Altoparlante Autoeccitato A-420

Geloso SA; Milano

Data
Forum
Pictures
Collections

  • Year
  • 1940 ??
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 327765

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • 80
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125; 160; 220 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 42 cm = 16.5 inch
  • Power out
  • 50 W (max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Altoparlante Autoeccitato A-420 - Geloso SA; Milano
  • Shape
  • Chassis only or for «building in»
  • Notes

  • Potenza di punta fino a 40/50 W. Potenza continua 25/30 W. Risposta in frequenza da 30 a 8.000 Hz.
    Impedenze di entrata variabili tramite trasformatore incorporato: 5 - 7,5 - 10 - 12,5 - 15 Ω.
    Prezzo esclusa la valvola: 1.130 ITL.

  • Mentioned in
  • -- Original prospect or advert
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum