksFREQUENCY MODIFICATION Step #1 Make sure Magnum 257 is turned off and disconnected from power source!Captian_radio 5 1 1006 957 pm President Jackson Talk back Kid_vicious 8 1 1006 13 am Talkback on Mag 257/357DX Navyrebel7003 3 1 1245 pm Power Amp Question Kid_vicious 21 1 1046 pm EKL HP conversion?

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Magnum 257 radio

Magnum 257 radio- · I love my 257 but if you really like Magnum series, check out the Magnum Alpha or Delta Force They resemble the Galaxy radios slightly but have a liquid display frequency counter The radios both have RCI digital echo (an option sadly not included in the 257 · Equipment Used mobile 4000hp base 9 radio base magnum257hp mobile magnum 257 standed power Age 64 Subject Re Magnum 257HP Sun Jul 05, 546 pm

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The Magnum CB Radio Family If you consider yourself , Thimble Display Cases to be a CB radio devotee, then you probably have heard about the latest addition to the Magnum CB Radio family consider, RC Fighting Robots the 10 Meter Magnum 257 radio Upon viewing the Magnum 257 for the first time, its miniature size and compressed design checkout, Collectible Model MilitaryThis is the newest version of the Magnum 257HP with the builtin RFX75 power section you'll get a lot of power in a small, compact radio As is the tradition with Magnum radios, the 257 has gone through many manufacturing updates, this is the latest model with the bugs from previous versions finally fixed and fleshed out Ideal for sideband operation in the 10 meter band and offering aThe Magnum 257 is a twin final radio and easily puts out 35 watts PEP on sideband The output of this radio will fry most if not all transistorized CB amplifiers The minimum amplifier to use with this radio is one with 4 transistors like a Texas Star TS500 or something with valves rated for 5060w input Do not use an amplifier with a

 · The Magnum 257 HP is basically the same radio as the previous blue version but with the RFX 75 added It has a great receiver on it but like the original it definitely picks up more noise in a mobile install than many other radios If you live or drive in a noisy electrical enviornment I would say look for something with better ANL/NB abilitiesMagnum 257HP is the High Power version of former Magnum 257 FEATURES, FUNCTIONS AND SPECIFICATIONS In original mode · Microprocessor Controlled Transceiver · to MHz Frequency Range · Max 80 Watts RF Output Power · Uses RFX75 Module as final stage! · Call Sign 163dt307 Re Magnum 257 Internal Pictures required Post by dt307 » Dec 16, 1735 if its quiet in work i will whip it out of the car and do it later you can get the pics of the pcb and full schems on line from the midland alan site if i recall 163dt307chris

· Using ERF30 and ERF7530 as final · Variable Power In All ModesOne of the smallest full feature 10 meter radios made!!It is the same as the previous 30w 257 Magnum radio model Just more power **Compact size!!

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Also See for Magnum 257 Magnum 257 Operating Manual 12 pages Related Manuals for Magnum 257 Transceiver Magnum S3 Owner's Manual Am/fm/pm/ssb/pa transceiver (8 pages)The Magnum 257 and 257DX were a digital style 10 meter mobile radio transceiver that was popular among both hams and CB operators alike Read All Reviews Below · Microprocessor Controlled Transceiver · to MHz Frequency Range · 30 Watts RF Output Power · Variable Power In All Modes · FM / USB / LSB / AM · In my search for a good fairly high powered and affordable single band rig for ten meters, I can only find the Magnum 257, and the MFJ Adventure radio I am very interested in the Magnum What is the general conscious on this radio If you say it is bad, then by all means show me something that is better

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 · NOTICE Please restrain your antiCB agenda in this thread I am asking for a honest assetment of this radio _____ In my search for a good fairly high powered and affordable single band rig for ten meters, I can only find the Magnum 257, and the MFJ Adventure radio I am very interested in the Magnum What is the general conscious on this radioPresident Export Radio on Amazon https//amznto/2F9EgNiAnyTone Export Radio on Amazon https//amznto/2Fa64http//wwwcbradiomagazinecom A short introd · MAGNUM 257HP New Model Mods MAGNUM 257HP AM/FM/SSB 10 METER MOBILE AMATEUR TRANSCEIVER FREQUENCY MODIFICATION / EXPANSION Step #1 Make sure Magnun 257HP is turned off and disconnected from power sourcel Step #2 Remove Speaker Side Cover & disconnect the Black & White Speaker Wire from the Rear of the Main PCB Board Step #3

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Magnum 257 for Richard in Elgin TX AUG11httpwwwBellsComTo buy a radio like thishttp//wwwbellscbcom/products/tenmeter/Magnum/Magnum_257HPhtmOne of the smallest full feature 10 meter radios made!!The Magnum 257 comes standard with dual finals giving it output power in the range of 15 Watts AM and 2535 Watts on SSB depending on how the radio is tuned The radio I owned and tested was the older yellow display model which is no longer sold The new models have the blue display Although this is a 10 meter radio it can be modified for

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Magnum 257 Magnum 257HP Magnum 357DX 150W Magnum 457DX 250W Radioshack HTX10 Storm Tornado SSB Titan Roadpro RPSY485 Yeticomnz Optima Yeticomnz Optima MKII Yeticomnz Optima MKIII Dimensions (W) 15,2cm X (H) 5,2cm X (D) 22,8cm Up & Down Mike 1 Audio 2 RX 3 TX 4 Up & Down 5 Ground 6 12V wwwcbradionl does not sell radios orHook up radio to power and turn on for a minimum of 10 seconds Turn off radio and disconnect from all power sources Remove Bottom cabinet cover Remove (unsolder) Diode D2 This is theMagnum 257 HP Mobile CB Transceiver Specs Manuals (0) Reviews (0) Prices (0) Compare Add a review Add to my shack Login or Register to upload images Find Magnum 257 HP rigs and spare parts on eBay We receive a small fee when you buy through this link, thank you!

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