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Harman Kardon HK620 - Product Features; HCC (High Instantaneous Current Capability); Ultrawide Bandwidth; Low Negative Feedback

Harman Kardon HK620
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Congratulations
on
your
choice
of
the
Harman
Kardon
Integrated
Amplifier.
In
order
to
obtain
the
best
performance
from
this
integrated
amplifier,
please
be
sure
to
read
this
owner’s
manual
and
use
your
integrated
amplifier
only
in
accordance
with
its
instructions.
The
special
features
of
this
unit
include:
HCC
(High
Instantaneous
Current
Capability)
The
amplifier
sections
react
rapidly
to
musical
transients,
providing
the
instantaneous
Current
necessary
to
precisely
drive
and
control
nearly
any
loudspeaker
system.
Ultrawide
Bandwidth
The
bandwidth
of
this
unit
is
exceptionally
wide
and
is
independent
of
negative
feedback.
This
improves
transient
accuracy
and
phase
linearity.
HK620
INTEGRATED
AMPLIFIER
Low
Negative
Feedback
This
unit
has
been
designed
to
have
low
distortion
and
wide
bandwidth
without
high
negative
feedback.
This
further
improves
its
dynamic
accuracy.
Discrete
Component
Circuitry
In
order
to
achieve
the
above
goals,
all
discrete
electronic
circuitry
has
been
employed.
No
available
integrated
circuits
could
provide
this
high
level
of
performance.
Sophisticated
Electronic
Protection
Circuitry
Harman
Kardon’s
unique
protection
circuitry
guards
the
amplifier
from
short-
circuited
or
damaged
speakers
and
wires,
without
impairing
sound
quality
by
the
use
of
current
limiting
or
output
relays.
CAUTION
RISK
OF
ELECTRIC
SHOCK
DO
NOT
OPEN
CAUTION:
TO
REDUCE
THE
RISK
OF
ELEC-
TRIC
SHOCK,
DO
NOT
REMOVE
COVER
{OR
BACK).
NO
USER-SERVICEABLE
PARTS
IN-
SIDE.
REFER
SERVICING
TO
QUALIFIED
SERV-
ICE
PERSONNEL.
WARNING:
To
REDUCE
THE
RISK
OF
FIRE
OR
ELECTRIC
SHOCK,
DO
NOT
EXPOSE
THIS
APPLIANCE
TO
RAIN
OR
MOISTURE.
age”
within
the
product's
enclosure
that
may
be
of
sufficient
magnitude
to
constitute
a
risk
of
electric
shock
to
persons.
The
exclamation
point
within
an
equilateral
triangle
is
intended
to
alert
the
user
to
the
presence
of
im-
portant
operating
and
maintenance
(servicing)
instructions
in
the
litera-
ture
accompanying
the
appliance.
The
lightning
flash
with
arrowhead
symbol,
within
an
equilateral
triangle,
is
intended
to
alert
the
user
to
the
pres-
ence
of
uninsulated
"dangerous
volt-
CAUTION:
To
PREVENT
ELECTRIC
SHOCK,
MATCH
WIDE
BLADE
OF
PLUG
TO
WIDE
SLOT,
FULLY
INSERT.
ATTENTION:
pour
EviteR
LES
CHOCS
ELECTRIQUES,
INTRODUIRE
LA
LAME
LA
PLUS
LARGE
DE
LA
FICHE
DANS
LA
BORNE
CORRESPONDANTE
DE
LA
PRISE
ET
POUSSER
JUSQU’AU
FOND.

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