OWNER'S MANUAL
KPM8420
Congratulations on the purchase of your new Kustom amp! Your new KPM8420
Powered mixer successfully draws on more than 30 years of amplifier design and
manufacturing experience at Kustom. This amp was planned from the ground up by
our engineers to offer top-notch tone and dependable performance. Inside this manual,
you'll find handy information about the amp's features. We wish you many years of
enjoyment with your Kustom KPM8420 Powered Mixer.
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FRENCH
Danger
L‘exposition a des niveaux eleves de bruit peut provoquer une perte permanente
de l’audition, Chaque organisme humain reagit differemment quant a la perte de
l’audition, mais quasiment tout le monde subit une diminution de I’acuite auditive
lors d’une exposition suffisamment longue au bruit intense. Les autorites
competentes en reglementation de bruit ont defini les expositions tolerees aux
niveaux de bruits:
6. Utiliser exclusivement un chiffon sec pour nettoyer ce produit.
7. Ne bloquér aucune ouverture de ventilation. Ne pas placer le
produit tout contre un mur ou dans une enceinte fernée, cela
gênerait le flux d'air nécessaire au refroidissement.
8. Ne pas placer le produit près de toute source de chaeur telle que
radiateurs, arrivées d'air chaud, fourneaux ou autres appareils
générant de la chaleur (incluant les amplificateurs producteurs
de chaleur) .
DURE EN HEURES PAR JOUR
8
6
4
3
2
1
INIVEAU SONORE CONTINU EN dB
90 93 95 97 100 103
9. Ne pas négliger la sécurité que procure un branchement polarisé
ou avec raccordement à la terre, Un branchement polarisé
comprend deux fiches dont l'une est plus large que l'autre. Un
branchement à la terre comprend deux fiches plus une troisième
reliée à la terre. Si la fiche secteur fournie ne s'insert pas dans
votre prise de courant. consulter un 'électricien afin de remplacer
votre prise obsolète.
Selon les autorites, toute exposition dans les limites citees ci-dessus, peuvent
provoquer certaines pertes d’audition. Des bouchons ou protections dans
l’appareil auditif ou sur l’oreille doivent etre portes lors de l’utilisation de ce
systeme d’amplification afin de prevenir le risque de perte permanente de
l’audition, Dans le cas d’expositions superieures aux limites precitees il est
recommande, afin de se premunir contre les expositions aux pressions
acoustiquese I evees potentielIement dangeure u ses, aux personnes exposees
aux equipements capables de delivrer de telles puissances, tels ce systeme
d’amplification en fonctionnement, de proteger l’appareil auditif.
10. Protéger le cordon d'alimentation de tout écrasement ou
pincement, particulièrement au niveau des fiches, des
réceptacles utilisés et à l'endroit de sortie de l'appareil. Ne pas
casser la fiche de terre du cordon d'alimentation.
ATTENTION
RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR.
ATTENTION: AFIN DE LlMlTER LE RISQUE DE CHO ELECTR/QUE, NE
PAS ENLEVER LE CHASSIS. NE CONTIENT PAS DE
PIECES POUVANT ETRE REPAREE PAR L’UTILISATEUR.
CONFER LE SERVICE APRES-VENTE AUX
11. Utiliser uniquement les accessoires spécifiés par le constructeur.
12. Utiliser uniquement avec le chariot de transport, le support, le
trépied, la console ou la table spécifiés par le constructeur ou
vendus avec l'appareil. Lors de l'utilisation d'un chariot, bouger
avec précaution l'ensemble chariotlappareil afin d'éviter les
dommages d'un renversement.
REPARATEURS
CE SYMBOLE A POUR BUT D'AVERTIR L'UTILISATEUR DE LA PRESENCE
DE VOLTAGE DANGEREUX NON-ISOLE A L'INTERIEUR DE CE PRODUIT QUI
PEUT ETRE DE PUISSANCE SUFFISAMMENT IMPORTANTE POUR
PROVOQUER UN CHOC ELECTRIQUE AUX PERSONNES.
13 Débrancher cet appareil lors d'orages ou s'il n'est pas utilisé
pendant une longue période.
