Silvertone 9000
Brand: Silvertone By Sears, Roebuck
& Co. Year of Manufacture:
1949 Frequency Range:
550 - 1600 Kc
Tube Lineup: 50L6 GT Output, 35Z5 GT Rectifier, 12SQ7 Detector, 12BE6 Mixer/Osc, 12BA6 I.F. Amp
Schematic: Available
here,
courtesy
of Nostalgia Air.
Riders 20-63
This
is a rather common, and very compact "All American Five" type
receiver. It must have been manufactured while the industry was making
the transition from octal to miniature type tubes, since this radio
uses both types. I ran across this radio on a somewhat
dusty shelf in a flea market. With a $27.00 price tag, and not needing
any more radios at the time, it was left for someone else. A few months
later it was still sitting on the dust shelf, so it found a new home on
my display shelf.
The chassis looks to have never been touched, with
all original Silvertone tubes and capacitors. A gentile removal of
the dust with a vacuum and paintbrush was the first job. After that,
the
usual replacement of
capacitors followed, taking the time to restuff each capacitor in the
process. The final steps were the replacement of the power cord, and a
cleaning and lubrication of the controls. The set worked great on the
first power up. My last repair was an alignment check using a signal
generator and my VOM as an output meter.
The cabinet was covered in a thick, nasty dust. It
was
washed in a mild solution of soapy water with a soft rag. The results
did not look promising at first. While parts of the cabinet looked ok,
there were several sections that were very dull, with the worst on top.
Doing some research online yielded a little bit of
information. It seems that there are many ways to polish a Bakelite
cabinet. I opted to try some brown gloss shoe polish. The below photo
shows the major improvement it made. It took a little while to
polish the cabinet, but the final result turned out quite nice.
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Copyright
2006 "Jeremy's Antique Radios"