PROBLEMS?

Basic problem-solving with an amplifier is similar to troubleshooting other electrical or electronic equipment. Always check the most obvious possible causes first, such as the following examples:

Problem

Probable Cause

Remedy

 

 

 

No power

Mains power supply is not fully inserted

Plug in securely

 

into mains socket

 

 

Mains power supply lead is not fully

 

 

inserted into rear socket

 

 

 

 

No sound

Wrong connections between input

Check audio input and output lead

 

sources and the unit

connections

 

Cartridge incorrectly wired

Check cartridge wiring

 

 

 

Sound too quiet/loud

Cartridge/turntable outputs in wrong input

Use MM input for MM cartridges;

 

 

MC input for MC cartridges.

Sound is not precise, lacking in

Cartridge incorrectly wired

Double-check cartridge wiring using

bass and stereo image

 

cartridge and turntable

 

 

manuals/wiring diagrams.

 

Input connector plugs not fully pushed in

Check plugs are inserted fully and

 

Output connector plugs not fully pushed in

securely

Hum

Turntable not earthed or needs earthing

Check turntable earthing lead is

 

 

connected to earthing post on M1

 

 

ViNL.

 

Turntable already earthed and earthing

Disconnect earthing lead from

 

further creates hum loop in system

earthing post.

 

Earth loops already in system

Investigate for earth loops

 

 

elsewhere in system.

 

Audio connector plug not fully pushed in

Insert plug securely

 

Cable fault

Check cable is connected at both

 

 

ends.

 

Unsuitable Cable

N.B. some esoteric cables have

 

(e.g. cable grounds not connected)

internal wiring intentionally

 

 

disconnected/modified. For best

 

 

results on all inputs AND outputs,

 

 

please use good quality screened

 

 

coax; fully connected signal-to

 

 

signal, screen-to-screen.

Plop or click heard in speakers

High gain of M1 ViNL, amplifying normal

Not a fault. It is recommended that

when switching on or off or

circuit transients.

the volume level on amplifier is

changing options

 

turned down if switching the M1

 

 

ViNL on or off; or pressing option

 

 

switches whilst connected.

Distorted sound

Cartridge and/or tone arm not aligned

Carefully follow turntable

 

properly

instructions to correctly re-align

 

 

tone arm and cartridge.

 

Cartridge fault or worn needle

Replace needle or cartridge.

 

Dirt on record

Clean dust and dirt from record

 

 

 

Distorted and loud sound

Line outputs of M1 ViNL plugged into

Use LINE level inputs only, e.g. an

 

PHONO amplifier inputs of following

AUX input, for the outputs of the M1

 

amplifier

ViNL.

 

 

 

If none of these actions affect a cure, please contact the dealer, or an authorised Musical Fidelity service agent. Remember; never open the case of the M1 ViNL, as this will invalidate the guarantee.

M1 ViNL manual issue 2.doc2

Page 10 of 12

Page 10
Image 10
Musical Fidelity M1 VINL manual Problems?, Problem Probable Cause Remedy

M1 VINL specifications

The Musical Fidelity M1 VINL is an exceptional phono preamplifier designed for audiophiles seeking high-quality analog performance. This compact yet powerful unit brings out the best in vinyl playback, integrating advanced technology to ensure that every nuance of the music is captured and reproduced with fidelity.

One of the standout features of the M1 VINL is its ability to handle both Moving Magnet (MM) and Moving Coil (MC) cartridges. This versatility makes it a perfect choice for vinyl enthusiasts who use various turntables and cartridge types. The device is equipped with a unique, switchable gain setting, allowing users to optimize performance based on the cartridge in use. Whether you are using a lower output MC cartridge or a standard MM cartridge, the M1 VINL can adapt seamlessly to provide the right level of amplification.

The M1 VINL employs high-quality components to enhance audio fidelity. Its precision engineering ensures low noise and a wide dynamic range, allowing for a truly immersive listening experience. The preamplifier features a fully discrete design, which mitigates noise and distortion, thereby preserving the integrity of the music signal. With a frequency response that extends beyond the typical range of human hearing, the M1 VINL excels at reproducing the richness and subtleties of vinyl recordings.

Another notable aspect of the M1 VINL is its dedicated power supply. It utilizes a robust power filter that reduces interference and ensures a stable performance, which is essential for maintaining the clarity of sound. The build quality is impressive, with a solid chassis that minimizes resonance and external vibrations, further enhancing audio performance.

Connectivity is made easy with RCA inputs and outputs, making integration into existing audio systems straightforward. The M1 VINL's design also includes a rear-facing grounding terminal to eliminate hum and noise, delivering a clean signal with every playback.

In summary, the Musical Fidelity M1 VINL is a versatile and technologically advanced phono preamplifier that caters to vinyl lovers. Its ability to support both MM and MC cartridges, combined with high-quality components and meticulous design, makes it a top choice for those serious about their vinyl listening experience. With the M1 VINL, users can expect enriched sound, dynamic performance, and the authentic warmth that only vinyl can provide.