Fishman Musical Instrument Amplifier Aura Pro User Manual

USER GUIDE  
AURA® PRO RETAIL  
 
Welcome  
Thank you for making Fishman a part of your acoustic experience. We are proud  
to offer you the finest acoustic amplification products available; high-quality  
professional-grade tools to empower you to sound your very best. We are  
confident Aura Pro will both enhance and inspire your music making.  
Troubleshooting  
Installation by a qualified professional is strongly recommended.  
Should you have any problems, please check with your installer or refer to the  
online installation guide for this product. Technical support, troubleshooting tips  
3
 
Image Chart  
Once you upload Images into your Aura Pro, use this chart for quick reference.  
Image #  
Instrument Name Microphone Mic Distance  
1
2
3
4
4
 
Fundamentals  
To experience the benefits of Aura, install the Aura Gallery CD  
on your computer then upload Images into the Aura Pro pre-  
amp. Flip open the preamp and connect the included USB cable  
to the side of the preamp.  
USB mini jack  
5
 
Quick Start  
Before you begin, set the controls  
as shown:  
1. Plug in • Use a ¼-inch instrument  
cable.  
2. Tune up • Set Play/Edit switch to  
Play. Press Tuner button. When engaged,  
Tuner mutes the output. Press again to  
exit Tuner.  
3. Select an Image • Raise the  
Volume and use the Image switch to  
browse the Images.  
4. Blend in pickup • Turn Blend  
control left to mix pickup with Image.  
6
 
5. Pickup tone • Set Play/Edit switch to Play and adjust tone controls.  
6. Image tone • Set Play/Edit switch to Edit and adjust tone controls. Move  
switch back to Play to lock Image tone.  
7. Control Feedback  
If feedback occurs, push Phase switch. If feedback recurs when you  
change your location, press switch again.  
Push Anti-Feedback button once. Turn up Volume, then either dampen  
the strings while tapping the body, or play the troublesome note until  
the filter eliminates feedback.  
Note: Aura Pro is a programmable preamplifier. To restore factory defaults,  
see page 16.  
7
 
Power  
Plug in the guitar, and the Aura Pro switches on. To conserve the battery, remove  
the instrument cable from the guitar when the system is not in use. The LEDs in  
the tuner display flash once at power-up to tell you the preamp is on.  
Low Battery Indicator  
When the “Battery” LED flashes once every three seconds, you have approxi-  
mately 1.5 hours before the battery is exhausted. Change it at the next opportu-  
nity. When the “Battery” LED flashes every half a second, the battery is practically  
spent and should be changed immediately.  
8
 
Tuner  
Plug an instrument cable into the endpin jack, move the Play/Edit switch to Play,  
and press the Tuner button to turn the circuit on and off. This digital chromatic  
tuner accommodates all standard and alternate tunings. When engaged, the  
tuner also mutes the output.  
Note that the tuner is calibrated to A=440.  
9
 
Controls  
Image  
Your Aura Pro is factory loaded with four Images created especially for this  
instrument. Each Image corresponds to a different microphone type and  
position. Contact the guitars manufacturer to identify the microphone  
associated each Image.  
Volume  
For the cleanest noise-free sound, set the Volume as high as possible without  
causing your amp or mixer to distort.  
Blend  
Use the Blend slider to set the balance between the pickup and the Image.  
10  
 
Tone Controls & Play/Edit Switch  
The Play/Edit switch lets you EQ the pickup and Image(s) independently.  
Pickup EQ  
Move the Play/Edit switch to Play and adjust the Bass, Mid and Treble controls.  
Switch to Edit and the preamp retains the pickup EQ settings, disengages the  
pickup tone controls and enables Image EQ. Return to Play and the preamp  
holds the pickup EQ settings until the Bass, Mid or Treble controls are moved  
(regardless of the current position of the controls).  
Programmable Image EQ  
To EQ an Image, move the Play/Edit switch to Edit. The “#” LED flashes to  
indicate Edit mode. Move the Blend slider to Aura, select an Image and adjust  
the tone controls. You can program EQ for each of the four Images: simply select  
another Image and adjust the controls. Switch to Play and the preamp retains the  
Image EQ settings, disengages the Image tone controls and enables pickup EQ.  
Go back to Edit and the preamp holds the Image EQ settings until the Bass, Mid  
or Treble controls are moved (regardless of the current position of the controls).  
11  
 
