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1. How many speakers can I use with the KPM8420? 6. Can I use another non-powered mixer with my
ANSWER: Most speaker cabinets today are 8-ohms. KPM8420 to get more channels?
For the sake of this question we will assume this is ANSWER: YES! Take the Line level output of the
the case. You can use a total of four 8-ohm speakers external non-powered mixer and connect to one of
the LINE ¼” inputs . Make sure the pad switch
with the KPM8420: Two for the A power-amp and
is NOT pressed in. Set the individual channel tone
two for the B power-amp . DO NOT plug all four
control to the twelve o'clock position and bring up
speakers into one power-amp.
the channel volume control as needed.
2. Can I use two different effects on my vocal mics?
7. Can I use an external Power-amp with my
ANSWER: Yes! One popular setting for vocal mics is
KPM8420?
to use one digital effects section for reverb and the
ANSWER: Yes! For MAIN Master feed, connect a
other effects section for delay. Here is an example:
shielded high-Z instrument cable from the Preamp
Set Effects 1 to ECHO and Effects 2 to SMALL
HALL. Adjust the amount of reverb first by turning
output MAIN jack to the Line level input of the
desired external power-amp.
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
8. Not all of my microphones are condenser type.
individual channel. Set levels to obtain the desired
Will using the Phantom Power in the KPM8420
effect.
damage my non-condenser mics?
ANSWER: No. You can safely use a combination of
condenser and dynamic microphones at the same
3. Can I use one effects section for my vocals and the
time.
other for my instruments?
ANSWER: Yes! This is one of the truly unique
9. I have the Digital Effects Control knobs on
features of the KPM8420. Here is an example: a
Channel and Monitor turned up but still do not
little Chorus on an instrument can really sweeten the
hear any effects through the monitors. Why?
sound, but chorus effects on vocals are a disaster.
First set up the Instrument channels: Set the sound
ANSWER: The Main volume on the channel is not
of EFFECTS 2 to Chorus or Chorus/Rev in the
turned up . Because the effects send from the
master section of the mixer. Turn up the EFFECTS 2
channels is Post Main, there must be signal present
send on the individual instrument channels to the
at that channels main output.
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
9. I have a channel that I want in the Mains but not
channels to the desired level.
in the monitors. The Monitor Volume on the
channel is all the way down but still comes
4. Can I use a sub-woofer without using the fixed
through the monitors. Where is this coming from?
crossover from the KPM8420?
ANSWER: It is coming from one or both of the
ANSWER: Yes! Use the MAIN preamp output jack
Digital Effect Monitor controls & along with
to feed a full range main signal to your sub-woofer
one or both of the channel Effect controls &
or active crossover and power-amp.
being turned up. Fix the problem by turning down
Effect 1 or 2 on the channel, or Effect 1
5. Can I use both Power-amps for mains or
Monitor or Effect 2 Monitor on the digital
monitors?
effect.
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.
FAQ Frequently Asked Questions:
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