Solid-State AM Table Radio GR-28
Heathkit (Brand), Heath Co.; Benton Harbor (MI)
- Country
- United States of America (USA)
- Manufacturer / Brand
- Heathkit (Brand), Heath Co.; Benton Harbor (MI)
- Year
- 1970
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 367682
-
- alternative name: Heath Company
Heathkit 1970 Winter cat page 30
- Number of Transistors
- 7
- Semiconductors
- Main principle
- Superheterodyne (common); ZF/IF 455 kHz
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 105-125 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
- Power out
- 0.8 W (undistorted)
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: Solid-State AM Table Radio GR-28 - Heathkit Brand, Heath Co.;
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 10 x 5.25 x 4.875 inch / 254 x 133 x 124 mm
- Notes
-
GR-28. Seven transistor, three diode circuit for cool operation and top performance • Automatic Gain Control for constant AM volume • Excellent sensitivity • Full wave transformer power supply eliminates hum • Bright, clear sound from the 3 x 5" speaker • Designer styled in gold and brown you can even add your own grille cloth • Fast, enjoyable assembly • An ideal "first kit"
GR-28 SPECIFICATI ONS:
Tuning Range: 535-1605 kHz. Intermediate Frequency 455 kHz.
Sensitivity: Better than 100 uV/meter for 10 dB signal-to-noise ratio or 280 uV/rneter for
20 dB signal-to-noise ratio.
Audio Output Power: 0.8 watt (800 milliwatts).
Speaker: 3 x 5" oval, 1 oz permanent magnet, 40 ohm voice coil. Power Requirements: 105-125 VAC, 50-60 Hz, 3 watts.
- Net weight (2.2 lb = 1 kg)
- 3 lb (3 lb 0 oz) / 1.362 kg
- Price in first year of sale
- 24.95 USD
- Mentioned in
- -- Original prospect or advert (Heathkit 1970 Winter cat page 30)
- Author
- Model page created by Glen Orriss. See "Data change" for further contributors.
- Other Models
-
Here you find 775 models, 758 with images and 515 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Heathkit (Brand), Heath Co.; Benton Harbor (MI)