American Audio Mixer QFX Pro Manual

User Guide 
and Reference Manual
    12/06
      Q-FXPRO
4295 Charter Street
Los Angeles Ca. 90058
www.AmericanAudio.us 

©American Audio®   -   www.americanaudio.us   -   Q-FXPRO Instruction Manual Page 2
MAIN FEATURES....................................................................................................................................2
ELECTRICAL  PRECAUTIONS................................................................................................................3
SAFETY...

©American Audio®   -   www.americanaudio.us   -   Q-FXPRO Instruction Manual Page 3
NOTE:  This  product  satisfies  FCC 
regulations  when  shielded  cables 
and  connectors  are  used  to  con
-
nect  the  unit  to  other  equipment. 
To  prevent  electromagnetic  inter
-
ference  with  electrical  appliances 
such as radios and televisions, use 
shielded  cables  and  connectors 
for connections.
WARNING: TO PREVENT FIRE OR ELECTRIC 
SHOCK  HAZARD,  DO  NOT  EXPOSE  THIS 
UNIT TO RAIN, LIQUIDS, OR...

ELECTRICAL PRECAUTIONS
RISK OF ELECTRIC SHOCKDO NOT OPEN
CAUTION
The exclamation point within an equilateral triangle is
intended to alert the  user  to the  presence  of important
operating  and maintenance  (servicing) instructions  in
the literature accompanying the appliance.
The lightning flash with arrowhead symbol, within anequilateral triangle, is intended to alert the user to thepresence of uninsulated "dangerous voltage" within the
product's  enclosure  that may  be of sufficient...

©American Audio®   -   www.americanaudio.us   -   Q-FXPRO Instruction Manual Page 5
1.  For  adult  use  only  -  Keep  out  of  the  reach 
of   children.
2.  Water and Moisture - The player should not 
be  used  near  water  -  for  example,  near  a  bath 
tub,  kitchen  sink,  laundry  tub,  in  a  wet
 base-
ment  or  near  a  swimming  pool,  etc.
 Do not 
spill  water  or  other  liquids  in  to  or  on  to  your 
mixer.
3.  Ventilation  -  The  Mixer  should  be  situ
ated 
so  that  its...

Introductions: Congratulations and thank you for purchasing the American Audio® Q-FXPRO mixer. 
This  mixer  is  a  representation  of  American  Audio’s  continuing  commitment  to  produce  the  best  and 
highest quality audio products possible at an affordable price. Please read and understand this manual 
completely  before  attempting  to  operate  your  new  mixer.  Please  carefully  read  and  understand  the 
instructions in this manual thoroughly before attempting to operate this unit. These...

QUICK START: American Audio® would like to thank you for your purchase of this great audio prod-
uct.  For  those  of  you  that  are  too  impatient  to  read  the  entire  user  manual  we  have  compiled  these 
quick  start  instructions.  We  hope  that  you  will  at  least  read  through  these  instructions  to  familiarize 
yourself with the basics of this mixer. The Q-FXPRO is part of American Audio’s continuing evolution 
in audio technology. This unit has been built and designed to meet the...

  Q-FXPRO                                        CONTROLS  AND  FUNCTIONS
©American Audio®   -   www.americanaudio.us   -   Q-FXPRO Instruction Manual Page 8
1.   MICROPHONE 1 -  This  combo  jack will accept a standard 1/4 plug or XLR 3-pin balanced male 
plug. The volume output level for  this microphone will be controlled by  its own respective
 CHANNEL 
KNOB 
(29).  Note:  We  recommend  that  you  use  a  500-600ohm  microphone  for  the  best  sound 
quality.
2 . SOURCE SELECTOR SWITCH -  These...

5. CHANNEL MIDRANGE CONTROL - This knob is used to adjust the midrange levels of a channel 
allowing for a maximum midrange gain of 1
2 dB or maximum decrease of -30dB. Turning the knob in a 
counter-clockwise direction will decrease the amount of midrange
  applied to a channel signal, turning 
the  knob  in  a  clockwise  direction  will  increase  the  amount  of  midrange  applied  to  a  channel  signal.
6 .  CHANNEL  VOLUME  FADER  - These  faders  are  used  to  control  the  output  signal  of...

©American Audio®   -   www.americanaudio.us   -   Q-FXPRO Instruction Manual Page 10
13.  LCD SCREEN - FOR INFORMATION SEE PAGE 15.
14 .  BEAT SELECT BUTTONS/BEAT DISPLAY -  This button is used to set the delay time of an effect 
to the beat of music.  The display indicates the beat ratio that has been set for an effect. The beat ratios 
are 1/2, 3/4, 1/1, 2/1, 4/1, and 8/1. It also changes the TIME PARAMETER according to the measured  
BPM of the effector. 
  
15.  TAP BUTTON -  This button is used to...