KMF-X9000
POWER AMPLIFIER
INSTRUCTION MANUAL
B60-5097-08 01 KO (Y,E)
0103
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Unpacking
Unpack the unit carefully and make sure that all accessories
are put aside so they will not be lost.
or company receiving the unit) can file a claim against the car-
rier for shipping damage.
Examine the unit for any possibility of shipping damage. If your
unit is damaged or fails to operate, notify your dealer immedi-
ately. If your unit was shipped to you directly, notify the ship-
ping company without delay. Only the consignee (the person
We recommend that you retain the original carton and packing
materials for use should you transport or ship the unit in the
future.
Accessories
Audio cord (1)
Stereo mini-plug cord (1)
Speaker terminal cover (1) (Except for Europe)
Installation
7Notes on heat generation
• This unit incorporates a ventilation fan to process heat gen-
erated during operation. As the fan starts to rotate automati-
cally when the internal temperature of this unit rises, avoid
installing or setting which may prevent ventilation of the unit.
* Leave clearance of more than 10 cm (4 in.) to the left and
right, more than 50 cm (20 in.) above and more than 10 cm
(4 in.) in front and rear of the unit. Also, do not close the
surroundings of the unit tightly when it is mounted on a rack.
• The ventilation fan of this unit has been designed to intake
More than
50 cm (20 in.)
More than
10 cm (4 in.)
More than
10 cm (4 in.)
More than
10 cm (4 in.)
More than
10 cm (4 in.)
external air into the unit. If curtain or a piece of paper is attracted by the air intake, the internal temperature will rise and protection
circuitry will be activated. In this case, the sound will not be output.
Connections
Make connection as shown below. When connecting the related system components, refer also to the instruction manuals of the
related components. Do not plug in the power lead until all connections are completed.
7Connections of speaker cords
Connections of speaker cords
For U.S.A.
CAUTION:
1 Strip coating.
2 Loosen.
3 Insert.
4 Secure.
If the unit is used in the U.S.A., please read the
supplement to the operating instruction entitled
“Connection of speaker cords”.
Warning!
Connection of banana plugs (Except for some countries, like
Singapore, etc.)
Particular attention must be given to making
good electrical contact at the amplifier-output
and speaker terminals.
1 Secure.
2 Insert.
Poor or loose connections can cause sparking
or burning at the terminals because of the very
high power that the amplifier can deliver.
• Sound will not be heard if the speaker terminal is not fully secured.
CAUTIONS:
•
•
•
•
Connect all cords firmly. If connections are loose, there could be loss of sound or noise produced.
Never attempt to connect two or more speaker cords to a single speaker terminal.
Never short-circuit the + and - speaker cords.
If the left and right speakers are connected inversely or if the speaker cords are connected with reversed polarity, the sound
becomes unnatural with ambiguous acoustic image positioning. Be sure to connect the speakers and speaker cords correctly.
EN
3
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72-Channel stereo configuration
This is the ‘standard’ stereo operation mode, with the amplifier driving 2 speakers in stereo (such as the Surround Back Left and
Surround Back Right speakers in a THX Surround EX® home theater system). The amplifier delivers its rated stereo power output
into each speaker.
1
2
Make sure that the KMF-X9000’s power cord is unplugged from the wall outlet before making any connections.
According to the speakers to be used, set the speaker impedance selector switch as follows:
• For 2 Ω speakers: Set the 2Ω (STEREO)/6Ω OVER switch to 2Ω (STEREO) and 6Ω OVER/2Ω switch to 2Ω.
• For 6-16 Ω speakers: Set the 2Ω (STEREO)/6Ω OVER switch to 6Ω OVER and 6Ω OVER/2Ω switch to 6Ω OVER.
3
Connect the amplifier as shown in the diagram.
KRF-X9995D
Preamplifier
DTS-ES
SURROUND
BACK
CD
2
/
TAPE
2
CLIP
D
I
S
C
R
E
T
E
6
.
