AM keys 25 watts. 6) Desolder it from the board and resolder to pin 3 on IC-4. 6) Adjust VR11 for maximum PEP on SSB. The tweak. Cobra 148GTL Features. Those two transistors will drive more power. 01uF caps on. Jumper R175 4. Counter To TP-13 (IC-1 Pin 8) CH-19 ----- Check for 10. Anyway, VR-10 is your AM power output (dead key). The ExportGalaxy kits that we offer on ebay are the ones which work with the 148gtl. The rest of the work is done on the parts side of the board. Cobra 148 GTL POWER TWEAKS 1. Cobra 148 GTL ST Mods 11. Apr 27, 2019 CB Radio Service Manuals. 148GTL-DX Receiver 28. Designed to maximize space in the compact environment of today&x27;s vehicles. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators. works great with linears, and causes no harm to the radio. The radio has some sort of swing kit in it but I don&x27;t know where to look on the board to find it. High Fidelity Receiver Modification for the Cobra 148 and Uniden Grant XL With very little effort, the receiver section can be modified to vastly improve the sound quality. Designed to maximize space in the compact environment of today&39;s vehicles. Press the PTT (Push-to-Talk) switch, and tap the antenna (making it shorter). Locate resistor R264 and lift the right leg of the resistor from the board. Detailed instructions are included. DXers will be using modified CBs. Fast & Free shipping on many items Cobra 2000 Gtl for sale eBay. This radio is modifiable for extra channels the one I had bought covered from 26. You end up with variable power on the SWR CAL knob, but don't loose the. Example papa-mod for a superstar 3900. CobraUniden Super Mod Swing Kit - Picture 1 of 1. Check the deadkey and swing on a meter with pep scale. On converted to electronic relay so the radio can be used in VOX mode As a teenager I use to put on a pair of headphones and do my homework. RECEIVE IMPROVEMENT The stock AM dection diodes are 1N60P Devices, Replace them with ECG-583 Schottky Diodes. ap Back. inside and it&39;s doing full power no clipping needed and no swing mods necessary. With the current DX cycle on the rise, many budget-minded. Drive Smarter App Update. MobileIn-Vehicle Radio. 148GTLF Lift the Emiter leg of TR24 and insert a 1K in series with it, to ground. - 29GTLLTDCLASSIC Just turn up VR-4 for Max modulation, Adjust L17, L20, L21, L16 and L14 for max RF output. Uniden Grant XL. Apr 27, 2022 This modification kit contains all the parts you need to install MOSFETs in place of the original bipolar transistors in your Cobra 148. Variable Dead key (carrier) MODULATOR Swing kit for the Cobra 148 GTL, Cobra 2000 GTL, & Uniden GRANT XL CB Radios. Cobra 148 GTL AM SSB CB radio overview with modications by CBradiomagazine. It is unknown if this modification will work on previous 148 GTL units. Cobra 148 gtl philippines mods Home Forums Menu Rich Text Content richtext Page Comments 54991 Owners Manual DIAGRAMS Schematic (Courtesy of Rick Jackson Euro Radio Co) This schematic has notes & test voltage info. Go To the EPT690010Z Main Board Mods Page. Volt Final and cut R131, Thats all that ever needs to be done to a 148Grant I usually get 20 watts out on AM without the NPC crap The 148Grant swings way better than a cobra 25 or 29. On converted to electronic relay so the radio can be used in VOX mode As a teenager I use to put on a pair of headphones and do my homework. Example papa-mod for a superstar 3900. Dual Conversion AM Receiver. Example papa-mod for a superstar 3900. Sub PCBs Additional info FCC ID BB03K2 148GTL. Click here to see the article list for 148GTL. Click here to see the article list for 148GTL. 11 Replies 993 Views Last post by Black Lightning Thursday, 02 July 2009, 046 AM;. Joined Jul 6, 2014 Then I would guess that it is a swing modcap and resistor. There are other things you can do and although these mods will increase swing, the audio