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AUTO HIGH
CURRENTTM
POWER SUPPLY
The REFERENCE amplifier employs an extremely efficient Auto High
CorrwP
power supply (patent pending). This power supply circuitry automatically
customizes your amplifier for optimum efficiency and power output into virtually
any impedance load. When other brand amplifiers are driven at low impedances
(i.e., 1 ohm or
less).
they shut down, squash dynamics and power output (called
current limiting). or waste huge amounts of power (i.e., low efficiency). All of
which reduce the “real world” power the amplifier can produce in the car.
Soundstream’s Auto
H;gh
CurrentT”
power supply allows the REFERENCE
amplifiers to be one of two types of amps: either producing maximum power at
higher impedances (perfect for satellites) or at lower impedances (usually with
multiple subwoofers). This is done by letting the amplifier’s power supply
continuously monitor the impedance of the load the amplifier is driving. If the
impedance drops too low, the power supply will automatically switch into
High
Current mode. It will stay in this mode until the amplifier is turned off. The next
time it is powered up, it will be in the High Power mode.
Unlike other amplifiers, Soundstream’s REFERENCE amplifiers can be
configured to drive virtually any impedance and make maximum power! The
major advantages of this power supply are:
l awesome dynamic power capabilities
l added continuous power with higher voltages
l increased amplifier efficiency and reliability
Because of the dynamic properties of most music; all audio components should
be able to react accordingly. Thanks to their unique power supplies, the
REFERENCE amplifiers can comfortably exceed their rated power for dynamic
portions of the music.
4
INSTALLATION STEP 1
1.
COHERENT
STEREOTM
/
MIXED-MONO
/
BRlDGED
MONO
The REFERENCE amplifier has the ability to operate in any one of the following
modes:
Coherent
SiereOrM
with identical left 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 channel.
Somewhat sacrifices sonic accuracy as additional circuitry is introduced lo one
channel. In Mixed-Mono, the left channel is inverted, see diagram below or
on the bottom of the amplifier.
Bridged
MOllO
for dedicated single channel operation; ideal for driving
subwoofers. It is also used when large amounts of power are necessary for
single speakers.
In bridged mono,
on/v
the
right
channel
inwt
is active.
n
QP
COHERENT STEREO
+L.
_R.
BRIDGED MONO
*L-
-R+
1~
foci
In budged mono, only the right channel input is active.
IO
NOTE: If you intend to
dfive
a REFERENCE amp in
mono
but have stereo outputs
from
your crossover or
source unit, you can pot the switch in Mixed-Mono but
follow
the normal wiring for Bridged Mono.
11