Oberheim DMX MIDI Upgrade
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A MIDI upgrade for all non-MIDI Oberheim DMX drum machines is now available from Electrongate!
This upgrade adds MIDI input and output capability and expanded memory capacity to your DMX.
When installed, your DMX will send and receive MIDI note-on/note-off messages, system exclusive sequence
dump messages and MIDI clock, song select, start and stop messages.
MIDI input and output jacks are added to the right side panel of the DMX and a circuit board is installed inside.
(The MIDI upgrade replaces the memory expansion board on machines having that option installed.)
This interface is functionally equivalent to the Oberheim factory MIDI upgrade, which is no longer available.
See this pdf file for a detailed list of MIDI related edit
parameters provided by this upgrade.
Available installed for $150, or install it yourself for $100.
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Upgrade options:
- Full upgrade: Send your DMX to Electrongate in Flagstaff, Arizona and have the MIDI upgrade professionally installed
and tested for $150, return shipping included.
- Do-it-yourself: Assembled circuit board and modified walnut end panel with MIDI jacks installed: $120
including shipping.
Receive a $20 refund
when you return your old walnut end panel in good condition.
- Do-it-yourself: Assembled circuit board with unmounted MIDI jack plate: $100 including shipping. You
will need to make a cutout in the right side panel for the MIDI jacks. You may also send your right
side end panel with your order, and we will modify it for the MIDI jacks at no extra charge).
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Do-it-yourself requirements
To install the DMX upgrade yourself, you will need the following tools:
- #2 Phillips screwdriver
- 1/4 inch nutdriver
- Small flat-blade screwdriver, or IC chip puller tool
- Soldering iron and rosin core solder
- Xacto® or other sharp knife
You will need to cut one circuit board trace and solder two wires to the DMX main board. The rest of the installation
is very straightforward and mainly involves removing socketed ICs and plugging in ribbon cables. Illustrated
installation instructions can be found here.
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Ordering Information
All orders must be prepaid by check, money order or PayPal. You may use the PayPal shopping cart (below), or you may
make your payment in care of pjwhite@electrongate.com.
Include your shipping address, specify that payment is for
the "DMX MIDI Upgrade", and let us know which upgrade option you would like. When sending your DMX for
installation of the MIDI upgrade, be sure to pack it securely in a strong cardboard box with at least
two inches of packing material all around.
Overseas shipping
European orders: If you are ordering a DIY MIDI kit, please add $25 to your total to cover Express Mail postage. Air
mail is cheaper, but I have had two European air mail shipments lost in transit, and prefer to use this
method that can be tracked.
For other destinations outside the USA, please email for a shipping quote.
For customs purposes, the MIDI kit will be declared as
commercial merchandise at the full sales price. Please don't ask us to
declare it as a gift, or at a lower value.
Important! Please contact Electrongate before shipping your DMX for repair or upgrade.
We don't want to miss your unexpected shipment by being out of town when it arrives. If possible, please email
a shipper tracking number so we can know when to expect your package to arrive.
Contact information:
Electrongate
2725 E. Lakin Drive
Suite 5
Flagstaff, AZ
86004
(928) 522-0808
Contact Paul J. White for more
information.
PayPal Shopping Cart
DMX MIDI Full Upgrade Installed ($150.00)
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DMX MIDI Kit with end panel ($120)
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DMX MIDI DIY Kit without end panel ($100)
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Additional postage for overseas orders ($25)
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