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

when

POWER

Mains power plug is not fully inserted into rear

Plug in securely.

button is pressed.

socket.

 

 

 

 

 

 

 

 

 

 

 

No sound

 

 

Mute function is still active.

 

 

Press the MUTE button on the remote control to cancel.

 

 

 

 

Wrong connections between input sources and

Check audio input lead connections.

 

 

 

 

the unit

 

 

 

Check speaker cables.

 

 

 

 

Speakers not connected, or incorrectly wired

 

 

 

 

 

 

 

 

 

 

 

 

 

Sound cut

 

 

Loose connection

 

 

 

Check speaker and input connections.

 

 

 

 

Output overload or short circuit

 

Switch unit off. Check speaker connections for shorting

 

 

 

 

 

 

 

 

strands or wires. When all has been double-checked

 

 

 

 

 

 

 

 

reduce volume and switch unit back on.

 

 

 

 

 

 

 

 

N.B. Take great care when bi-wiring or bi-amping that

 

 

 

 

 

 

 

 

speaker bass and treble linking straps are removed; see

 

 

 

 

 

 

 

 

speaker manual for more information.

 

 

 

 

 

 

Sound

is

not

precise,

Speakers are connected out of phase, i.e.,

Ensure speakers are connected with same polarity at

lacking in bass and stereo

connections

to

one

speaker

amplifier and speaker ends.

image.

 

 

 

(+ and –) are reversed.

 

 

 

 

 

 

 

 

 

Hum.

 

 

 

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 internal wiring

 

 

 

 

(e.g. cable grounds not connected)

 

intentionally disconnected/modified. For best results on

 

 

 

 

 

 

 

 

all inputs analogue AND digital, please use good quality

 

 

 

 

 

 

 

 

screened coax; signal and screens both separately

 

 

 

 

 

 

 

 

connected at both ends.

 

 

 

 

No audio output, or too

Incorrect or missing connections

 

Check connections and make sure they are secure.

low level output.

 

 

 

 

 

 

 

 

 

 

 

 

Remote

control

does not

Amplifier’s POWER switch is set to off.

 

Set switch to on.

work.

 

 

 

One or more batteries fitted the wrong way

Insert batteries correctly.

 

 

 

 

round.

 

 

 

Change batteries for a new set.

 

 

 

 

Batteries are flat.

 

 

 

 

 

 

 

 

 

 

Ensure there is no obstruction between the remote

 

 

 

 

Remote control is not pointed directly towards

control and amplifier front.

 

 

 

 

the front panel of the amplifier.

 

Lighting such as fluorescent, incandescent, or even

 

 

 

 

Interference from another source.

 

sunlight contains large amounts of infra red radiation.

 

 

 

 

 

 

 

 

Ensure such sources are not shining directly on the infra

 

 

 

 

 

 

 

 

red window as this could swamp the signal from the

 

 

 

 

 

 

 

 

remote control.

 

 

 

 

 

 

 

 

Also check the system and any other nearby remotes for

 

 

 

 

 

 

 

 

stuck buttons.

 

 

 

 

 

Remote control range has

Batteries are running out

 

 

Change batteries for a new set.

greatly reduced

 

 

 

 

 

 

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 M3i, as this will invalidate the guarantee.

M3i manual issue 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Page 11 of 13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Page 11
Image 11
Musical Fidelity M3I manual Problems?, Power

M3I specifications

The Musical Fidelity M3i is an integrated amplifier that has become a celebrated choice among audiophiles for its blend of performance, technology, and design. This amplifier is designed to deliver an immersive listening experience while remaining user-friendly, making it a great option for both seasoned enthusiasts and newcomers to high-fidelity audio.

One of the standout features of the M3i is its robust power output, delivering 85 watts per channel into 8 ohms and enabling it to drive a variety of loudspeakers with ease. This ample power ensures that dynamic musical passages are reproduced accurately, while also maintaining clarity at lower listening levels. The M3i employs a fully discrete Class A/B output stage, which contributes to its musicality and ensures that the audio remains detailed and engaging across all frequencies.

The M3i is equipped with a high-quality DAC, offering a level of digital connectivity that enhances its versatility. With multiple inputs, including optical and coaxial connections, it allows for easy integration with a range of digital sources such as CD players, televisions, and computers. The inclusion of a USB input further expands its capabilities, enabling connection to PCs and streaming devices, while ensuring high-resolution audio playback.

Another notable aspect of the M3i is its built quality. Musical Fidelity is renowned for its craftsmanship, and the M3i is no exception. With a sturdy, heavy chassis and a functional yet elegant design, this amplifier not only performs well but also looks impressive in any setup. The front panel is user-friendly, featuring a large volume knob and source selection buttons that allow for intuitive operation.

Additionally, the M3i incorporates a high-quality phono stage, offering support for both moving magnet and moving coil cartridges. This feature is particularly beneficial for vinyl enthusiasts, as it allows for a seamless connection with turntables, resulting in an enriched analog listening experience.

With its combination of power, versatility, and superior audio performance, the Musical Fidelity M3i stands out in the crowded field of integrated amplifiers. Whether you are a serious audiophile or just wish to enjoy your favorite music with exceptional fidelity, the M3i offers the features and technologies that cater to a wide range of listening preferences and needs.