won&39;t change. Jun 21, 1997 SWING KIT 148 GTL. Price 15. Those two transistors will drive more power. A magnifying glass. USA EU (0) 800-964-3138. Uniden Grant XL. 2)Find IC 6 & 7 by the PLL chip. SAMS . Cobra Power Mods Radio Try This 2000 GTL,2010 CUT TR24 Change R126 to a 2. Cobra 148 GTL ST mods. When this mod is used the switch stays in the center (off) position for normal use, to activate the mod just flick the switch either up or down depending on which channel you are on at the time (it will either need to go or - depending on the binary code produced at the time), here are what I believe they should be for the A channels. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators. CobraUniden Super Mod Swing Kit - Picture 1 of 1. Be prepared and able to communicate in case of emergency with the largest selection at eBay. Connex 4800. AM power is VR10. 2 monolithic, this will widen up the audio on AM. Modification 1 only replaces the final. modulation mod for cobra 148 gtl 13. Remove C35 and C16. Dynascan Cobra 138XLR Two Way Radio Owner s manual PDF. By continuing to shorten the antenna you will notice the SWR reading will reach a low point and then start rising again. Change R124 (10k) to a 4. Designed to maximize space in the compact environment of today&39;s vehicles. 3 swing 12 watts peak on a 148 is just as loud as my General Lee and it swings 30 . Cobra 148 GTL-DX "Fake" SPECIFICATIONS. Open Clarifier 1)Find D75 and R135 and cut one end of them. These steps should be absolutely taken before using "common" found mods for the Cobra 148 GTL. Apr 27, 2022 This modification kit contains all the parts you need to install MOSFETs in place of the original bipolar transistors in your Cobra 148. 008051 - Cobra SWRTalkback Internal Potentiometer for C29LX CB Radio. Posted on Saturday, January 27, 2007 - 1153 am The 148 gtl from that time frame will talk loud and clean with the mod limiters clipped. Clarifier Mod on Uniden Greant XL. Apr 27, 2022 This modification kit contains all the parts you need to install MOSFETs in place of the original bipolar transistors in your Cobra 148. Detailed instructions are included. I am wondering what modspeaktuning can be done to it without making it sound like a monstrosity. Change R126 (10k) to a 2. Below are 2 modifications for the 148 GTL. 2 Change R174 (10K) to a 2. EarlyLate versions; Factory Service Manual-corrected in April &x27;83 and they were returned within a. 4 Watts AM 12 Watts SSB RF Power OutputThe maximum allowed by law. I have also cut R131. 2k 3. The 4-pin front panel mic connector allows the 148 GTL to be installed above, in, or under dash conveniently and easily. I&39;ve also added my own. Shopping from USA. Mine was modified and used > as a 1200 baud packet node during the last solar cycle. A page which list&39;s the modulation boosts and tune ups for the cobra range of radio&39;s. 1) Flip your radio upside down so the speaker is facing up. Remove TR24 2. I&x27;ve assembled the "swing kits" with a pot for power level before for the cobra 29&x27;s but I want to put one on my 142 for AM. 3 mar 2018. 00 shipping. I&39;ve also added my own. Do you have any tricks, modifications or constructions for homebrewed equipment that are not on mods. For a low key and full swing, try this modification. The one regret from getting the blue 3 digit display in my 148 GTL is that I went for blue. 6AConector de Antena UHF SO-239Dimenses 60 (H) x 200 (W) x. This page describes modifications for the Cobra 148 GTL (PC-412). Shop for Cobra - 29 LTD Classic CB Radio at Best Buy. On ebay people often will tell you that the radio they are selling has had a swing . Need some help with a radio mod Pop in and ask away. if the deadkey is too low replace with a lower value resistor. Not SSB. Replies 1 Views 30,047; Rating0 5; Last Post By. 2)Find IC 6 & 7 by the PLL chip. 1)Get a SPST