Difference between revisions of "JVC QL-A 7"

 
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__NOTOC__
 
__NOTOC__
== 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: QL-A 7
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* Model: QL-A 7
* Typ: Plattenspieler
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* Type: Record player
* Baujahre: 1978 - 1981
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* Years of manufacture: 1978 - 1981
* Hergestellt in: Japan
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* Made in: Japan
* Farbe: Schwarz
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* Color: Black
* Abmessungen (BxHxT): 461 x 165 x 403 mm
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* Dimensions (WxHxD): 461 x 165 x 403 mm
* Gewicht: 12 kg
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* Weight: 12 kg
* Neupreis ca.: 3'200 DM
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* Original price approx.: 1'200 DM
  
  
'''Anschlüsse'''
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'''Connections'''
* Ausgänge: ohne Tonzelle, nur Cinch-Kabel
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* Outputs: without sound cell, only Cinch cable
  
  
'''Technische Daten'''
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'''Technical data'''
* Antrieb: Quarz-Direktantrieb
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* Drive: Quartz direct drive
* Motor: FG detecting Coreless DC Servo
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* Motor: DC Servo
* Drehzahl: 33 1/3 U/min, 45 U/min
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* Speed: 33 1/3 rpm, 45 rpm
* Drehzahlregelung (Pitch): ± 6 Hz von 440Hz
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* Speed change: touch sensor
* Geschwindigkeitswechsel: Elektronisch
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* Start time: 1.4 seconds
* Startzeit: 0,6 Sekunden
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* Start torque: 1 kg / cm
* Start Drehmoment: 1,8 kg / cm
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* Stop time: < 1.6 second
* Stoppzeit: unter 1 Sekunde
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* Synchronous vibration: < 0,025% WRMS
* Gleichlaufschwankungen: < 0,02% WRMS
 
 
** Drehzahlabweichung bei Belastung: 0 % bis 120 g
 
** Drehzahlabweichung bei Belastung: 0 % bis 120 g
* Rumpelgeräuschabstand: über 75 dB (DIN-B)
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* Rumpelgeräuschabstand: >73 dB (DIN-B)
* Plattenteller: 316mm Aluminium-Legierung Druckguss
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* Turntable: 313 mm aluminum alloy die casting
** Plattenteller Gewicht: 2,05 kg
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* Turntable weight: 2.2 kg
* Betriebsart: Manuell
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* Operating mode: Semi-automatic with limit switch
* Tonarm: Statisch ausbalancierter Tonarm, J-förmige Röhre
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* Tonearm: Statically balanced tonearm, S-shaped tube
** Effektive Länge: 245 mm
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** Effective length: 245 mm
** Armhöhe verstellbar von: 40 - 60 mm
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** Arm height adjustable from: 40 - 60 mm
** Überhang: 15 mm
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** Overhang: 15 mm
** Spurfehlwinkel: +1°48' bis -1°31'
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** Track misalignment angle: +1°48' to -1°31'
** Auflagekraft: 0 bis 3 g
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** Tracking force: 0 to 3 g
** Tonabnehmergewicht: 12 - 32 g (inkl. Headshell)
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** Pickup weight: 14.5 - 23.5 g (incl. headshell)
* Tonabnehmer: ohne
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* Pickup: without
  
  
'''Besondere Ausstattungen'''
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'''Special Features'''
* Ölgedämpftes Tonarm-Hebewerk
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* Limit switch with auto lift / stop
* Anti-Skating-Einrichtung
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* Oil-damped tone arm lift
* Tonarmhöhenverstellung
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* Anti-skating device
* Höhenverstellbare, gummigelagerte Dämpfungsfüße
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* Tonearm height adjustment
 +
* Height-adjustable, rubber-mounted damping feet
  
  
== Bemerkungen ==
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== Notes ==
* Bester Plattenspieler der Jahre 1978-1981 von JVC/Victor in Europa
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* Other models in the same series:
* JVC QL-10 besteht aus den Komponenten:
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** [[JVC L-A 11]]
** Motorbasis TT-101
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** [[JVC L-A 55]]
** Tonarm UA-7045
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** [[JVC QL-F 4]]
** Zarge CL-P1
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** [[JVC QL-5]]
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** [[JVC QL-A 5]]
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** [[JVC QL-A 5 R]]
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** [[JVC QL-F 6]]
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** [[JVC QL-A 7]]
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** [[JVC QL-10]]
  
