TESLA 308U "Talisman" |
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NOTES | In 1946, Philips began manufacturing radios in Czechoslovakia. The sets
used a 4-valve mains superhet concept they had developed in 1941, based
on their 'loktal' valve design. The concept is characterised ny the use
of two valves of the same type, with one as oscilator/mixer and and a second
as I.F. amplifier/first audio stage. However the Philips factories were
soon nationalised, the factories becoming part of the Tesla company. Tesla
continued to use the 4-tube concept in various sets of which this Tesla
308U is probably the last. It was produced until 1958 and it is estimated
that 1,000,000 were produced. You can find out more about "The European 4-Tube Circuit" on Clement L. Goossens's site "Sound In It" Tesla produced various different designs with the "Talsiman" name, but the 308U is the best looking of the bunch. Its a lovely looking set, but annoyingly is the first object that I've never been able to succesfully raytrace :-( Follow this link for a site all about Czechoslovakian radios and TV's. |
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SERVICE DATA | I downloaded the Czechoslovakian service manual, along with an English translation of the alignment procedure, from PastTimesRadio. |
CURRENT STATE | Clean and tidy but yet to be fired up. |
WHERE FOUND | NVCF for £75 |
Insides not as cramped as some other sets ! |
'Loktal' Valve |
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Last updated 13th April 2003 |