PRS-A700 - Receiver PIONEER - Free user manual and instructions

USER MANUAL PRS-A700 PIONEER

BRIDGEABLE FOUR-CHANNEL POWER AMPLIFIER

AMPLIFICATEUR DE PUISSANCE PONTABLE A QUATRE VOIES

Owner's Manual

PRS-A700

Mode d'emploi

Contents

Before Using This Product ...... 2

In case of trouble 2

CAUTION....2

CAUTION....2

WARNING 2

Setting the Unit 3

Gain Control 3

Input Select Switch 3

Cut Off Frequency Control 3

Power Indicator 4

BFC (Beat Frequency Control) Switch ..... 4

LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch 4

Connecting the Unit 5

Connection Diagram 6

Connecting the Power Terminal 7

Connecting the Speaker Output Terminals ..... 8

Connecting the Speakers and Input Wires ..... 9

Installation 11

Example of installation on the floor mat or on the chassis 11

Specifications 12

Before Using This Product

Thank you for purchasing this PIONEER product. Before attempting operation, be sure to read this manual.

In case of trouble

When the unit does not operate properly, contact your dealer or the nearest authorized PIONEER Service Station.

CAUTION

Never replace the fuse with one of greater value or rating than the original fuse. Use of an improper fuse could result in overheating and smoke and could cause damage to the product and injury including burns.

CAUTION

Diagram A - Proper

8 Ω + - Speaker 8 Ω + - Speaker L+ R- Pioneer Amplifier

4 Ω Bridged Mode

Diagram B - Improper

4 Ω + - Speaker 4 Ω + - Speaker L+ R- Pioneer Amplifier

2 Ω Bridged Mode

Do NOT install or use your Pioneer amplifier by wiring speakers rated at 4 Ω(or lower) in parallel to achieve a 2 Ω(or lower) bridged mode (Diagram B).

Amplifier damage, smoke, and overheating could result from improper bridging. The amplifier surface could also become hot to the touch and minor burns could result.

To properly install or use a bridged mode for a two-channel amplifier and achieve a 4 Ω load, wire two 8 Ω speakers in parallel with Left + and Right - (Diagram A) or use a single 4 Ω speaker. For a four-channel amplifier, follow the speaker output connection diagram for bridging as shown on the back of your amplifier, and wire

two 8 Ωspeakers in parallel to achieve a 4 Ωload or use a single 4 Ωspeaker per channel.

If you have any questions or concerns, please contact your local authorized Pioneer dealer or call Pioneer customer service.

WARNING

• Always use the special red battery and ground wire [RD-223], which is sold separately. Connect the battery wire directly to the car battery positive terminal (+) and the ground wire to the car body.
- Do not touch the amplifier with wet hands. Otherwise you may get an electric shock. Also, do not touch the amplifier when it is wet.
- For traffic safety and to maintain safe driving conditions, keep the volume low enough so that you can still hear normal traffic sound.
- Check the connections of the power supply and speakers if the fuse of the separately sold battery wire or the amplifier fuse blows. Detect the cause and solve the problem, then replace the fuse with another one of the same size and rating.
- To prevent malfunction of the amplifier and speakers, the protective circuit will cut the power supply to the amplifier (sound will stop) when an abnormal condition occurs. In such a case, switch the power to the system OFF and check the connection of the power supply and speakers. Detect the cause and solve the problem.
- Contact the dealer if you cannot detect the cause.
- To prevent an electric shock or short-circuit during connection and installation, be sure to disconnect the negative (−) terminal of the battery beforehand.
- Confirm that no parts are behind the panel when drilling a hole for installation of the amplifier. Be sure to protect all cables and important equipment such as fuel lines, brake lines and the electrical wiring from damage.
- DO NOT allow amplifier to come into contact with liquids due to, for example, the location where the amplifier is installed. Electrical shock could result. Also, amplifier and speaker damage, smoke, and overheating could result from contact with liquids. In addition, the amplifier surface and the surface of any attached speakers could become hot to the touch and minor burns could result.

