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  1. HARDROCK

    Best Moblie Antenna for OTR Truck

    I drive a macks and freightliners daycab. The 5ft firestik or skipshooter toploads work very well behind the cab , via vicegrip pliers mount because of slipseat operation. I have a stargunn big coil also. I cant tell any differnce in the 3. The main thing is tuning it for resonance NOT...
  2. HARDROCK

    Best Moblie Antenna for OTR Truck

    The main focus on short loaded antennas should be matching the radio to the antenna for maximum radiation also known as maximum smoke.
  3. HARDROCK

    connex board wiring help

    The pop on tx / rx is the switching of the audio input to the IC . There is a fix. You can email me.
  4. HARDROCK

    Pop On Tx Of Older Radios

    The problem is fixed. r&r communications modified the switching transistor circuit. Finally NO pop on tx or rx. Thanks
  5. HARDROCK

    Pop On Tx Of Older Radios

    When you have time. Look at the schematic and let me know what you come up with. The module fixed the pop, but you lose audio quality with the module on recieve. Thanks 73.
  6. HARDROCK

    Kenwood Mc-43 / 47 Handmic

    I had the ts-50 mic wired for ss 3900. It works Great, what i like most is the ability to cancel background noise. If you want a Quality built mic for the export rig it by far passes the standard stock mic. The key to setting up the mobile is in the below link. Read the entire article...
  7. HARDROCK

    Pop On Tx Of Older Radios

    The audio ic was replaced and audio circuit reworked. I am awaiting the return of the radio. radioshopsupply romona ca, Chip done the work, reason i posted was to let others know.... what the cb crowd accepts to be normal is actually abnormal, i have read other forums where stated, they...
  8. HARDROCK

    Pop On Tx Of Older Radios

    Thanks , the issue has been solved. I did not know if i could post the fix, because of advertisement. Do you know ?
  9. HARDROCK

    Pop On Tx Of Older Radios

    I tried that it did nothing. It is the audio ic causing the issue. I don't fully understand, the audio ic is on all the time correct?
  10. HARDROCK

    Ss 3900 Pop On Transmit Fix

    I have the original ss 3900 which had a loud pop on transmit in the ex-speaker when keying up. There is a fix for the problem.
  11. HARDROCK

    Pop On Tx Of Older Radios

    There is a fix for the pop in ex-speaker on transmit , for example the ss 3900 and alot of the older connex radios. :)
  12. HARDROCK

    Deadkey vs swing

    dead key vs swing It is best to have the amplifier balanced or matched to the radio. there is only one that i know of that has the knowlege to accomplish this. he is at west memphis ak. good luck!!!
  13. HARDROCK

    CBC Dynamic Speech Processor

    VOICEMAX / SP-1A I have the voicemax installed in a ss3900 rig, and the sp-1a processor installed in a mirage 36. the advantage is the voicemax keeps a constant 100% modulation, without dropping voice peaks. whereas the sp-1a. is more like a glorified mic amp. they both work well...
  14. HARDROCK

    RM ITALY HLA-150 DK

    hla 150 It works well low drive i set my carrier @ 1/2 watt the rm has a 25 watt carrier with 100 pep its clean and Linear, i can run it all day no problems it has 2 fans. no worry for heat build up in long qso,
  15. HARDROCK

    Talking about amps ... who are the better ab1 manufactures?

    linear amp The best bet is to buy an hla 150 made by rm italy . it has the proper filters built in . and its clean @ 90 watts pep. 25 watt carrier. forget about swinging watt meters. focus on spectural purity and the power being kept on the fundamedal...
  16. HARDROCK

    Speech processors: do you use one?

    sp-1a That is great info. i had the sp-1a processor installed in my mirage mx 36 hp by richard a tech @ the ten four cb store in ocala fl. it has to be installed with a scope. and adjusted properly . richard is the best tech i know of 35...
  17. HARDROCK

    Bias design, amplifier design, filtering etc.

    bias boo can you tell me if the palomar tx 100 is ab biased??http://www.worldwidedx.com/images/smilies/set1/mellow.gif