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RUBITM(_Rapid-Be
@ranched
_knpulse)
This new proprietary power
sup-
ply topology eliminates “power sags” during low frequency reproduction
by rapidly increasing the duty cycle, stabilizing the power supply and
allowing it to deliver the power required when reproducing low frequen-
cies. Also, greater reserve gate power is stored for low voltage condi-
tions that occur during extreme conditions.
STACTTM
(STabilized
Apex
Qurent
_Topology)
Reduces power supply
stress by 50%. Typical designs degrade the stereo image due to phase
reversal of even-order harmonic distortion that occurs between the in-
verted channels. In the STACT design, inversion is done at the power
amplifier drive stage. Since the fully symmetrical power amplifier pro-
duces no even-harmonic distortion itself and all preamplifier circuitry is
run completely in-phase, no even harmonic distortion phase reversal
occurs.
TridentTM
Protection Topology provides three types of protection:
I.
Output protection against short circuits or improper loads.
2. Ground fault detection: Shuts down the amplifier when a significant
voltage
(>
5Volts)
fluctuation occurs between electrical (turn-on lead)
and battery ground.
3. Thermal Protection: Puts the amplifier into thermal rollback or shuts
the amplifier down in extreme thermal conditions.
Hawkins Bass Control provides a focused subwoofer boost
(O-9dB
at
45Hz) and routes otherwise wasted amplifier power back to the audible
bandwidth.
Harmonic Bass Alignment
TM
The 2nd and 3rd order harmonic peaks
are critically aligned to fundamental peaks at low frequencies. This
produces tighter, more accurate bass reproduction.
Drive Delay II
TM
Amplifier section powers up 2 to 3
seconds after
the
power supply eliminating turn-on pops. Turn off process is
reversed:
amplifier section turns off first, followed by the power
supply.
Dynamically Optimized Power Grid
TM
.
Power grid is evenly distrib-
uted between primary and secondary power supplies,
providing greater
dynamics and improved
RF
filtering.
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ChassisinkTM All transistors are ideally located and sandwiched be-
tween the circuit board and the heatsin k to provide cool efficient ampli-
fier operation.
Differentially Balance RCA Input eliminates ground loop related noise
in the audio.
Fully Balanced 6-pin DIN Input (604) for professional-quality perfor-
mance and noise cancellation. The
6-pin
DIN plug carries
(k)
signal
information for Left and Right channels, audio ground, and
=t
15 Vdc to
operate the Soundstream BLT
I
BLT4 Balanced Line Transmitters and
Balanced X.0 crossovers.
Output Clipping Indicators (604) indicate clipping on the output stage
of the amplifier. Monitoring the clipping indicators allows the user to
achieve maximum SPL without clipping the amplifier.
Continuously Variable Crossover Networks: 12
dB/Octave
highpass
variable from 65 to 220 Hz, and 24 dB/Octave lowpass crossovers vari-
able from 30 Hz to 120 Hz. (12 dB/Octave lowpass on RUBICON204)
Flexible Dual Input Level Control allows 300
mV
to 5 V input sen-
sitivity.
Symmetrical Discrete Balanced Class A Drive Boards Auto-adjust
for linear performance while driving low impedance loads.
Removable Front Spoiler allows for stealth installation of RCA, Bal-
anced Line, Speaker and Power wiring.
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