Speaker Systems - Harman Kardon 730 Owner's Manual

CONNECTING THE 730
E3efow procc,ecJ111Q wrth the connection
ul tric, 730 there 1s one other 1tern that you
sliould take care of Since you Ii ave 1ust
purchased the unit you should still have
tlie
bill of sale.
Make sure 111s clc,arly
markccJ show111g the cJate of purchase
Now look on the mar panel of the 730 and
1ocate the serial nwntJcr Record this
rwmtJcr or1 the tJ1II of sale and tlien put rt
away 111 a safE, place for future refere11ce
T111s number wrll be 1mporta11t 11 your u111t
requires warranty service It may also
prov-ca useful 1cJc11t1f1cat1or11f your urnt
becomes sub1ect to theft
On tlie rear par1el ol trie 730 yo,, will
f111cJ m1mero11s receptacles. a:I clearly ancJ
specifically marked w1t11 1de11tify111g
legends. Each ol tl1ese will tJe dealt w1t11 111
t11rn For the moment. leave the power
cord of tl1e 730
unconnected.
Place tl1e
730 on a shelf or table. or or1 t11e tloor near
wliere 1t will finally be placed wtien you ve
completed tile connections. You st1oulcJ
leave enougl1 working space armmcJ 1t so
you can make your corinect1or1s easily
and comfortably
Although tile 730 1s a solid state
device. its powerful amplifiers arid even
dial scale illum1nat1on lamps will generate
l1eat. The 730 1s designed to operate
eff1c1ently over a wide range of ambient
temperatures. but the l1eat 1t generates
must be allowed to escape to prevent
internal temperatures from r1s1ng too l11gh.
Adequate vent1lat1or1 must be provided. If
the 730 will operate on an open shelf, no
special precaut1or1s 11eed be taken. If a
shelf will exist atJove tlie 730. allow at least
1" to 2" of free space above the receiver. If
the 730 will operate 1n a 3 or 5-sided
(bottom, back. top and sides) closed
space. at least 2" to 4" of free space
sliould be allowed above 1t and to e1tl1er
side. In custom-mounted cabinet
installations. adequate air flow can be
obtained by dr1ll1ng a large cutout, or.
several small lioles. 1n tlie surrounding
cabinetry. both above and below the
receiver (not 1n the 730 housing I 11) Open
back custom installations require no
special attention. Finally. free air flow
t11rougl1 the bottom of tlie receiver must be
allowed
Never operate the 730 on a rug
or cushion that could prevent air from
entering the bottom of the receiver.
SPEAKER SYSTEMS
Preparing for Connections:
Cl1oos1ng tlie r1gl1t wire for connecting
your speakers to the receiver will assure
the best performance. We recommend
use of 18 gauge. strancJed. two-conductor
wire. This type of wire 1s often called lamp,
or zip.· cord and 1s available at most high
fidelity stores or any electrical supply
store Wire of 18 gauge 1s thick enough to
allow lengtlis of up to 50 feet to tJe used
w1t11out affecting tl1e low frequency
performance of your system. For longer
runs. we suggest thicker 16 gauge wire If
t11e lengtl1 of wire you need 1s relatively
short. you may use t111nner 20 gauge wire
for your 1nstallat1on. althougl1 18 gauge
wire 1s preferred
Lamp cord 11s11ally provides a· code'
wl11ch 1s a means ol 1dent1fy1ng tlie
conductors. On some brancJs tr1e
1nsulat1on surrounding one of tlie
conductors lias a rib. sliarp corner (see
•a"). or 1ndentat1ons molded along its
lengt11 (see "b ') on otliers a t111n colored
t11read 1s molded 1ns1de tl1e insulator along
w1tl1 one conductor (see c ') In still otlier
tJrands. tlie two coriductors are different
colors (see· d") S11cl1 wire will be very
useful 1n "pl1as1ng· your s1Jeaker systems
Ci1t two lengtlis of wire ol
approximately eq11al size. Bot11 sl1ould be
long enougl1 to comiortably reac 1 1 tne
s(ieaker t11at will tJe at t11e greatest
distance from tlie 730 Separate tlie
conductors at eacl1 end of tiie wire
segments a distance ol about 2-3". t11en
carefully remove about one-l1alf 1nct1 of
1nsulat1on from eacl1 free end Twist
me
strands of eacl1 cond11ctor so tr1ey are
smoot11 and tight without any loose
strands