Power bass STA-8 Bedienungsanleitung

STA-8

AMPLIFIED BASS SYSTEM

Owners Manual

Please read through this manual to familiarize yourself with your new ampliﬁer. Should your PowerBass

Autosound speaker system ever require service, you will need to have the original dated receipt.

Congratulations on your purchase of a PowerBass Autosound speaker system. You now own a speaker of

uncompromising design and engineering from a factory that truly believes in the relentless pursuit of perfec-

tion. Incorporating the highest quality parts and state-of-the-art materials, these speakers display the ultimate

balance between high ﬁdelity, performance and long-lasting reliability.

At PowerBass USA, Inc. we are conﬁdent you will have many years of outstanding enjoyment from this great

SPEAKER investment. For maximum performance we recommend that you have your new PowerBass Auto-

sound product installed by an Authorized PowerBass Autosound Dealer.

To learn more about PowerBass, please visit us on the World Wide Web at

http://www.powerbassusa.com

∆Warning ∆

Continuous exposure to sound pressure levels in excess of 100 dB can cause permanent hearing loss. PowerBass

Autosound Speakers are capable of producing sound pressure levels well over 170 dB. Please observe all local sound

ordinances while listening to your PowerBass Autosound system. PowerBass USA, Inc. accepts no liability for hearing loss,

bodily injury, or property damage due to the result of use or misuse of this product.

Thank you and Congratulations

POWERBASS AMPLIFIED BASS SYSTEM FEATURES

BUILT-IN HIGH POWERED AMPLIFIER: Contains a high power Class A/B monaural ampliﬁer complete

with chassis mounted adjustable Gain, Low Pass Filter and Bass Eq controls for sonic integration

into most existing factory or aftermarket car stereo systems and engineered perfectly to power the

subwoofer.

HEAVY-DUTY ALUMINUM ENCLOSURE DESIGN: This enclosure is constructed from aircraft grade

aluminum that has been acoustically tuned.

REMOTE SUBWOOFER LEVEL CONTROL: This wired remote functions as a Bass Level control and can

provide 0-12dB of gain at 45Hz. The remote will not increase the output beyond the GAIN setting on the

ampliﬁer. Supplied with cable to reach your dash even when the bass enclosure is mounted under the

seat.

POLYPROPYLENE CONE WITH RUBBER SURROUND: A thermoplastic polymer cone was selected to

help resist moisture and other elements while the rubber surround offers more excursion as well as

protection against deterioration than other materials.

KSV HIGH TEMPERATURE VOICE COIL: These specially designed resin coated high temperature

Kapton® voice coils measure 1 1/2 inches in diameter to ensure high power handling and precise

linear excursion while maximizing thermal heat dissipation.

AUTO TURN-ON CIRCUIT: When using the high level inputs, the ampliﬁer will turn on automatically

when it senses a signal from your radio.

Kapton® is a registered trademark of E.I. du Pont de Nemours and Company

SPECIFICATIONS FOR STA-8 SUBWOOFER SYSTEM

(Due to Constant Improvements, Speciﬁcations and Parameters are subject to change without notice.)

Size System

Impedance

Frequency

Response

Sensitivity

1W/1M

Magnet

Size

Voice Coil

Dia.

Low Level Input

Sensitivity

High Level Input

Sensitivity

Amp Power

RMS/Peak

Single 8” 2-ohm 20Hz-200Hz 91dB 30 oz. 1.5” 250mV - 6V 1.0V - 10V 150W/300W

UNPACKING THE ENCLOSURE

Every attempt has been made to transport your new PowerBass STA subwoofer system safely. Carefully

unpack the enclosure and inspect it thoroughly for any damage that may have occurred during shipping. Notify

your local PowerBass dealer immediately should you notice any damage prior to installing the unit. Be sure to

keep the carton and packing material until your system is operational. The original boxes will do the best job

of protecting your speaker system if they need to be transported.

