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PIONEER CORPORATION

28-8, Honkomagome 2-chome, Bunkyo-ku,

Tokyo 113-0021, JAPAN

PIONEER ELECTRONICS (USA) INC.

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

TEL: (800) 421-1404

PIONEER EUROPE NV

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

TEL: (0) 3/570.05.11

PIONEER ELECTRONICS ASIACENTRE PTE. LTD.

2 Jalan Kilang Barat, #07-01, Singapore 159346

TEL: 65-6378-7888

PIONEER ELECTRONICS AUSTRALIA PTY. LTD.

5 Arco Lane, Heatherton, Victoria, 3202 Australia

TEL: (03) 9586-6300

PIONEER ELECTRONICS DE MÉXICO S.A. DE C.V.

Blvd.Manuel Ávila Camacho 138, 10 piso

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

TEL: 52-55-9178-4270

FAX: 52-55-5202-3714

先公鋒股份有限司

台北區市內湖瑞光路407 8號樓

電話：886-(0)2-2657-3588

先公鋒電限子（）香港有司

香港九龍長沙灣道909 5號樓

電話：852-2848-6488

<5707000012780V> ES

http://pioneer.jp/en/info/globalnetwork/

Thank you for purchasing this PIONEER

product

To ensure proper use, please read through this

manual before using this product. It is espe-

cially important that you read and observe

WARNING CAUTIONs and s in this manual.

Please keep the manual in a safe and accessible

place for future r eference.

Visit our website

Visit us at the following site:

http://pioneer.jp/en/info/globalnetwork/

We offer the latest information about

PIONEER CORPORATION on our website.

If you experien ce problem s

Should this product fail to operate properly,

please contact yo ur dealer or n earest author-

ized Pioneer Service Station.

About This Product

This product is a mono amplifier for subwoofer. If

both L (left) and R (right) channels are connected

to the RCA input of this pr oduct, output is mixed

because this product is a mono amplifier.

Before connecting/

installing the amplifier

WARNING

!Slots and openings in the cabinet are provided

for ventilation to ensure reliable oper ation of

the product, and to protect it from overheat-

ing. To prevent fire hazard, the openings

should never be blocked or covered with items

(such as papers, floor mat, cl oths).

!This unit is for vehicles with a 12 V battery and

negative grounding. Before installing in re-

creational vehicles, trucks or buses, check the

battery voltage.

!When installing this unit, make sure to con-

nect the ground wir e first. E nsure that the

ground wi re is properly connected to metal

parts of the car s body. The ground wire of the’

one of this unit must be connected to the car

separately with different screws. If the screw

for the ground wir e loosens or falls out, it

could result in fire, generation of smoke or

malfunction.

!Be sure to install the fuse to the battery wire.

!Always use a fuse of the rating prescribed.

The use of an improper fuse could result in

overheating and smoke, d amage to the pro-

duct and injury, including burns.

!Check the connections of the power supply

and speakers if the fuse of the separately sold

battery wire or the amplifier fuse blows. Deter-

mine and resolve the cause, then replace the

fuse with and ide ntical equivalent.

!Always install the amplifier on a flat surface.

Do not install the amplifier on a surface that

is not f lat or on a surface with a protrusion.

Doing so c ould result in malf unction.

!When installing the amplifier, do not allow

parts such as e xtra screws to get caught be-

tween the amplifier and the automobile.

Doing so c ould cause malfunction.

!Do not allow this unit to come into contact

with liquids. Electrical shock could result.

Also, damage to this unit, smoke, and over-

heating could result from contact with liquids.

The surfaces of the amplifier and any attached

speakers may also heat up and cause minor

burns.

!In the event of any abnormality, the power

supply to the amplif ier is cut off to prevent

equipment malfunction. If this occurs, switch

the system power off and check the power

supply and speaker connections. If you are un-

able to determine the cause, plea se contact

your dea ler.

Before you start

!Always disconnect the negative terminal of*

the battery beforehand to avoid the risk of

electric shock or short circuit during installa-

tion.

!Do not attempt to disassemble or modify this

unit. Doing so may result in fire, electric

shock or other malfunction.

!When installing the amplifier, make sure to

leave space around the amplifier for ventila-

tion to improve heat radiation. And install to a

location where it cannot be touched during

operation.

CAUTION

!Always keep the volume low enough to hear

outside sounds.

!Extended use of the car stereo while the en-

gine is at rest or idling may exhaust the bat-

tery.

