Harman Kardon 730

0TH ER CONTROLS
By far the most frequently used
con trols are FU NCTION, VOLUME, and
POWER; bu t each of 11 , e controls we
h vent y et mentioned l1a s a s pe c if ic
purpos e. Listen to their effect as we
desc ri be them.
TREBLE Raises (c l ockwis e) or lowers
(coun er cloc k w1se ) high freq 11 enc y
conten in prog rn material on both
cha nnels s1multaneousl Neutral position
is 12 o'cloc k.
BASS Same effect as TREBLE control
exce I works on low lrequenc1es
CONTOUR Works in coniunction with
VOLUME con tr ol to increase bass energ,
at low volume et tings Progressi el y less
effect as volume level is ncreased . The
CONTOUR switch has no effect at
VOLUME con tr ol settings beyond 12
o clock.
TAPE MON -1 , TAPE MON-2 A m1
orograrns from any hie h level· sour ce
(usually ape recorder) c onnec e lo
TAPE ON recept cles They DO NOT
I ect signal ap earing at he TA PE
OUTPUT r eceptacle Thus. he use of the
TAPE MON switches does n ot disturb the
r ecording proces ol whatever source the
FU NCTION s it ch is set (Note If the rea r
pa e TAPE MO inputs are u noccup ied
and either TAPE MON switch is
depressed no sound will be l1e ar .
regardless of the osition of l he
FUNCTIO switch The ame will be true if
the qu1pr enl conne le to the TA PE
O inpu ts is off) TAPE MO also allows
for connectio n of sig al processing
devices .
MONO Ch ng es a ny program from
stere op honic to mono phonic f ormat Also
processes any s in g le c nnel source
conne cted to single i np ut r ece t cle
(such a elevisio soun d) through BOTH
chann els D,sa les red STEREO b co n
li ght
HI CUT A filter to redu ce high f requency
co ntent of any prog ram material. Tap
hiss. re cor scratches and other
p ro bl ems found in p rog ram mater i al can
be eflect 1v ely reduc ed wit 1h1s switch.
LO CUT A f il ter to reduce low irequency
con en of any progr- m material Rumble
from your turntable (if present) oi other l ow
fre uenc y pr ob lems can be ef fectively
red uced w1 lh1s switch
PHONES Receptacle f or h ead p ones for
private lstenrng Doe s NOT au tom ti c a ll y
defea t spe ak er systems. He a dp hones
can be u sed whether your s pea kers are
on" or· o ff "
FUNCTION Selects prog rams for
playb ck through sys t em Same s,gnal
a pp ears at bot TA PE O UT recep t ac les.
CIRCUIT PROTECTION
Two c ircu it breakers an d an AC power
fu se ar p ro id ed to protect the 730. The
circui breakers are labelled SPEAKER
PROTECTOR and p otect th e mplifier
circuitry from external short circuits or
ot er con d1t 1o ns that woulcl c use
exces sive cu rrent to be drawn through the
amp li fi ers. If o ne of yo ur s peake rs st ops
reprod ucin~ sound first ch eck the
connections for that speaker, corr ecllng
any short rnc uil condilion. (Wire s tr ands
touching t he wrong terminal are the usual
cause ) Then lo ca te the circuit b re aker for
that channel. Press the reset button firmly
and release 1mmed1ately. DO NOT hold
button in .
The AC fuse protects the entire
rece iver rom ex cessive urrent hro gh
l he AC ower line. Should this f use lo
THEREP LACEME NTFUSEMUSTBE
PR ECISELY THE SAME TYPE AS THAT
SP EC IFIED ON THE RE AR PANE L.
USING ANY OTHER FUSE WILL NOT
P RO TECT THE 730: SERIOUS DAMAGE
TO ITS CIRCUITRY C AN RESULT.
CLEANING THE DIAL GLASS
Dust or sm udges can be remove fr om
the dial glass wi th a diluted l1qu1d glass
cleaner and a soft cl oth or dam pa per
towel. DO NO T use a strong solvent- ty pe
c leane r or a mmonia as these may re mov e
the lettering on th e fa ce panel or clo ud th e
dial gla ss