Soundstream Tarantula Limited Edition Manuale di programmazione

OWNER’S MANUAL

and

INSTALLATION GUIDE

CONGRA

TULA

TTONS!

You

now own the

Limited Edition Tarantula Amplifier,

the product of an uncompro-

mising design and engineering philosophy. Your Soundstream Tarantula will outper-

form 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

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 invest-

ment.

Serial

Dealer’s Name

Date of Purchase

Installation Shop

Installation Date

TABLE OF CONTENTS

Features.. ................................................................................................. p 4-5

Tarantula

Diagram

................................................................................... p 6-7

Balanced/Unbalanced

Inputs

.....................................................................

p 8

Wiring

.......................................................................................................

Installation

and

Mounting .........................................................................

Crossover Adjustments ............................................................................

Hawkins Bass

ControlTM

Theory and

Use

................................................

12-13

Level Setting ............................................................................................

Large Mouth

Bass

....................................................................................

Power Supply Programming.....................................................................

Troubleshooting Chart ............................................................................... p 16

Sample System.........................................................................................

Protection Circuitry....................................................................................

Very Serious Warnings ..............................................................................

Service .....................................................................................................

p18

Specifications ...........................................................................................

FEA

WE5

RUBW

(_Rapid-Use

Branched Impulse) This new proprietary power supply topol-

ogy eliminates “power sags”

d&g

low frequency reproduction by rapidly increas-

ing 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.

STACTTM

(STabilized Apex Current Topology) Reduces power supply stress

by 50%.

InThe

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

harmonicdistortion phase reversal occurs and power is

better

distributed

through-

out the amplifier.

Advanced

TridentTM

Protection Topology Protects against potential harm/dam-

age 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 am-

plifier 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

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 cross-

overs variable from 35 Hz to 500 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 am-

plifier. 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.

FEA

TURES

Output Phase Switch O-180 degree phase control switch.

Blue Neon Back lighting with four different selectable modes of operation,

including an audio response mode.

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 g-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

I\0

gauge cable,

while the speaker connections utilize dual 4 gauge connections.

Harmonic Bass AlignmentTM The 2nd and 3rd order harmonic peaks are criti-

cally 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

llTM

Amplifier section powers up 2 to 3 seconds after the power

supply, eliminating turn-on pops. Turn off process is reversed; amplifier sec-

tion turns off first, followed by the power supply.

ChassisinkTM 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 be-

tween primary and secondary power supplies, providing greater dynamics and

improved RF filtering.

TARANTULA DIAGRAM

KEY

CALL

19.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.

21.

22.

23.

24.

25.

input

Level LED -Warns of the onset of clipping.

Amplifier Clip LED

Indicates clipped amplifier output.

Remote Volume Switch

Select “IN” when the LMB is used and “OUT” when

not in use.

Left Channel Balanced/Unbalanced Input Switch -Select “Balanced” to use

the

6-pin

balanced signal input. Select “Unbalanced” to use the RCA signal

inputs.

Right Channel Balanced/Unbalanced Input Switch

Select “Balanced” to

use the 6-pin balanced signal input. Select “Unbalanced” to use the RCA

signal inputs.

Input Level

Input level control.

Hawkins Bass Control/Subsonic Switch

Select “SUBSONIC” to engage

the Subsonic filter between 13 Hz and 30 Hz with no boost. Select “Hawkins

Bass Control” to engage the Subsonic filter between 30 Hz and 70 Hz with an

adjustable boost determined with the Q boost control.

Hawkins/Subsonic Frequency Adjustment

Frequency adjustment control

for the Hawkins Bass Control or the Subsonic filter.

Hawkins Bass Control Boost Adjustment

Varies from 0 to

of boost

when the Hawkins Bass Control circuit is engaged.

Low Pass Filter Adjustment

Frequency adjustment for the low pass filter.

Low Pass Filter Range Switch

Frequency range selection for the low pass

filter.

Power/Calibration Switch

Push button switch that selects power level or when

pushed and held for a short time, then released, the amplifier auto-adjust to the

speaker load.

Illumination Switch

Push button switch that allows the user to adjust the

light (OFF, ON, MUSIC or BLINK).

Phase Switch -Adjusts the speaker phase to either 0 or 180 degrees.

Power LED

Indicates amplifier power (see chart on page 16).

Status LED

Indicates amplifier status; thermal, short circuit, etc...

RCA Inputs

Right and Left channel RCA inputs.

Balanced Signal Input Connector

6-pin

balanced input connector for use

with the Soundstream BLTIBLT4 Balanced Line Transmitter.

Large Mouth Bass Connector

Accepts the three prong plug that connects

the LMB remote volume control to the amplifier.

RCA Line Outputs

Right and Lefl channel RCA fullrange outputs.

Negative Speaker Terminals

Negative 4 gauge speaker connection.

GND

Main ground connection. Bolt to a clean chassis point in the vehicle.