switch and mount it in the radio. I just got a Cobra 148. Install a 1N4001 diode in series with the resistor, being sure to place the banded end of the diode in the vacated main board hole. 148 GTL CUT R131 VR10, (ssb)VR11. model) VR5 VR11, (ssb)VR7. Hi Guys I wanted to tweak my 148. You will see J68 and J 69 3)Solder a wire from one side of the switch to J68. model) VR5 VR11, (ssb)VR7. Here is a neat little mod for the 148, 142, & Cobra 2000 GTL. Titan 10 meter Transceivers RPSY-201 handheld HTML version. gu; fz; dc; Related articles; jb; ly; sw; gd. 148 GTL CUT R131 VR10, (ssb)VR11. Fan mod for the Kenwood TS-430, TS-440 and many others. Search Cobra 29 Ltd Mic Wiring Diagram. uuTexas Star Parts FP-MPV Replacement Faceplate For MOD PV. 1 7-08-12 145 pm Galaxy 99v npcAudiodrive6 1 4-01-12 1005 am Ranger 6900F150Dale2 1 2-02-12 1135 am Galaxy 99 swing mod. Its located up front of the radio almost in the center. 1969 k5 blazer; unreal engine create camera from view. 2K and R124 (10K) to a 4. Something for the modification men out there. Those two transistors will drive more power. Search Cobra 29 Ltd Mic Wiring Diagram. ) 4. Here is the propper way to do the heavy swing mod to the older RCI-2950 First do NOT clip the modulation limmiter as that will defeat the purpose of the mod. Change R126 (10k) to a 2. 2) Remove the bottom cover (be careful, your speaker is attached to the cover and the connection wires run to your PC board so dont pull it up abruptly, gently lift it off and lay it to the side so the wires arent being pulled. Post by clanger260865 &187; 29 Apr 2012, 1556. Note . Cobra 148GTL ST (Discontinued) SSB Mobile with SoundTracker technology. See the chart for the resistor, AM modulator transistor, AM Power, and AMC controls for your particular radio application. By continuing to shorten the antenna you will notice the SWR reading will reach a low point and then start rising again. Re Cobra 148 GTL mod confusion. 2k resistor Change R124 to a 4. Dual Conversion AM Receiver. Those two transistors will drive more power. AM power is VR10. This set uses a pair of binary adders to alter the programming on the MC145106 PLL,this programming can be changed to expand it to cover so many channels that the set would need to undergo major modifications to be able go to the new. Locate resistor R264 and lift the right leg of the resistor from the board. Highlander1588 2 1 2-03-02 811 am Swing for mirage. Cobra 148 GTL DX. gu; fz; dc; Related articles; jb; ly; sw; gd. As for mods, I&x27;d just give it a good tune up and add a 10KC shift on the CH9 switch. Looking to find other HAM CB radio operators on-line You found us. I do not recommend cutting R131 which limits the modulation. 3) Remove TR24 4) Re-tune L37 and L38 for maximum forward AM power. 140 & 142 GTL Channel Expansion & Clarifier Modification (See Note on Page) (Correction in Volume 5 Page 17) 4. 140GTL, 142GTL, and 148GTL Hints And Kinks 5 70 Author Message Skullman. A 10k 14W resistor now goes to the foil trace to the rear of where it was severed from the trimpot&39;s center (wiper) lug. NOISE BLANKER IMPROVEMENT. SWR meter adjust the length of the antenna appropriately. gu; fz; dc; Related articles; jb; ly; sw; gd. 00 (add to cart button at bottom of page) ITEM VMOD148 0; Note heat shrink, & or wire color may vary from unit to unit. I NEED A SWING KIT FOR A 148GTL EMAIL. This page describes modifications for the Cobra 148 GTL (PC-412) The PCB in this radio is almost identical to the Grant (PC-409) and the Madison. Its one of the most popular modifications to have done to your CB radio. 19 Dec 2007. 25 watts. Cobra 75 WX ST. Below are 2 modifications for the 148 GTL. Cobra 148 GTL-B Printed Circuit Board PTBM122DOX (Cybernet Chassis) RX Change C135 to a 1uF non-polarized electrolytic Change C146 to a 1uF non-polarized electrolytic TX Change C145 to a. If lower carrier is desired, change R196 near VR-10. modulation mod for cobra 148 gtl 13. Thursday at 0429 PM. Choose a language. 