Grundig TK 847

Data

General

• Manufacturer: Grundig-Radiowerke mbH, Fürth
• Model: TK 847 HiFi-Stereo
• Years of manufacture: 1975 - 1977
• Manufactured in: Fürth
• Color: Black
• Remote control: no
• Dimensions: 510 x 160 x 420 mm (WxHxD)
• Weight: 12.5 kg
• Original price approx.: 995 DM

Connections

• Number of inputs:
  • Microphone >= 2 x 1 mV/100 kOhm (DIN connector).

Record player >= 2 x 100 mV/1 MOhm (DIN connection)

• • Radio >= 2 x 3 mV/30 kOhm (DIN connector).
• Number of outputs:
  • Radio or amplifier >= 2 x 800 mV/ 20 kOhm (DIN connection).
  • Loudspeaker: 2 x 4 Ohm

Technical data

• Max. coil diameter: 18 cm
• Drive: Belt drive
• Heads: 3 heads
• Tracks: 4 (quarter track)
• Tape speeds: 4.75/ 9.5/ 19 cm/ s
• Slip:
• Synchronous speed fluctuations:
  • at 4.75 cm/ s: ± 0,2 %
  • at 9.5 cm/ s: ± 0,12 %
  • at 19 cm/ s: ± 0,07 %
• Pitch fluctuations:
• Overall frequency response:
  • at 4.75 cm/ s: 30 - 8,000 Hz
  • at 9.5 cm/ s: 30 - 15,000 Hz
  • at 19 cm/ s: 30 - 18,000 Hz
• Signal-to-noise ratio:
• extraneous signal-to-noise ratio:
  • at 4.75 cm/ s: 57 dB
  • at 9.5 cm/ s: 60 dB
  • at 19 cm/ s: 62 dB
• Distortion factor at 333 Hz and full scale: 3
• Equalization:
• Crosstalk attenuation at 1,000 Hz at opposite:
  • Dual track recording: 60

Stereo recording: 46

• Erase attenuation:
• Premagnetization and erasure frequency:

Special Features

• Integrated stereo amplifier with two loudspeakers, output power: 2 x 7 Watt
• Automatic level control, can be switched off
• Tape end switch-off via spliced-in metal tape strip
• Third head slide control with Sono-Dia control unit
• Smoked glass hood and carrying handle

Remarks

• Back tape control only possible with mono operation!
• Identical in construction with:
• Grundig TK 845

• Other models of the same series:
• Grundig TK 545
• Grundig TK 547
• Grundig TK 745
• Grundig TK 747
• Grundig TK 847
• Grundig TK 850 FM
• Grundig TS 1000

Pictures

• Picture: Grundig TK 847

• Excerpt from brochure: Grundig TK 847