1
M
A
T
R
I
X
6
.
1
NEO
:
6
P
R
O
L
O
G
I
C
96kfs
M
O
N
I
T
O
R
I
N
D
I
C
A
T
O
R
Stereo mini-plug cord (supplied)
For 12 V RELAY CONTROL, see page 6.
Audio cord (supplied)
ON :+12 V
OFF:OPEN (or GND)
* In the case of 2 Ω
In the case of 6 Ω
To wall AC outlet
Speakers
(2Ω-16Ω)
NC
GND
For RELAY CONTROL connec-
tion to KRF-X9995D or other
compatible unit, see page 6.
Right
(R SURROUND
BACK)
Left
(L SURROUND
BACK)
* If you connect more than one pair of speakers to the KMF-X9000, move the 2Ω (STEREO)/6Ω OVER (THX) switch to the 2Ω
(STEREO) position. The amplifier’s performance is not THX®-certified when the switch is set in the 2Ω (STEREO) position.
Now you can plug the power cord of this unit into the AC outlet!
CAUTION:
Before reconnecting a speaker cord or switching a selector switch, turn OFF the power and unplug the power
cord to avoid malfunctions or damage to the unit.
EN
4
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7Mono (bridged, or BTL) configuration
In this configuration, the KMF-X9000’s two individual channels operate together to drive a single speaker (such as a subwoofer) in
mono. This allows the amplifier to deliver more than double the power of one of its channels to the speaker.
1
2
Make sure that the KMF-X9000’s power cord is unplugged from the wall outlet before making any connections.
According to the speakers to be used, set the speaker impedance selector switch as follows:
• For 6-16 Ω speakers: Set the 2Ω (STEREO)/6Ω OVER switch to 6Ω OVER and 6Ω OVER/2Ω switch to 2Ω.
3
Connect the amplifier as shown in the diagram.
• Make sure to connect the audio input cable to the MONO/BTL input.
Except for Europe
Note: Since bridged operation produces enough output power to pose a small risk of electrical shock from the speaker termi-
nals, please attach the terminal cover as shown in the diagram below:
KRF-X9995D
DTS-ES
SURROUND
BACK
CD
2
/
TAPE
2
CLIP
DISCRETE 6.1 MATRIX 6.1
NEO
:
6
PRO LOGIC
96kfs
M
O
N
I
T
O
R
I
N
D
I
C
A
T
O
R
When a monaural
pre-out signal is to
be connected, be
sure to connect it to
the MONO/BTL
terminal.
Stereo mini-plug cord (supplied)
Audio cord (not supplied)
For 12 V RELAY CONTROL, see page 6.
Except for Europe
Mount the supplied
speaker terminal cover
using the two screws that
are attached to the unit.
To wall AC
outlet
Subwoofers
(6Ω-16Ω)
Now you can plug the power cord of this unit into the AC outlet!
CAUTION:
Before reconnecting a speaker cord or switching a selector switch, turn OFF the power and unplug the power
cord to avoid malfunctions or damage to the unit.
EN
5
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72-Channel mono configuration
In this configuration you can connect 2 speakers (such as 2 subwoofers) to the KMF-X9000 and send a single preamp signal (such as a
mono subwoofer output) to both speakers without using a Y-adapter. The amplifier delivers its rated stereo power output to each speaker.
1Make sure that the KMF-X9000’s power cord is unplugged from the wall outlet before making any connections.
2According to the speakers to be used, set the speaker impedance selector switch as follows:
• For 2 Ω speakers: Set the 2Ω (STEREO)/6Ω OVER switch to 2Ω (STEREO) and 6Ω OVER/2Ω switch to 2Ω.
• For 6-16 Ω speakers: Set the 2Ω (STEREO)/6Ω OVER switch to 6Ω OVER and 6Ω OVER/2Ω switch to 6Ω OVER.
3Connect the amplifier as shown in the diagram.
