CB radio UK Help. (CRT SuperStar 6900N + KPO 532 mic). 

Good info for this radio and Power mic, bit like back in 81/82 when we rushed out and bought echo mic and put it all on full, what a mess the breaking channel was with bad audio, and then the Echo box came along, Take care Fred. 56CT004 Glenn

Top tip... A carefully placed spot of "hot glue gun" glue at the max spot, where you can only slide back, and not forward! 😉

Hi Fred great video as usual and interesting comments on the standard mic vs a power mic. I have a Alinco DX10 and a Lincoln 2+ plus my Ham rigs being a Licensed ham. My EMS70 mic I modded as I agree the audio was very low and toppy.. So I tried a number of ideas as I wanted to try. I firstly increased the size of the hole for the electret element to 3 mm and because the mic was very light and I like my mics to have a bit of weight I put in a small piece of insulated metal and some acoustic foam to fill any cavities causing hollow audio.. I also wound up the mic gain to 63 which might sound excessive but seems to work well with the DX10 and this mic.. Interestingly enough nostalgia got the better of me and I bought an old Astatic teardrop M575 because of its audio properties (I did the buzz mod to it to stop it humming) and as it had a tone control and a decent bit of gain if needed.. Believe it or not although the teardrop Is a brilliant Mic the standard modded mic gives a better result than both my power mics even my Adonis 508. That being said I’m a tinkerer so I’m comfortable doing these mods and that’s the fun of radio isn’t it and sharing what we’ve learned.. Best 73’s Marky P Aka 26PM003 / M0PPK.

in the radio ,change the mic dinamic to electric -to use preamplifire mic will work nice

Excellent advise,,,,had this same problem myself with the k,po ,,,,,,,

That's exactly why I got the CRT SS 7900 plays perfectly and yes the 6900 is well I don't like the part even the 9900 is great when it is overhauled 😉

Good stuff Fred. Yeah.. you did a similar video sometime ago, but it's all good. Many times a "Noob" will find a YT channel they like, but because the channel has so many videos it's easy to over look something as specific as this one, so it's great you've done another 👍

Good video Fred, have just got a kpo DX5000 for mobile use, looks much the same, thanks for explaining the menu function 👍73s

Thanks for the info..always useful to a noobi... finaly my station works..A99 and crt9900... know i can start se if i hear u 😉 73... M14

Hi, i have a 6900n with a kpo power mic, and a sharp shooter mic, both have started squealing when i key up. Only just starting having problems after 2 years with no probs, any ideas

I enjoyed that Fred mate. Hope you're well man

i toke the filter that is cover inside mic and put the mic power on radio to 80% and it works very good

Oh no 6 million people bought these mics based on your recommendation

U can always talk across sideways too,TalkBack is mainly for checking your mike

My solution is to set the mike gain on the radio half way then the power mike half way.

Fred is there a menu setting for Electret or Dynamic mic. The kpo dm110 is Dynamic.

Hi fred can the power be turned up from inside the 6900n

HELLO SIR , CAN YOU TELL ME if this kpo 532 needs some mods for the 6900 to work properly? i know that the 6900 have two pin with 5 volts , o guess if i just put it in i will damage the radio , thanks in advanbce ,.

how is the microphone gain set for the kpo 532,

good info fred

Hi Fred, I got myself a SS 6900n radio and on certain USB channels I get the BUSY logo come up with a bleep, Any idea what it is or how to get rid? thx :)...Great video btw :).

Your display dims as the power supply isn't good enough. It can not supply the current without voltage drop. Is it a cheap chinese switching mode one? If you use a car battery you will not have the dimming problem, that is how to test.

Thanks for the advice Fred. Have the DX5000 with a 532 and there is an issue with overdrive. Cheers mate. 26CT9484

Nice video 73

Yeah put one of them mics on my Anytone AT 6666 as like you soft voice. I just brought a Alinco dx 10 for the car and will be travelling from Norfolk to Tottenham tomorrow so hope to catch you on 305 if you about??

I wish you would have tuned in those stations.

I tested 6 different microphones on that radio and they were all bad. I get the best audio with an alto ZMX862 mixer and a Behringer XM8500 microphone.

I really don't get why you would turn the mic gain right down on the radio and use a power mic to make yourself loud enough! That is like putting a cover over a light bulb and buying a much brighter one so the room is bright enough. It doesn't make sense what you are doing. If the transmitted radio audio is too low, turn the gain control up on the radio - problem solved.

Gave up on the 532. Mic gain and slider made no difference. Must be a duff mic. 110 works much better.

My ham radio mast has gon bawn sow l can not listen 2 my ham radio fred in the shed from Matthew mate

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I coming back to cb but it cost so a save up