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FCC Statements

1.  Caution: Changes or modifications to this unit not expressly approved by the party responsible for compliance could 

void the user’s authority to operate the equipment.

2.  Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to 

Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in 

a residential installation. This equipment generate, uses, and can radiate radio frequency energy and , in not installed 

and used in accordance with the instructions, may cause harmful interference to radio communications. However, 

there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful 

interference to radio or television reception, which can be determined by turning the equipment off and on, the user is 

encouraged to try to correct the interference by one or more of the following measures:

 

• Reorient or relocate the receiving antenna

 

• Increase the separation between the equipment and receiver

 

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected

 

• Consult the dealer or an experienced radio/TV technician for help

Acoustic

P.O. Box 5111, Thousand Oaks, CA 91359-5111
All trademarks and registered trademarks mentioned herein are recognized as the property of their respective holders.
1910 - 19340241

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 Two Year Limited Warranty: Subject to the limitations set forth below, Acoustic hereby    
 represents and warrants  that  the  components of this product shall be free from defects 

in workmanship and materials, including implied warranties of merchantability or fitness for a 
particular purpose, subject to normal use and service, for two (2) years to the original owner  
from the date of purchase.

Retailer and manufacturer shall not be liable for damages based  upon inconvenience, loss of 
use of product, loss of time, interrupted operation or commercial loss or any other incidental or 
consequential damages including but not limited to lost profits, downtime, goodwill, damage 
to or replacement of equipment and property, and any costs of recovering, reprogramming, or 
reproducing any program or data stored in equipment that is used with Acoustic products. This 
guarantee gives you specific legal rights. You may have other legal rights which vary from state to 
state. Some states do not allow limitations on how long an implied warranty lasts, so the above 
limitation may not apply to you.

Summary of Contents for APDI

Page 1: ...Acoustic Preamp DI User Manual APDI acousticamplification com ...

Page 2: ...The APDI includes all the connectivity you need to get your sound out into the world offering balanced XLR output for connection to a Front Of House mixer recording console or interface PA Speaker or other destination and Output to connect to your existing amplifier like you would any effect pedal For those looking to practice or play silently the APDI is a great portable practice rig in a pedal w...

Page 3: ...truments with Variable Control of the Mid Frequency Band XLR Balanced Line Out with Ground Lift 1 4 Instrument Input Clip Indicator LED 1 4 Line Output Input Gain Control Master Volume Control Pre Post EQ Switch FX Loop with 1 4 In and Out Functions even in Bypass Mode 1 8 Aux In 1 8 Headphone Out Externally Accessible 9V Battery Compartment 9V DC Input Negative Tip Polarity 45mA Minimum 9V Extern...

Page 4: ... Power Provides an input for the included 9V adapter negative tip polarity 45mA min 6 1 4 Instrument Input For connecting your acoustic guitar or other instrument 7 1 8 Aux In Accepts audio signals from external devices such as phones or computers allowing the user to play along with prerecorded material or input a metronome 8 FX Loop Send and Return Sends signal via the Send connection to signal ...

Page 5: ...you are not experiencing any feedback issues Frequency Control Knob adjusts the frequency of the feedback filtering To control Feedback do the following 1 Set the Level control to 12 o clock setting or higher 2 Turn the Frequency knob moving from left to right to search for the frequency at which the feedback is to be suppressed You should hear the feedback noise lessen as you find the correct fre...

Page 6: ... Gain 1 kHz Input 36 dB Tone Controls Low 12dB 100 Hz Mid 12dB Mid Frequency Range 500 Hz to 1 2 kHz High 12dB 10kHz Power Requirements Internal 9V Battery External DC 9V 45mA minimum Dimensions Size H 2 75 x W 6 7 x D 5 3 Weight 2 1 lb SPECIFICATIONS ...

Page 7: ...hich the receiver is connected Consult the dealer or an experienced radio TV technician for help Acoustic P O Box 5111 Thousand Oaks CA 91359 5111 All trademarks and registered trademarks mentioned herein are recognized as the property of their respective holders 1910 19340241 2Two Year Limited Warranty Subject to the limitations set forth below Acoustic hereby represents and warrants that the com...

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