Audio Technica VM540ML

Detailed Presentation of the Audio Technica VM540ML Cartridge

The VM540ML is a dual magnet cartridge equipped with a MicroLine stylus, renowned for its precision and durability. The stylus, made of diamond, is attached to an aluminum cantilever. This design allows the stylus to accurately track the grooves of a vinyl record, transmitting every tiny bump and space to the cantilever, thus capturing the complex details of the music.

The cartridge also features paratoroidal coils that improve generation efficiency, and a center shield plate that reduces crosstalk between the left and right channels. This ensures clear, high-quality sound output with excellent stereo separation.

The VM540ML cartridge is housed in a low-resonance polymer housing, which further enhances sound quality by minimizing unwanted vibrations. The cartridge is designed for half-inch mounting and has a recommended load capacity of 100-200 pF.

Performance

The VM540ML cartridge is praised for its impeccable tracking and neutral, open presentation. The MicroLine stylus allows for extremely precise groove tracking, resulting in low distortion even on the inner circumference of a record. This means the stylus can reproduce the finest details of the music, delivering a warm, natural sound that vinyl enthusiasts love.

In terms of sound quality, the VM540ML is described as offering plenty of detail, dynamics, and openness without becoming overly analytical or fatiguing. It is also known for its smooth, engaging sound, making it a significant upgrade from other cartridges.

Benefits of the VM540ML

• Superior Sound Quality: The VM540ML cartridge delivers high-quality sound output, capturing the complex details of the music.
• Excellent Tracking: The MicroLine stylus provides impeccable tracking, ensuring accurate reproduction of the music.
• Durable Design: The cartridge is housed in a durable polymer housing, which enhances sound quality by minimizing unwanted vibrations.
• Excellent Value: Given its performance and features, the VM540ML offers excellent value for money.
• Easy Installation: The VM540ML comes with all the necessary accessories for installation, including cartridge mounting screws, washers, round nuts, a non-magnetic screwdriver, a brush, and a set of headshell leads.

Technical Specifications

Physical Configuration

• Diamond Type: MicroLine
• Diamond Mounting: Nude Square Shank
• Mounting: 12.7 mm centered
• Cantilever: Tapered aluminum tube
• Dimensions (H × W × D): 17.3 × 17.0 × 28.2 mm
• Weight: 6.4 g

Audio Performance

• Frequency Response: 20 - 27,000 Hz
• Channel Separation: 28 dB (1 kHz)
• Channel Balance: 1.0 dB (1 kHz)
• Output Voltage: 4.0 mV (1 kHz, 5 cm/s)

Technical Characteristics

• Vertical Tracking Angle: 23°
• Vertical Tracking Force: 1.8 - 2.2 g (2.0 g standard)
• Diamond Size: 3.0 × 55.9 µm
• Coil Impedance: 2,700 Ω (1 kHz)
• Compliance:
  • Static: 40 × 10⁻⁶ cm/dyne
  • Dynamic: 10 × 10⁻⁶ cm/dyne (100 Hz)

Usage Recommendations

• Recommended Load Impedance: 47,000 Ω
• Recommended Load Capacitance: 100 - 200 pF