Transistor 305 TR305

• Country
• Germany

• Manufacturer / Brand
• Grundig (Radio-Vertrieb, RVF, Radiowerke); Fürth/Bayern

• Year
• 1970

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 133136

• • alternative name: Grundig Portugal || Grundig USA / Lextronix

• Picture
• Schematics

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

• Number of Transistors
• 9

• Semiconductors
• AF178 or. AF106 AF124 or. AF125 AF121 AF126 AF126 AC151 AC151 AC117 or. AC178 AC175 or. AC179 1N60 or. AA130 AA116 AA116 G580

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz; Export model

• Tuned circuits
• 7 AM circuit(s)     10 FM circuit(s)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Dry Batteries / 2 × 4,5 Volt

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

• Power out
• 1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Transistor 305 TR305 - Grundig Radio-Vertrieb, RVF,

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 275 x 190 x 73 mm / 10.8 x 7.5 x 2.9 inch

• Notes
• Das Modell "Grundig Transistor 305" kann auch mit einem externen Netzgerät, 9 Volt, betrieben werden.
  Zwei Versionen bekannt:
  Gerät mit Tastenbezeichnung U & M, UKW bis 108 MHz und Merkskala 0 - 100 (Kanalskala 2 - 55) sowie ausgeschriebene MW Radiostationen.
  Weiteres Modell mit FM AM beschriftet, FM bis 108 MHz und Kanalskala 200 - 300, AM nur Frequenzangaben - Exportgerät.
  There are two versions known: German domestic one with European AM scale and FM up to 108 MHz with channels 2 - 55, export version labeled FM AM with US FM channel scale 200 - 300.

• Net weight (2.2 lb = 1 kg)
• 1.8 kg / 3 lb 15.4 oz (3.965 lb)

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

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 6212 models, 5442 with images and 4208 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grundig (Radio-Vertrieb, RVF, Radiowerke); Fürth/Bayern