• Country
• Brazil

• Manufacturer / Brand
• Philips do Brasil S.A.

• Year
• 1959

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 139208

• Number of Transistors
• 7

• Semiconductors
• OC170 OC45 OC45 OC71 OC71 OC72 OC72 OA85 OA81

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 9 AM circuit(s)

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Dry Batteries / 6 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: B4-R78-T - Philips do Brasil S.A.

• Notes
• Seven transistors and two diodes

• Author
• Model page created by Meyer Rochwerger. See "Data change" for further contributors.

• Other Models

• Here you find 163 models, 122 with images and 148 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips do Brasil S.A.