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DESIGN FEATURES
Handcrafted in the U.S.A. with
mii-spec
glass epoxy circuit boards, low-
loss connections, gold-plated input connectors, and metal film resistors.
Darlington High Current Discrete Output Topology
-
Soundstream’s
“overbuilding” of the output section incorporates Darlington output devices
sandwiched between the circuit board and the heatsink in a design called
ChassisinkTM
to ensure cool, efficient amplifier operation.
Mixed Mono Capable so you can simultaneously drive a stereo and mono
load (satellites and subwoofer).
2 Ohm Drive Ability
-
Soundstream amplifiers are designed to drive loads
down to 2 Ohms stereo and 4 Ohms bridged.
Built-in Staggered Asymmetrical Crossover
-
Built in 2-way (l-way on
SA-80)
electronic crossover is designed to send either high or low pass
information to the amplifier.
Drive
DelayTM
Muted Turn-on/off Circuit
-
A unique circuit which
completely eliminates any amplifier-related turn-on/off noises.
Flexible Input Sensitivity
-
Accepts input voltages from 100
mV
to 2.5 V,
which permits maximum output from amplifier with virtually any source unit.
SA*80
SA*I
64
Power
Power
4
ohms
2
ohms
40~x2
60~x2
4owx4
60~x4
Bridged Power
4 ohms
120w x 1
12owx2
a
4
INSTALLATION STEP 1
b
SETTING
THE
CROSSOVER MODES
The Soundstream
SA*80
&
164 incorporate a defeatable electronic crossover
for each pair of channels. The SA.164 amplifier can drive a complete system
without need of an outboard electronic crossover.
Before installing the amplifier, make certain the switches on the bottom are set
to the correct positions.
.
CHANNELS 3
&
4
CHANNELS 1
&
2
BRIDGE
STEREO
INTERNAL
SAd64
shown
LOWPASS
The low pass crossover is used for sending only low frequency information to
particular speakers. Activate the low pass crossover if you intend to drive
subwoofers.
HIGH PASS
(SA*I
64)
The high pass crossover is used for sending only midrange and high frequency
information to particular speakers.
Activate the high pass crossover if you
intend to drive satellite or coaxial speakers in the system along with subwoofers
driven off channels 1 & 2 in low pass. Even if your system does not include
subwoofers, it may be helpful to activate the high pass crossover with smaller
speakers to protect them from low frequency information.
9