Difference between revisions of "JVC QL-7"

 
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== Daten ==
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== Data ==
'''''JVC Stereo- Plattenspieler QL-7'''''
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{{navigation}}
{{Navigation}}
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'''General'''
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* Manufacturer: [[JVC]]
 +
* Model: QL-7
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* Type: Record player
 +
* Years of manufacture: 1977 - 1981
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* Made in: Japan
 +
* Color: depending on the country of delivery wood or black
 +
* Dimensions (WxHxD): 477 x 162 x 401 mm
 +
* Weight: 10,8 kg
 +
* Original price approx.: 998 DM
  
  
'''Allgemein:'''
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'''Connections'''
* Hersteller: [[JVC]] (Japan)
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* Outputs: without sound cell, only Cinch cable
* Modell: QL-7
 
* Abmessungen: 162 x 477 x 401 mm (HxBxT)
 
* Strom: 220 V, 50 Hz, 15 Watt
 
* Gewicht: 10.8 kg
 
* Baujahr: 1977
 
  
  
== Beschreibung: ==
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'''Technical data'''
* Die JVC QL-7 ist ein 2- Gang-, Quarz- locked, Direktantrieb,
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* Drive: 2-speed quartz direct drive
** integrierte Drehteller- System mit Einbau Tonarm.
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* Motor: 12- pole, 24- slot DC- servo motor type FG
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* Motor control: Quartz controlled
 +
* Speed detection: Super servo frequency generator
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* Turntable: 2,2 Kg, 31,3 cm
 +
* Speeds: 33,33 and 45 rpm
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* Speed variation: 0,025 % WRMS
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* Speed deviation: 0,002 %.
 +
* Rotation per hour: 0.0001 % / h
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* Channel separation: 25 dB (1 khz)
 +
* Signal to noise ratio: 74 dB
 +
* Load resistance: 47- 100 kohm
 +
* Tonearm: tracing hold system, static balance, new gimbal support
 +
* Fast stop time: less than 1 revolution
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* Effective tonearm length: 245 mm
 +
* Overhang: 15 mm
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* Tracking force: 0 to 3 g
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* Permissible cartridge weight with carrier: 14.5- 23.5 g
  
  
== Technische Daten:==  
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== Remarks ==
* Typ: Direktantrieb
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* Oil-damped tonearm lever: yes
* Motor: 12- polig, 24- Schlitz- DC- Servomotor Typ FG
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* Anti-skating device: yes
* Motorsteuerung: Quarz gesteuert
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* Tonearm height adjustment: yes
* Drehzahlerfassung: super Servo-Frequenzgenerator
 
* Plattenteller: 2,2 Kg, 31,3 cm
 
* Geschwindigkeiten: 33,33 und 45 U/ min
 
* Gleichlaufschwankungen: 0,025 % WRMS
 
* Geschwindigkeitsabweichung: 0,002 %
 
* Dreft pro Stunde: 0,0001 % / h
 
* Kanaltrennung: 25 dB (1 khz)
 
* Signal-Rauschabstand: 74 dB
 
* Lastwiederstand: 47- 100 kohm
 
* Tonarm: Tracing Haltesystem, statische Balance, neue Kardan-Unterstützung
 
* Schnellstopzeit: unter 1 Umdrehung
 
* Effektive Tonarmlänge: 245 mm
 
* Überhang: 15 mm
 
* Auflagekraft: 0 bis 3 g
 
* zulässiges Tonabnehmergewicht mit Träger: 14,5- 23,5 g
 
  
== Bemerkungen ==
 
* Ölgedämpftes Tonarm-Hebewerk: ja
 
* Anti-Skating-Einrichtung: ja
 
* Tonarmhöhenverstellung: ja
 
  
== Bilder ==
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== Remarks ==
[[Datei:jvc_ql_7_.jpg|Beschreibung]]
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* Other models in the same series:
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* [[JVC JL-A 20]]
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* [[JVC JL-F 30]]
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* [[JVC JL-A 40]]
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* [[JVC JL-F 50]]
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* [[JVC QL-5]]
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* [[JVC QL-7]]
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* [[JVC QL-8]]
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* [[JVC QL-10]]
  
  
== Berichte ==
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== Pictures ==
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* Picture: JVC QL-7 with wooden frame
 +
[[File:jvc_ql_7_.jpg|Beschreibung]]
 +
 
 +
 
 +
* Extract from brochure: JVC QL-7
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[[File:JVC QL-7-Prospekt-2.jpg]]
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 +
 
 +
== Reports ==
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* JVC QL-7 consists of the components:
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** Motor base TT-71
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** Tonearm variable, e.g. UA-5045
 +
** Frame CL-P1 (depending on country)
 +
 
  
 
== Links ==
 
== Links ==
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* External link turntable to the website "The Vintage Knob": [http://www.thevintageknob.org/jvc-QL-7.html]
 +
 +
* External link "Motorbase TT-71" to "The Vintage Knob" website: [http://www.thevintageknob.org/jvc-TT-81.html]
 +
  
[[Kategorie:Plattenspieler]]
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[[Category:Turntables]]

Latest revision as of 09:23, 2 January 2021

Data[edit]

General

  • Manufacturer: JVC
  • Model: QL-7
  • Type: Record player
  • Years of manufacture: 1977 - 1981
  • Made in: Japan
  • Color: depending on the country of delivery wood or black
  • Dimensions (WxHxD): 477 x 162 x 401 mm
  • Weight: 10,8 kg
  • Original price approx.: 998 DM


Connections

  • Outputs: without sound cell, only Cinch cable


Technical data

  • Drive: 2-speed quartz direct drive
  • Motor: 12- pole, 24- slot DC- servo motor type FG
  • Motor control: Quartz controlled
  • Speed detection: Super servo frequency generator
  • Turntable: 2,2 Kg, 31,3 cm
  • Speeds: 33,33 and 45 rpm
  • Speed variation: 0,025 % WRMS
  • Speed deviation: 0,002 %.
  • Rotation per hour: 0.0001 % / h
  • Channel separation: 25 dB (1 khz)
  • Signal to noise ratio: 74 dB
  • Load resistance: 47- 100 kohm
  • Tonearm: tracing hold system, static balance, new gimbal support
  • Fast stop time: less than 1 revolution
  • Effective tonearm length: 245 mm
  • Overhang: 15 mm
  • Tracking force: 0 to 3 g
  • Permissible cartridge weight with carrier: 14.5- 23.5 g


Remarks[edit]

  • Oil-damped tonearm lever: yes
  • Anti-skating device: yes
  • Tonearm height adjustment: yes


Remarks[edit]


Pictures[edit]

  • Picture: JVC QL-7 with wooden frame

Beschreibung


  • Extract from brochure: JVC QL-7

JVC QL-7-Prospekt-2.jpg


Reports[edit]

  • JVC QL-7 consists of the components:
    • Motor base TT-71
    • Tonearm variable, e.g. UA-5045
    • Frame CL-P1 (depending on country)


Links[edit]

  • External link turntable to the website "The Vintage Knob": [1]
  • External link "Motorbase TT-71" to "The Vintage Knob" website: [2]