JVC QL-L20B Turntable
![JVC QL-L20B Turntable](jvc-turntables/ql-l20b.gif)
![return](nav/navigation-return.gif)
The QL-L20B was a Quartz-Locked Fully Automatic Linear-Tracking Turntable manufactured by the JVC Corporation. It had the following features:
- Linear Tracking for zero tracking error
- Double-Servo Quartz control for absolute speed accuracy
- Plug-in cartridge connector
- Cog-free coreless DC FG servo motor
- Independent Suspension System
- Computer-supervised fully automatic operation
- Automatic disc size/speed selector
Specification
Model Name | QL-L20B |
Motor Type | Coreless DC FG Servo Motor |
Drive System | Direct Drive |
Speed Detection System | Integrated Frequency Generator |
Servo System | Double-servo Quartz |
Start-up Characteristics | 1/2 Rotation |
Wow and Flutter | 0.045 % (DIN), 0.025 % (WRMS) |
Signal to Noise Radio | 78 dB (DIN-B) |
Speed Deviation | 0.005 % |
Load Characteristics | 0 % (under 100 g loads) |
Drift (per hour) | 0.0005 %/H |
Thermal Drift | 0.00005 % per degree centigrade |
Platter Size | 295 mm, die-cast aluminium |
Platter mass + Mat | 970 g |
Tonearm Type | Linear-Tracking statically balanced straight arm |
Tonearm Length | 157 mm |
Overhang | 0 |
Applicable Tracking Force | 1.25 g |
Applicable Cartridge Mass (main) | - |
Operation Mode | Fully Automatic |
Cartridge Supplied | MD-1045 |
Dimensions | 435 mm × 97 mm × 360 mm |
Mass | 5.1 kg |
Cost/eBay
Fully automatic linear-tracking turntables are highly desirable these days, and the QL-L20B is a desirable piece of engineering that audiophiles seek even today. A good working one in mint condition can sell for well over one hundred pounds and more.