Difference between revisions of "JVC QL-7"
| (One intermediate revision by the same user not shown) | |||
| Line 1: | Line 1: | ||
__NOTOC__ | __NOTOC__ | ||
| − | == | + | == Data == |
| − | {{ | + | {{navigation}} |
| − | ''' | + | '''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- | + | * 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 | + | * 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 == |
| − | * | + | * Oil-damped tonearm lever: yes |
| − | * Anti- | + | * Anti-skating device: yes |
| − | * | + | * Tonearm height adjustment: yes |
| − | == | + | == Remarks == |
| − | * JVC | + | * Other models in the same series: |
| − | ** | + | * [[JVC JL-A 20]] |
| − | ** | + | * [[JVC JL-F 30]] |
| − | ** | + | * [[JVC JL-A 40]] |
| + | * [[JVC JL-F 50]] | ||
| + | * [[JVC QL-5]] | ||
| + | * [[JVC QL-7]] | ||
| + | * [[JVC QL-8]] | ||
| + | * [[JVC QL-10]] | ||
| − | + | == Pictures == | |
| − | * | + | * Picture: JVC QL-7 with wooden frame |
| − | + | [[File:jvc_ql_7_.jpg|Beschreibung]] | |
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | + | * Extract from brochure: JVC QL-7 | |
| − | * | + | [[File:JVC QL-7-Prospekt-2.jpg]] |
| − | [[ | ||
| − | * | + | == Reports == |
| − | + | * JVC QL-7 consists of the components: | |
| − | + | ** Motor base TT-71 | |
| − | + | ** Tonearm variable, e.g. UA-5045 | |
| − | + | ** Frame CL-P1 (depending on country) | |
== Links == | == Links == | ||
| − | * | + | * 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] |
| − | [[ | + | [[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]
- Other models in the same series:
- JVC JL-A 20
- JVC JL-F 30
- JVC JL-A 40
- JVC JL-F 50
- JVC QL-5
- JVC QL-7
- JVC QL-8
- JVC QL-10
Pictures[edit]
- Picture: JVC QL-7 with wooden frame
- Extract from brochure: JVC QL-7
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]