General Coverage Receiver GR-78

Heathkit (Brand), Heath Co.; Benton Harbor (MI)

Data
Forum
Pictures
Collections

  • Year
  • 1969–1976
  • Category
  • Amateur-Receiver (amateur bands, may include broadcast bands)
  • Radiomuseum.org ID
  • 79932
    • alternative name: Heath Company

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

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superhet, double/triple conversion; ZF/IF 455/4034 kHz
  • Wave bands
  • Broadcast, Long Wave and more than two Short Wave bands.
  • Power type and voltage
  • Line / Storage batteries (perhaps also batteries) / 110; 220 / 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 cm = 3.1 inch
  • Power out
  • 0.3 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: General Coverage Receiver GR-78 - Heathkit Brand, Heath Co.;
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 287 x 156 x 215 mm / 11.3 x 6.1 x 8.5 inch
  • Notes
  • Heathkit Communications-Receiver GR-78.
    Frequency range: 200-400 kHz, 550-1300 kHz, 1.3-3.0 MHz, 3.0-7.5 MHz, 7.5-18 MHz, 18-30 MHz; Modes: AM, CW, SSB (BFO); built in 9-V-NiCad-Battery; external power supply 12-15 VDC possible.
    In Germany price kitform 675 DM, ready for use 945 DM.
  • Net weight (2.2 lb = 1 kg)
  • 5 kg / 11 lb 0.2 oz (11.013 lb)
  • Price in first year of sale
  • 142.00 $
  • Mentioned in
  • -- Original-techn. papers. (Heathkit Katalog 1971/72 (DL))

 Collections | Museums | Literature

Collections

The model General Coverage Receiver is part of the collections of the following members.

Literature

The model General Coverage Receiver is documented in the following literature.

 Forum