Rockford Fosgate PA-1HD Bedienungsanleitung

Dear Customer:

Congratulations on your purchase of America’s finest car audio components. At Rockford

Fosgate we are committed to musical reproduction at its best, and we are pleased you chose

our product. Through years of engineering expertise, hand craftsmanship and critical

testing procedures we have produced a wide range of products that reproduce music with

all the clarity and richness you deserve.

For maximum performance we recommend you have your new Rockford Fosgate product

installed by an Authorized Rockford Fosgate Dealer, as we provide specialized training

through Rockford Technical Training Institute (RTTI). The length and nature of your

warranty are dramatically affected if you install the product yourself. Please read your

warranty and return your receipt and original carton for possible future use.

For your musical enjoyment, Rockford Fosgate offers everything from two channel

Punch

amplifiers, the more powerful four channel Power amplifiers, to three lines of

speakers: Pro Series, The Punch

, and Series One™, In addition, we offer two-, three- and

four-way speaker systems, and subwoofer and full range enclosures. For sound reproduc-

tion at its best, we offer signal processors: equalizers, pre-amps, and crossovers.

To insure overall installation quality, Rockford provides top quality wire, connectors,

carpet, grille cloth, “Colours” speaker grilles and amplifier shrouds, high output alterna-

tors, and many more accessories through our Perfect Interface division.

To add the finishing

touch

to your new Rockford Fosgate image, order your Rockford

P.0.P

which includes everything from t-shirts and jackets, to key chains and neon hats.

To get a free brochure on Rockford Fosgate products and Rockford P.O.P., please call 602-

967-3565 or FAX 602-967-8132.

And Remember.. .

PRACTICE SAFE

SOUND™

CONTINUOUS EXPOSURE TO SOUND PRESSURE LEVELS OVER 100dB

MAY CAUSE PERMANENT HEARING LOSS. HIGH-POWEREDAUTOSOUND

SYSTEMS MAY PRODUCE SOUND PRESSURE LEVELS WELL OVER 130dB.

USE COMMON SENSE AND PRACTICE SAFE SOUND.

INTRODUCTION

The

Rockford

Fosgate PA-l HD

PA-1 is an automotive stereo

pre-amplifier which will provide state-of-the-art sound in cars,

vans, boats, or wherever a 9 to 16 volt battery is available.

The Punch®adjustable input circuits are designed to match

almost any music source, from low preamp levels to speaker

levels, with negligible noise.

Three rotary potentiometers control bass,

midbass,

and treble

equalization circuits specially designed to compensate for the

response errors present in most mobile installations.

Unlike conventional tone controls, the

Punch

®equalization cor-

rects the specific problems of poor low bass response, mid-bass

bulge, and high frequency

rolloff.

The result is full-range sound

without excessive boost in areas where it is not needed.

FEATURES DESCRIPTION

(PA-1

pictured)

Volume Control

Front to rear fader, along with a non-faded output.

Bass equalizer designed to compensate for the special

acoustic problems of automobiles

L.E.D. lights (differs slightly on PA-l)

Midbass

equalizer designed to address the mid bass

bulge common to most cars

Treble control to set the desired level of brilliance

Input:

-1: Tape -2: CD

CD switchable input gain

Tape switchable gain

Clipping indicators adjustable gain

CD inputs

Tape Inputs

Non-faded Outputs

Rear Outputs

Front Outputs

Power Connection (White Wire)

Ground Connection (Black Wire)

Turn-on Connection (Red Wire)

Adjustable gains for optimum signal to noise ratio.

Full floating supply for superior noise ratio.

Handcrafted in U.S.A.

INPUT LEVEL CONTROLS

The PA-l HD

PA-1 input level controls are accessible with a

jeweler’s screwdriver through four holes in the cover (left and

right tape

[#9]

and left and right compact disc [#8]). The controls

are factory preset to a level which matches most 500 millivolt to

1 Volt rated preamp-output source units.

If you are using the speaker-out leads of the source unit, turn the

PA-l HD

PA-l input controls fully counterclockwise to their

minimum gain position.

