4
DESIGN FEATURES
• Uncompromising Design and Construction including mil-spec glass epoxy circuit boards and
high current custom gold-plated solid brass connections that will accept up to 4 gauge power/
ground wire.
• High Power/High Current Capability (subwoofer channel only) - Soundstream’s exclusive circuitry
permits customization of your amplifier to its particular application—High Current, for ultra-low
impedance loads (multiple subwoofers, less than 1 ohm) or High Power, for higher impedance
loads (1 ohm and up).
• Chassisink
TM
Darlington Power Array - Soundstream’s “overbuilding” of the output section
incorporates multiple output transistors instead of a few for faster, stronger power delivery. The
transistors are directly sandwiched between the circuit board and the heatsink in a design called
Chassisink
TM
to ensure cool, efficient amplifier operation.
• Staggered Asymmetrical Electronic Crossover - Continuously variable 2 or 3-way crossovers
with 12 dB/octave high pass and 24 dB/octave subwoofer low pass. In 3-way mode, bandpass can
be selected for midrange or midbass.
• Rear Channel De-emphasis - A circuit based on theater surround technology in which rear fill
information is rolled off at 6 dB/octave with a -3 dB point at 7,000 Hz to provide a more realistic
Reference705
MONO
-ONE+
MONO
-TWO+
LSE.Q X-OVER LEVEL INPUTS
+ L - - R ++12v GND REMOTE
X-OVER LEVEL INPUTS
+ L - - R +
X-OVER LEVEL INPUTS
L RL RL R
0.7-2.8 17-60
Q
BOO ST
Hz
FR EQ
30-60
Hz
LP
2.5-0.04
VOLTS
240-960
1K-4K
Hz
(3-WAY)
Hz
HP
60-240
VOLTS
2.5-0.1 60-240 2.5-0.1
VOLTSHP
SUBWOOFER CHANNELS 3 + 4CHANNELS 1 + 2
Fault
High Power
High Current
Handcrafted in the U.S.A.
D E-
EM P H A SIS
7 KH z LP
6 d B/O c t
IN P U T
SE LE C T
R EA R FI LLX O V E RX O V E R
HIG H P A SS
6 0 -2 4 0H z
H IG H P O W ERH IG H C U R R E N T
SU B C H A N N E L
3- W A Y*
M ID
( 1 -4 K Hz )STER E O
( N O N -BR ID G EA BLE )
C H 1
60- 240H z
60 -2 40Hz
24 0-9 60Hz
1-4 KHz
C A U TI O N : D O N O T S W ITC H W HE N AM PL IFIE R IS TUR N ED O N .
Use H IG H C UR R E N T for S UB C H A N NEL lo a d s a t o r b e lo w 1 o h m .
+ L - - R +
S P EA K E R C O N N EC TIO N D IA G R A M
C H A N N E LS 1 - 4 SU B C H A N N E L
+ L - - R + - + - +
USE R IG H T C H A N N EL IN P UTS F O R
BR ID G I N G C HA N N EL S 1 - 4.
SU B C HA N N EL
BO TH SW ITC HE S SH O ULD BE IN THE S A M E P O SITIO N
* In 3 -W A Y xo ve r mod e , C H 1 & 2 b e c ome H IG H PA SS, C H 3 & 4 b e c o me BA N DPA SS.
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