Difference between revisions of "Grundig TK 747"

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__NOTOC__
 
__NOTOC__
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== Daten ==
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== Data ==
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{{Navigation}}
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{{navigation}}
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'''Allgemein'''
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'''General'''
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* Hersteller: Grundig-Radiowerke mbH, Fürth
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* Manufacturer: [[Grundig]] AG, Fürth, Germany
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* Modell: TK 747 Hifi
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* Model: TK 747 Hifi
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* Baujahre: 1973-75
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* Type: Tape case
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* Hergestellt in: Fürth
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* Years of manufacture: 1975 - 1977
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* Farbe: schwarz
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* Manufactured in: Fürth, Germany
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* Fernbedienung:  
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* Color: Black
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* Spannungsversorgung: 110, 220V 50Hz
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* Remote control: footswitch 255 for start/stop
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* Leistungsaufnahme:  
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* Power supply
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* Abmessungen: 500 x 150 x 310 mm (BHT)
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** TK 747: 110 V, 220 V AC, 50 Hz
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* Gewicht: 12,0kg
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** TK 747 U: 110 V, 120 V, 220 V, 240 V, AC, 50 Hz/ 60 Hz
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* Neupreis ca.:
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* Power consumption: 55 watts
 +
* Dimensions: 500 x 152 x 310 mm (WHT)
 +
* Weight: 12,0 kg
 +
* Original price approx.: 950 DM
  
  
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'''Anschlüsse'''
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'''Connections'''
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* Anzahl der Ausgänge:
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* Number of outputs:
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** Ausgänge hier aufzählen
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** DIN: 2 x amplifier (combined with input radio) 800 mV at 20 kΩ.
 +
** DIN: 2 x loudspeakers each 7 W at 4 Ω (music power).
 +
** DIN: 1 x headphone (cube plug) 2 V at 100 Ω.
 +
* Number of inputs:
 +
** DIN: 2 x Micro 1 - 100 mV at 100 kΩ.
 +
** DIN: 2 radio 3 - 300 mV at 30 kΩ
 +
** DIN: 2 x Phono100 - 10,000 mV at 1 MΩ
 +
'''Technical Data'''
 +
* max. coil diameter: 18 cm
 +
* drive: 1 motor, belt drive
 +
* Heads: 3, 1 x record, 1 x playback, 1 x erase.
 +
* Tracks: 4 (quarter track)
 +
* Tape speeds
 +
** 4.75 cm/ s, 9.5 cm/ s, 19 cm/ s
 +
* Slip:
 +
* Synchronous fluctuations:
 +
* Pitch variations:
 +
** 4.75 cm/ s ≤ ± 0.2 %.
 +
** 9.5 cm/ s ≤ ± 0.12 %.
 +
** 19 cm/ s ≤ ± 0.07 %.
 +
* Overall frequency response:
 +
** 4.75 cm/ s: 30 Hz - 8,000 Hz.
 +
** 9.5 cm/ s: 30 Hz - 15,000 Hz
 +
** 19 cm/ s: 30 Hz - 18,000 Hz
 +
* Signal-to-noise ratio:
 +
* Extraneous voltage spacing:
 +
* Noise-to-noise ratio:
 +
** 4.75 cm/ s: > 57 dB
 +
** 9.5 cm/ s: > 60 dB
 +
19 cm/ s: > 62 dB
 +
* Distortion factor:
 +
* Equalization:
 +
* Crosstalk attenuation:
 +
* Cancellation attenuation:
 +
* Premagnetization and cancellation frequency:
 +
* Transistors.
 +
29 silicon, 4 germanium, 1 field effect transistor
 +
* Diodes
 +
** 20 silicon, 1 germanium diode, 1 rectifier
 +
* Fuses
 +
** 5 x 20 mm; 2 x 1 A slow blow; 1 x 0.8 A slow blow
 +
* Total playing time with a full coil 18 cm ø with mono
 +
**Long playing tape
 +
*** 4.75 cm/ s ∼ 12 hours, 9.5 cm/s ∼ 6 hours, 19 cm/s ∼ 3 hours
 +
**640 m duoband
 +
*** 4.75 cm/ s ∼ 14 hours, 9.5 cm/s ∼ 7 hours, 19 cm/s ∼ 3.5 hours
 +
**730 m duoband
 +
*** 4.75 cm/ s ∼ 16 hours, 9.5 cm/s ∼ 8 hours, 19 cm/s ∼ 4 hours
 +
* Rewind time
 +
** approx. 255 sec. for duoband 730 m on reel 18
 +
* Automatics
 +
** Leveling and switching off at the end of the tape
  
