Soundstream Reference 200 Owner's Manual And Installation Manual page 5

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near one another, connected by thick, wide PCB traces, which ensures rapid,
high current delivery. The entire power supply is isolated on one side of the
circuit board while the audio stage is located opposite it, guaranteeing minimal
noise.
Ultra-Low ESR Capacitance Bank - Multiple small input power capacitors
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used to provide
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more power in and out faster.
Smart Thermal Rollback - Most amplifiers shut off when they get too hot. In
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the unlikely event the REFERENCE amplifier reaches 85" C, it will gradually
roll back its average power (without affecting the dynamics). Once the
amplifier has cooled off, it returns to full power output. If overheating should
continue, a second thermal sensing protection circuit will shut off the amplifier
if the heatsink reaches 95" C.
Unregulated Power Supply - 4 ohm power ratings are measured at 12 volts,
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meaning substantially greater output in the real world when the vehicle is
running, where voltages range from 13.2 to 14.4 volts.
Fault Monitor LED on the front panel notifies you of blown power supply
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fuses.
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virtually any load-all the way down to l/2 ohm stereo (1 ohm mono).
Dual Discrete Class A Drive Stages - Over six times the drive current of most
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amps, which maintains performance into low impedance loads.
Drive DelayTM Muted Turn-on/off Circuit - A unique circuit which completely
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eliminates any amplifier-related turn-on/off noises.
Flexible Input Sensitivity accepts voltages from 100 mV to 2.5 V, permitting
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maximum output from the amplifier with virtually any source unit.
Balanced Input Design for added immunity to noise caused by component
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and vehicle electrical system interaction.
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providing frequency and leve/"Q" adjustment for optimum subwoofer
performance. An adjustable subsonic filter protects woofers from damaging
low frequency information and maximizes output in a usable range.
a lower ESR (Equivalent Series Resistance), which means
fully adjustable subwoofer equalization circuit