Denon DL-107A MM cartridge with mint stylus * VG++

Perfect working condition. Stylus is very beautiful, sound is great.

Specification:

This MM cartridge uses a power generation method developed exclusively by DENON.

The vibration system replaces the DL-103's cross-shaped armature, wrapped around its power generation coil, with a disk-shaped magnet, and the magnet replaces the 6-pole yoke (core) and coil.

The magnetic circuit has an E-shaped structure, with two sets of magnets arranged at a 90° angle for the left and right channels, maintaining a fixed distance around the disk magnet. This magnetic circuit structure is unique to DENON and differs from conventional MM cartridges, improving high-frequency characteristics and enabling record playback with excellent linearity.

DENON's unique double-structure cantilever structure simultaneously achieves both rigidity and a lightweight equivalent mass.

This suppresses sagging mid- and high-frequency characteristics due to split vibrations, improving high-frequency characteristics.

The disk-shaped magnet uses an anisotropic, lightweight ferrite magnet with strong coercive force, reducing the overall vibration system and increasing output.

When a disk-shaped magnet is magnetized in the thickness direction and has a fulcrum on the extension of the central pole of the E-shaped core, and moves around the fulcrum, the dashed magnetic field lines change differentially with respect to the solid magnetic field lines in the diagram, and a magnetic flux is generated in the central pole that is the sum of the opposite-phase magnetic field lines from both magnetic field lines, inducing a voltage in the coil.

If the fulcrum of this magnet is accurate, even if the stylus tip sinks due to stylus pressure and the magnet tilts slightly, the push-pull method will make the top and bottom of the waveform symmetrical, resulting in reproduced sound with little distortion.

Output Voltage 2.0mV (1kHz, 5cm/s, horizontal)

Frequency Range 20Hz-30kHz

Output Impedance 2.8kΩ (DC 1.9kΩ)

Compatible Load Impedance 50kΩ

Channel Separation 20dB or more (1kHz)

Channel Balance 1dB or less (1kHz)

Compliance 8x10-6cm/dyne (100Hz, measured on a record)

Stylus Tip Solid Diamond Round Stylus

Radius of Curvature 16.5µm (0.65mil)

Recommended Tracking Pressure 2.0±0.3g

Weight Approximately 8.0g

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