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Ortofon 2M Mono Premounted

$531 €459
In stock

Ortofon 2M MONO 78 Cartridge Premounted on SH-4

The 2M MONO 78 Premounted is a monophonic moving magnet (MM) phono cartridge designed to deliver precise and faithful sound reproduction of mono 78 RPM vinyl records. It comes premounted on an SH-4 headshell, allowing for easy and quick installation on S-shaped tonearms. The cartridge body is made of Hopelex, a material that ensures high rigidity while eliminating unwanted resonances.

Features of the 2M MONO 78

The 2M MONO 78 is a true mono cartridge specifically designed for playing 78 RPM vinyl records. It is equipped with a spherical diamond stylus with a wider tip profile perfectly suited for these records, which have a wider groove than microgroove records. Its improved motor offers a high level of sound precision. The cartridge body is made of Hopelex, a material that ensures high rigidity while eliminating unwanted resonances.

The 2M MONO 78 uses a “strapped” output that delivers the same signal to both sets of pins. This eliminates the need for specific mono playback equipment, allowing for true monophonic reproduction on any stereo playback system.

Advantages of Using a Mono Cartridge

If you play a mono record with a stereo cartridge, you won’t get exactly the same signal in both channels due to imperfections such as crosstalk, noise, phase errors, and distortions. This difference between channels results in an unstable and partially blurred sound image. A mono switch can improve this to some extent.

When playing the same record with a mono cartridge like the 2M MONO 78, these issues disappear because the cartridge produces only one signal, which is then sent to both channels. This results in a much more stable and full sound image.

Another significant advantage is the absence of response to vertical movements. A mono cartridge is insensitive to the pinching effect that occurs when the stylus is pushed upward in very narrow grooves. Additionally, the response to dust and wear is significantly reduced because the vertical component is not reproduced. Ultimately, this results in a much cleaner and quieter reproduction of the mono record, which a simple mono switch cannot achieve.

Premounted Version on SH-4 Headshell

This “plug and play” solution allows for direct mounting and easy replacement on S-shaped tonearms. The SH-4 headshell is made from a special material used in the medical industry, ensuring high rigidity while reducing unwanted vibrations. Its sleek and high-tech design is both thin and robust. The headshell is lightweight yet strong, with a long ergonomic finger lift for easy handling.

It features a universal mount suitable for a wide range of tonearms. Note that for Technics models, it is essential to use the provided auxiliary counterweight.

Key Advantages

  • Dedicated mono cartridge for optimal playback of 78 RPM records
  • Spherical diamond suitable for wide grooves
  • Enhanced motor for high sound precision
  • Strapped output for compatibility with any stereo system
  • Rigid and anti-resonant Hopelex body
  • Pre-mounted version on SH-4 shell for easy installation
  • Lightweight and robust shell with long lift finger
  • Universal mount suitable for most S-shaped tonearms
  • Excellent compatibility with numerous playback systems
  • Faithful, clean, and stable mono reproduction

Technical Specifications

General Specifications

  • Type: MM (Moving Magnet)
  • Stylus: Spherical
  • Output voltage at 1,000 Hz, 5 cm/s: 4 mV
  • Frequency response: 20-20,000 Hz (+3/−1 dB)

Performance

  • Tracking ability (315 Hz at recommended tracking force): 70 µm
  • Dynamic lateral compliance: 18 µm/mN
  • Stylus tip radius: R18 µm
  • Tracking force range: 1.6-2.0 g (16-20 mN)
  • Recommended tracking force: 1.8 g (18 mN)
  • Tracking angle: 20°

Electrical Characteristics

  • Internal impedance: 700 Ω
  • Internal inductance: 350 mH
  • Recommended load resistance: 47 kΩ
  • Recommended load capacitance: 150-300 pF

Weight

  • 2MR Cartridge: 6 g
  • 2M and 2M Verso Cartridges: 7.2 g
  • Pre-mounted 2M Cartridge: 16.7 g

Included Accessories

  • Replacement stylus: 2M Mono (interchangeable with 2M 78)
  • Supplied pre-mounted on an SH-4 headshell
  • Eco-contribution included in the sale price.
  • Manufacturer reference: 9030-2M-MON-PRE
  • GTIN / EAN: 5705796080360
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