Kenwood KD-4100

Brief description

A direct drive turntable with fully automatic tonearm guidance.

Data

General

• Manufacturer: Kenwood
• Model: KD-4100
• Years of manufacture: 1979 to 1981
• Made in: Japan
• Color: metallic gray
• Dimensions (W/H/D): 44cm/13cm/37cm
• Weight: 7.9 kg
• Original price approx.: 600 DM

Connections

• Outputs: 2 x RCA (Cinch), ground wire
• Inputs: none

Technical data

• Drive type: Direct drive
• Motor: brushless DC servo motor for platter, 2-pole DC micromotor for automatics
• Turntable: 31cm diameter, die-cast aluminium, 1,15kg
• Speeds: 33 1/3 and 45U/min.
• Synchronisation fluctuations: less than 0.03% (WRMS), less than +/- 0.055% (DIN)
• Rumble noise voltage ratio: -71dB (DIN)
• Rumple-noise-voltage-distance: -48dB (DIN)

Tonearm Data

• Effective mass: 24,7g
• Construction: statically balanced S-shaped tubular tone arm with EIA tone head connection
• Tonearm length: 225mm
• Overhang: 15mm
• Tracking angle: +/- 1,5 degrees
• Tracking force: 0-30mN, adjustable

Special Features

• Features advertised in a 1980 Kenwood catalog include:

Solid frame made of ARCB special material (minerals, glass fiber, polyester resins). Turntable with high moment of inertia, newly developed brushless DC shaded-pole motor, "... both guarantee optimum synchronisation consistency even when playing the new direct-cut and digital records with their pronounced dynamics and strong groove modulation."

Comments

Other models in the same series:

• KD-2100
• KD-3100
• KD-4100
• KD-5100

• KD-4100 R - This model is similar to the KD-4100, but has a repeat function.

Pictures

• 

  KD-4100R