Grundig TK 845 specifications

Category : Tape machines

Brand : Grundig

Grundig Stereo tape recorder TK 845

General

Connections

Tech nical data

Special equipment

• Number of outputs:
  • Radio or amplifier >= 2 x 800 mV/ 20 kOhm (DIN connection)
  • Speaker: 2 x 4 ohms

• Radio or amplifier >= 2 x 800 mV/ 20 kOhm (DIN connection)
• Speaker: 2 x 4 ohms

• Number of inputs:
  • Microphone >= 2 x 1 mV/ 100 kOhm (DIN- Connection)
  • Turntable >= 2 x 100 mV/ 1 mOhm (DIN connection)
  • Radio >= 2 x 3 mV/ 30 kOhm (DIN connection)

• Microphone >= 2 x 1 mV/ 100 kOhm (DIN connection)
• Turntable >= 2 x 100 mV/ 1 mOhm (DIN connection)
• Radio >= 2 x 3 mV/ 30 kOhm (DIN connection)

• Max. Coil diameter: 18cm
• Drive: Belt drive
• Heads: 3 heads
• Tracks: 4 (quarter track)
• Belt Speeds: 4,75/ 9,5/ 19 cm/ s
• Slip:
• Synchronism fluctuations:
  • at 4.75 cm/s: ±0,2 %
  • at 9.5cm/s: ±0,12 %
  • at 19 cm/s: ±0,07 %
• Pitch variations:
• Total 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:
• External voltage ratio:
  • at 4.75 cm/ s: 50 dB
  • at 9.5 cm/ s: 52 dB
  • at 19 cm/ s: 54 dB
• Total harmonic distortion at 333 Hz and full level control: 3%
• Equalization:
• Crosstalk attenuation at 1,000 Hz with opposite direction:
  • Double track recording: 60
  • Stereo recording: 46
• Cancellation attenuation:
• Pre-magnetization and cancellation frequency:

• at 4.75 cm/ s: ±0,2 %
• at 9.5cm/s: ±0,12 %
• at 19 cm/s: ±0,07 %

• 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

• at 4.75 cm/ s: 50 dB
• at 9.5 cm/ s: 52 dB
• at 19 cm/ s: 54 dB

• Double track recording: 60
• Stereo recording: 46

• Integrated stereo amplifier with two speakers, output power: 2 x 7 watts
• Automatic level control, can be switched off
• Metal tape strip
• Third head slide control with Sono-Dia control unit
• Smoke glass hood and carrying handle

• Rear tape control only possible in mono operation!
• Identical to:
• Grundig TK 847

• Other models of the same series:
• Grundig TK 545
• Grundig TK 745
• Grundig TK 845

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• Very rich sound, but the drive is quite loud and rough

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