Difference between revisions of "JVC KD-A 7"

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== Daten ==
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== Data ==
{{Navigation}}
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{{navigation}}
'''Allgemein:'''
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'''General:'''
* Hersteller: [[JVC]]
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* Manufacturer: [[JVC]]
* Modell: KD-A 7
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* Model: KD-A 7
* Typ: Stereo Kassetten-Deck
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* Type: Stereo cassette deck
* Baujahre: 1979 - 1982
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* Years of manufacture: 1979 - 1982
* Hergestellt in: Japan
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* Made in: Japan
* Farbe: Silber
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* Color: Silver
* Fernbedienung: R-30 E optional)
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* Remote control: R-30 E optional)
* Leistungsaufnahme: 40 Watt
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* Power consumption: 40 watts
* Abmessungen: (B x H x T): 450 x 120 x 311 mm
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* Dimensions: 450 x 120 x 311 mm (WxHxD)
* Gewicht: 8,3 Kg
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* Weight: 8.3 kg
* Neupreis ca.: 1'000 DM
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* Original price approx.: 1'150 DM
* Neupreis Fernbedienung R-30 E: 50 DM
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* New price remote control R-30 E: 50 DM
  
  
'''Anschlüsse:'''
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'''Connections:'''
* Eingangsbuchsen:  
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* Input sockets:  
** Mikrofonbuchse x 2  
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** Microphone jack x 2  
** Max Empfindlichkeit / Matching Impedanz: 0,2 mV (-72 dB) / 600 Ω - 10 k Ω  
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** Max sensitivity / matching impedance: 0.2 mV (-72 dB) / 600 Ω - 10 k Ω  
** Line-In-Buchse x 2  
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** Line In Jack x 2  
** Minute Eingangspegel / Impedanz: 78 mV (-20 dB) / 100 k Ω  
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** Minute Input Level / Impedance: 78 mV (-20 dB) / 100 k Ω  
* Ausgangsbuchsen:
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* Output jacks:
** Line-Out-Buchse x 2  
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** Line-out jack x 2  
** Ausgangspegel / Impedanz: 0 bis 300 mV / 3,7 k Ω  
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** Output level / impedance: 0 to 300 mV / 3.7 k Ω  
** Ausgangspegel / Impedanz: 0 - 0,5 mW / 8 Ω - 1 k Ω
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** Output level / impedance: 0 - 0.5 mW / 8 Ω - 1 k Ω
  
  
'''Technische Daten:'''
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'''Technical data:'''
* Tonköpfe:
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* Audio heads:
** 1x 2-SA (Sen-Legierung) Köpfe X-Schnitt-Kopf für die Aufnahme und Wiedergabe
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** 1x 2-SA (Sen alloy) heads X-cut head for recording and playback.
** 1x 2-Gap Kopf zum Löschen
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** 1x 2-Gap head for erasing
* Motoren: 1x FG Typ DC-Servomotor für Capstan, 1x DC-Motor für Reel
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* Motors: 1x FG type DC servo motor for capstan, 1x DC motor for reel.
* Bestückung:  
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* Assembly:  
** Halbleiter: 91 Transistoren;  
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** Semiconductors: 91 transistors;  
 
