• Country
• Japan

• Manufacturer / Brand
• Panasonic, Matsushita, National ナショナル (also tubes); Osaka

• Year
• 1970–1976

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 138894

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

• Number of Transistors
• 7

• Semiconductors
• 2SA103 2SA102 2SA102 2SB173 2SB175 2SB324 2SB324 1N60

• Main principle
• Superheterodyne (common); ZF/IF 450 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / AA: 4 x 1.5 / DC: 6; 12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm

• Power out
• 0.4 W (max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: National Solid State Portable Car Radio CR-311EN - Panasonic, Matsushita,

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

• Dimensions (WHD)
• 8.25 x 2.33 x 7.1 inch / 210 x 59 x 180 mm

• Notes

• National Model CR-311EN

  A portable car radio complete with locking cradle for underneath mounting.

  Features: polarity and voltage changes (6/12 V DC) are built in for easy adaption to any car. The solid-state unit, which operates when portable on 4 x UM3 (AA) batteries, has tone switch and clear easy to read dial. Maximum output 1.7 W when installed in car. An optional speaker can be provided if required. (FROM MINGAY'S PRICE SERVICE)

  Frequency range: 535 - 1605 kHz

  Power Output:
  Portable radio: 400 mW max.
  Car radio 6 V internal speaker: 300 mW max.
  Car radio 6 V external speaker: 1 W max.
  Car radio 12 V internal speaker: 400 mW max.
  Car radio 12 V external speaker: 1.7 mW max.

  Made in Japan 502

• Net weight (2.2 lb = 1 kg)
• 2.9 lb (2 lb 14.4 oz) / 1.317 kg

• Price in first year of sale
• 78.00 AUS $

• Mentioned in
• Mingay's News (1969-1974) and Mingay's (end 1974) (New Products, 8/4/1971.)

• Literature/Schematics (1)
• -- Original-techn. papers. (Order No. APCI-2033, dated 1970.)

• Literature/Schematics (2)
• J.R. Publications Car Radio Service Handbook (Group 8, 1974, Page N12.)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 3289 models, 3084 with images and 720 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Panasonic, Matsushita, National ナショナル (also tubes); Osaka