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Quick Set Up Guide - icon Audio Stereo 20PP User Manual

Integrated amplifier with headphone socket

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1 Unpack unit carefully. It is important that
you keep packaging for warranty/service
return/transit or storage.
2 Check that the valves are fitted properly.
Handle the valves with a soft cloth. The
valves may be gently pushed into place. It is
normal for them to feel a little loose. If not
fitted fit the valves in the appropriate position
before proceeding. The three 'driver' valves
are marked. The Russian EL84's may not be
marked but are the larger four which go to the
rear.
3 Connect to source units, e.g. CD, Tuner,
Tape, Phono pre amp (if used) etc via
appropriate phono sockets.
4 Connect to speakers. Suitable impedance
is from 4 to 8 ohms (see back of speakers).
Most modern speakers are 4ohms. Don't
forget to get the correct polarity of speaker
cables. (See speaker connections chapter). If
'bi-wiring' both 'common' should go to the
black terminal and both 'positive' (or red)
should go to the red terminal. Do not use
more than one pair of speakers. A second
banana plug may be accommodated through
the 'bare wire' hole in the post.
5 Connect to mains supply using supplied
IEC mains lead to 230v (115V USA) supply.
If for some reason the welded plug must
be removed, please remove fuse and
dispose of immediately. (As they can be a
danger to children if plugged in). The
replacement plug should be wired in the
following way Brown to Live terminal, Blue to
Neutral terminal and Green/Yellow to Earth
terminal.
IMPORTANT READ THIS FIRST

2 QUICK SET UP GUIDE

6 SWITCH ON! The blue (or red) mains
indicator should light up and unit will take
approximately 40 seconds to start working.
All valves should have a visible orange glow
from the cathode heaters. With the volume
control set to minimum (fully anti-clockwise)
there should be no sound coming from the
speakers except a barely discernable gentle
hum. If there are any unpleasant sounds
coming from the speakers, switch off and
refer to the 'Trouble Shooting' section or
contact Icon Audio.
If your unit is fitted with the HT delay timer,
operation will begin after the unit switches the
HT on (approx 25-50 secs), your may hear
very low distorted sound from the speakers
during the warm up time. This is because
there is virtually no HT to operate the
amplifier. We suggest you reduce the volume
until the HT cuts in.
7 Your unit should now be functioning. If
not check wiring again and/Use selector/tape
monitor/volume to choose source program
and suitable listening volume. Do not operate
at a high volume for the first five minutes to
allow the valves to warm up properly.
8 Health and Safety. The valves when
operating have high surface temperatures.
Keep out of reach of children and pets. The
use of the supplied guard is recommended in
these circumstances. Always unplug when
making adjustments. Like all amplifiers
there are potentially lethal high voltages
inside (300v DC), which when switched off
can take up to 1 hour to discharge! Do not
remove bottom panel unless you are a
competent engineer. There are no user
serviceable
parts
household electrical appliances do not
leave unattended whilst switched on.
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inside.
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