| Country/Region of Manufacture | United States |
|---|
Check the listing for details. SCHEMATIC ONLY British Mark XV Spy Radio 1943 (AM Band to 13.5 MHZ). Condition: New. Listed at 19.00 USD. THE CIRCUIT EMPLOYS THREE 12SK7 PENTODE TUBES. THE ORIGINAL 1943 CIRCUIT USED THE 6 VOLT, 6SK7'S. THIS RADIO REQUIRES A HI-Z INDUCTIVE (2 TO 4K OHMS) OR A PIEZO HEADSET.
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SCHEMATIC ONLY British Mark XV Spy Radio 1943 (AM Band to 13.5 MHZ)