CE SYMBOLE A POUR BUT D'AVERTIR L'UTILISATEUR DE LA PRESENCE
D'INSTRUCTIONS D'UTILISATION ET DE MAINTENANCE DANS LES
DOCUMENTS FOURNIS AVEC CE PRODUIT.
14. Des précautions doivent être prises afin qu'aucun objet ne tombe
et qu'aucun liquide ne se répande à l'intérieur de l'appareil par
les orifics de ventilation ou n'importe quelle autre ouverture.
15. Pour toutes interventions techniques s'adresser à un technicien
qualifié.L'intervention technique est nécessaire lorsque l'appareil
a été endommagé de n'importe quelle façon, comme par
exemple si le cordon secteur ou sa fiche sont détériorés,si du
liquide a coulé ou si des objets sont tombés à l'intérieur de
l'apparei1,si l'appareil a été exposé à la pluie ou à l'humidité, s'il
ne fonctionne pas normalement ou s'il est tombé.
IMPORTANTES INSTRUCTIONS DE SECURITE
1. Lire avec attention toutes les recommandations et précautions
d'emploi avant d'utiliser ce produit.
2. Toutes les recommandations et précautions d'emploi doivent être
conservées afin de pouvoir s'y reporter si nécessaire.
3. Lire et comprendre tous les avertissements énumérés dans les
précautions d'emploi.
4. Suivre toutes les précautions d'emploi pour utiliser ce produit.
5. Ce produit ne doit pas être utilisé près d'eau, comme par
exemple baignoires, éviers, piscine, sous-sol humides ... Etc.
16. ATTENTI0N:Pour réduire le risque d'incendie ou de choc
electrique ne pas exposer l'appareil à la pluie ou à l'humidité.
3
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Front and Rear Panel Layout
DIGITAL
EFFECTS
Effects 1
Effects 2
Effects 1
Effects 2
Effects 1
Effects 2
Effects 1
Effects 2
Effects 1
Effects 2
Effects 1
Effects 2
Effects 1
Effects 2
Effects 1
Effects 2
Effects 1Monitor
Model KPM8420
200x2 Watt Powered Mixer
Effects 1 Main
Small Room
Monitor
Limiter
Up
Large Room
Small Hall
Large Hall
Chorus
+12
+6
0
+6
+3
0
Effects 1
Down
Treble
Mid
Treble
Mid
Treble
Mid
Treble
Mid
Treble
Mid
Treble
Mid
Treble
Mid
Treble
Mid
-6
Chorus/Rev
Slapback
Echo
-12
-5
MONITOR
MASTER
-10
100
250
500
1K
2K
4K
10K
Effects 2 Monitor
Bass
Bass
Bass
Bass
Bass
Bass
Bass
Bass
Feedback Notch
Playback Volume
Monitor Volume
Effects 2 Main
Short Room
Main
Limiter
Monitor
Main
Monitor
Main
Monitor
Main
Monitor
Main
Monitor
Main
Monitor
Main
Monitor
Main
Monitor
Main
Up
Med Room
Small Hall
Med Hall
+12
+6
0
+6
+3
0
Effects 2
Down
Chorus
-6
Chorus/Rev
Chorus/Hall
Short Delay
-12
-5
MAIN
MASTER
-10
100
250
500
1K
2K
4K
10K
Effects
24-bit DIGITAL
R
R
Feedback Notch
Playback Volume
Main Volume
from CIRRUS LOGIC
Pad
Pad
Pad
Pad
Pad
Pad
Pad
Line/
Inst
Pad
Line/
Inst
Power
On
Phantom
Power On
Effects 1
Insert
Effects 2
Insert
Footswitch
Mute/Effects
Channels
On
Mute
Line/Mic
Line/Mic
Line/Mic
Line/Mic
Line/Mic
Line/Mic
Line/Mic
Line/Mic
MIXER
STATUS
FRONT PANEL
JACKS
POWER AMP
OUTPUT
CD/Tape
Left Right
A
SPEAKERS
B
Phantom
Power
On
Playback
Left
Right
Subwoofer Output
Off
SERIAL NUMBER
MODEL KPM8420
POWERED MIXER
Record Output
Light Control Output
DESIGNED IN USA
MADE IN CHINA
ON
Preamp
Output
Power Amp
Assignment
Power Amp
Input
Main
OFF
Monitor
Main
POWER
Main
A
B
AC FUSE
FUSE: T8A / 250V
120V 60Hz 160W
CAUTION
CHASSIS SURFACE HOT
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
Monitor
Monitor
ATTENTION
RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR
SUPERFICE DE CHASSIS CHAUDE
AC
POWER
4
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CHANNELS
5
6
7
8
9
10
1
2
4
3
LINE/MIC Input Jacks:
These are combination input jacks capable of
receiving a Male-XLR for Balanced inputs such as
microphones or a Male ¼” Plug for Line level and
Instrument level devices.
