JVC QL-A7 specifications

Category : Record player

Brand : JVC

JVC Stereo turntable QL-A7

General :

Tech nical data:

arm

scanning system:

features:

• manufacturer: JVC (Japan)
• TYPE: quartz-controlled turntable with direct drive (semi-automatic)
• size with the hood closed (HxWxD): 16.5 x 48,1 x 40.3 cm
• power: 220 V, 50 Hz, 19 watts (Europe)
• weight: 12 Kg
• price:

• Motor: 12 - pole 24 - slot, DC servo motor
• drive system: direct drive
• speeds: 2, ( a 33.33 and 45 rpm )
• constant velocity fluctuation: 0,025 % (WRMS )
• to-Noise ratio: 63 dB (IEC -B)
• rumple voltage: 73 dB (DIN B)
• speed detector: frequency generator
• starting torque: 1 kg - cm
• start-up time: less than 1.4 s
• quick stop: below 1.6 s
• speed deviation: 0,002 %
• Drift per hour: 0.0001 to % /h
• plate: 31.3 cm

• type: TH - tonearm (Tracing Hold System)
• Effective length: 245 mm
• Overhang: 15 mm
• pad print area: 0 - 3 g
• Acceptable cartridge weight with a System: to 14.5 - 25.5 g (carrier system 10 g)
• height range: 42,4 - 50.0 mm

• type: vibratory solenoid (MD-1025)
• sampling needle: 0.3 x 0.7 mm diamond for DT-Z1 TE
• DT-Z1 TE for Stereo
• 4DT-Z1S for discrete 4-channel/Stereo playback
• Optimum tracking force: 1.5 - 2.0 g
• output: 3 mV (1 khz)
• frequency response:
  • DT-Z1 TE: 10 - 25,000 Hz
  • 4DT-Z1 S: 10 - 45,000 Hz
• channel separation: better than 25 dB (1 khz)

• DT-Z1 TE: 10 - 25,000 Hz
• 4DT-Z1 S: 10 - 45,000 Hz

• Single-Puck: Yes
• Anti-Skating knob: Yes
• tonearm static suspension
• photo-kinetic limit switch altungs-automatic,
• sensor buttons for speed dial and fast stop,
• cardan suspension with TH - arm compensation balance with a new Gimbal,
• aluminum-head sled with quick-action clamping lock,
• tonearm height adjustment
• parallel, oil-damped tonearm lift,
• driven by high-quality quartz precise servo motor,
• control of the speed through the illuminated crystal frequency synchronized stoposkop display,
• built was almost wear-free electronics,

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