** 4-FETs; 53 ICs; 23 LEDs;  
 
** 4-FETs; 53 ICs; 23 LEDs;  
** 97 Dioden (11 Zener-Dioden); 1 Hall-Element
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** 97 diodes (11 Zener diodes); 1 Hall element
* Bandgeschwindigkeit: 4,8 cm/s
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* Belt speed: 4.8 cm/s
* Gleichlaufschwankungen: 0,035 % (WRMS); 0,12 % (DIN 45500)  
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* Synchronous fluctuations: 0.035 % (WRMS); 0.12 % (DIN 45500)  
* Bandarten: IV, II, I
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* Tape types: IV, II, I
* Frequenzgang: 0 dB=
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* Frequency response: 0 dB=
** Metallband: 40 - 12.500 Hz (± 1 dB)  
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** Metal band: 40 - 12,500 Hz (± 1 dB)  
** SA / Chrom-Band: 40 - 12.500 Hz (± 1 dB)  
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** SA / Chrome band: 40 - 12,500 Hz (± 1 dB)  
** SF / Normalband: 40 - 12.500 Hz (± 1 dB)
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** SF / Normal band: 40 - 12,500 Hz (± 1 dB)
* Bei -20 VU-Aufnahme:  
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* At -20 VU recording:  
** Metallband: 15 - 18.000 Hz [25 - 17.000 Hz (± 3 dB)]  
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** Metal band: 15 - 18,000 Hz [25 - 17,000 Hz (± 3 dB)]  
** SA / Chrom-Band: 15 - 18.000 Hz [25 - 17.000 (± 3 dB)]  
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** SA / Chrome band: 15 - 18,000 Hz [25 - 17,000 (± 3 dB)]  
** SF / Normalband: 15 - 17.000 Hz [25 - 16.000 Hz (± 3 dB)]  
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** SF / Normal band: 15 - 17,000 Hz [25 - 16,000 Hz (± 3 dB)]  
* Klirrfaktor: K3: 0,4 %; Klirrfaktor: 1,0 % (Metallband, 1 kHz)  
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* THD: K3: 0.4 %; THD: 1.0 % (metal band, 1 kHz)  
* Signalrauschabstand:
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* Signal-to-noise ratio:
** ANRS - OFF: 60 dB (gewichtet, 1 kHz, 3% THD, Metall-Band)  
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** ANRS - OFF: 60 dB (weighted, 1 kHz, 3% THD, metal band).
** ANRS- ON: Verbesserte um 5 dB bei 1 kHz und 10 dB bei 5 kHz
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** ANRS- ON: Improved by 5 dB at 1 kHz and 10 dB at 5 kHz
* Übersprechdämpfung: Kanaltrennung 35 dB (1 kHz)  
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* Crosstalk attenuation: Channel separation 35 dB (1 kHz)  
* Bias Frequenz: 85 kHz
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* Bias frequency: 85 kHz
* Umspulzeit (C-60): 85 s
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* Rewind time (C-60): 85 s
* Auto-Reverse: nein
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* Auto reverse: no
* Titelsuchlauf:  
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* Title search:  
* Dolby: ANRS- ON: Verbesserte um 5 dB bei 1 kHz und 10 dB bei 5 kHz
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* Dolby: ANRS- ON: Improved by 5 dB at 1 kHz and 10 dB at 5 kHz.
  
  
'''Besondere Ausstattungen:'''
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'''Special Features:'''
* ANRS und Super ANRS, siehe auch:
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* ANRS and Super ANRS, see also:
 
** [[ANRS]]
 
** [[ANRS]]
  
  
== Bemerkungen ==
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== Remarks ==
* Weitere Modelle der gleichen Serie:
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* Other models in the same series:
** [[JVC KD-A 11]]
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** [[JVC KD-A 1|KD-A 1]]
** [[JVC KD-A 33]]
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** [[JVC KD-A 2|KD-A 2]]
** [[JVC KD-D 2]]
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** [[JVC KD-A 3|KD-A 3]]
** [[JVC KD-D 3]]
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** [[JVC KD-A 5|KD-A 5]]
** [[JVC KD-D 4]]
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** [[JVC KD-A 6|KD-A 6]]
** [[JVC DD-5]]
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** [[JVC KD-A 7|KD-A 7]]
** [[JVC KD-A 66]]
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** [[JVC KD-A 8|KD-A 8]]
** [[JVC KD-A 7]]
 
** [[JVC KD-A 8]]
 
** [[JVC DD-7]]
 
** [[JVC DD-9]]
 
  
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== Pictures ==
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* Picture: JVC KD-A 7
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[[File:JVC KD-A 7-Prospekt-1.jpg|1500px]]
  
