Difference between revisions of "JVC QL-A5"
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| − | '''''JVC | + | '''''JVC semi-automatic record player QL-A5''''' |
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| − | ''' | + | '''General:''' |
| − | * | + | * Manufacturer: [[JVC]] (Japan) |
| − | * | + | * Type: Semi-automatic (tonearm retracts automatically, unit then switches off) |
| − | * | + | * Power supply: 220 V, 50 Hz, 9,5 Watt (Europe) |
| − | * | + | * Size: 43,8 x 13,1 x 38,0 cm (WxHxD) |
| − | * | + | * Weight: 6,5 Kg |
| − | * | + | * Year of manufacture: 1979 - 1981 |
| − | * | + | * Color: silver |
| + | * New price: about 500, - DM ( who knows it better, please change ) | ||
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| − | |||
| − | |||
| − | + | '''Technical data:''' | |
| + | * Motor: Quartz-locked core-less direct current servo motor with frequency generator | ||
| + | * Drive system: Direct drive, | ||
| + | * Speeds: 33.3 and 45 rpm | ||
| + | * Control range: ± 6 | ||
| + | * Synchronisation fluctuations: 0.025 % (WRMS) | ||
| + | * Interference voltage distance: >75 dB (DIN B) | ||
| + | * Starting torque: 650 g-cm | ||
| + | * Speed deviation: within 0.002 % * Drift per hour: 0.005 % (WRMS) | ||
| + | * Drift per hour: 0.0001 %/ h | ||
| + | * Turntable: 30,8 cm | ||
| + | * Output: fixed RCA cable with ground | ||
| + | * Cartridge: | ||
| + | ** Z-4S: 3 mV (1 khz, 50 mm/ s) | ||
| + | ** Z-1S: 4 mV ... | ||
| + | * Accessories: single puck and needle protection cap | ||
| − | == | + | |
| + | '''Tonearm:''' | ||
| + | Type: TH tonearm (S-shaped tubular tonearm) | ||
| + | Effective length: 220 mm | ||
| + | ** Overhang: 15 mm | ||
| + | * Permissible pickup weight: 12.5 - 18.5 g (including system carrier) | ||
| + | * pickup: Z-1S (MM) 10 - 25.000 Hz, powerful bass (picture 1) | ||
| + | * Pickup: Z-4S (MM) 10 - 25,000 Hz (picture 3) | ||
| + | * Optimal contact pressure: 1.5- 2.0 g | ||
| + | |||
| + | |||
| + | == Remarks == | ||
| + | * even after 35 years it still runs perfectly, | ||
| + | ** Only a small foam rubber part, which was totally rotten, had to be replaced by a felt strip. | ||
| + | **Hinge housings tend to burst due to age related material fatigue. Repair instructions as well as new hinges are available online at widely varying prices. | ||
| + | * A panel weight is recommended, be sure to note the height, | ||
| + | ** so that the weight does not drag on the closed lid, ( Ebay from 25, - Euro ) | ||
| + | |||
| + | |||
| + | |||
| + | == Pictures == | ||
| + | |||
| + | [[File:JVC_QL_A5.jpg|Beschreibung]] | ||
| + | |||
| + | [[File:JVC_QL_A5_x.jpg|Beschreibung]] | ||
| + | |||
| + | [[File:JVC_QL_A5e.jpg|Beschreibung]] | ||
| + | |||
| + | == Reports == | ||
== Links == | == Links == | ||
| − | [[ | + | [[Category:Turntables]] |
Latest revision as of 03:48, 6 May 2021
Data[edit]
JVC semi-automatic record player QL-A5
General:
- Manufacturer: JVC (Japan)
- Type: Semi-automatic (tonearm retracts automatically, unit then switches off)
- Power supply: 220 V, 50 Hz, 9,5 Watt (Europe)
- Size: 43,8 x 13,1 x 38,0 cm (WxHxD)
- Weight: 6,5 Kg
- Year of manufacture: 1979 - 1981
- Color: silver
- New price: about 500, - DM ( who knows it better, please change )
Technical data:
- Motor: Quartz-locked core-less direct current servo motor with frequency generator
- Drive system: Direct drive,
- Speeds: 33.3 and 45 rpm
- Control range: ± 6
- Synchronisation fluctuations: 0.025 % (WRMS)
- Interference voltage distance: >75 dB (DIN B)
- Starting torque: 650 g-cm
- Speed deviation: within 0.002 % * Drift per hour: 0.005 % (WRMS)
- Drift per hour: 0.0001 %/ h
- Turntable: 30,8 cm
- Output: fixed RCA cable with ground
- Cartridge:
- Z-4S: 3 mV (1 khz, 50 mm/ s)
- Z-1S: 4 mV ...
- Accessories: single puck and needle protection cap
Tonearm:
Type: TH tonearm (S-shaped tubular tonearm)
Effective length: 220 mm
- Overhang: 15 mm
- Permissible pickup weight: 12.5 - 18.5 g (including system carrier)
- pickup: Z-1S (MM) 10 - 25.000 Hz, powerful bass (picture 1)
- Pickup: Z-4S (MM) 10 - 25,000 Hz (picture 3)
- Optimal contact pressure: 1.5- 2.0 g
Remarks[edit]
- even after 35 years it still runs perfectly,
- Only a small foam rubber part, which was totally rotten, had to be replaced by a felt strip.
- Hinge housings tend to burst due to age related material fatigue. Repair instructions as well as new hinges are available online at widely varying prices.
- A panel weight is recommended, be sure to note the height,
- so that the weight does not drag on the closed lid, ( Ebay from 25, - Euro )
Pictures[edit]
