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SETTING THE
HIGH PO
WERlHiGH
CURRENTS
WlTCH
The High Power/High Current switch allows the REFERENCE amplifier to be
one
of
two types of amps: either producing maximum power at higher
impedances (perfect for satellites)
or
at lower impedances (usually with mukiple
subwoofers). The circuit operates by selecting a sat of power supply voltage
rails best suited to your particular application.
One is a higher voltage “tap”
optimized for high impedance applications while the other is lower voltage
designed to provide more current. Unlike other amplifiers, Soundstream’s
REFERENCE ampllfiers can be configured to
drivevirtually
any impedance and
make maximum power!
REFERENCE300sx
Hlgh Power
50x2 100x2
150x2
n/a
Wan6
(100x1) (200x1) (300
x
1)
Hlgh Current
25x2
50x2 100x2
150x2
Watts
(50x1) (100x1) (150x1)
(3OOXi)
OTHER COMMENTS:
If
you blow fuses with the REFERENCE amplifiers, switch to the High Currant
mode. If the problem persists.
it
is likafy that the amplifier is seeing a dead
short, either in the speaker wire or in the speaker itself. RecWy the
problem
before
blowing
muId&%?
fuses!
10
COHERENTSTEREOTM/
MIXED-MONO /BRIDGED MONO
The REFERENCE amplifiers have the ability to operate in any one of the
following modes:
I
Coherent
StereorM
with identical
lalt
and right stereo channels for
maximum fidelity. Best choice for satellite speakers. Use this mode unless
Mixed-Mono is necessary.
Mixed-Mono in order to drive stereo and
mono
simultaneously: works well
for center channels. It can be used anytime you
need
a summed mono
J
channel. Somewhat sacrifices sonic accuracy as additional circuitry is
introduced to one channel. In
hiked-Mono.
the
left
channel Is
Inveried,
see
diagmm
below
or
on the bottom of the
emplK?r.
Bridged MOnO for dedicated single channel operation; ideal far driving
subwoofers. It is also used when large amounts of power are necessary for
single speakers. In
bridged
mcno,
only
the
r/ght
channel Input
Is
actlve.
COHERENT
WERE0
BRIDQED
MONO
,L.
.I.
.I..
-I.
!,
In
bridged mono, on/y the right channel input is active.
NOTE:
lfyou
intend
to drive a
REFERENCE amp in Mono but have stereo
outputs fmm your cmssover or source
unit.
you can put the
swifch
in Mixed-Mono buf
follow lhs normal wiring for Bridged Mono.
11