• Country
• Czechoslovakia

• Manufacturer / Brand
• Krizik, FR. A. S.; Praha

• Year
• 1957 ?

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 306021

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 3

• Valves / Tubes
• RA0007A UBL21 UBL21

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 190-240 Volt

• Loudspeaker
• - - No sound reproduction output.

• Power out
• 500 W (undistorted)

• Material
• Metal case

• from Radiomuseum.org
• Model: Krizik ST 500 - Krizik, FR. A. S.; Praha

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 510 x 380 x 210 mm / 20.1 x 15 x 8.3 inch

• Notes

• Durchgangsleistung: 500 VA
  Netzfrequenz: 45 - 65 Hz
  Ausgangsspannung: regelbar von 210 V bis 230 V
  Klirrfaktor: höchstens 5%
  Ausregelzeit: 0,2 sec.

  Das Gerät war auch ohne Gehäuse lieferbar.

  Successor model ST500/4.

• Net weight (2.2 lb = 1 kg)
• 29 kg / 63 lb 14 oz (63.877 lb)

• Mentioned in
• -- Original prospect or advert

• Author
• Model page created by Markus Müllner. See "Data change" for further contributors.

• Other Models

• Here you find 9 models, 5 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Krizik, FR. A. S.; Praha