Phase Switches  
Phase (global)  
Use the Phase switch to improve bass response at low volume and suppress  
feedback at high volume. Push the Phase switch in and out and leave it in the  
position most pleasing to your ear. If feedback occurs, push the switch again.  
Relative Phase (pickup phase)  
To change the character of your blended sound, you may wish to change the  
phase of the pickup relative to the Image. There is no “best” position for Relative  
Phase and where you set it is a matter of personal taste.  
1. Center Blend slider and switch to Edit. The “#” LED flashes to indicate Edit mode.  
2. Push the Tuner button to toggle the relative pickup phase.  
3. To exit Relative Phase, move the Play/Edit switch to Play.  
= default.  
You can program different Relative Phase settings for each of the four Images.  
Select a different Image and repeat above procedure.  
12  
 
Anti-Feedback  
Use this search-and-destroy Anti-Feedback filter in addition to the Phase switch.  
1. Push Anti-Feedback button once. The letter “F” in tuner display will flash.  
2. Turn up Volume, then either dampen the strings while tapping the body or  
play the troublesome note until the feedback begins. The automatic filter will  
identify and eliminate the feedback. The circuit will hold this offending frequency  
in memory until you push the Measure button again.  
To turn the circuit off, push and hold the Anti-Feedback button for five seconds.  
Battery Replacement  
Pull the small tab at the top of the Aura Pro toward you. The body of the  
preamp will swing out, revealing the battery compartment. Observe the polarity  
marks on the battery compartment and install a fresh 9V battery. See page 15.  
We recommend a lithium battery for extended battery life.  
13  
 
Input Trim and VU Meter  
Adjust this set-and-forget control to accommodate the dynamics of your  
playing style. When you set Input Trim to the optimum level, you can play  
strongly without distortion and play quietly without hiss.  
To Set the Input Trim:  
• Unplug the guitar and pull the small tab at the top of the Aura Pro  
toward you. Locate the small circular potentiometer on the right side  
of the preamp.  
To turn on the VU meter, move the Edit/Play switch to Play and plug in  
the guitar while holding the Tuner button. The Tuner display will flash  
and the pitch LEDs (two arrows and a circle) will now display the input  
level of the preamp.  
• Play the instrument strongly and watch the LED display. Use a small  
flat-head screwdriver to raise or lower the trim control so all three LEDs  
flash occasionally with hard strumming.  
To exit the VU meter, push the Tuner button.  
14  
 
15  
 
Restore Factory Defaults  
1. Unplug the guitar and move the tone controls to the center detent position.  
2. Press and hold the Tuner and Anti-Feedback buttons simultaneously.  
3. Plug in the guitar. Continue to hold the Tuner/Anti-Feedbackbuttons for three  
seconds after you plug in.  
4. Release the Tuner/Measure buttons then unplug the guitar to complete  
the procedure.  
Defaults:  
• EQ for all four Images reverts to flat.  
• Relative Phase settings return to default state.  
• Anti-Feedback frequency is reset to 100Hz.  
16  
 
Electrical Specifications  
Digital Signal Path:  
A/D, D/A conversion:  
24-bit  
Signal Processing:  
32-bit  
Typical in-use current consumption @ 9VDC:  
Typical 9V lithium battery life:  
Typical 9V alkaline battery life:  
Nominal output impedance:  
Recommended load impedance:  
Input Trim gain range:  
18mA  
54 hours  
27 hours  
1k Ohm  
10k Ohm and up  
-6dB to +6dB  
+5dBV  
-92dBV  
97dB  
12dB @ 90Hz  
12dB @ 1kHz  
12dB @ 6kHz  
13.5dB  
Maximum output level (onset of clipping):  
Baseline noise:  
Dynamic Range:  
Bass control:  
Midrange control:  
Treble control:  
Anti-Feedback: cut depth:  
The specifications and information in this manual are subject to change without notice.  
17  
 
www.fishman.com  
 
513-300-150 Rev C 2-09  

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