• Year
  • 1960
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 151514

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

 Technical Specifications

  • Number of Transistors
  • 3
  • Main principle
  • Audio-Amplification; 2 AF stage(s)
  • Wave bands
  • - without
  • Details
  • Record Player (not changer)
  • Power type and voltage
  • Storage and/or dry batteries / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.5 inch = 6.4 cm
  • Power out
  • 0.1 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Wondergram - Emerson Electronics Ltd;
  • Shape
  • Miscellaneous shapes - described under notes.
  • Dimensions (WHD)
  • 8 x 4 x 2 inch / 203 x 102 x 51 mm
  • Notes
  • Anodized aluminum lid and chassis, with black plastic body cover. Right side of lid splits into tone arm. Record motion through one of two idler wheels under record for 45rpm and 33rpm. The 45rpm wheel is slightly recessed so that only the 45 record touches it. The 33rpm wheel sits further out and is more prominent so only the 33rpm record touches it. Speaker faces down, and 3 legs fold out to elevate case and let speaker radiate. Tone arm activates motor. Shipped in red cardboard box with lettering. Made in England.
  • Net weight (2.2 lb = 1 kg)
  • 1 kg / 2 lb 3.2 oz (2.203 lb)
  • Author
  • Model page created by Joe Sousa. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

The model Wondergram is part of the collections of the following members.

 Forum

Forum contributions about this model: Emerson Electronics: Wondergram

Threads: 1 | Posts: 1

The WWW indicates this model as "Made in England by Baird Ltd." and exported to US by Emerson US.

W.S.

Wolfgang Scheida, 21.May.09

Weitere Posts (1) zu diesem Thema.