FATMAN Mi-Tube User Manual - page 7
Mi-Tube
User Manual
Mi-Tube Hybrid Valve 28 watt Amplifier with Bluetooth
Fault Finding
Page 7
Won’t turn on when the
POWER switch is pressed
Power cable isn’t connected properly, mains
supply is off
Make sure the power cable is firmly
plugged in ands mains is switched
on
No sound
The volume control is turned all the way to the
left
The connection wires are not connected
securely to the Input terminals
Speakers are not connected properly
Turn the control to the right to crank
up the volume
Make sure the cords are fully
inserted at both ends
Check that the speaker cables are
connected correctly
No sound from left or right speaker
One or both speakers are not properly
connected
Check both speaker cables and
ensure they’re connected securely
Check the connections between
your source and amplifier are
correctly and firmly connected
The acoustic image is unstable (sounds
unnatural or weirdly bass light)
The positive and negative polarities of the unit
and speakers aren’t matched
Remove the speaker cable and
connect them correctly
Crackling sound from speakers
Bad connection
A problem with your audio source
Check connections
Check audio source
Sound is distorted
Volume level on Mi-Tube is too high
Sound source is distorted
Turn it down a bit
WAV & MIDI files are often poor
quality and distortion sounds worst
through a quality system – try a
different audio source
Radio interference
You may be too close to a radio tower
Try moving the speakers to a
different position