• Make sure to connect the audio input cable to the MONO/BTL input.
KRF-X9995D
Stereo mini-plug cord (supplied)
When a monaural pre-
out signal is to be
connected, be sure to
connect it to the
MONO/BTL terminal.
Audio cord (not supplied)
For 12 V RELAY CONTROL, see below.
* In the case of 2 Ω
In the case of 6 Ω
To wall AC outlet
Subwoofers
(2Ω-16Ω)
(Right)
(Left)
* If you connect more than one pair of speakers to the KMF-X9000, move the 2Ω (STEREO)/6Ω OVER (THX) switch to the 2Ω
(STEREO) position. The amplifier’s performance is not THX®-certified when the switch is set in the 2Ω (STEREO) position.
Now you can plug the power cord of this unit into the AC outlet!
CAUTION:
Before reconnecting a speaker cord or switching a selector switch, turn OFF the power and unplug the power
cord to avoid malfunctions or damage to the unit.
712 V Relay power control
The KMF-X9000 can be powered on and off by a 12 volt trigger signal from a compatible component (such as the Kenwood
KRF-X9995D receiver).
1
2
Make sure that the KMF-X9000’s power cord is unplugged from the wall outlet before making any connections.
Connect the supplied mini cable to the KMF-X9000’s RELAY CONTROL input and the 12 V relay control output of the
KRF-X9995D or other compatible component.
• When the KMF-X9000’s POWER switch is turned ON, the amplifier will remain in the STANDBY mode (the STANDBY
indicator will be lit) as long as there is no signal at the RELAY CONTROL input.
• The KMF-X9000 will automatically turn ON when a 12 V signal is applied to the RELAY CONTROL input.
•
When the 12 V signal is removed from the KMF-X9000’s RELAY CONTROL input, the amplifier will go back into the STANDBY mode.
• If there is no cable connected to the KMF-X9000’s RELAY CONTROL input, the amplifier’s STANDBY indicator will not
function, and its ON/OFF status will be controlled by the POWER switch.
EN
6
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Controls and indicators
This unit has the following switch and indicators.
The power indicator and the STANDBY indicator will let you know the status of this unit.
POWER switch
Press to turn the power
ON/OFF.
STANDBY indicator*
Power indicator
Lights while the power is ON.
Lights when this unit is in Standby mode.
Will blink if the internal thermal protection
circuitry is activated.
BRIDGEABLE
POWER AMPLIFIER
*: The STANDBY indicator is activated only when the supplied mini-plug cord is connected between this unit and the KENWOOD
receiver (such as the Kenwood KRF-X9995D receiver). The STANDBY indicator will light when the KENWOOD receiver is turned
OFF and it will go out when the KENWOOD receiver is turned ON.
When the supplied mini-plug cord is not used, the STANDBY indicator does not work.
Standby mode
While the standby indicator is lit, a small amount of power is supplied to the system to back up the memory. This is called standby
mode. Under the condition, the system can be turned ON by the remote control unit.
In case of difficulty
7Operation to reset
The microcomputer may malfunction when the power cord is unplugged while power is ON or due to an external factor. In this
case, execute the following procedure to reset the microcomputer and return it to normal condition.
• Unplug the power cord from the AC outlet and, while holding the POWER switch depressed, plug the power cord into the AC
outlet again.
7Troubleshooting
Symptom
Cause
Remedy
Sound is not output from
one or all speakers.
• The speaker cords are disconnected.
• The audio cords are disconnected.
• Connect them properly referring to “Connections”.
• Connect them properly referring to “Connections”.
•
The STEREO/BTL switch is not set properly. • Set it properly referring to “Connections”.
The STANDBY indicator blinks
and sound is not output.
• Speaker cords are short-circuited.
• Turn the power OFF, eliminate the short-circuit-
ing, then turn ON the power again.