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* Anzahl der Eingänge:
 
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** Eingänge hier aufzählen
 
  
 +
'''Special Features'''
 +
* Horizontal/vertical operation, "keyholes" for hanging on the wall.
 +
* Tape tension control
 +
* Integrated stereo amplifier with two speakers
 +
* Smoked glass hood
  
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'''Technische Daten'''
 
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* max. Spulendurchmesser: 18cm
 
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* Antrieb: 1 Motor, Riemenantrieb
 
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* Köpfe: 2 Köpfe
 
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* Spuren: 4 (Viertelspur)
 
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* Bandgeschwindigkeiten: 4,75/9,5/19 cm/s
 
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* Schlupf:
 
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* Gleichlaufschwankungen:
 
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* Tonhöhenschwankungen:
 
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* Gesamtfrequenzgang:
 
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* Signalrauschabstand:
 
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* Fremdspannungsabstand:
 
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* Klirrfaktor:
 
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* Entzerrung:
 
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* Übersprechdämpfung:
 
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* Löschdämpfung:
 
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* Vormagnetisierungs- und Löschfrequenz:
 
  
 +
'''Accessories'''
 +
* Remote control: footswitch 225 for start/stop during recording/playback
 +
* Retrofit kit 137: Socket "Dia Slide", connection of a control unit for slide/slide film projection
 +
* Sonodia 272 a in combination with retrofit kit 137 to control the projector when dubbing slide series
 +
* Retrofit kit 132 to convert the unit to 60 Hz
 +
* Stereo microphone
 +
** GCMS 332 stereo condenser microphone
 +
* Mono microphones
 +
** GCM 319 Condenser Microphone
 +
** GDM 308 Dynamic switch microphone for start/stop remote control during recording/playback
 +
** GDM 314
 +
* Windscreen 404 for mono microphones when talking close-up
 +
* Microphone extension cable
 +
** Type 267 with intermediate transformer, 10 m long
 +
** Type 268 without intermediate transformer, 10 m long
 +
** Type 274 for GDSM 331, 10 m long
 +
** Type 291 for GCM 319 and GCMS 332, 10 m long
 +
* Stereo mixer 422
  
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'''Besondere Ausstattungen'''
 
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* Bandzugregelung
 
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* Integrierter Stereoverstärker mit zwei Lautsprechern
 
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* Rauchglashaube
 
  
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== Bemerkungen ==
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== Remarks ==
 +
* Other models of the same series:
 +
* [[Grundig TK 547]]
 +
* [[Grundig TK 747]]
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* [[Grundig TK 847]]
 +
* [[Grundig TK 850 FM]]
 +
* [[Grundig TS 1000]]
  
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== Bilder ==
 
  
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== Berichte ==
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== Pictures ==
 +
* Extract from brochure: Grundig TK 747
 +
[[File:Grundig TK-747-Prospekt-1.jpg]]
 +
 
 +
 
 +
== Reports ==
 +
 
  
 
== Links ==
 
== Links ==
  
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[[Kategorie:Bandmaschinen]]
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 +
[[Category:Tape machines]]

Latest revision as of 05:20, 28 April 2019

Data[edit]

General

  • Manufacturer: Grundig AG, Fürth, Germany
  • Model: TK 747 Hifi
  • Type: Tape case
  • Years of manufacture: 1975 - 1977
  • Manufactured in: Fürth, Germany
  • Color: Black
  • Remote control: footswitch 255 for start/stop
  • Power supply
    • TK 747: 110 V, 220 V AC, 50 Hz
    • TK 747 U: 110 V, 120 V, 220 V, 240 V, AC, 50 Hz/ 60 Hz
  • Power consumption: 55 watts
  • Dimensions: 500 x 152 x 310 mm (WHT)
  • Weight: 12,0 kg
  • Original price approx.: 950 DM


