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| − | __NOTOC__
| + | 1978, |
| − | == Data ==
| + | manueller Plattenspieler mit der Motoreinheit TT-71 |
| − | {{navigation}}
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| − | '''General'''
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| − | * Manufacturer: [[JVC]]
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| − | * Model: QL-7
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| − | * Type: Record player
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| − | * Years of manufacture: 1977 - 1981
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| − | * Made in: Japan
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| − | * Color: depending on the country of delivery wood or black
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| − | * Dimensions (WxHxD): 477 x 162 x 401 mm
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| − | * Weight: 10,8 kg
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| − | * Original price approx.: 998 DM
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| − | | + | http://img85.imageshack.us/img85/680/ql78pu.jpg |
| − | '''Connections'''
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| − | * Outputs: without sound cell, only Cinch cable
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| − | '''Technical data'''
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| − | * Drive: 2-speed quartz direct drive
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| − | * Motor: 12- pole, 24- slot DC- servo motor type FG
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| − | * Motor control: Quartz controlled
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| − | * Speed detection: Super servo frequency generator
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| − | * Turntable: 2,2 Kg, 31,3 cm
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| − | * Speeds: 33,33 and 45 rpm
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| − | * Speed variation: 0,025 % WRMS
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| − | * Speed deviation: 0,002 %.
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| − | * Rotation per hour: 0.0001 % / h
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| − | * Channel separation: 25 dB (1 khz)
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| − | * Signal to noise ratio: 74 dB
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| − | * Load resistance: 47- 100 kohm
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| − | * Tonearm: tracing hold system, static balance, new gimbal support
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| − | * Fast stop time: less than 1 revolution
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| − | * Effective tonearm length: 245 mm
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| − | * 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
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| − | == Remarks ==
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| − | * Oil-damped tonearm lever: yes
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| − | * Anti-skating device: yes
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| − | * Tonearm height adjustment: yes
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| − | == Remarks ==
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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]]
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| − | == Pictures ==
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| − | * Picture: JVC QL-7 with wooden frame
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| − | [[File:jvc_ql_7_.jpg|Beschreibung]]
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| − | * 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
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| − | ** Frame CL-P1 (depending on country)
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| − | == Links ==
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| − | * External link turntable to the website "The Vintage Knob": [http://www.thevintageknob.org/jvc-QL-7.html]
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| − | | |
| − | * External link "Motorbase TT-71" to "The Vintage Knob" website: [http://www.thevintageknob.org/jvc-TT-81.html]
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| − | [[Category:Turntables]]
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