Roto-Tenna 600 (Charcoal) 66L1 Ch= HS-515

Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)

  • Year
  • 1955 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 81765

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Line / Batteries (any type) / AC/DC 110-120 / 9 & 90 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Roto-Tenna 600 66L1 Ch= HS-515 - Motorola Inc. ex Galvin Mfg.Co
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • Selenium Rectifier. Sams photofact set 338 folder 7 date 11-56 featueres the Motorola models 66L1 and 66L2 as the same schematic. See here about Tinkertoy technique. The Beitman R-18 shows the following models with the chassis HS-559: 5P31A, 5P32C, 5P32E, 5P32R and 5P32Y but also 5P33EW, 5P33VW and 5P33W for chassis HS-561. See also 66L1 and 66L2 with Tinkertoy technique.

  • Circuit diagram reference
  • Beitman Radio Diagrams Vol. 16, 1956
  • Author
  • Model page created by Egon Penker. See "Data change" for further contributors.

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