INSTALLATION EXPERIENCE

Installation of PowerBass Autosound Speakers requires experience with a variety of mechanical and electrical

procedures. This manual only provides general installation and operating instructions. If you have any reserva-

tions about your installation skills or lack the proper tools, please contact your local PowerBass Autosound

dealer for assistance.

IMPORTANT: This ampliﬁed subwoofer system is designed for operation in vehicles with 12-volt

Negative ground electrical systems only.

ENCLOSURE PLACEMENT TIPS & RECOMMENDATIONS

Your Powerbass Ampliﬁed Bass system must be properly placed in the vehicle for optimum performance.

Find a spot under your seats where the enclosure will not get in the way of any moving parts of the seat.

Make sure that the seat moves freely if it is adjustable.

Ideally there should be enough room around the enclosure which is also a heatsink for the ampliﬁer so it

can remain cool.

WARNING: Make sure where ever you choose to place the enclosure it’s a dry location on a solid surface.

Take care that none of the mounting screws will pierce any wiring harnesses, brake or fuel lines, the

vehicles fuel tank, spare tire or any other parts of the vehicle. Some or all of these may be located behind

or under the mounting surface.

Fig.1 Possible locations for installation

ENCLOSURE DIMENSIONS AND SPECIFICATIONS

NOTE: The speaker system must be secured to protect the enclosure from moving. Before ﬁnal mounting,

be sure to check the sound one last time and make sure the enclosure is properly placed to produce the

desired bass output. Use the four mounting brackets provided and secure them to the enclosure as shown

in the drawing above.

STA AMPLIFER CONTROL PANEL LAYOUT

Fig.2

1. GND (Ground Input Connection)

A good quality ground is required for the ampliﬁer to operate a peak performance. A short length of cable

the same gauge as your power cable (8ga is recommended) should be used to attach the ground terminal

directly to the chassis of the vehicle. Make sure that all of the paint is sanded or scraped away to ensure a

good quality ground connection.

2. REM (Remote)

The ampliﬁer in your STA enclosure can be turned on by applying 12 volts to this terminal. This can be on

the rear of the source unit (radio) in the form of an output or remote output. If this is not available you can

wire up to the ACC position on the ignition key switch. An 18ga wire is sufﬁcient to run the remote. NOTE: If

using the high input, the ampliﬁer will turn on automatically when it senses a signal from your radio. You will

not have to hook up the REM wire in this case

3. BATT+ (12 Volt Positive)

This terminal is the main power input for the ampliﬁer and must be connected directly to the positive (+)

terminal of the battery. A minimum of 8ga cable is required.

4. FUSE

For convenience most PowerBass AutoSound ampliﬁers utilize common automotive ATC type fuses. For

continued protection in the event that a fuse blows, replace the fuse only with the same value. STA-8 uses

a 15A fuse.

CAUTION: These power fuses on the ampliﬁer chassis are for protecting the amp against over current

situation. To protect the vehicles electrical system, an additional fuse should be used within 18-inches of the

battery on the 12V+ cable.

5. POWER Indicator

The top BLUE L.E.D. lights up when the power is on and the system is wired correctly. The bottom RED L.E.D.

lights up when the unit is in protection.

6. PHASE Switch

This switch will reverse the phase of the speaker output without having to touch any wiring. 0 is normal.

180 reverses the output. Select whichever setting provides the most bass.

7. REMOTE LEVEL (3.5mm Input Jack)

This is the connector port for the STA Remote Level control. Now the ampliﬁers secondary gain circuit can

be adjusted from the driver’s seat.

8. LPF (Low Pass Filter) Control

This ﬁlter allows the low pass of frequency and has an adjustable crossover point from 40Hz to 200Hz. A

setting of 40Hz will produce only the low frequencies (deep bass). A max setting of 200Hz will allow the

ampliﬁer to produce a more punchy (higher) bass response.

9. BASS EQ Control

This equalization circuit is used to enhance the low frequency response of the vehicles interior. With up to

12dB of boost centered at 45Hz the Bass EQ can be adjusted to meet your personal taste. Please note that

by boosting the Bass EQ to its full +12dB you are asking the ampliﬁer to work 10 times harder!