25 watts. The radio has not had any mods. I have made the modification to the receiver for increase rf gain (TR14, TR19 and D1, D2, D21 and D22 replaced). Bundle Deals and fast shipping available. astradyne Moderator Posts 10717. Go To the EPT690010Z Main Board Mods Page. Variable Dead key (carrier) MODULATOR Swing kit for the Cobra 148 GTL, Cobra 2000 GTL, & Uniden GRANT XL CB Radios. Just solder in and go. I&39;ve sent you a pm, please get back with me and I&39;ll. 008047 - Cobra Channel Selector for Cobra 29LX CB Radio 23. 10 Mar 2008. 2 monolithic, this will widen up the audio on AM. When this mod is used the switch stays in the center (off) position for normal use, to activate the mod just flick the switch either up or down depending on which channel you are on at the time (it will either need to go or - depending on the binary code produced at the time), here are what I believe they should be for the A channels. 10 Mar 2008. If you bought the swing kit made for the Cobra 2529 series of radios it will not work in the 148 due to the differences in the modulation circuits. Makes a slick unit on 10 meters. Uniden Taiwan 1987 (Same as Cobra 148 GTL-DX) AU 384. Here is the propper way to do the heavy swing mod to the older RCI-2950 First do NOT clip the modulation limmiter as that will defeat the purpose of the mod. if the deadkey is too low replace with a lower value resistor. 00 EACH 148-XL Extra Channels Kit. Extra channel modification 3 switch version for Cobra 148GTL. 148 GTL ST today and it had a pot in the VR7 location. 1 7-08-12 145 pm Galaxy 99v npcAudiodrive6 1 4-01-12 1005 am Ranger 6900F150Dale2 1 2-02-12 1135 am Galaxy 99 swing mod. This page describes modifications for the Cobra 148 GTL (PC-412) The PCB in this radio is almost identical to the Grant (PC-409) and the Madison. Fast & Free shipping on many items Cobra 2000 Gtl for sale eBay. Price 15. Makes a slick unit on 10 meters. Jul 15, 2006 Posted on Saturday, January 27, 2007 - 1153 am The 148 gtl from that time frame will talk loud and clean with the mod limiters clipped. Those two transistors will drive more power. Install a 1N4001 diode in series with the resistor, being sure to place the banded end of the diode in the vacated main board hole. Search Cobra 29 Mosfet Conversion. The most I&39;ve ever seen on a 1969 final was on a Cobra 148F-GTL on sideband and it was an effort for it to make 22 watts. CobraUniden Variable Power Mod. The following mods are the same for all three radios. 24 feb 2021. Cobra 148 GTL DX Connex 4800 Ranger 2960 F Note The following mods are the same for all three radios. The CB Radio Talk Forum. I still have a Cobra 148gtl dx and its brother the Superstar 360fm. Its one of the most popular modifications to have done to your CB radio. 3 bids. Adjust the modulation to no more than 100 by adjusting VR14. This page will describe how to add more bands to the Cobra 148 GTL DX and other radios using the PB010 PCB. 955 MHz C 26. As for mods, I&39;d just give it a good tune up and add a 10KC shift on the CH9 switch. > The same thing is done in most other radios I have worked on. Cobra Base Station CB Radios Cobra 93 (Discontinued) Cobras only AM Base with weather. 26 post Page1 of 2 1, 2, SWING KIT 148 GTL. 00 (add to cart button at bottom of page) ITEM VMOD148 0; Note heat shrink, & or wire color may vary from unit to unit. Oct 12, 2009 Here is a good set of poweraudio mods for the Cobra 148GTL. Power Increese for Cobra 148 GTL 09 Apr 2008 Peak voice sensitivity for Cobra 2000 and 148gtl 10 Mar 2008 Extra channel modification 3 switch version for Cobra 148GTL. 3 Run a New wire from from where the Blue wire was on the Fine Clarifier control to cathode of D-88 (located directly in front of Green A-473 Power Transistor on right side of Chassis. 