Fishman Musical Instrument Amplifier Onboard Aura User Manual

www.fishman.com  
USER GUIDE  
ONBOARD AURA® 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 Onboard Aura 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 Onboard Aura, use this chart for  
quick reference.  
Image #  
Instrument Name Microphone Mic Distance  
1
2
3
4
5
6
4
 
Fundamentals  
To experience the benefits of Aura, install the Aura Gallery CD  
on your computer then upload Images into the Onboard Aura  
preamp. 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 Select knob  
to browse the Images.  
4. Blend in pickup • Lower Blend  
slider 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.  
Turn Anti-Feedback switch On and push Measure 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: Onboard Aura is a programmable preamplifier. To restore factory  
defaults, see page 16.  
7
 
Power  
Plug in the guitar, and the Onboard Aura 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 tuner flashes an “L” once every three seconds, you have approximate-  
ly 1.5 hours before the battery is exhausted. Change it at the next opportunity.  
When the tuner flashes an “L” every half a second the battery is practically spent  
and should be changed immediately.  
8
 
Tuner  
With the Play/Edit switch set to Play, depress the Tuner button to turn the circuit  
on and off. This digital chromatic tuner accommodates all standard and alternate  
tunings and can be activated without an instrument cable. When engaged, the  
tuner mutes the output and will turn itself off after 45 seconds.  
Note that the tuner is calibrated to A=440.  
9
 
Controls  
Image Select  
Your Onboard Aura is factory loaded with six 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 with  
each Image.  
Volume  
For the cleanest noise-free sound, set Volume as high as possible without caus-  
ing 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 six 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 & switch to Edit. The “#” LED flashes to indicate Edit mode.  
2. Push the Tuner button to toggle the relative pickup phase. = default.  
3. To exit Relative Phase, move the Play/Edit switch to Play.  
You can program different Relative Phase settings for each of the six 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. Move Anti-Feedback switch left to On position and push the Measure button  
once. The tuner display will animate to indicate it is searching for feedback.  
2. Turn up Volume, then either dampen the strings while tapping the body or  
play the troublesome note until the feedback begins. The filter will automatically  
identify and eliminate the feedback. The circuit will hold this offending frequency  
in memory until you push the Measure button again.  
Battery Replacement  
Pull the small tab at the top of the Onboard Aura 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. 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 Onboard  
Aura 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 Measure button for two seconds. Release  
the Measure button when a “U” is shown in the tuner display. The  
pitch LEDs (two arrows and a circle) will now display the input level.  
• 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  
 
Trim  
15  
 
Restore Factory Defaults  
1. Unplug the guitar, move the tone controls to the center detent position.  
2. Move the Edit/Play switch to Play.  
3. Hold the Measure button, plug in the guitar and press the Tuner button within  
two seconds.  
4. When the tuner display flashes an “F,” release the buttons. The factory reset is  
complete when the “F” stops flashing and the unit returns to normal operation.  
Defaults:  
• EQ for all six 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  
Maximum output level (onset of clipping):  
Baseline noise:  
-92dBV  
97dB  
12dB @ 70Hz  
12dB @ 1kHz  
12dB @ 6.5kHz  
13.5dB  
Dynamic Range:  
Bass control:  
Midrange control:  
Treble control:  
Anti-Feedback: cut depth:  
All specifications subject to change without notice.  
17  
 
www.fishman.com  
 
513-000-151 Rev B 2-09  

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