Owner´s Manual
and
Installation Guide
CONGRATULATIONS!
You now own the Limited Edition Tarantula Amplifier, the product of an uncompromising design and engineering philosophy. Your Soundstream Tarantula will outperform any other amplifier in the world.
To maximize the performance of your system, we recommend that you thoroughly acquaint yourself with its capabilities and features.Please retain this manual and your sales receipt for future reference.
Soundstream amplifiers are the result of American innovation and the highest quality control standards. When properly installed, they will provide you with many years of listening pleasure.Should your amplifier ever need service or replacement due to theft, please record the following information which will help protect your investment.
Serial #
Dealer's Name
Date of Purchase
Installation Shop
Installation Date
C A U T I O N !
Prolonged listening at extremely high levels may result in hearing loss.Even though your new Soundstream Tarantula amplifier sounds better than anything you've ever heard, exercise caution to prevent hearing damage.
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TABLE OF CONTENTS
Features
Tarantula Diagram
Balanced/Unbalanced Inputs
Wiring
Installation and Mounting
Crossover Adjustments
Hawkins Bass Control™ Theory and Use
Level Setting
Power Supply Programming
Troubleshooting Chart
Sample System
Protection Circuitry
Very Serious Warnings
Service
Specifications
p 4 -5
p 6 - 7
p 8
p 9
p 10
p 11
p 12 ~ 13
p 14
p 15
p 15
p 16
p 17
p 17
p 17
p 18
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FEATURES
RUBI™ (Rapid-Use Branched Impulse) This new proprietary power supply 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 frequencies. Also, greater reserve gate power is stored for low voltage conditions that occur during extreme conditions.
STACT™ (STabilized Apex Current Topology) Reduces power supply stress by 50%. In The STACT design, inversion is done at the power amplifier drive stage. Since the fully symmetrical power amplifier produces no even-harmonic distortion itself and all preamplifier circuitry is run completely inphase,no even harmonic distortion phase reversal occurs and power is better distributed throughout the amplifier.
Advanced Trident™ Protection Topology Protects against potential harm/damage in the following situations:
1.Output Protection against short circuits or improper loads.
2.Voltage Inconsistencies protects against ground fault (speaker shorts to vehicle chassis) and an under/over voltage condition on the battery input.
3.Thermal Protection puts the amplifier into thermal rollback or shuts the amplifier down in extreme thermal conditions.
Tone Sweep Calibration Routine Automatically configures and optimizes the power supply to the connected speaker load.
Hawkins Bass Control Provides a focused parametric subwoofer boost (0 to +9 dB between 13-70 Hz) and routes otherwise wasted amplifier power back to the audible bandwidth.
Continuously Variable Crossover Networks 24 dB/octave low pass crossovers variable from 35 Hz to 500k Hz with a range selection switch.
Input Level Indicator A three colored LED that provides visual confirmation of the amplifier’s input level sensitivity setting.
Output Clipping Indicators Indicates clipping on the output stage of the amplifier. Monitoring the clipping indicators allows the user to achieve maximum SPL without clipping the amplifier.
Large Mouth Bass Remote subwoofer volume control built into the amplifier
4
FEATURES
Output Phase Switch O-180 degree phase control switch.
Fan Cooling With thermally sensitive speed control.
Differentially Balanced RCA Input Eliminates ground loop related noise in the audio signal.
Fully Balanced 6-pin DIN Input For professional quality performance and noise cancellation. The 6-pin DIN plug carries (
) signal information for left and right channels, audio ground, and 
15Vdc to operate the Soundstream BLT/ BLT4 Balanced Line Transmitters and Balanced X.0 crossover.
RCA Line Output Provides a full range signal output to drive other amplifiers.
Wire Connections Power and ground connections accept 1\0 gauge cable, while the speaker connections utilize dual 4 gauge connections.
Harmonic Bass Alignment™ The 2nd and 3rd order harmonic peaks are critically aligned to fundamental peaks at low frequencies. This produces tighter,more accurate bass reproduction.
Symmetrical Discrete Balanced Class A Drive Boards Auto-adjust for linear performance while driving low impedance loads.
Drive Delay II™ 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.
Chassisink™ All transistors are ideally located and sandwiched between the circuit board and the heatsink to provide cool efficient amplifier operation.
Dynamically Optimized Power Grid™ Power grid is evenly distributed between primary and secondary power supplies, providing greater dynamics and improved RF filtering.
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TARANTULA DIAGRAM
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