01uF caps on. This kit will usually also work for use with the IRF520, IRF520N and FQP13N10 MOSFETs in most of those above radios cbradiomagazine Put the Spark Back in Your Car Battery With 20 off a 2,200A Jump Starter That Doubles as a 21,800mAh Power Bank When the B&T conversion was first announced, it was incorrectly reported that it would. Remove TR24 2. Set the driver bias to 50 mA. TX Change C145 to a. Cobra 148F GTL DX IC7 R176 270K, R186 1K TGT MD-1 Modulator Installation Instructions The following installation requires the removal of 1 resistor and the connection of 7 wires to the main circuit board of the radio. Voicelock mod for Cobra 148 GTL. mod submission for cobra ssb 8719pll chassis (cobra 148gtl) 12 Mar 2007. Now if you want to talk about a 1307 driven by a 1306, which will swap out to the 2000-GTL, 148 and 148F-GTL and the Grants. com Model. by Matt1987 Sunday, 07 August 2022, 1440 PM. It&39;s one of the most popular modifications to have done to your CB radio. I&39;m really amused about the myth that clipping the modulation limiters on all radios will cause them to overmodulate. xxx to 29. it only had a 390k ohm resistor in it. It indicates, "Click to perform a search". will give a Carrier of about one and a half Watt Dead Key and an Audio Swing of about 12-14. For a CB Radio it worked pretty good on SSB. Remove C35 and C16. There are other things you can do and although these mods will increase swing, the audio won&39;t change. Locate resistor R264 and lift the right leg of the resistor from the board. Tactile Controls. ) 4. Icon Legend. Fast & Free shipping on many items Cobra 2000 Gtl for sale eBay. 3 swing 12 watts peak on a 148 is just as loud as my General Lee and it swings 30-35 watts. Solder the components as shown below. I have one myself. Connex 4800. Adjust the modulation to no more than 100 by adjusting VR14. Looking to find other HAM CB radio operators on-line You found us. 148 GTL CUT R131 VR10, (ssb)VR11. chapter 3 test form 2a algebra 2 answer key, harborcreek auto gallery
Locate J2. . Cobra 148 gtl swing mod
com Tom&39;s Cobra 148GTL with LesComm LC5304 Blue COBRA 148 GTL FULL OEM REFRESH AND MODS FOR AL. 00 (add to cart button at bottom of page) ITEM VMOD148 0; Note heat shrink, & or wire color may vary from unit to unit. prospect ct Shop the widest selection of Fender Strats at the guaranteed lowest price PE - 1966-11 - Free download as PDF File (ULTIMATE COBRA DYNASCAN REPAIR - SERVICE MANUALS (PDFs on DVD) This DVD contents more than 160 Original COBRA owners, schematics and repair manuals for servicing a lots of Cobra products. 2 dic 2014. prospect ct Shop the widest selection of Fender Strats at the guaranteed lowest price PE - 1966-11 - Free download as PDF File (ULTIMATE COBRA DYNASCAN REPAIR - SERVICE MANUALS (PDFs on DVD) This DVD contents more than 160 Original COBRA owners, schematics and repair manuals for servicing a lots of Cobra products. Voicelock mod for Cobra 148 GTL. ky; gu. 7k 4. Re Cobra 148 Clarifier Mod. It is a great radio. Kit comes with easy to follow text instructions, and color coded wiring picture diagram. The radio is like new, never been put in service or installed. Joined 11 Feb 2009, 1118. The radio has not had any mods. Note . 2k 3 Change R187 (10K) to a 2. They&39;re not high powered rigs but they can get out there and modulate. 755 MHz in six bands A 26. 148GTL-DX New Frequency Modifications 18. Clip those wires and then strip a small section off of each and solder them together. Ganti transistor final mosfet BLF7G20LS-250P, pesanan teman Dual Mosfet Finals Blue meter light Blue. 5) Adjust VR10 for maximum PEP on AM. Below are 2 modifications for the 148 GTL. Initially had a 75. model) VR5 VR11, (ssb)VR7. 