Antique radios, Old Time Radios
121-xx
Description |
"121-___" is a Zenith part number for transistors; the following number(s) - instead of "xx" - from one to five digits points to one or more commercial transistor types. -
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
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