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Guarantee; Packing Instructions - icon Audio MB90 MK IIm Instruction Manual

Mono block amplifiers

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Thank you for purchasing one of our amplifiers. We
hope you will be pleased with it.
This amplifier is guaranteed by the dealer you
purchased from for 12 months from the date of
purchase
for
parts
shipping. Valves are consumables and therefore
on a 12 months pro-rata wear basis. Please keep
your receipt as proof of purchase, this will be
needed.
All units are individually tested for performance for 48
hours before despatch to you. In the unlikely event
that you believe the unit is not functioning correctly, it
may be helpful to contact us first as we may be able
to assist you. Then we would request that you return
the item to us for further action.
You are advised to inform us of any change of
address or change of ownership in order that we may
keep
you
up
to
date
improvements. Check our website.
Exclusions
Claims for any damage to either amplifiers or valves
must be reported within three days of receipt.
This amplifier is designed for normal domestic hi fi
use. It is not guaranteed for commercial, Public
Address use, or use in other situations. The
guarantee becomes void if the unit has been
modified in any way not approved by Icon Audio.
icon Audio
2019-08-28 G version
Footnotes
1
PACKAGING. The expected life of your amplifier is approx 20 years, during that time it will need the occasional service and
valve replacement. The supplied packaging provides essential protection for shipping, and is difficult to replicate. If space is
short you may find it easier to keep the packaging flat.
2
LEFT AND RIGHT AMPLIFIERS are not different, this marking is only for reference. Occasionally amplifiers may not be
marked in which case customers may find it useful to use their own L R marking.
3
Broken valve spigots may often be repaired for new/good/rare valves, especially if the spigot has broken cleanly. Return to
Icon Audio with £5 for each valve with £5pp. UK/Europe only.
4
Accidental swapping of the 6SN7/6SL7 will cause no harm as they are similar, they may be substitute tested in this way, but
gain and performance will be impaired.
Most loudspeakers have a range of impedance from as low as 2Ω to as high as 20Ω, so the correct setting is your preference
5
in your system in your room. Generally the 4Ω taps will sound a little quieter with slightly more bass weight. The 8Ω taps
being slightly louder with a lighter balance. In practice most customers choose the 8Ω taps. The SENSITIVITY and
TRIODE/UL switch will also combine to affect the sound.
STANDBY SWITCH. Should be "UP" before switching on. And "UP" before switching off. This prevents power surges
6
damaging the cold cathodes. Valves last longer if they are given a chance to warm up before applying power. The standby
switch also allows you to save power for short periods, with the amplifier ready to start instantly. Occasional "switch on"
without using the standby switch will not damage the valves or amplifier any more than amplifiers without this facility.
Engineers Notes

9 Guarantee

and
labour,
excluding
of
any
upgrades
351 Aylestone Road Leicester LE2 8TA
www.iconaudio.co.uk
Phone +44 (0) 116 244 0593 Cell +44 (0) 778 715 8791
Fax 0116 244 0593

10 Packing Instructions

It is essential that the original box and packing be
kept in good condition, as this provides vital
protection during transit. Please do not write on
box, but use removable labels. Should the original
box and packaging be lost or become unusable a
repacking charge of one hundred pounds will be
made.
Re-use the supplied plastic bag to keep the
amplifiers clean and free from damp.
The mains lead fits in a foam cut-out underneath
the amplifier.
Never ship with valve guard in place, it will
almost certainly get damaged, and damage
the paint work of the amplifier. KEEP THE
VALVE GUARD when returning the amplifier
for service.
Valves should be removed, numbered and
or
packed in "Bubblewrap" or similar for protection
inside the valve cover.
If the amplifier is stored in the box, keep upright.
Do not store in damp conditions as this will
corrode transformer windings etc.
If the amplifiers are shipped insurance is
desirable due to the high unit value.
UK LTD
Page 8

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