MID Control:
Adjusts the amount of mid-range frequencies of the
individual channels to the main output section.
(NOTE: This control does not affect the monitor
signal).
PAD Switch:
TREBLE Control:
This switch attenuates the input signal by 12db in
the out position. Press in when more input signal
gain is needed. If the input sounds distorted, then
use the out position.
Adjusts the amount of Treble or high frequencies
of the individual channels to the main output
section. (NOTE: This control does not affect the
monitor signal).
LINE/INSTRUMENT Buttons (Channels
7&8 Only):
EFFECTS 2 Control:
This control adjusts the amount of signal sent to the
EFFECTS 2 master section. Note: This control is
post fader, meaning the Effects 2 control gets it's
signal from the MAIN volume control. The MAIN
volume control must be turned up to allow signal
to flow to the EFFECTS 2 Control.
When the button is out, the ¼” input is configured
to receive a standard Line level input such as a
High-Z microphone, keyboard, drum machine, etc.
When this button is pressed, the input is configured
to receive an input from an electric or acoustic
guitar. No additional preamps are necessary to
amplify acoustic guitars with piezo pickups.
EFFECTS 1 Control:
This control adjusts the amount of signal sent to the
EFFECTS 1 master section. Note: This control is
post fader, meaning the Effects 1 control gets it's
signal from the MAIN volume control. The MAIN
volume control must be turned up to allow signal
to flow to the EFFECTS 1 Control.
MAIN Volume Control:
Adjusts the volume of the individual channels to
the MAIN output section.
MONITOR Volume Control:
Adjusts the volume of the individual channels to
the MONITOR output section.
BASS Control:
Adjusts the amount of bass or low frequencies of
the individual channels to the main output section.
(NOTE: This control does not affect the monitor
signal).
5
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DIGITAL EFFECTS
14
13
Effects 1Monitor
EFFECTS 1
Effects 1 Main
Small Room
Up
Large Room
Small Hall
Large Hall
Chorus
12
11
Effects 1
Down
Chorus/Rev
Slapback
Echo
18
17
Effects 2 Monitor
EFFECTS 2
Effects 2 Main
Short Room
Up
Med Room
Small Hall
Med Hall
16
15
Effects 2
Down
Chorus
Chorus/Rev
Chorus/Hall
Short Delay
EFFECTS 1
EFFECTS 2
EFFECTS 1 DOWN Button:
EFFECTS 2 DOWN Button:
This button scrolls down through the Digital
Effects sounds. Pressing this button when the
(Echo) effect is lit will result in resetting the
selected sound to the top (Small Room).
This button scrolls down through the Digital
Effects sounds. Pressing this button when the
(Short Delay) effect is lit will result in resetting the
selected sound to the top (Short Room).
EFFECTS 2 UP Button:
EFFECTS 1 UP Button:
This bottom scrolls up through the Digital Effects
sounds. Pressing this button when the (Short
Room) effect is lit will result in resetting the
selected sound to the bottom (Short Delay).
This button scrolls up through the Digital Effects
sounds. Pressing this button when the (Small
Room) effect is lit will result in resetting the
selected sound to the bottom (Echo).
EFFECTS 2 MAIN Control:
This controls the amount of Effects 2 that is sent to
the MAIN Master Section.
EFFECTS 1 MAIN Control:
This controls the amount of Effects 1 that is sent to
the MAIN Master Section.
EFFECTS 2 MONITOR Control:
This controls the amount of Effects 2 that is sent to
the MONITOR Master Section.
