• Country
• Austria

• Manufacturer / Brand
• Philips - Österreich

• Year
• 1940 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 85326

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

• Number of Tubes
• 5

• Valves / Tubes
• EF6 ECH4 4699 4699 4652

• Main principle
• Audio-Amplification

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 145; 220; 245 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 25 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Kraftverstärker 25 Watt 2548 - Philips - Österreich

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 335 x 190 x 150 mm / 13.2 x 7.5 x 5.9 inch

• Notes
• Eingangswiderstand und Eingangsspannung: Mi 1 MOhm (2mV), To 0,5 MOhm (100mV), Brummpegel (Na max. -50 bis -60 dB, Rundfunkteil für Mittelwelle eingebaut, Summenregler, Tonblende. Im Elektron Kalender 1950 wird anstatt der Gleichrichterröhre 4652 die AX1 genannt.

• Net weight (2.2 lb = 1 kg)
• 9 kg / 19 lb 13.2 oz (19.824 lb)

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Elektron Kalender 1950 (Österreich)

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Wolfgang Bauer. See "Data change" for further contributors.

• Other Models

• Here you find 1073 models, 1007 with images and 853 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips - Österreich