Beforeinstallingthe cones,lurn the speakers
uprightand position
them. When
you havefoundthe perfect
spot,
carelullytiltthespeakers
andscrewintheconeswiththelocknutsonthem.Thespeakers
areawkwardtomoveafterthe
conesare installed. Caution: The cones are very sharp. To avoid injury, use extreme care!when handling and
installingthem.
AdjusttheconesasneededtoensurethattheVT-2.4islevelanddoes
notrockinanydirection.Tighten
the
locknutsagainstthebottomofthestabilizerbartolocktheconesin
place.
lfyou
havehardwoodfloorsorfloorswith
Va scratchable
sudace,
youmaychoosenotto usetheconesbecause
theywillpierce
thesurface.Rubberfeetare
provided
andcanbeusedin
place
ofthecones.
Installthe
stabilizer
bars,
peel
offtheadhesivebackings
fromtherubber
feet,and
place
themovertheholes
wheretheconeswouldscrewin.
I Connections
Beforeconnecting speakersto your system,it is very important that you tun ofr the power to your amplilier /
receiver to avoid damageto the equipmenL
Ontheback
panel
ofthe
VT-2.4therearetwosetsofbinding
posts(fig.
4)witha metaljumperstrapconnectingthe
top
andbottom
posts. Therearethreedifferentwaysto connect
theVT-2.4sto your
systemrF|lll-range
witha single
amplifier/ receiver,
Bi-amplifiedwithtwoamplifiersandtwosets
ofspeakerwire,orBi-wired
withoneamplifierandtwo
setsofspeaker
wire.ToruntheVT-2.4sfull-rangewithoneamplifier
/ receiver,simplyconnect
thespeakerwirestoeither
thetopsetorbottom
setofposts(it
doesn'tmatter
which
one).
Bi-amplificationistheuseof
twoseparateamplifiers.onetopower
the
bassdriversandonetopower
themidrange/ high
frequencydrivers.
Thisconfiguration
prcvidesgreater
dynamic
rangeforbothamplifiers,as
theyaresparcdthetaskof
reproducingtheentire
frequencyrange.Inaddition,bi-amplification
isa great
advantage
inhometheatersystems,asit
turnsthe
passive
subwoofer
sectionoftheVT-2.4
into
apowered
subwoofer.NHT'SSA-2
andSA-3subwooferamplifiers
areoptimized
forsubwooferamplificationandfeatureadjustable
volumeandbasstuning
functions,whichallowtheuser
tofine-tunebass
responseforanindividualligteningenvironment.
Noae:
lt is very inpoftant that
you rcmovethe
jumper strapswhenbi-amplifying
oryou wlll damage
your amplifie'sl Io
bi-amplify
theW-2.4,
you
willneedtwoamplifiers,onefortheupperrange
drivers
(toppair
ofbinding
posts)
andone
forthe
subwoofer
(bottom
paif).
Connect
one
pair
ofbinding
posts
wilhspeaker
wirefromoneamplifier,andtheottler
pair
ofbinding
posts
withspeakerwire
fromthesecondamplifier lfyouhaveanaudio/ videoreceiver,
youmayuseitsfrontleftandrightspeaker
outputstodrivetheupper
section,andaseparateamplifierforlhesubwoofers.
ltisimpofianttoachieve
levelmatchingbetween
thetwoamplifiers.
useeithertwoidenlicalampliiers,or
make
sure
thatoneamplifierhasavolumecontrol.Bothampliierswill
. lneed
toreceivean
identi€llinelevelsignalfromtho
preamplifier/processor
or"preouf'jacksof
theAy'
receiverlfonlyoneset
Vof 'ore-out
iacksareavailable.usea Y'
splitter
inordertosendthesignaltoboth
€mplifiers.
Formorod€tailodinformation
aboutbiamplification,contaci
your
loc€l
authorizodNHTfetailer.
Some
audioenthusiastshavefoundthatb!
wiringcanb ng aboutimprovementsin
sound.Bi-widngistheuseof
i,vo
pairs
of
spe€kefwireandoneamplifier,witheach
pair
connectedtoone
setofbinding
posts
ontheamplifer
(some
two4hannelampli-
fiers
provide
twosets). To bFwirethe
VT-2.4s,connectthetop
pair
ofbinding
posts
to theamplifierwithonespeaker
wire,andthebotiom
pair
with
a second
wire. Thetwoset6of speakerwire
are
bolhconnected
io one
pair
ofterminals
ontheamplifier.
Thel\rodel
VT-2.4loudspeaker
system
is compatiblewith virtuallyall qualiiy
High/Mid
Jumper
Straps
Frequency
Input
Low
Frequency
Input
amplifiers-Properwiringofthe
speakers
is
essentialto
good
sound.Ataminimum,14AWG
wireis.ecommended
forruns
of 10feetor less,withheavierspecial
purpose
speakerwirelsed forlongerruns. For
specialty
wire
considerations,
consult
your
localauthorizedNHTretailer.For
best
results,
useequal
lengthruns
ofspeaker
wirefor
theleftandright
speakerc.Preparc
your
speakerwirebystripping1/4"to3/8"ofinsulationfromtheendsandtwisiingthe
exposedwire
strandstightly.Thefive-waybinding
posts
ontheback
of
the
speaker
will
accept
rawwire,
banana
plugs,
orspade
plugs.
Tightenthebinding
posts
byhand,aspliers
canstripofbreakthem.
V Be sureto wire both the Ieft andright speakers"in.phase.- That is, the Positive(reat)terminalon theamplifier
output mustbeconnectedto thecofiesponding Positive(red)teminal on the speaker. Likewisewith theNegative
(black)
lerminals. All speakerwircshavesomesoft
of marking
alongoneor bothconductorsto help
youmakethe
correctconnections.Incorrectspeaker
phase
isindicated
by
weakbass
and
thelack
ofawelldefined
siereoimage.
