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#1
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Hammarlund HQ-150 (still love that Q-Multiplier)
Collins R-388 (same as 51J-3) Hallicrafters SX-28 w/ matching speaker (what a sound!) -- Brian Denley http://home.comcast.net/~b.denley/index.html "D Peter Maus" wrote in message ... Count Floyd wrote: I constantly see everyone wanting the "newest" radio, but does anyone use old, retro equipment in their shack? I am using nothing but, and the interest has come back to my listening pleasure. I am using my old Layfayette HE-10, S-38 and the old trusty RF-2200. It is amazing, I have already gotten 15 states with the HE-10/S-38 combo, and am finding more shortwave with the Panasonic. Hallicrafters S-53A, National NC-88, Hammarlund BC-794 SuperPro,' Zenith T/O 3000-1, Zenith T/O R7000, Zenith T/O Y600, Masterwork 2896, Grundig 960 (the real one), Grundig 650 Professional. As a start. |
#2
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bdenley wrote:
Collins R-388 (same as 51J-3) I am about to begin trouble shooting my R-388; the crystal filter phasing control seems to only attenuate rather than notch, at two opposing points on its dial -- does yours actually notch? Also, the AVC seems to be inoperative, but I have read that some folks have found the AVC to be ineffective even when the circuit is functional. How is your AVC? Lastly, the 3.5 - 4.5 Mc band has recently developed regeneration when the Ant. Trimmer is peaked, with or without an antenna, if the R.F. gain is set too high; ever see that? Michael |
#3
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Michael:
No my R-388 works very well (other than the hand cramps from twisting that band change knob, something Peter Maus warned me about!). The xtal phasing does notch in two places. You might try looking at the output of the filter strip to see how that notch forms and tweak the phasing alignment while watching. The AVC works well, something I can't say for my SX-28 (I need to fix that one day), antenna trim also has no issues. -- Brian Denley http://home.comcast.net/~b.denley/index.html "msg" wrote in message news:9sednV5K-_VjTILVnZ2dnUVZ_gednZ2d@cpinternet... bdenley wrote: Collins R-388 (same as 51J-3) I am about to begin trouble shooting my R-388; the crystal filter phasing control seems to only attenuate rather than notch, at two opposing points on its dial -- does yours actually notch? Also, the AVC seems to be inoperative, but I have read that some folks have found the AVC to be ineffective even when the circuit is functional. How is your AVC? Lastly, the 3.5 - 4.5 Mc band has recently developed regeneration when the Ant. Trimmer is peaked, with or without an antenna, if the R.F. gain is set too high; ever see that? Michael |
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