!This product is evaluated in moderate and tro-

pical climate condition under the Audio, vide o

and similar electronic apparatus - Safety re-

quirements, IEC 60065.

!The graphical symbol placed on the

product means direct current.

!Connect either of three subwoofers to the am-

pli fier; 1: a subwoofer with a 300 W (GM-

D8701) / 500 W (GM-D9701) or larger nominal

input and an impedance 4 W, 2: a subwoofer

with a 500 W (GM-D8701) / 800 W (GM-D9701)

or larger nominal input and an impedance 2 W

or 3: a subwoofer with a 800 W (GM-D8701) /

1 200 W (GM-D9701) or larger nominal input

and an impedance 1 W.

If the nominal input and i mpedance are out of

the above ranges, the subwoofer may catch

fi re, emit smoke or become damaged.

About the protection function

This product has protection function. When this

pr oduct detects something abnormal , the f ollow-

ing functions will operate to protect the product

and speaker output.

!The indicator will turn redPOWER/PROTECT

and the amplifier will shut down in the situa-

tions outlined below.

—If the temperature inside the amplifier gets

too high.

—If a DC voltage is applied to the speaker

output terminal.

!The indicator will turn redPOWER/PROTECT

and the output will be muted i n the situations

outlined below.

—If the speaker output terminal and speaker

wire are short-cir cuited.

Before you start

English

Español

CLASS D MONO AMPLIFIER

AMPLIFICADOR MONO DE LA CLASE D

GM-D8701

GM-D9701

Owner’s Manual

Manual de instrucciones

What’s what

GM-D8701

Front side

21 3 4

Rear side

GM-D9701

Front side

21 3 4

Rear side

To adjust the switch, use a flathead screwdri-

ver if needed.

1POWER/PROTECT indicator

The power indicator lights up to indicate

power ON.

!If something is not normal, the indicator

turns red.

2GAIN (gain) control

If the output remains low, even when the car

stereo volume is turned up, turn the con-

trols to a lower level. If distortion occurs

when the car stereo volume is turned up,

turn these controls to a higher level.

!For use with an RCA equipped car stereo

(standard output of 500 mV), set to the

NORMAL position. For use with an RCA

equipp ed Pioneer car stereo, with maxi-

mum output of 4 V or more, adjust level

to match that of the car stereo output.

!For use with an RCA equipped car stereo

with output of 4 V, set to the position.H

!If you hear too much noise when using

the speaker input terminals, turn the

gain control to higher level.

3LPF (low-pass filter) cut off frequency

control

You can select a cut off frequency from

40 Hz to 240 Hz.

4BASS BOOST REMOTE (bass boost level

remote control) jack

By connecting the Bass boost level remote

control to the jack on the main unit, you will

be able to select a bass boost level f rom

0 dB to 18 dB.

Fo r instruction of connecting the bass boost

remote contr o l to the amplifier, see the Con-

nection diagram .

Setting gain properly

!Protective function included to prevent

malfunction of the unit and/or speakers

due to excessive output, improper use or

improper connection.

!When outputting high volume sound etc.,

this fun ction cuts off the output for a few

seconds as a normal function, but output

is restored when the volume of the head

unit is turned down.

Setting the unit

!A cut in sound output may indicate impro-

per setting of the gain c o ntrol. To ensure

c ontinuous sound output with the head

unit at a high volume, set amplifier gain

control to a level appropriate for the preout

maximum output level of the head unit, so

that volume c an remain unchanged and to

control excess output.

!Despite correct volume and gain settings,

the unit sound still cuts out periodically. In

such cases, please contact the nearest

authorized Pioneer Service Station.

Gain control of this unit

Preout level: 2 V (Standard: 500 mV)

Preout level: 4 V

Above illustration sh ows gain set-NORMAL

ting.

Relationship between amplifier gain

and head unit output power

If amp lifier gain is raised improperly, this will

simply increase distortion, with little increase

in power.

Signal waveform when outputting at

high volume using amplifier gain

control

If the sign al waveform is distorted due to high

output, even if the amplifier gain is r aised, the

output power will chan ge only slightly.

Setting the unit

Connecti on diagram

f g

1Battery wire (sold separately)

!The maximum length of the wire be-

tween the fuse and the positive term-+

inal of the battery is 30 cm.

!For the wire size, refer to Connecting the

power terminal. The battery wire, the

ground wire and the optional direc t

ground w ire must be same size. After

making all other connections at the am-

plifier, connect the battery wire terminal

of the amplifier to the positive term-+

inal of the battery.

