MACKIE PPM1008 - Manual (Page 11)

11
Owner’s Manual
Owner’
s Manual
1/4" TS Connection
• 1/4" TS outputs are wired Tip positive, and
Sleeve negative.
These two types of outputs are wired in parallel, and
it is possible to use both types at once.
The minimum impedance that the powered
mixers can handle is 4 ohms per channel, and
we recommend that you do not go below this.
If you are using both outputs per channel, make sure
each loudspeaker is 8 ohms impedance or greater.
Do not connect or disconnect cables to the
speaker-level outputs when the mixer is
powered on.
4. POWER AMP MODE SWITCH
This three-position switch lets
you choose which signal paths
from the mixer section are sent
to the internal power amplifiers.
This allows considerable
flexibility in the use of the powered mixer. For example,
if you already have powered main loudspeakers, you
could use the PPM1008 power amplifiers to run passive
stage monitors.
Do not change the position of the power amp
mode switch when the mixer is powered on.
Stereo Mains
The output from channel A is the left side of the main
mix, and the output from channel B is the right side of
the main mix. Choose this position to play a straight
stereo show.
Mains/Monitor 1
Channel A is the mono main mix, and channel B is the
monitor 1 mix. In this setup, you could run a mono PA
system on one channel, and a passive stage monitor
system on the other.
Monitor 1/Monitor 2
Channel A is the monitor 1 mix, and channel B is the
monitor 2 mix. In this setup, the internal power
amplifiers are powering two independent passive
stage monitor systems.
Make sure that the front panel FX send/mon
2 send switch [51] is pressed in (mon 2) ,
or there will be no monitor 2 signal to the
internal power amplifier channel B.
If anything is plugged into the front panel
power amp inputs [20], then this switch has
no effect. The internal power amplifier will
play whatever signals are coming into the
power amp inputs.
5. VENTILATION and REAR PANEL
Ventilation holes in the rear panel and the bottom
panel allow the internal fans to flow breezy and
minty-fresh cooling air over the internal power
amplifiers. Do not obstruct these holes, or the
amplifiers may overheat and shut down.
Do not remove the feet, as these keep the
powered mixer off the ground for ventilation.
Do not place the powered mixer on a carpeted
or similar soft and fuzzy surface that may obstruct the
ventilation holes in the bottom panel.
6. HANDLES
These metal handles are delightfully modern in
styling and good looks, and truly represent the perfect
accessory to accent your busy work schedule. Use the
handles to carefully lift and move the powered mixer.
Better yet, have someone else lift it for you. They will
be remarkably pleased with its light weight, and high
power, ideal for all sorts of road trips.
FOOT SWITCH
FX
/
OUTPUT POWER: @ 4 OHMS, 800 WATTS PEAK PER CH
MINIMUM LOAD: 4 OHMS PER CHANNEL
2 X 800W PROFESSIONAL POWERED MIXER
2 X 800W PROFESSIONAL POWERED MIXER
SLEEVE
TIP
TIP SLEEVE
TIP
SLEEVE