John -
The 2-B is a tube based oscillator and so uses 32 pF, Parallel resonant
crystals. All but the R-4 in the 4 Series use 20 pF, Series resonant
crystals, (I think.) I can't find my doc with the specs at the moment.
There would be a couple/three kHz difference in the frequency if the
"wrong" crystal is installed, which isn't real serious for the Band
crystals, unless you like to switch from band to band and have the "0"
stay at "0". :-)
Bry's crystals are probably fine, but he doesn't have the 20.8 MHz ones
required for 30M operation of the 4 Series.
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 4-B, C-Line & TR-4/C Service Supplement CDs
<www.k4oah.com>
john wrote:
In my experience, the crystal type is not critical in the Drake rigs.
I seem to recall ordering a $3 "standard" computer type crystal out
of mouser/digikey for use in a 2B as I recall, and it worked FB. HC6
or smaller, it doesn't really seem to matter.
John K5MO
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