[Drake] Pre-amp for R-4C?

[Thomas Beltran]

I saw a post on a list serv, about AR2 communications - someone gave the =
address, and I tuned in.  They make, among other things, low priced =
preamps.  Since it is so common to have a preamp on modern receivers, I =
was wondering a preamp would benefit the R-4C.  I know Sherwood sells a =
preamp.  In any case, here is the address:

http://www.advancedreceiver.com/page46.html

Here are the specs:

      Specifications=20
    =20
    =20
      Model



      P0.1-30/20VD
      P0.5-30/20VD
      P1-30/20VD

      Freq.
      Range
      (MHz)

      0.1-30
      0.5-30
      1-30

      N.F.
      (dB)


      2.5
      2.5
      2.5

      Gain
      (dB)


      20
      20
      20

      1 dB
      Comp.
      (dBm)

      +22
      +22
      +22

      1 dB
      Bandwidth
      (MHz)

      40
      40
      40

      Device
      Type


      Bipolar
      Bipolar
      Bipolar

      Price



      42.95
      37.95
      32.95
    =20

The P1-30/20VD is only $ 32.95.  Any ideas?  The noise figure of 2.5, is =
higher than the noise figure for the single band preamps, which run 0.5. =
   I don't really know what the figure means - but if the difference is =
significant, and if a preamp would benefit the R-4C, it wouldn't be a =
big deal to buy one for say 20 meters and another for 15 meters.  Any =
thoughts?  Well, 9A4OM is calling CQ on 20 CW, so I'd better go.  Tom =
W6EIJ





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