Gain Control

Adjusting the gain controls A and B will help match the output of the car stereo to the Pioneer amplifier. Normally, set the gain controls to the NORMAL position. If the output is low, even when the volume of the car stereo is turned up, turn these controls clockwise. If there is distortion when the volume of the car stereo is turned up, turn these controls counter-clockwise.

• If you only use one input plug, set the gain controls for speaker outputs A and B to the same position.
• When using with an RCA equipped car stereo (standard output of 500 mV), set to the NORMAL position. When using with an RCA equipped Pioneer car stereo with max. output of 4 V or more, adjust level to match the car stereo output level.

Input Select Switch

For two-channel input, slide this switch to the left. For four-channel input, slide this switch to the right.

Cut Off Frequency Control

If the LPF/HPF select switch is set to LPF or HPF, you can select a cut off frequency from 40 to 120 Hz.

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Power Indicator

The power indicator lights when the power is switched on.

Illustration of a mechanical component with layered structure and close-up view (no text or symbols)

BFC (Beat Frequency Control) Switch

If you hear a beat while listening to an MW/LW broadcast with your car stereo, change the BFC switch using a small standard tip screwdriver.

LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch

Set the LPF/HPF select switch as follows according to the type of speaker that is connected to the speaker output connector and the car stereo system:

LPF/HPF Select Audio frequency range Speaker Remarks Switch to be output Type

LPF (Left) * — 40 to 120 Hz Subwoofer Connect a subwoofer.

OFF (Center) Full range Full range

HPF (Right) * 40 to 120 Hz — Full range Use if you want to cut the

very low frequency range* because it is not necessary for the speakers you are using.

CAUTION

• Disconnect the negative (−) terminal of the battery to avoid the risk of short-circuit and damage to the unit.
• Secure the wiring with cable clamps or adhesive tape. To protect the wiring, wrap adhesive tape around it where they lie against metal parts.

• Do not route wires where they will get hot, for example where the heater will blow over them. If the insulation heats up, it may become damaged, resulting in a short-circuit through the vehicle body.

• Make sure that wires will not interfere with moving parts of the vehicle, such as the gearshift, handbrake or seat sliding mechanism.

• Do not shorten any wires. Otherwise the protection circuit may fail to work when it should.
• Never feed power to other equipment by cutting the insulation of the power supply wire to tap from the wire. The current capacity of the wire will be exceeded, causing overheating.
• Never replace the fuse with one of greater value or rating than the original fuse. Use of an improper fuse could result in overheating and smoke and could cause damage to the product and injury including burns.

CAUTION:

To prevent damage and/or injury

• Do not ground the speaker wire directly or connect a negative (-) lead wire for several speakers.
• This unit is for vehicles with a 12-volt battery and negative grounding. Before installing it in a recreational vehicle, truck or bus, check the battery voltage.
• If the car stereo is kept on for a long time while the engine is at rest or idling, the battery may go dead. Turn the car stereo off when the engine is at rest or idling.

• If the system remote control wire of the amplifier is connected to the power terminal through the ignition switch (12 V DC), the amplifier will always be on when the ignition is on—regardless of whether the car stereo is on or off. Because of this, the battery could go dead if the engine is at rest or idling.

• Speakers to be connected to the amplifier should conform with the standards listed below. If they do not conform, they may catch fire, emit smoke or become damaged. The speaker impedance must be 2 to 8 . But in case of two-channel and other bridge connections, the speaker impedance must be 4 to 8 .

• Install and route the separately sold battery wire as far away as possible from the speaker wires. Install and route the separately sold battery wire, ground wire, speaker wires and the amplifier as far away as possible from the antenna, antenna cable and tuner.
• Cords for this product and those for other products may be different colors even if they have the same function. When connecting this product to another product, refer to the supplied Installation manuals of both products and connect cords that have the same function.

