Grundig TK 23

Data

General

• Manufacturer: Grundig-Radiowerke mbH, Fürth
• Model: TK 23, TK 23 Automatic, TK 23 L Automatic
• Type: Tape machine
• Years of manufacture
  • TK 23: 1962 - 1963
  • TK 23 Automatic: 1964
  • TK 23 L Automatic: 1965 - 1966
• Manufactured in: Fuerth
• Colour: blue-grey, grey
• Remote control: no
• Power supply: 110, 130, 220, 240 V, 50 Hz
• with U version: 50 or 60 Hz switchable
• Power consumption: 45 Watt
• Dimensions: 340 x 170 x 270 mm (WxHxD)
• Weight: 10 kg
• Original price approx.: 449 DM

Connections

• Number of outputs: 3
  • Loudspeaker 4 W / 5 Ohm (mono)
  • Radio/amplifier 700 mV / 15 kOhm
  • Headphones approx. 14 V / 220 kOhm

• Number of inputs: 3
  • Microphone 2 mV / 0,5 MOhm
  • Phono 100 mV / 1 MOhm
  • Radio/ Line-In 4 mV / 50 KOhm

Technical Data

Tape Machine

• Max. Spool diameter: 15 cm
• Drive: 1 motor, belt drive
• Heads: 2
• Tracks: 4, quarter track mono
• Tape speeds: 9.5 cm/s
• Slip:
• Speed variations:
• Pitch fluctuations: 0.2 %
• Overall frequency response: 40- 12,000 Hz
• Signal-to-noise ratio:
• Spurious signal-to-noise ratio:
• Distortion factor:
• Equalization:
• Crosstalk attenuation:
• Cancellation attenuation:
• Premagnetization and extinction frequency:

Tubes

• Number of tubes: 3
  • ECC 83
  • ECL 86
  • EM 84

Special Features

• One power amplifier with loudspeaker
• U models: extended mains voltage and frequency selection
• Extinction display with magic eye
• Tape length counter

Remarks

• Other models of the same series:
• Grundig TK 14
• Grundig TK 17
• Grundig TK 18
• Grundig TK 19
• Grundig TK 27

Pictures

• Excerpt from advertisement: Grundig TK-23 L