EFFECTS 1 MONITOR Control:
This controls the amount of Effects 1 that is sent to
the MONITOR Master Section.
6
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MAIN AND MONITOR MASTER
19
25
24
30
29
Monitor
Main
Limiter
Limiter
+12
+6
0
+12
+6
0
+6
+3
0
+6
+3
0
-6
-6
23
-5
-5
-12
-12
-10
-10
100
250
500
1K
2K
4K
10K
100
250
500
1K
2K
4K
10K
Feedback Notch
Playback Volume
Monitor Volume
Feedback Notch
Playback Volume
Main Volume
20
21
22
26
27
28
MONITOR MASTER
MONITOR MASTER GRAPHIC EQ:
MAIN MASTER
MAIN MASTER GRAPHIC EQ:
This set of slide controls adjusts specific
frequencies in order to tailor the overall sound to
an acoustical environment or an intended sound.
This set of slide controls adjusts specific
frequencies in order to tailor the overall sound to
an acoustical environment or an intended sound.
FEEDBACK NOTCH (MONITOR):
FEEDBACK NOTCH (MAIN):
This control is a narrow notch that can remove a
problem frequency that may causing excessive
feedback. To activate this feature, slowly turn the
control to find the feedback problem area. This
subtlety turns down a small area of frequencies,
thus removing the feedback without greatly
affecting the overall sound. Turning this knob full
counter-clockwise will defeat the feedback filter.
This control is a narrow notch that can remove a
problem frequency that may causing excessive
feedback. To activate this feature, slowly turn the
control to find the feedback problem area. This
subtlety turns down a small area of frequencies,
thus removing the feedback without greatly
affecting the overall sound. Turning this knob full
counter-clockwise will defeat the feedback filter.
PLAYBACK VOLUME (MONITOR):
This control adjusts the amount of input from the
Playback input jacks (Rear Panel). This set of
Stereo RCA jack will accept any Line-Level audio
sources such as: CD, MP-3, DVD, HARD DISC &
TAPE PLAYER. NOTE: This controls passes
signal directly to the MONITOR Master section
and is not affected by the Channels ON/MUTE
function.
PLAYBACK VOLUME (MAIN):
This control adjusts the amount of input from the
Playback input jacks (Rear Panel). This set of
Stereo RCA jack will accept any Line-Level audio
sources such as: CD, MP-3, DVD, HARD DISC &
TAPE PLAYER. NOTE: This controls passes
signal directly to the MONITOR Master section
and is not affected by the Channels ON/MUTE
function.
MONITOR MASTER Control:
This control adjusts the master volume of the
Monitor section.
MAIN MASTER Control:
This control adjusts the master volume of the Main
section.
MONITOR LED METER:
This indicates the level of Monitor Preamp output.
The number values are in dBV (1VRMS = 0dBV).
MAIN LED METER:
This indicates the level of Main Preamp output.
The number values are in dBV (1VRMS = 0dBV).
LIMITER LED:
LIMITER LED:
This indicates Power Amp A has reached full
clean output. If the input signal to the power amp
increases after the LED is lit, it will be limited to
protect the speakers. Because this limiter is built
into Power Amp A, the LED only shows that the
monitors are at full output when assigned to it (See
page 9 for information on assigning power amps).
This indicates Power Amp B has reached full clean
output. If the input signal to the power amp
increases after the LED is lit, it will be limited to
protect the speakers. Because this limiter is built
into Power Amp B, the LED only indicates the
Mains are at full output when assigned to it (See
page 9 for information on assigning power amps).
7
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MIXER STATUS AND FRONT PANEL JACKS
35
36
37
Main Volume
from CIRRUS LOGIC
31
32
33
34
Power
On
Phantom
Power On
Effects 1
Insert
Effects 2
Insert
Footswitch
Mute/Effects
Channels
On
Mute
MIXER STATUS
FRONT PANEL JACKS
POWER ON LED:
When lit, power is being delivered to the mixer.
EFFECTS 1 INSERT Jack:
This ¼” STEREO jack allows an external effect to
be used with your KPM8420. TIP = Effects Send.
Ring = Effects Return.