Connections

  • Number of outputs:
    • DIN: 2 x amplifier (combined with input radio) 800 mV at 20 kΩ.
    • DIN: 2 x loudspeakers each 7 W at 4 Ω (music power).
    • DIN: 1 x headphone (cube plug) 2 V at 100 Ω.
  • Number of inputs:
    • DIN: 2 x Micro 1 - 100 mV at 100 kΩ.
    • DIN: 2 radio 3 - 300 mV at 30 kΩ
    • DIN: 2 x Phono100 - 10,000 mV at 1 MΩ

Technical Data

  • max. coil diameter: 18 cm
  • drive: 1 motor, belt drive
  • Heads: 3, 1 x record, 1 x playback, 1 x erase.
  • Tracks: 4 (quarter track)
  • Tape speeds
    • 4.75 cm/ s, 9.5 cm/ s, 19 cm/ s
  • Slip:
  • Synchronous fluctuations:
  • Pitch variations:
    • 4.75 cm/ s ≤ ± 0.2 %.
    • 9.5 cm/ s ≤ ± 0.12 %.
    • 19 cm/ s ≤ ± 0.07 %.
  • Overall frequency response:
    • 4.75 cm/ s: 30 Hz - 8,000 Hz.
    • 9.5 cm/ s: 30 Hz - 15,000 Hz
    • 19 cm/ s: 30 Hz - 18,000 Hz
  • Signal-to-noise ratio:
  • Extraneous voltage spacing:
  • Noise-to-noise ratio:
    • 4.75 cm/ s: > 57 dB
    • 9.5 cm/ s: > 60 dB

19 cm/ s: > 62 dB

  • Distortion factor:
  • Equalization:
  • Crosstalk attenuation:
  • Cancellation attenuation:
  • Premagnetization and cancellation frequency:
  • Transistors.

29 silicon, 4 germanium, 1 field effect transistor

  • Diodes
    • 20 silicon, 1 germanium diode, 1 rectifier
  • Fuses
    • 5 x 20 mm; 2 x 1 A slow blow; 1 x 0.8 A slow blow
  • Total playing time with a full coil 18 cm ø with mono
    • Long playing tape
      • 4.75 cm/ s ∼ 12 hours, 9.5 cm/s ∼ 6 hours, 19 cm/s ∼ 3 hours
    • 640 m duoband
      • 4.75 cm/ s ∼ 14 hours, 9.5 cm/s ∼ 7 hours, 19 cm/s ∼ 3.5 hours
    • 730 m duoband
      • 4.75 cm/ s ∼ 16 hours, 9.5 cm/s ∼ 8 hours, 19 cm/s ∼ 4 hours
  • Rewind time
    • approx. 255 sec. for duoband 730 m on reel 18
  • Automatics
    • Leveling and switching off at the end of the tape


Special Features

  • Horizontal/vertical operation, "keyholes" for hanging on the wall.
  • Tape tension control
  • Integrated stereo amplifier with two speakers
  • Smoked glass hood


Accessories

  • Remote control: footswitch 225 for start/stop during recording/playback
  • Retrofit kit 137: Socket "Dia Slide", connection of a control unit for slide/slide film projection
  • Sonodia 272 a in combination with retrofit kit 137 to control the projector when dubbing slide series
  • Retrofit kit 132 to convert the unit to 60 Hz
  • Stereo microphone
    • GCMS 332 stereo condenser microphone
  • Mono microphones
    • GCM 319 Condenser Microphone
    • GDM 308 Dynamic switch microphone for start/stop remote control during recording/playback
    • GDM 314
  • Windscreen 404 for mono microphones when talking close-up
  • Microphone extension cable
    • Type 267 with intermediate transformer, 10 m long
    • Type 268 without intermediate transformer, 10 m long
    • Type 274 for GDSM 331, 10 m long
    • Type 291 for GCM 319 and GCMS 332, 10 m long
  • Stereo mixer 422


Remarks[edit]


Pictures[edit]

  • Extract from brochure: Grundig TK 747

Grundig TK-747-Prospekt-1.jpg


Reports[edit]

Links[edit]

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