Speaker Channel Speaker Type Power

Four-channel	Subwoofer Nominal input: Min. 55 W
	Other than subwoofer Max. input: Min. 100 W
Two-channel	Subwoofer Nominal input: Min. 185 W
	Other than subwoofer Max. input: Min. 300 W
Three-channel Subwoofer	Nominal input: Min. 55 W
Speaker output A	Other than subwoofer Max. input: Min. 100 W
Three-channel Subwoofer	Nominal input: Min. 185 W
Speaker output B	Other than subwoofer Max. input: Min. 300 W

Connection Diagram

graph TD
    A["Fuse (30 A)"] --> B["Grommet"]
    A --> C["Fuse (30 A)"]
    D["Special red battery wire [RD-223"] (sold separately) After making all other connections at the amplifier, connect the battery wire terminal of the amplifier to the positive (+) terminal of the battery.] --> E["External Output If only one input plug is used, do not connect anything to RCA input jack B."]
    F["Ground wire (Black) [RD-223"] (sold separately) Connect to metal body or chassis.] --> E
    G["Connecting wire with RCA pin plugs (sold separately)."] --> H["Car stereo with RCA output jacks"]
    I["Front side"] --> J["RCA input jack A"]
    K["Input Select Switch For two-channel input, slide this switch to the left. For four-channel input, slide this switch to the right."] --> J
    L["RCA input jack B"] --> J
    M["Back side"] --> N["Fuse (20 A) ×2"]
    O["Connecting wire with RCA pin plugs (sold separately)."] --> P["Car stereo with RCA output jacks"]

Speaker output terminal See the "Connecting the Speakers and Input wires" section for speaker connection instructions.
System remote control wire (sold separately)
Connect the male terminal of this wire to the system remote control terminal of the car stereo (SYSTEM REMOTE CONTROL). The female terminal can be connected to the auto-antenna relay control terminal. If the car stereo does not have a system remote control terminal, connect the male terminal to the power terminal through the ignition switch.

Connecting the Power Terminal

• Always use the special red battery and ground wire [RD-223], which is sold separately. Connect the battery wire directly to the car battery positive terminal (+) and the ground wire to the car body.

1. Pass the battery wire from the engine compartment to the interior of the vehicle.

• After making all other connections to the amplifier, connect the battery wire terminal of the amplifier to the positive (+) terminal of the battery.

Fuse (30 A) Engine compartment Interior of the vehicle Positive terminal Fuse (30 A) Drill a 14 mm hole into the vehicle body. Insert the O-ring rubber grommet into the vehicle body.

2. Twist the battery wire, ground wire and system remote control wire.

Twist

3. Attach lugs to wire ends. Lugs not supplied.

- Use pliers, etc., to crimp lugs to wires.

Lug Ground wire Lug Battery wire

4. Connect the wires to the terminal.

• Fix the wires securely with the terminal screws.

GND terminal Power terminal System remote control terminal System remote control wire Ground wire Battery wire

WARNING

Failure to securely fasten the battery wire to the terminal using the terminal screws could cause the terminal area to overheat and could result in damage and injury including minor burns.

Connecting the Speaker Output Terminals

1. Expose the end of the speaker wires using nippers or a cutter by about 10 mm and twist.

Twist 10 mm

1. Attach lugs to speaker wire ends. Lugs not supplied.

- Use pliers, etc., to crimp lugs to wires.

Lug Speaker wire

1. Connect the speaker wires to the speaker output terminals.

• Fix the speaker wires securely with the terminal screws.

Terminal screw Speaker output terminal Speaker wire

Connecting the Speakers and Input Wires

The speaker output mode can be four-channel, three-channel (stereo + mono) or two-channel (stereo, mono). Connect the speaker leads to suit the mode according to the figures shown below.

Four-channel mode

RCA input jack A

RCA input jack B

Diagram showing electrical connections with labeled components and symbols, including a switch and battery-like elements.

Input Select Switch

For two-channel input, slide this switch to the left.

For four-channel input, slide this switch to the right.

From car stereo (RCA output) If only one input plug is used, such as when the car stereo has only one output (RCA output), connect the plug to RCA input jack A, but do not connect a plug to RCA input jack B.

Connecting wires with RCA plugs (sold separately)

one the do out (Right) Speaker out A (Left) (Left) Speaker out B (Right)

Three-channel mode

RCA input jack A

RCA input jack B

Diagram showing electrical connections with labeled components and symbols, including a switch and battery terminals.