CHANNELS ON LED:
When lit, the channels will deliver signal to the
master sections.
EFFECTS 2 INSERT Jack:
This ¼” STEREO jack allows an external effect to
be used with your KPM8420. TIP = Effects Send.
Ring = Effects Return.
PHANTOM POWER LED:
When lit, this LED indicates that Phantom power
is being delivered to the XLR jacks.
FOOTSWITCH (MUTE/EFFECTS):
This ¼” Stereo jack accesses the Channel Mute
and Effects On/Off Functions. TIP = Effects
Mute. RING = Channel Mute. Suggested
footswitch = Kustom KAC FS202
MUTE Button:
When pressed, this button will MUTE the input
channels. This switch is defeated when the
footswitch jack is used. NOTE: Playback inputs
will still function when channel mute is on.
8
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PATCH BAY
CD/Tape
Left
Right
Phantom
Power
38
41
42
On
Playback
Subwoofer Output
Left
Right
Off
39
40
Record Output
Light Control Output
Preamp
Output
Power Amp
Assignment
Power Amp
Input
Main
43
44
47
48
Monitor
Main
Main
A
B
Monitor
Monitor
45
46
CD / TAPE PLAYBACK Jacks:
PREAMP OUTPUT MONITOR:
This ¼” Mono jack delivers a line level output
from the MONITOR Master section.
These RCA jacks are used to play audio from CD,
Tape, Computer, DVD, Hard Disc, MP-3 or other
line level audio source. NOTE: Use the
PLAYBACK controls (#20 & #24) to adjust the
volume of the playback to the Main and Monitor
sections.
POWER AMPASSIGN A Switch:
This switch determines which master section will
drive the A power-amp. Place the switch in the UP
position to have the MAIN mix signal to the A
power-amplifier. Place the switch in the down
position to have the MONITOR mix signal to the A
power-amplifier.
CD / TAPE RECORD OUTPUT Jacks:
These RCA jacks deliver a MONO Line level
output to a recording device such as Tape
Recorder, Computer, Recordable DVD, Hard Disc,
MP-3 and more.
POWER AMPASSIGN B Switch:
This switch determines which master section will
drive the B power-amp. Place the switch in the UP
position to have the MAIN mix signal to the B
power-amplifier. Place the switch in the down
position to have the MONITOR mix signal to the
B power-amplifier.
PHANTOM ON/OFF Switch:
This switch turns on the 40V phantom power to the
XLR input Jacks. This power supply is designed
to provide power for condenser microphones and
other devices.
SUB WOOFER OUTPUT Jack:
This is a low pass sub woofer output. Crossover
point = 150 hz @ 12db/oct.
POWER AMP INPUT A:
This ¼” Mono jack allows the A power-amplifiers
to be used with an external Line level input.
NOTE: When used, this jack will interrupt the
signal flow from the mixer section of the
KPM8420.
LIGHT CONTROLLER OUTPUT Jack:
This is selective band-pass output designed to
deliver a Line level audio trigger signal to Lighting
Controller devices.
POWER AMP INPUT B:
This ¼” Mono jack allows the B power-amplifiers
to be used with an external Line level input.
NOTE: When used, this jack will interrupt the
signal flow from the mixer section of the
KPM8420.
PREAMP OUTPUT MAIN:
This ¼” Mono jack delivers a Line level output
from the MAIN Master section.
9
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POWER AMP OUTPUTS, AC POWER
49
50
A
SPEAKERS
B
MODEL KPM8420
POWERED MIXER
52
53
ON
51
OFF
POWER
AC FUSE
FUSE: T8A / 250V
120V 60Hz 160W
POWER AMP OUTPUT
AC POWER
POWER ON / OFF Switch:
SPEAKERS A:
These two ¼” jacks deliver the power from the A
power-amp to the speakers.
The KPM8420 is ON when the switch is in the UP
position. Press the switch to the DOWN position to
turn the KPM8420 off. Always remove the AC
plug from the wall when not in use.
SPEAKERS B:
These two ¼” jacks deliver the power from the B
power-amp to the speakers.
AC Power Cord Receptacle:
Insert the AC cord (Provided) firmly into the AC
connector. NOTE: Replace the AC power cord if
protective jacket is damaged or ground pin is
damaged or removed.
