Radio/Amp advice

Discussion in 'CB Radio Forum' started by rainmakerr, Mar 31, 2014.

  1. rainmakerr

    rainmakerr Light Load Member

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    Mar 15, 2012
    Centreville, AL
    0
    I have a Galaxy HD29 radio, not sure what it puts out on the low end off the top of my head but on high it puts out 40 watts. I have had numerous compliments on this radio and how it sounds but would like a little more power sometimes. I thought about buying another radio (Galaxy HD47) that puts out 100 watts; it has echo(which I want but it will be turned down, I have heard several people that had their echo turned down low and their radio's really sounded good, wouldn't have known they had echo had I not asked) but don't care for all of the other junk(roger beep, backlit, and etc..). I also thought about switching the radio to low power and use a 100 watt when I wanted. Any suggestions or thoughts?
     
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  3. MsJamie

    MsJamie Road Train Member

    Props to you for wanting to keep the echo low. High power does no good when nobody can understand what you're saying.
     
    Timin770 Thanks this.
  4. Voltrucker

    Voltrucker Medium Load Member

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    Sep 24, 2012
    West TN
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    You could run a 2x2879 linear which will do about 350-400 at 12v. Far as echo goes, get a well known shop to add a echo board.
     
  5. M818

    M818 Light Load Member

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    Apr 27, 2011
    Dallas, Texas
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    2SC2879 :biggrin_255:
    SILICON NPN EPITAXIAL PLANAR TYPE

    2-30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS.
    (LOW SUPPLY VOLTAGE USE)

    • Specified 12.5V, 28MHz Characteristics
    • Output Power : Po=100WPEP
    • Power Gain : Gp=13dB
    • Collector Efficiency : '7 C = 35% (Min.)
    • Intermodulation Distortion : IMD= -24dB(Max.)
      (MIL Standard)


    http://www.rfparts.com/2sc2879.html

    gotta love those.
     
  6. Picklechips

    Picklechips Light Load Member

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    Feb 23, 2014
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    400 watts out of 2 2879s?
     
  7. rainmakerr

    rainmakerr Light Load Member

    100
    24
    Mar 15, 2012
    Centreville, AL
    0
    only looking to go up to 150 watts max, don't want to be too much of a jerk.
     
  8. Voltrucker

    Voltrucker Medium Load Member

    467
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    Sep 24, 2012
    West TN
    0
    If 150 watts max, you could get a 1 pill linear. I'd also look into the rfx150 amp you can put in the radio. The rfx150 is made for people not wanting to run a lot of extra wires or doesn't have room for a external linear.
     
  9. rainmakerr

    rainmakerr Light Load Member

    100
    24
    Mar 15, 2012
    Centreville, AL
    0
    How would this work if I use it with my radio on low power? Also, what is the thing about the crystal that is mentioned at the bottom?

    Texas Star Variable CW Transmitter - Mod V
    (1102)
    *1-2SC2290
    *100w+ output
    *14A fuse
    *Variable Power
    *Receive Pre Amp
    *Automatic SSB
    *v+, mod v+, amp, amps, amplifier

    *A crystal must be installed to determine the frequency of operation



    Or how about this for an amp?

    RM Italy KL 203P HF Linear Amplifier

    Frequency 20-30mhz, works on 15 meter, 12 meter and 10 meter ham band.

    • Mode FM-SSB-CW
    • Input power 1 - 5 W Max; Output power: 100 - 200 W Max, Preamp
    • Supply 12-14 Vcc
     
  10. rabbiporkchop

    rabbiporkchop Road Train Member

    9,432
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    Feb 9, 2012
    Wapwallopen, Pa
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    Too bad the bottoms aren't flat. Bad heat transfer unless they are prepped before installation for longevity.
    1521932237495.png
     
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