• Manufacturer : RCA Radiola
  • Type : UZ 1325
  • Produced : 1923 - U. S. A.
  • Device : high impedance horn speaker 
  • Operating estimation (1-10) : 9
  • Global estimation (1-10) : 9
  • Specials : speaker has high impedance driver 1.5 kohms / 10 - 15 mA
          DC current suitable for using tube 01A as output amplifire
        - it was used in coincidence by early U.S. radios
  • Note : wanted and often vintage sample!

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