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E-drum Digital Percussion Module – Owners Manual 

© E-mu Systems 1984                   Enhanced by The Emulator Archive 2001                                     Page 1  

1. OVERVIEW 

The E-drum digital percussion module is an electronic drum using sounds that are 
digitally recorded and stored in easily interchangeable ROM cartridges. The module 
allows you to control the loudness of the sound and (if desired) it’s pitch by how hard 
you hit the pad. The pads sensitivity can be adjusted for playing styles ranging from 
light finger taps to heavy sticking. 
 
The module provides controls for tuning the original sound over the range of one 
octave, setting the pads sensitivity for pitch change, adjusting the decay of the 
sound and adjusting the bass and treble content of the sound. The rear panel 
provides connectors for audio output, an optional AC power adapter and a multi 
purpose control input that allows the module to be triggered from synthesizer gates 
and triggers or audio signals (with level detection). This input also makes possible 
independent voltage control of pitch via an active voltage pedal or other DC voltage 
source. 
 
The E-drum is powered by two 9-volt batteries or an optional AC adapter. 

 
 

2.  SETUP

 

 
     POWER 

The first step in setting up your E-drum module is to supply it with power. It may be 
powered either by two 9-volt batteries (alkaline batteries are highly recommended) 
or by an optional AC adapter. 
 
BATTERIES 
To install batteries, remove the battery compartment cover by loosening the 
retaining screw on the bottom of the module. Attach a battery connector to the 
terminals of each battery. Carefully stuff the batteries into the battery compartment, 
being careful not to crimp or pinch any wires. Replace the battery cover and secure 
with the retaining screw. 
 
AC ADAPTER 

IMPORTANT:

 Do not use any AC adapter other than the one supplied by E-mu 

Systems specifically for use with E-drum modules. 
 
To connect an AC adapter, insert the adapters mini phone plug into the AC IN jack 
on the rear of the E-drum module. Plug the adapter into a standard 110 VAC outlet. 
The power on LED should light to indicate the module receiving power. 
 
POWERING MULTIPLE MODULES 
Up to five E-drum modules can be powered from one AC adapter. For each 
additional module you will need a patch cord with a 3.5mm phone plug on each end. 
Plug one end of the cord into the AC out jack of a powered module. Plug the other 
end into the AC in jack of the nearest un-powered module. This module can now be 
connected to another and that to another etc. 
 
Do NOT connect more than five modules to a single AC adapter. 

Summary of Contents for E-drum

Page 1: ... may cause interference to radio communications It has been tested and found to comply with the limits for class A computing devices pursuant to Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the u...

Page 2: ... first step in setting up your E drum module is to supply it with power It may be powered either by two 9 volt batteries alkaline batteries are highly recommended or by an optional AC adapter BATTERIES To install batteries remove the battery compartment cover by loosening the retaining screw on the bottom of the module Attach a battery connector to the terminals of each battery Carefully stuff the...

Page 3: ...apter things get a bit tricky Unlike some other products that you may be familiar with plugging in the AC adapter does not automatically disconnect the batteries Only having the BATT ON button in the off position will disconnect them It is therefore possible to have the AC adapter plugged in and still be draining the batteries When using the AC adapter always check to see the battery switch is in ...

Page 4: ...the control clockwise the greater available pitch change Again trial and error will show you the best setting for each sound We ve found a little pitch response even on snares and toms will give a noticeably more natural feel to the sounds Keep in mind the maximum total tuning range of the E drum is one octave This is the total of the initial pitch setting the external control voltage and any pad ...

Page 5: ...an to use simultaneous pitch control you will need a stereo phone plug or an adapter as described below When an external trigger source is connected to the E drum module the modules pad remains active but at reduced sensitivity EXTERNAL PITCH CONTROL The E drum modules TRIG IN jack also accepts a voltage of from 0 to 5 volts for the purpose of controlling pitch Possible controllers include active ...

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