[Hallicrafters] More questions on SX-100

[Philip B Atchley]

Hi All,
Please bear with me, I am much more familiar with "hands on" use of
Hammarlund gear than I am with the Halli's as they've usually been "my
receiver of choice" (outside of the SX-71, 5R10A and S-120 that is).

The SX-100 sounds nice, but I want to be CERTAIN!

1.  For comparison I suspect the "Flagship" HQ-180A is probably
Hammarlunds nearest equivalent to the SX-100. How do they compare in
operation, reliability and stability (or for that matter the Hammy
HQ-145X vs the SX-100)?  

2.  The receiver will be used EXTENSIVELY in the 80M band  with an LF
converter for Longwave beacons.  Towards this end, what scale markings
does the bandspread have and how accurate are they? (I.E. 10KC, 20 KC
increments etc).  My SX-71 has 20KC increments and they aren't very
accurate across the band.  In fact, on the SX-71, if you Cal it at 3.5 or
7MC etc, bandspread calibration is rather sucky.  I'd LIKE to be able to
determine the bandspread frequency within 5KC/less without adding an
outboard counter.  

3.  I wonder why Hallicrafters chose to use miniature tubes in the SX-100
but stayed with the venerable 6SC7 Octal and 6K6 combo when other
manufacturers had long switched to all miniatures.  Reason I ask is the
6SC7, at least in my SX-71 has proven to be noisy in BFO service,
requiring it to be replaced 2-3 times (and yes, circuit components are
good).  It "seems" like I have a good one in there now.  I hope it
performs better in the SX-100. 
  
73 from the "Beaconeers Lair".
Phil, KO6BB

Where DX begins at the noise floor!
Merced, Central California, 37.3N  120.48W  CM97sh

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