• The internal temperature of the unit rose • Turn the power OFF and wait until the internal
and the protection circuitry was acti-
vated.
temperature drops. After ensuring that the tem-
perature has dropped, turn the power ON again.
As the current installation condition may not be
appropriate, improve it following the “Notes on
heat generation”.
STANDBY indicator does not
lights.
• The cord for RELAY CONTROL is not • Connect it between this unit and the KENWOOD
connected.
receiver (such as the Kenwood KRF-X9995D re-
ceiver).
EN
7
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Specifications
Power amplifier section
Rated power output
General
Power consumption ..................................................... 3.5 A
ꢀ For other countries
...................................................................... 320 W
......................................... Less than 2 W (Standby)
STEREO MODE
130 watts per channel minimum RMS, both channels
driven at 6 Ω, from 20 Hz to 20,000 Hz with no more
than 0.02 % total harmonic distortion (FTC)
MONO (BTL) MODE
Dimensions
W: ................................................... 440 mm (17-5/16")
H: ..................................................... 128 mm (5-1/32")
D: ................................................... 385 mm (15-5/32")
Weight (net ) ............................................... 12.3 kg (27.2 Ib)
270 watts minimum RMS, at 6 Ω, from 20 Hz to 20,000
Hz with no more than 0.03 % total harmonic distor-
tion (FTC)
• KENWOOD follows a policy of continuous advancements in
development. For this reason specifications may be changed
without notice.
• Manufactured under license from Lucasfilm Ltd. Lucasfilm
and THX are trademarks or registered trademarks of
Lucasfilm Ltd.
Frequency response
MAIN IN .......................... 5 Hz ~ 100 kHz, +0 dB, –3 dB
Signal to noise ratio
(IHF'66)
MAIN IN ....................................................... 115 dB
Input sensitivity / Impedance
For U.S.A.
STEREO MODE
MAIN IN .............................................. 1.1 V / 20 kΩ
MONO (BTL) MODE
FCC WARNING
This equipment may generate or use radio frequency en-
ergy. Changes or modifications to this equipment may cause
harmful interference unless the modifications are expressly
approved in the instruction manual. The user could lose the
authority to operate this equipment if an unauthorized
change of modification is made.
MAIN IN ............................................. 1.5 V/ 100 kΩ
ꢀ For Europe
(IEC)
STEREO MODE
From 20 Hz to 20,000 Hz, 0.7 % T.H.D. at 6 Ω
........................................................ 130 W+ 130 W
MONO (BTL) MODE
NOTE:
This equipment has been tested and found to comply with
the limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide rea-
sonable protection against harmful interference in a resi-
dential installation. This equipment may cause harmful
interference to radio communications, if it is not installed
and used in accordance with the instructions. However,
there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be
determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or
more of the following measures:
From 20 Hz to 20,000 Hz, 0.7 % T.H.D. at 6 Ω
...................................................................... 270 W
(DIN)
STEREO MODE
1 kHz, 0.7 % T.H.D. at 6 Ω ............... 145 W + 145 W
MONO (BTL) MODE
1 kHz, 0.7 % T.H.D. at 6 Ω ................................285 W
Total harmonic distortion
STEREO MODE
..................... 0.02 % (20 Hz ~ 20 kHz, 130 W, 6 Ω)
................................. 0.0018 % (1 kHz, 130 W, 6 Ω)
........................................ 0.05 %(1 kHz, 50 W, 2 Ω)
MONO (BTL) MODE
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and re-
ceiver.
..................... 0.03 % (20 Hz ~ 20 kHz, 270 W, 6 Ω)
................................. 0.0018 % (1 kHz, 270 W, 6 Ω)
• Connect the equipment into an outlet on a circuit differ-
ent from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician
for help.
For your records
Record the serial number, found on the back of the unit, in
the spaces designated on the warranty card, and in the space
provided below. Refer to the model and serial numbers when-
ever you call upon your dealer for information or service on
this product.
Model
Serial Number
8
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