MINIMUM LOAD (Impedance) Per Channel:
4 OHMS
POWER RATING Per Channel:
200 Watts@4 ohms, 125 Watts@8 ohms. Both
amps driven to 100%
FUSE:
The fuse is located in a housing just below the
receptacle. Replace only with same type and size.
To remove the fuse, pull the tab located above the
fuse symbol away from the fuse housing.
Caution: Use speakers rated at 125 Watts @ 8
ohms or higher. Severe damage to the speakers is
possible if too low of wattage speaker is used.
10
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FAQ Frequently Asked Questions:
1. How many speakers can I use with the KPM8420?
6. Can I use another non-powered mixer with my
KPM8420 to get more channels?
ANSWER: Most speaker cabinets today are 8-ohms.
For the sake of this question we will assume this is
the case. You can use a total of four 8-ohm speakers
with the KPM8420: Two for the A power-amp and
two for the B power-amp . DO NOT plug all four
speakers into one power-amp.
ANSWER: YES! Take the Line level output of the
external non-powered mixer and connect to one of
the LINE ¼” inputs . Make sure the pad switch
is NOT pressed in. Set the individual channel tone
control to the twelve o'clock position and bring up
the channel volume control as needed.
2. Can I use two different effects on my vocal mics?
ANSWER: Yes! One popular setting for vocal mics is
to use one digital effects section for reverb and the
other effects section for delay. Here is an example:
Set Effects 1 to ECHO and Effects 2 to SMALL
HALL. Adjust the amount of reverb first by turning
up the EFFECTS 2 control on the desired individual
channel. Then, add the desired amount of ECHO by
turning up the EFFECTS 1 control on the same
individual channel. Set levels to obtain the desired
effect.
7. Can I use an external Power-amp with my
KPM8420?
ANSWER: Yes! For MAIN Master feed, connect a
shielded high-Z instrument cable from the Preamp
output MAIN jack to the Line level input of the
desired external power-amp.
8. Not all of my microphones are condenser type.
Will using the Phantom Power in the KPM8420
damage my non-condenser mics?
ANSWER: No. You can safely use a combination of
condenser and dynamic microphones at the same
time.
3. Can I use one effects section for my vocals and the
other for my instruments?
ANSWER: Yes! This is one of the truly unique
features of the KPM8420. Here is an example: a
little Chorus on an instrument can really sweeten the
sound, but chorus effects on vocals are a disaster.
First set up the Instrument channels: Set the sound
of EFFECTS 2 to Chorus or Chorus/Rev in the
master section of the mixer. Turn up the EFFECTS 2
send on the individual instrument channels to the
desired level. Now the vocal channels: Set the
sound of EFFECTS 1 to one of the reverb selections.
Turn up the EFFECTS 1 send on the individual vocal
channels to the desired level.
9. I have the Digital Effects Control knobs on
Channel and Monitor turned up but still do not
hear any effects through the monitors. Why?
ANSWER: The Main volume on the channel is not
turned up . Because the effects send from the
channels is Post Main, there must be signal present
at that channels main output.
9. I have a channel that I want in the Mains but not
in the monitors. The Monitor Volume on the
channel is all the way down but still comes
through the monitors. Where is this coming from?
ANSWER: It is coming from one or both of the
4. Can I use a sub-woofer without using the fixed
crossover from the KPM8420?
ANSWER: Yes! Use the MAIN preamp output jack
to feed a full range main signal to your sub-woofer
or active crossover and power-amp.
Digital Effect Monitor controls
one or both of the channel Effect controls
being turned up. Fix the problem by turning down
Effect 1 or 2 on the channel, or Effect 1
Monitor or Effect 2 Monitor on the digital
effect.
&
along with
&
5. Can I use both Power-amps for mains or
monitors?
ANSWER: Yes! To use both power-amps for mains,
set the POWER AMP ASSIGNMENT switches
&
to the UP (MAIN) position. To use both power-
amps for monitors, set the POWER AMP
ASSIGNMENT switches (#41*) to the DOWN
(MONITOR) position.