Remote

Remote turn-on input from the head unit. Accepts +12V.

+12V

Connect to a fuse or circuit breaker, then to the battery’s positive terminal.

Positive Speaker Terminals

Positive 4 gauge speaker connection.

t3A.L

ANCCD/UNBAL.ANCED

INPU

The Tarantula has the ability to accept either a standard unbalanced RCA signal

input, or a balanced “Pro Audio” style input signals with the use of the Soundstream

BLT Balanced Line Transmitter or some other balanced line audio source. Before

installing your system, you should decide upon which signal type you wish to run.

The

Tarantula's

signal

input accepts a wide range of input level: from 300mV to

5.OV

for both balanced and unbalanced inputs. For the best S/N Ratio, we recommend that

the input level control be set as far down as possible (rotated counterclockwise), while

maintaining an acceptable level of output.

Using

the “Unbalanced” RCA

hput

When using the unbalanced RCA input, the

R/G/-/T

channel input signal switch

MUST be in the “UNBAL” position. Also, when first installing the amplifier using

this input configuration, we suggest that the left channel input signal switch be in

the “UNBAL” position as well. If you experience alternator whine or other instal-

lation noise with both switches in the “UNBAL” position, try moving the LEFT

channel input signal switch to the “BAL” position. This should remove any

system noise due to the installation.

Using the “Balanced” Input

When using the balanced B-pin DIN audio input, the switches MUST be in the

“BAL” position. Also, we recommend that when using this input configuration, the

input level control be set to the “minimum” position (rotated counterclockwise). The

system gain should then be adjusted on the BLT Balanced Line Transmitter or other

balanced line audio source.

Advantages of using ‘Balanced” Inputs

1. Improved Signal to Noise Ratio (SIN Ratio).

2. Excellent noise cancellation characteristics.

3. Immune to noise radiated in the car audio environment.

BALANCED

+15 !&its

Right

SIgnat

Right

SiQ,-&

Shield

Power and Ground

To ensure maximum output from your Tarantula amplifier, use high quality, low-

loss power and ground cables and connections. The Tarantula amplifier will ac-

cept up to l/O gauge power and ground cables.

External Circuit Breakers and Fuses

Like all audio components, the Tarantula amplifier must be fused near the battery.

A 300 amp fuse or circuit breaker must be located within 18” of the battery. This will

prevent a fire in the event of a shorted cable.

Internal

The Tarantula amplifier is fused with a 300 amp blade-type (ANC) fuse. In the

event of a blown power supply fuse, replace with the correct value fuse. Never

replace the fuse with a higher value than what is supplied. This may result in

amplifier damage and will void the warranty!

Remote Turn-On

Connect the turn-on lead from the source unit to the “Remote” input on the ampli-

fier. When

+I2

volts is received, the amplifier will turn on.

Signal Cab/e

Depending on your application, you may use either the DIN audio balanced

signal cable or standard RCA cables to drive your Tarantula amplifier.

Speaker Cable

The Tarantula will accept up to a 4 gauge speaker cable. Use high quality, flexible,

multi-strand cable for best performance and longevity.

L’VSTALLA

T7ON

AND

MOUNXNG

AmplifierLocation

The Tarantula amplifier employs highly efficient circuitry, a custom-engineered heat

sink, and a unique

ChassisinkTM

construction to maintain lower operating tempera-

tures. Additional cooling may be required if the amplifier is located in a tightly con-

fined area or when driving especially low impedance loads at extremely high levels.

When mounting the amplifier, it should be securely mounted to a panel in the ve-

hicle or an amp board or rack that is securely mounted to the vehicle. The mount-

ing location should be either in the passenger compartment or in the trunk of the

vehicle, away from moisture, stray or moving objects, and major electrical compo-

nents.

To provide adequate ventilation, mount the amplifier so that there are at least

four inches of freely circulating air above it and at the intake vents on each side of

the amplifier.

Mounting The Amplifier

Using the amplifier as a template, mark the cut out on the mounting surface.

Remove the amplifier and cut out the hole to mount the amplifier.

Secure the amplifier to the mounting surface using the supplied hardware.

Wiring

Run and connect the audio signal and remote turn-on cables to the amplifier

from the source unit.

Carefully’ run the positive cable from the amplifier to a fuse or circuit breaker

within 18” of the battery.

Connect the fuse or circuit breaker lead to the battery. Leave the circuit breaker

off or the fuse out until everything is bolted down.

Secure the ground cable to a solid chassis ground on the vehicle. It may be

necessary to sand paint down to raw metal for a good connection.

Double check each and every connection!

Reconnect the fuse or circuit breaker.

Power Up

Power up the system, there may be a 2-3 second delay from the time the source

unit is turned on to the time that the amplifier turns on, which is normal. Once the

amplifier LED is on and the source unit is playing, you should have sound coming from

the speakers.

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