10. GAIN Control

This control is used to match the sensitivity of the ampliﬁer to the particular source unit (radio) that you are

using up to 250mV - 10V. Please note the GAIN control is not a volume control, it is a level match.

11. HIGH INPUT

Use the High Input 6-pin Molex style jack when connecting to the speaker leads directly from a factory radio

without the use of a low level convertor. Be sure to observe the correct speaker polarity. (Do not use if you

are using the LOW INPUT from the RCA jacks).

12. LOW INPUT (RCA) Jacks

These RCA style input jacks are for use with source units that have RCA line level inputs. A source unit with

a minimum output of 250mV is required for proper operation. However, this input can accept levels up to

6Vrms.

POWER WIRING AND SIGNAL CONNECTIONS

POWER CONNECTION

BATT+ The ampliﬁer should be wired directly to the vehicle battery using a 8ga power cable. Start at the

vehicle battery and run the power cable through the vehicle’s ﬁrewall using grommets to the ampliﬁer’s BATT

+ screw terminal. If factory grommets are not available install grommets yourself to protect the cable from

sharp metal edges.

Avoid running the power cable over the engine components and near heater cores. The use of an in-line fuse

or circuit breaker is a must, this will prevent the risk of potential ﬁre caused by a short in the power cable.

Connect the fuse holder or circuit breaker as close to the battery positive (+) terminal as possible (no farther

than 18-inches from the battery).

The fuse or breaker amperage should be no greater than the fuse rating found on the ampliﬁer control panel

located on the side of the STA enclosure. You can now connect the cable to the battery, but remember to leave

the fuse out or the circuit breaker “off” until the other cable connections are made. It is highly recommended

that the cable end connecting to the ampliﬁer is terminated with a spade or ring terminal.

IMPORTANT—You MUST install a fuse holder with an appropriate fuse in line with the power cable

no further than 18-inches from the battery.

REM Run 18ga wire (not included) to the radio lead or remote output. This wire is responsible for turning the

ampliﬁer on and off. If the source unit (radio) is not equipped with a Remote lead you can connect this wire

to an accessory or ignition point at the vehicle fuse block. In this type of installation, the ampliﬁer will be on

whenever the ignition is on.

GND A cable of the same size (gauge) as the power cable should be used to ground the ampliﬁer. Connect

the ground wire from the screw terminal marked GND on the ampliﬁer control panel to the nearest bare-metal

surface on the vehicle. Keep the length of the ground cable to an absolute minimum using a spade terminal

at the ampliﬁer end and ring terminal as shown in below at the chassis end (Fig 3).

Bolt

Note: Remove any paint

below ring connector

Star Washer

Ring Connector

Ground Wire

Fig.3

INPUT SIGNAL

(CHOOSING THE HIGH OR LOW INPUTS)

The STA amplifer control panel input signal connects to the head unit’s High Level (speaker wire) output

OR Low Level (RCA) output—provided the radio is so equipped with Line Out. A dedicated subwoofer or

low level signal will deliver the best performance. If unavailable use the high level inputs, as will be the

case with most factory head units. (Note once you have chosen whether you will use the High Level or

Low Level inputs follow the corresponding wiring diagrams on the following pages)

NOTE: Never use BOTH High and Low Level inputs at the same time. You must select one or the other!

High Level Input Connections (ﬁg 4)

For radios with only speaker outputs (including most Factory source units). Using the 6-pin Molex style

wiring harness provided, splice directly into the radio’s speaker outputs. Do not break the connection with

the source (radio) and the speakers. Be sure to maintain proper speaker polarity.

Another option is to tap off the existing front or rear full range speakers. Once again be sure to follow

the correct polarity.

NOTE: If using the high input, the ampliﬁer will turn on automatically when it senses a signal from your

radio. You will not have to hook up the REM wire in this case.

Wire Color Connect to

Red

Yellow

Black

Red

Yellow

Left +

Left -

Ground

Right +

Right -

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