  
* Weitere Modelle der gleichen Serie:
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== Pictures ==
** JVC QL-10:
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* Extract from brochure: JVC QL-A 7
*** [[JVC QL-10|QL-10]]
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[[File:JVC QL-A 7-Prospekt-2.jpg]]
** JVC QL-8:
 
*** [[JVC QL-8|QL-8]]
 
** JVC QL-7 A:
 
*** [[JVC QL-7 A|QL-7 A]]
 
** JVC QL-7:
 
*** [[JVC QL-7|QL-7]]
 
** JVC QL-5:
 
*** [[JVC QL-5|QL-5]]
 
** JVC QL-F 4:
 
*** [[JVC QL-F 4|QL-F 4]]
 
** JVC QL-A 2:
 
*** [[JVC QL-A 2|QL-A 2]]
 
** JVC JL-F 30:
 
*** [[JVC JL-F 30|JL-F 30]]
 
** JVC JL-A 20:
 
*** [[JVC JL-A 20|JL-A 20]]
 
  
  
== Bilder ==
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== Reports ==
* Auszug aus Prospekt: JVC QL-10
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* Report from "Good Old Hifi": [[http://www.good-old-hifi.de/jvcl_ql-a7/]]
[[Datei:JVC QL-10-Prospekt-2.jpg]]
 
 
 
 
 
== Berichte ==
 
  
  
 
== Links ==
 
== Links ==
* Externer Link zur Webseite "The Vintage Knob": [[http://www.thevintageknob.org/jvc-QL-10.html]]
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* External link to "The Vintage Knob" website: [[http://www.thevintageknob.org/jvc-QL-7.html]]
 
 
* Externer Link: Beschreibung Motorbasis TT-101 auf der Webseite "The Vintage Knob": [[http://www.thevintageknob.org/jvc-TT-101.html]]
 
 
 
* Externer Link: Prospekt auf "Wegavision Pytalhost" [[http://wegavision.pytalhost.com/JVC/jvc80/jvc28.jpg]]
 
  
  
[[Kategorie:Plattenspieler]]
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[[Category:Turntables]]</0,025%>

Latest revision as of 04:51, 18 June 2019

Data[edit]

General

  • Manufacturer: JVC
  • Model: QL-A 7
  • Type: Record player
  • Years of manufacture: 1978 - 1981
  • Made in: Japan
  • Color: Black
  • Dimensions (WxHxD): 461 x 165 x 403 mm
  • Weight: 12 kg
  • Original price approx.: 1'200 DM


Connections

  • Outputs: without sound cell, only Cinch cable


Technical data

  • Drive: Quartz direct drive
  • Motor: DC Servo
  • Speed: 33 1/3 rpm, 45 rpm
  • Speed change: touch sensor
  • Start time: 1.4 seconds
  • Start torque: 1 kg / cm
  • Stop time: < 1.6 second
  • Synchronous vibration: < 0,025% WRMS
    • Drehzahlabweichung bei Belastung: 0 % bis 120 g
  • Rumpelgeräuschabstand: >73 dB (DIN-B)
  • Turntable: 313 mm aluminum alloy die casting
  • Turntable weight: 2.2 kg
  • Operating mode: Semi-automatic with limit switch
  • Tonearm: Statically balanced tonearm, S-shaped tube
    • Effective length: 245 mm
    • Arm height adjustable from: 40 - 60 mm
    • Overhang: 15 mm
    • Track misalignment angle: +1°48' to -1°31'
    • Tracking force: 0 to 3 g
    • Pickup weight: 14.5 - 23.5 g (incl. headshell)
  • Pickup: without


Special Features

  • Limit switch with auto lift / stop
  • Oil-damped tone arm lift
  • Anti-skating device
  • Tonearm height adjustment
  • Height-adjustable, rubber-mounted damping feet


Notes[edit]


Pictures[edit]

  • Extract from brochure: JVC QL-A 7

JVC QL-A 7-Prospekt-2.jpg


Reports[edit]

  • Report from "Good Old Hifi": [[1]]


Links[edit]

  • External link to "The Vintage Knob" website: [[2]]</0,025%>