Input Select Switch

For two-channel input, slide this switch to the left.

For four-channel input, slide this switch to the right.

From car stereo (RCA output) If only one input plug is used, such as when the car stereo has only one output (RCA output), connect the plug to RCA input jack A, but do not connect a plug to RCA input jack B.

Connecting wires with RCA plugs (sold separately)

(Right) Speaker out A (Left) Speaker out B (Mono)

Two-channel mode (Stereo)

RCA input jack A

In the case of two-channel mode connect

RCA plugs to the RCA input jack A.

Input Select Switch Slide this switch to the left. Connecting wire with RCA plugs (sold separately) From car stereo (RCA output)

Speaker (Left) Speaker (Right)

Two-channel mode (Mono)

RCA input jack A

In the case of two-channel mode connect

RCA plugs to the RCA input jack A.

Input Select Switch Slide this switch to the left. Connecting wire with RCA plugs (sold separately)

From car stereo

(RCA output)

Speaker (Mono) Speaker (Mono)

CAUTION

- Do not install in:

—Places where it could injure the driver or passengers if the vehicle stops suddenly.

—Places where it may interfere with the driver, such as on the floor in front of the driver's seat.

- Make sure that wires are not caught in the sliding mechanism of the seats, resulting in a short-circuit.

- Confirm that no parts are behind the panel when drilling a hole for installation of the amplifier. Protect all cables and important equipment such as fuel lines, brake lines and electrical wiring from damage.

• Install tapping screws in such a way that the screw tip does not touch any wire. This is important to prevent wires from being cut by vibration of the car, which can result in fire.

- DO NOT allow amplifier to come into contact with liquids due to, for example, the location where the amplifier is installed. Electrical shock could result. Also, amplifier and speaker damage, smoke, and overheating could result from contact with liquids. In addition, the amplifier surface and the surface of any attached speakers could become hot to the touch and minor burns could result.

• To ensure proper installation, use the supplied parts in the manner specified. If any parts other than the supplied ones are used, they may damage internal parts of the amplifier, or they may become loose causing the amplifier to shut down.

- Never replace the fuse with one of greater value or rating than the original fuse. Use of an improper fuse could result in overheating and smoke and could cause damage to the product and injury including burns.

CAUTION:

To prevent malfunction and/or injury

- To ensure proper heat dissipation of the amplifier, be sure of the following during installation.

—Allow adequate space above the amplifier for proper ventilation.

—Do not cover the amplifier with a floor mat or carpet.

- DO NOT allow amplifier to come into contact with liquids due to, for example, the location where the amplifier is installed. Electrical shock could result. Also, amplifier and speaker damage, smoke, and overheating could result from contact with liquids. In addition, the amplifier surface and the surface of any attached speakers could

become hot to the touch and minor burns could result.

• Do not install the amplifier on unstable places such as the spare tire board.
• The best location for installation differs with the car model and installation location. Secure the amplifier at a sufficiently rigid location.
• Make temporary connections first and check that the amplifier and the system operate properly.
  • After installing the amplifier, confirm that the spare tire, jack and tools can be easily removed.

Example of installation on the floor mat or on the chassis

1. Place the amplifier where it is to be installed. Insert the supplied tapping screws (4 × 18 mm) into the screw holes. Push on the screws with a screwdriver so they make marks where the installation holes are to be located.

2. Drill 2.5 mm diameter holes at the point marked, and install the amplifier, either on the carpet or directly to the chassis.

Tapping-screws (4 × 18 mm) — Floor mat or chassis

Drill a 2.5 mm diameter hole

Specifications

Power source 14.4 V DC (10.8 — 15.1 V allowable)

Grounding system ...... Negative type

Current consumption 28 A (at continuous power, 4 Ω)

Average current drawn* 9.7 A (4 Ω for four channels)

15.2 A (4 Ω for two channels)

Fuse 20 A × 2

Dimensions 300 (W) × 63 (H) × 330 (D) mm

Weight 5.8 kg (Leads for wiring not included)

Maximum power output 100 W × 4 / 300 W × 2

Continuous power output 50 W × 4 (at 14.4 V, 4 Ω, 20 — 20 kHz 0.08% THD)