11
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KPM8420
Specifications
Model
KPM8420
200W per channel
180W per channel
8 Channel Dual Powered Mixer
4 Ohms @ 5% THD
4 Ohms @ 0.4% THD
Actual response is tailored to speaker cabinet for
accurate acoustical response.
Output Power
Frequency Response
20HZ-20kHz
Measured at 1VRMS (0dBv) at record output, effects
send, preamp output, or Main output.
Mic Input, Rs=150 ohm, 20-20kHz
Residual Noise, all level controls 0% (minimum)
Nominal System Noise, all level controls at 50%
Total Harmonic Distortion
Less than 0.4%
-115dB
-55dB
-45dB
Hum & Noise
System Gain
All Measurements made at 1kHz
90 dB
77dB
72dB
60dB
36dB
50dB
50dB
50dB
70dB
Mic to Power Amp (Ch 1 - Ch8) Pad Off
Mic to Power Amp (Ch 1 - Ch8) Pad On
Line to Power Amp (Ch 1 - Ch8) Pad Off
Line to Power Amp (Ch 1 - Ch8) Pad On
Playback to Power Amp
Mic to Main out, Pad On
Mic to Monitor out, Pad On
Mic to Record out, Pad On
Channel to Channel, 1kHz
Crosstalk
Input Channel Equalization
Master Equalization
Special curve that adjusts Bass, Mid, and Treble frequencies
100 to 10kHz, 7 Band, 1 Octave Graphic, all ±12dB
Two 24 bit DSP modules, 8 effects per module.
Module 1:
Small room, Large room, small hall, large hall, chorus, chorus reverb, slapback, echo
Digital Effects
Module 2:
Short room, Med room, small hall, Med hall, chorus, chorus reverb, chorus hall, short delay
Phantom Power
Footswitch
+40V Applied to all Mic inputs when active
Digital effects On/Off and Channel ON/OFF (playback remains active)
Recommended: KUSTOM model KAC-FS-202 (dual switch with LEDs)
USA/Canada
Europe
UK
Australia
Japan
mm/kg
120VAC/60Hz, 300W nominal
230VAC/50Hz, 300W nominal
230VAC/50Hz, 300W nominal
240VAC/50Hz, 300W nominal
100VAC/50-60Hz, 300W nominal
292 (Height) x 495 (Width) x 305 (Depth), 15.6kg
Power Requirements
Dimensions
12
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R E T I M I L
R E W O P
R E T I M I L
R E W O P
S S U B R O T I N O M
S S U B N I A M
2 S S U B S T C E F F E
1 S S U B S T C E F F E
V 0 4 +
r e w o P m o t n a h P
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EC Declaration of Conformity
We:
Kustom Musical Amplification Inc.
4940 Delhi Pike
Cincinnati, OH 45238
Tel: 1-513-451-5000 Fax: 1-513-347-2192
Declare that the product
Product name:
Kustom
Product model number:
KPM8420
to which this declaration relates is in conformity with the following standards;
EN55013 (A12) : 1995
Limits and methods of measurement of radio disturbance characteristics of broadcast receivers and
associated equipment.
EN55020: 1995
Electromagnetic immunity of broadcast receivers and associated equipment.
Limits for harmonic current emissions (equipment input current < 16A per phase).
EN61000-3-2: 1995
EN61000-3-3: 1995
Limitation of voltage fluctuations and flicker in low voltage supply systems for equipment with rated
currents < 16A.
EN55103-1: 1995
EN60065: 1994
Electromagnetic Compatibility - Product family standard for Audio, Video Audio-visual and
entertainment Lighting Control Apparatus.
Safety requirements for main operated electronic and related apparatus for household and similar
general use.
Following the provisions of EU Council Directive(s): 72/73 EEC and 89/336/EEC.
We the undersigned, hereby declare that the equipment specified above conforms to the aforementioned directive(s).
Name of authorized person: Rick Kukulies, VP Engineering
Signature:______________________
Date: 05 June 2001
Kustom Musical Amplification Inc. (BC Rich)
4940 Delhi Pike
Cincinnati, OH 45238
Tel: 1-513-451-5000 Fax: 1-513-347-2192
14
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Kustom Inc., 4940 Delhi Pike, Cincinnati, OH • USA
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