2Fuse 100 A (GM-D8701) / 150 A (GM-D9701)

(sold separately)

Each amplifier must be separatel y fused at

100 A (GM-D8701) / 150 A (GM-D9701).

3Positive terminal+

4Negative ( ) terminal*

5Battery (sold separately)

6Ground wire, Terminal (sold separately)

The ground wires must be same size as the

battery wire.

Connect to metal body or chassis.

7Car stereo with RCA output jacks (sold sepa-

rately)

8External output

9Connecting wire with RCA pin plugs (sold se-

parately)

aAmplifier with RCA input jacks (sold sepa-

rately)

bBass boost level remote control

cBass boost level remote control wire (5 m)

dRCA input jack

eRCA output jack

fSystem remote control wire (sold separately)

Connect male terminal of this wire to the sys-

tem remote control terminal of the car stereo.

The female termi nal can be connected to the

auto-antenna rel ay control terminal. If the car

stereo lacks a system remote control termina l,

connect the male termi nal to the power term-

inal via the ignition switch.

gSpeaker output terminals

Please see the following section for speaker

connection instructions. Refer to Connections

when using the speaker input wire.

hFuse 40 A × 2 (GM-D8701) / 40 A × 3 (GM-

D9701)

iFront side

jRear side

Before connec ting the

amplifier

WARNING

!Secure the wiring with cable clamps or adhe-

sive tape. To protect the wiring, wrap sections

in contact with metal parts in adhesive tape.

!Never cut the insulation of the power supply

to feed power to other equipment. Current ca-

pacity of the wire is limited.

CAUTION

!Never shorten any wires, the protection circuit

may malfunction.

!Never wire the speaker negative cable directly

to ground.

Connecti ng the units

!Never band together multiple speaker s nega-’

tive cables.

!If the system remote control wire of the ampli-

fier is connected to the power terminal via the

ignition switch (12V DC), the amplifier will re-

main on with the ignition whether the car

stereo is on or off, which may exhaust battery

if the engine is at rest or idling.

!Install and route the separately sold battery

wire as far as possible from the speaker wire s.

Install and route the separately sold battery

wire, ground wire, speaker wires and the am-

plifier as far away as possible from the anten-

na, antenna cable and tuner.

Connecti ng the speakers

This amplifier can be connected to two speak-

ers in parallel. Connect the speaker leads to

suit the mode according to the figure shown

below.

Precautions for parallel connection

!When wiring two speakers in parallel, make

sure that the synthetic imp edance is from

1 to 8 to prevent the amplifier fromW W

catching fire, generating smoke and/or

being damaged.

!When connected in parallel with the syn-

thetic impedance less than 1 W, as a nor-

mal function, this amplifier may

automatically be set on mute if outputting

high volume sound. Turn down the volume

until the mute function is canceled.

When connecting to one speaker

Speaker output

When connecting to two speakers

The output from two speakers is the same as

that of one speaker.

Speaker output

Connecti ng the units

Produktspecifikationer

Varumärke:	Pioneer
Kategori:	mottagare
Modell:	GM-D8701
Typ av operation:	Draaiknop
Färg på produkten:	Roestvrijstaal
Inbyggd display:	Nee
Bredd:	500 mm
Djup:	600 mm
Höjd:	850 mm
Energie-efficiëntieklasse:	A
Typ av material (överst):	Glaskeramiek
Brännare/kokzonseffekt 2:	1200 W
Brännare/kokzonseffekt 3:	1700 W
Brännare/kokzonseffekt 1:	1200 W
Antal brännare/kokzoner:	4 zone(s)
Typ av häll:	Keramisch
Brännare/kokzon typ 1:	Klein
Brännare/kokzon typ 2:	Medium
Typ av brännare/kokzon 3:	Groot
Total inomhuskapacitet (ugnar):	60 l
Ugnens strömkälla:	Electrisch
Antal ugnar:	1
Antal elektroniska kokzoner:	4 zone(s)
Kontrollposition:	Boven voorzijde
Ansluten last (elektrisk):	7900 W
Energiförbrukning (konventionell):	- kWu
Att laga:	Ja
Ugnsstorlek:	Middelmaat
Total ugnseffekt:	- W
Ugn med nettokapacitet:	60 l
Ugn med bruttokapacitet:	60 l
Typ av brännare/kokzon 4:	Extra groot
Brännare/kokzonseffekt 4:	1700 W
AC-ingångsspänning:	230 - 400 V
AC-ingångsfrekvens:	50 - 60 Hz
Typ produkt:	Vrijstaand fornuis