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AMISDI1 

Passive Direct Injection Box

 

 

Introduction 

 
The Australian Monitor Installation Series DI1 is a passive direct injection 
box that features a balanced XLR output, a 6.35 mm TRS through output, 3 

stage pad offering up to 40dB of attenuation & a ground lift switch for 
hum elimination. As part of the AMIS Contractor Tools range, the AMIS DI1 

is an inexpensive passive DI that is integral to a wide variety of installations. 
 

Description

 

 

 

6.35mm TRS Jack Input: 

This will accept balanced or unbalanced 

signals from a program source or instrument. 

 

6.35mm TRS Jack Thru Output: 

This balanced output allows for a 

direct output link to an instrument amplifier. 

 

 

3 Stage input Pad: 

This 3 stage switch allows 0dB, 20dB or 40dB of 

input attenuation so differing sources can accommodated.  

 

GND Lift Switch:

 When this switch is in “ground” position pin1 of both 

the input & the output are connected. When this switch is in “lift” 
position these grounds are separated. This switch is used to 

eliminate hum that may be present. 

 

Balanced XLR Output: 

This balanced XLR output is for connection to 

a mixing console, signal processor etc.

 

 

Specifications

 

 

 Attenuation 

Switch:   

0dB, 20dB or 40dB selectable 

 Frequency 

Response: 

15Hz-30kHz 

 Dimensions: 

 

 

74mm x 45mm x 130mm 

 Weight:

 

  650g 

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