2k 3. Re-tune L37 and L38 for maximum AM forward power. They&39;re not high powered rigs but they can get out there and modulate. VR1 receive gain. can be made to cover the 10M novice sub-band and then some. 26-09 923 am Delta force mikeBarakuda3186 1 3-11-09 249 pm New 2950dx coverageNorm22 1 2-28-09 1045 pm RCI 2950 NPC mod needed. I couldn&39;t find these in the search, so I reposted it. When this mod is used the switch stays in the center (off) position for normal use, to activate the mod just flick the switch either up or down depending on which channel you are on at the time (it will either need to go or - depending on the binary code produced at the time), here are what I believe they should be for the A channels. Connex 4800. 2K RECEIVE IMPROVEMENT The stock AM dection diodes are 1N60P Devices, Replace them with ECG-583 Schottky Diodes. Change R114 to a 10K, and C46 to a. Cobra 148 MOSFET Mod for Driver and Final. older 148 gtl-dx. First one I've done here. Variable Dead key (carrier) MODULATOR Swing kit for the Cobra 148 GTL, Cobra 2000 GTL, & Uniden GRANT XL CB Radios. Change R126 (10k) to a 2. 3 swing 12 watts peak on a 148 is just as loud as my General Lee and it swings 30-35 watts. 140 Another MB8719 Modification 13. Uniden Grant XL. 2k resistor Change R124 to a 4. See the chart for the resistor, AM modulator transistor, AM Power, and AMC controls for your particular radio application. Galaxy DX 2547, Cobra 148 GTL) so the introduction of a new Consulta qui . 2k 3. 14 (AU. Kit comes with easy to follow text instructions, and color coded wiring picture diagram. Change R114 to a 10K, and C46 to a. 19 Oct 2014. Anyway, VR-10 is your AM power output (dead key). pythagorean theorem worksheet with answer key; blue sky bee suit; pyarrow read table word guessing game with clues; microlocs woodbridge va key mapper bluetooth pascal sample code. Dual Conversion AM Receiver. (This is the end of the solder side work. Just solder in and go. Hope this helps. Re-tune L37 and L38 for maximum AM forward power. Great deals on Cobra 148. call L59. 2 - Instale o filtro no lugar do capacitor C47, ficando a entrada do Channel Guard do lado da bobina L7 e a sada do filtro do lado da bobina L8. Ranger 2960 F. 30 shipping. VR1 AMFM S-Meter VR2 SSBCW S-Meter VR3 SSBCW Squelch VR4 AMFM Squelch VR5 FM Deviation VR6 SSB Carrier Balance VR7 TX Frequency. mods along with the super swing mod,and a complete realignment. VR1 receive gain. 7K resistor, then attach a center off type toggle switch directly to pin 16, pin 16 will go to the. 19 Dec 2007. Cobra power mic and Cobra 148 GTL. Cobra 148 GTL Professional driver-requested improvements include a front panel microphone connector for convenient in-dash installation, 9 foot microphone cord for easy reach anywhere within the cab, and tactile controls for added convenience and safety when adjusting functions. 2k 3. This modification is for the latest production 148 GTL with 4pin microphone plug. For a low key and full swing, try this modification. Looking to find other HAM CB radio operators on-line You found us. Change R126 (10k) to a 2. Ultimate Cobra Dynascan Ham CB Radio Operation Repair Service Manual. By continuing to shorten the antenna you will notice the SWR reading will reach a low point and then start rising again. It does NOT affect sideband Volting the final is not in the same category as the NPC mod. This device is filled with technologies, features, and functions for the experienced user. On converted to electronic relay so the radio can be used in VOX mode As a teenager I use to put on a pair of headphones and do my homework. The Cobra 148 GTL is a professional AM and Single Side Band radio that provides radio operators with communication with all AM and Single Side Band CB Radios. com is a website about everything CB radio related in Australia from the 1970&x27;s. I have the box and manual. Post by frogman296 Wednesday 25th Feb 2009, 2110 The Defpom wrote Personally I put a 1K series resistor on the middle leg of TR24, and change R124 and R126 to 4. Cobra Base Station CB Radios Cobra 93 (Discontinued) Cobras only AM Base with weather. 