== Bilder ==
 
* Bild: JVC KD-A 7
 
[[Datei:Kd-a7.JPG|1000px]]
 
  
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* Excerpt from JVC brochure: JVC KD-A 7
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[[File:JVC KD-A 7-Prospekt-1.jpg|1500px]]
  
* Auszug aus JVC Prospekt:
 
[[Datei:JVC KD-A 7-Prospekt-1.jpg|1500px]]
 
  
 
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== Reports ==
== Berichte ==
 
  
  
Line 96: Line 91:
  
  
[[Kategorie:Kassettendecks]]
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[[Category:Cassette decks]]

Latest revision as of 17:39, 11 March 2020

Data[edit]

General:

  • Manufacturer: JVC
  • Model: KD-A 7
  • Type: Stereo cassette deck
  • Years of manufacture: 1979 - 1982
  • Made in: Japan
  • Color: Silver
  • Remote control: R-30 E optional)
  • Power consumption: 40 watts
  • Dimensions: 450 x 120 x 311 mm (WxHxD)
  • Weight: 8.3 kg
  • Original price approx.: 1'150 DM
  • New price remote control R-30 E: 50 DM


Connections:

  • Input sockets:
    • Microphone jack x 2
    • Max sensitivity / matching impedance: 0.2 mV (-72 dB) / 600 Ω - 10 k Ω
    • Line In Jack x 2
    • Minute Input Level / Impedance: 78 mV (-20 dB) / 100 k Ω
  • Output jacks:
    • Line-out jack x 2
    • Output level / impedance: 0 to 300 mV / 3.7 k Ω
    • Output level / impedance: 0 - 0.5 mW / 8 Ω - 1 k Ω


Technical data:

  • Audio heads:
    • 1x 2-SA (Sen alloy) heads X-cut head for recording and playback.
    • 1x 2-Gap head for erasing
  • Motors: 1x FG type DC servo motor for capstan, 1x DC motor for reel.
  • Assembly:
    • Semiconductors: 91 transistors;
    • 4-FETs; 53 ICs; 23 LEDs;
    • 97 diodes (11 Zener diodes); 1 Hall element
  • Belt speed: 4.8 cm/s
  • Synchronous fluctuations: 0.035 % (WRMS); 0.12 % (DIN 45500)
  • Tape types: IV, II, I
  • Frequency response: 0 dB=
    • Metal band: 40 - 12,500 Hz (± 1 dB)
    • SA / Chrome band: 40 - 12,500 Hz (± 1 dB)
    • SF / Normal band: 40 - 12,500 Hz (± 1 dB)
  • At -20 VU recording:
    • Metal band: 15 - 18,000 Hz [25 - 17,000 Hz (± 3 dB)]
    • SA / Chrome band: 15 - 18,000 Hz [25 - 17,000 (± 3 dB)]
    • SF / Normal band: 15 - 17,000 Hz [25 - 16,000 Hz (± 3 dB)]
  • THD: K3: 0.4 %; THD: 1.0 % (metal band, 1 kHz)
  • Signal-to-noise ratio:
    • ANRS - OFF: 60 dB (weighted, 1 kHz, 3% THD, metal band).
    • ANRS- ON: Improved by 5 dB at 1 kHz and 10 dB at 5 kHz
  • Crosstalk attenuation: Channel separation 35 dB (1 kHz)
  • Bias frequency: 85 kHz
  • Rewind time (C-60): 85 s
  • Auto reverse: no
  • Title search:
  • Dolby: ANRS- ON: Improved by 5 dB at 1 kHz and 10 dB at 5 kHz.


Special Features:

  • ANRS and Super ANRS, see also:


Remarks[edit]

Pictures[edit]

  • Picture: JVC KD-A 7

JVC KD-A 7-Prospekt-1.jpg


  • Excerpt from JVC brochure: JVC KD-A 7

JVC KD-A 7-Prospekt-1.jpg


Reports[edit]

Links[edit]