150W× 2 (at 14.4V,4 ,20 - 20kHz0.8% THD)

75W× 4 (at 14.4V,2 ,20 - 20kHz0.8% THD)

Continuous power output (DIN power) 70 W × 4 / 210 W × 2 (DIN45324, +B=14.4 V)

Load impedance 4 Ω (2 — 8 Ω allowable)

(Bridge connection: 4 — 8 Ωallowable)

Frequency response 10 Hz — 80 kHz (+0 dB, -1 dB)

Signal-to-noise ratio 108 dB (IEC-A network)

Distortion 0.003% (10 W, 1 kHz)

Separation 70 dB (100 Hz — 10 kHz)

Slew rate 40 V/μ sec.

Damping factor 50

Low pass filter Cut off frequency: 40 — 120 Hz

Cut off slope: -12 dB/oct

High pass filter Cut off frequency: 40 — 120 Hz

Cut off slope: -12 dB/oct

Gain control 200 mV—6.5 V

Maximum input level / impedance .... RCA: 6.5 V / 22 kΩ

Note:

- Specifications and the design are subject to possible modification without notice due to improvements.

\*Average current drawn

- The average current drawn is nearly the maximum current drawn by this unit when an audio signal is input. Use this value when working out total current drawn by multiple power amplifiers.

Contenido

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3D illustration of a mechanical component with layered structure and close-up view showing internal components (no text or symbols)

Diagram showing electrical connections with labeled components and symbols, including a switch and three plug terminals.

Diagram showing electrical connections with labeled components and symbols, including a switch and three bulbs.

(D) Sal (Iz) Sal (M)

(Derecho)

Isometric view of a rectangular electronic device with a central display and mounting points (no text or symbols visible)

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Stromanzeige

Diagram showing a mechanical component with a close-up view of its internal structure (no text or symbols visible)

Diagram showing electrical connections with labeled components and symbols, including a switch and three LEDs.

Diagram showing a device's internal structure with a close-up view of its connector (no text or symbols present)

Diagram showing electrical connections with labeled components and wiring paths

Sélecteur d'entrée

(Dr Sor (Ga) (Ga Sor (Dr)

(Droite)

Diagram showing electrical connections with labeled components and a label 'C' (with sub-figure label 'v')

Sélecteur d'entrée

(Dr Sor (Ga Sor (Mo)

(Droite)

Dimensions 300 (L) × 63 (H) × 330 (P) mm

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Illustration of a mechanical component with layered structure and close-up view showing internal components (no text or symbols)

Dimensioni 300 (L) × 63 (A) × 330 (P) mm

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Spanningsindicator

Diagram showing electrical connections with labeled components and a label 'A' indicating section A.

Diagram showing electrical connections with labeled components and wiring paths

Aar (los)

Aar (los)

Slew rate 40 V/μ sec.

Dempingsfactor 50

PIONEER ELECTRONICS (USA) INC.

P.O. Box 1540, Long Beach, California 90801-1540, U.S.A.

TEL: [phone]

PIONEER EUROPE NV

Haven 1087, Keetberglaan 1, B-9120 Melsele, Belgium

TEL: [phone]

PIONEER ELECTRONICS ASIACENTRE PTE. LTD.

253 Alexandra Road, #04-01, Singapore 159936

TEL: [phone]

PIONEER ELECTRONICS AUSTRALIA PTY. LTD.

178-184 Boundary Road, Braeside, Victoria 3195, Australia

TEL: [phone]

PIONEER ELECTRONICS OF CANADA, INC.

300 Allstate Parkway, Markham, Ontario L3R OP2, Canada

TEL: [phone]

PIONEER ELECTRONICS DE MEXICO, S.A. de C.V.

Blvd.Manuel Avila Camacho 138 10 piso

Col.Lomas de Chapultepec, Mexico, D.F. 11000

TEL: [phone]

Published by Pioneer Corporation.

Copyright © 2004 by Pioneer Corporation.

All rights reserved.

Publication de Pioneer Corporation.

Copyright © 2004 Pioneer Corporation.