Era Russian Crystal Set
(name is kinda period Soviet equiv of "Boy
Set Owned by Steve Bringhurst
All Images Can Be Enlarged By Clicking On Them
Covering the 2000-250 meters in five
|"This set has the diode hard-wired internally for the
it was sold for use, in this case the long-wave range. Otherwise it was
wired into a standard period Russian wall plug, shown in the pix. The
of that plug on the set's panel and the antenna point selected
the frequency range of reception from 5 ranges, 2 lo-long-wave and 3
The detector position selected low-low or lo-mid-mid-range. The point
"3" was earthing ground. The 2 terminal pairs at the bottom marked "T"
were for the headsets, piezo type recommended. For standard hi-Z
headsets, a shunting capacitor of 1000 pF was recommended across the
terminals. This set reputedly won an award of 50,000 Rubles for it's
for the best & most elegant method to use the new sealed diode in a
commercial radio. We know them as Germanium diodes."
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Moulded bakelite case
Laying Side By Side With a Heathkit CR-1 For Reference
Permeability slug tuning.