radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

Opera 621A

Opera 621A; Tesla; Praha, (ID = 94769) Radio
 
Opera 621A; Tesla; Praha, (ID = 94770) Radio
 
Opera 621A; Tesla; Praha, (ID = 94772) Radio
Opera 621A; Tesla; Praha, (ID = 84741) Radio Opera 621A; Tesla; Praha, (ID = 84743) Radio
Opera 621A; Tesla; Praha, (ID = 168537) Radio Opera 621A; Tesla; Praha, (ID = 168538) Radio
Opera 621A; Tesla; Praha, (ID = 168539) Radio Opera 621A; Tesla; Praha, (ID = 310183) Radio
Opera 621A; Tesla; Praha, (ID = 310184) Radio Opera 621A; Tesla; Praha, (ID = 310185) Radio
Opera 621A; Tesla; Praha, (ID = 310186) Radio Opera 621A; Tesla; Praha, (ID = 444580) Radio
Use red slider bar for more.
Opera 621A; Tesla; Praha, (ID = 84741) Radio
Tesla; Praha,: Opera 621A [Radio] ID = 84741 460x362
Select picture or schematic to display from thumbnails on the right and click for download.
For model Opera 621A, Tesla; Praha, Bratislava etc.
 
Country:  Czechoslovakia
Manufacturer / Brand:  Tesla; Praha, Bratislava etc.
Brand
 
Supraphon
Year: 1955/1956 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 9: ECH21 6F31 6BC32 6CC31 EM11 6L31 6L31 6Z31 6Z31
Main principle Superheterodyne (common); ZF/IF 452 kHz
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Details
Power type and voltage Alternating Current supply (AC) / 110-240 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 27 cm = 10.6 inch
Power out 5 W (unknown quality)
from Radiomuseum.org Model: Opera 621A - Tesla; Praha, Bratislava etc.
Material Wooden case
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 660 x 520 x 215 mm / 26 x 20.5 x 8.5 inch
Notes Wellenbereiche: LW 1000...2000 m; MW 185...672 m; KW 16,5...51,5 m. Im KW-Bereich rastet die Abstimmung bei den Rundfunbereichen (16m, 19m,...31m, 41, 49m) ein, die dann mit einer KW-Lupe (zweiter Abstimmnopf) abgestimmt werden können. Durch Drücken des Hauptknopfes kann die Rastung wieder aufgehoben werden.
Net weight (2.2 lb = 1 kg) 20 kg / 44 lb 0.8 oz (44.053 lb)
Mentioned in Ceskoslovenske Rozhlasove a Televizni Prijimace I a II

Model page created by Gabriel Toth. See "Data change" for further contributors.



All listed radios etc. from Tesla; Praha, Bratislava etc.
Here you find 1798 models, 1095 with images and 553 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
rmXorg