Transistor Radios Around the World

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1964 Tesla Zuzana 2710B

Shirt pocket, thermoplastic cabinet
5 x 3 1/8 x 1 5/8 inches / 127 x 79 x 41 mm
MW, six transistors (Tesla, OC71, OC76, 3x OC170, 104NU71), superheterodyne circuit
One 9-volt battery
Manufactured by Tesla, Bratislava Plant, Czechoslovakia

Tesla's first shirt pocket transistor radio. As a resident of Bratislava, I can tell you that ANYONE I talk to here (not just collectors) remembers this little radio with a true touch of nostalgia — unfortunately, they also remember it as being a pretty crappy radio in terms of performance.

If you look at the chassis image below, you'll notice that the tuning dial isn't calibrated in kHz or meters, but simply 0-10. Another set I've seen this on is the 1962 Mir, a Soviet radio manufactured in Belarus. I really can't say why this dial numbering scheme was chosen for either radio.

Tesla Zuzana

1964 Tesla Zuzana 2710B


Tesla Zuzana

inside back label


Tesla Zuzana

chassis — click on the image for a larger view —
each of the five Common Type European transistors here
has a Tesla paper label on it, as does the Tesla 104NU71


Tesla Zuzana

schematic — click on the image for a larger view

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