855 MHz in three bands Low 26. Go To the Dragon TRC-485 Mods Page. Cobra power mic and Cobra 148 GTL. Ending Saturday at 1057AM PDT 2d 3h. COBRA 148 GTL MANUAL DE SERVICIO. Many a typical CB radio can benefit from some form of better Bias power filtration - a simple low-pass filter and as needed an extra BIAS filter cap and buffer resistor can offer even more levels of protection which takes care of that FCC Part 95 Free Pass. 12 Watts SSB RF Power Output. This will allow you to lower the dead key and still have the full swing capability. MobileIn-Vehicle Radio. Apr 02, 1997 You can do a lot with a Cobra 148GTL. The average going price for a 2000 is about 150-200. Modification 2 replaces both driver and final. Cobra Base Station CB Radios Cobra 93 (Discontinued) Cobras only AM Base with weather. if the cobra 148 gtl Dx has the same board here is a mod The tweak 1 Remove TR32 2 Change R174 (10K) to a 2. The original Cobra 148GTL is back and better than ever Professional driver-requested improvements include a front panel microphone connector for convenient in-dash installation, 9-foot microphone cord for easy reach anywhere within the cab, and tactile controls for added convenience and safety when adjusting functions. Cobra 148 gtl extra channels kc gm. Super Star 3900 Gold and Cobra 148GTLX Gold. 148 GTL ST today and it had a pot in the VR7 location. 2K RECEIVE IMPROVEMENT The stock AM dection diodes are 1N60P Devices, Replace them with ECG-583 Schottky Diodes. It's located just in front of IC4, it's used to supply voltage from the power switch, and bypassed RF power supply choke and filter, T1, on older pre-1994 Cobra. Example papa-mod for a superstar 3900. Click here to view all the ABOVE modifications for 148gtl in one page. R131 was still there and numbered the same. Cobra 148GTL 40 channel is the best CB radio recommended to those who are after the benefits of the long-range SSB communications. All you need to do is cut the track that goes to pin 16 on the MB 8719 (PLL), bridge the cut in the track with a 4. Install a 1N4001 diode in series with the resistor, being sure to place the banded end of the diode in the vacated main board hole. DIY Radio MODSLINKS Web Store My Cart 0 items. > Gary. Just solder in and go. Copper Talk Cobra 138 XLR. Cobra power mic and Cobra 148 GTL. Mar 27, 2002 5) Locate the Orange wire from the clarifier control and follow it to where it connects to. Volume knob mod C219 is the factory location where the AUX port on the front of a Cobra 2000 taps into the audio chain before the audio. 2 - Instale o filtro no lugar do capacitor C47, ficando a entrada do Channel Guard do lado da bobina L7 e a sada do filtro do lado da bobina L8. The It. Today, we&x27;re going to modify a Cobra 2000 GTL base station for BIG AUDIO. Change R114 to a 10K, and C46 to a. Unlocking a clarifier on a radio with no built in frequency counter is a bad idea. By continuing to shorten the antenna you will notice the SWR reading will reach a low point and then start rising again. Variable Dead key (carrier) MODULATOR Swing kit for the Cobra 148 GTL, Cobra 2000 GTL, & Uniden GRANT XL CB Radios. Tram part number ZMTY182001 These can also be used in the Cobra 1000 as is cobra 140 gtl cobra 142 gtl cobra 148 gtl cobra 2000 gtl cobra 2010 gtl uniden grant xl super star 3900 washington 858. For a CB Radio it worked pretty good on SSB. Items 1 - 16 of 30. The frequency counter is only a 5 digit counter. This set uses a pair of binary adders to alter the programming on the MC145106 PLL,this programming can be changed to expand it to cover so many channels that the set would need to undergo major modifications to be able go to the new. . private landlords renting in baltimore county