Really Useful Information for Vintage Radio Enthusiasts
I've compiled the following stuff which may save
a lot of time looking through data sheets or books (even if you
have them!) |
(radios only… someone else can do the TV bit)
Later volumes carried an index but the index for the earlier
volumes were combined into a single volume and it's often this
one that's hard to find in bookshops hence many wasted hours
searching through pages.
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If you align a radio to the wrong frequency you'll
find that the dial markings will be out and the gain at one end
of a waveband will be low because the tracking won't be right.
If you peak a radio onto a single frequency, whose circuits should
be stagger-tuned, it'll howl and be a bit unstable. You'll also
find it difficult to tune in stations and drifting will be a
problem as it warms up. Audio fidelity will also suffer because
you'll lose the bandwidth required for higher frequencies.
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List
of Intermediate Frequencies for Valved Communications Receivers
The two sets of information provided include commercially
available sets and "Government Surplus" types
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Valve
Line-Ups For Old Radios
This is a series of listings by "Mullard"
for Radios around in 1933 by type
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Note that this is a 12 Mbyte PDF File
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