If the volume control of the source is “touchy” and/or noisy-that

is, if just a little volume from the source drives the system into

distortion-reduce the PA-l HD/PA-l input gaincontrols so thatthe distortion is not audible until the source volume is at about

3/4

of its rotation.

If maximum volume from the source won’t drive the amplifier

into distortion, increase the PA-l HD

PA-l input gain controls

until distortion is audible at about 3/4 volume.

CLIPPING LEVEL INDICATORS

The PA-l HD

PA-l clipping level indicator [#10] controls are

accessible with a jeweler’s screwdriver through a hole in the

cover. The controls are factory preset to a level which matches

most 400 millivolt input amplifiers.

The best way to adjust the clipping indicators is to hook an

oscilloscope to the output of the amplifier and turn the pot until

the clipping lights (the two outside red lights) just flash when the

amplifier starts to clip. Without an oscilloscope, adjust the

controls so that the clipping indicators flash before clipping

becomes audible.

TURN-ON CONNECTION

(RED WIRE)

The PA-l HD

PA-l is turned on by applying Positive 12 Volts

to the red wire

[#18].

Usually, the red wire is connected to the

source unit’s “Accessory” or “Auto-Antenna” lead, either of

which will go positive when the source is turned on.

Although the majoriiy of high-quality automotive source units

have an Accessory or Auto-Antenna output, there are many

which may require different turn-on methods. If the source has

no Auto-Antenna lead (or if Auto-Antenna goes down during

tape operation):

a.)

Find the internal switched power voltage inside the source

unit and solder a lead to it. Run the lead out through the

back of the unit (being sure to use a grommet for insulation

from the case) and connect to the pre-amplifier turn-on

wire.

Or: install a switch in the car with one terminal connected

+12

volts and the other to the PA-1 HD

PA-1 red lead.

Or: Connect the PA-1

HD/

PA-l red lead to accessory point

at the vehicle’s fuse block. In this case the pre-amplifier will

be on wheneverthe vehicle is on. This method will allow the

system to amplify any noise and turn-on and turn-off trans-

ients, and may therefore be unsatisfactory.

POWER CONNECTION

(WHITE WIRE)

The White wire

[#16]

must be connected directly to a positive

terminal of the battery or to the fuse block to provide a power

source with a low voltage drop and low noise. If the power wire

must be extended, use only 18-gauge or larger wire and make

a good splice.

It is best to use as short a wire run as possible. DO NOT run the

power wire next to the input cabling to the pre-amplifier: it will

induce noise.

Avoid running the White power wire near the radio’s antenna or

power leads, or near sensitive equipment or harnesses. The

White power wire could induce noise.

The White wire is provided with an in-line

3/4

ampere fuse. Do

not use a larger fuse or the pre-amplifier will not be adequately

protected.

GROUND CONNECTION

(BLACK WIRE)

The ground wire [#17] must be connected directly to the vehicle

chassis, near the pre-amplifier. Ground loops are aggravated

by the length of the ground wire or any resistance in the ground

path. For this reason we do not recommend extending the

ground wire in any installation.

The ground point in the car should be a piece of chassis metal

that is welded to the main body of the vehicle. Painted surfaces

should be scraped or sanded clean before the ground lug is

bolted down. (Cover the bare-metal area with paint or grease to

prevent rust

SPECIFICATIONS

NOISE:

Signal to nose less than

-9OdB.

DISTORTION:

Less than

0.01%THD+N

(Total Harmonic Distortion & Noise).

PREAMP FREQUENCY RESPONSE:

All controls flat:

20Hz

to 10,000 Hz

±.5dB

EQUALIZER CONTROLS:

Bass Equalizer:

±l2dB

45Hz

Midbass:

±l2dB

180Hz

Treble:

±12dB

20,000Hz

CURRENT DRAW:

250

milli-Amperes.

DIMENSIONS: PA-1 HD

6.850” x 3.6” x

1”

174mm x

91.4mm

x 25.4mm

DIMENSIONS: PA-1

6.75” x 3.5” x 1.5”

171.4mm

88.9mm

x 38.1mm

NOTE: Specifications subject to change without notice.

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