DX88-P User Guide
AP13293
DX88-P
Getting Started Guide
The DX88-P is a fixed installation I/O Expander for Allen & Heath 96kHz digital
mixing systems. It provides 8 remote controlled mic/line preamps and 8 line
outputs. It connects to the mixer over a single Cat5 cable.
A second DX88-P, DX164-W, DX012 or DX168 can be connected via the DX B
connection.
The DX88-P can be operated freestanding or rack mounted using the optional
DX88-P-RK19/X kit.
Update the mixing system to the latest available version of firmware
before connecting the DX Expander. The unit might operate
incorrectly when running earlier firmware.
Contents
Check that you have received the following with your DX88-P unit:
• 16 x 3-Way Phoenix Contact Plug
• DC 12V power supply
Front panel
Power LED indication and Ready Indicator.
Ready lights up when the unit is successfully booted and
ready to pass audio.
DX88-P User Guide
AP13293
Rear panel
Inputs Balanced Phoenix mic/line inputs.
Output Balanced Phoenix line outputs.
DC Input DC 12V connector via external PSU.
Use only the power supply provided with the product (Adapter
Tech EDA4012-C14, A&H part code AM13303). The use of a different
power supply can cause electrical or fire hazards.
DX A Ethernet port for connection to the mixing system. The cable
carries the audio signals as well as preamp control and
system status data.
DX B Ethernet port for daisy chaining of a second unit.
Vents Ensure good ventilation at the sides and back of the unit.
Avoid obstruction of vents while operating. Avoid dirt or liquid
ingress.
Connection
dLive Surface /
MixRack, DX Hub,
DX Link card,
SLink
DX A
DX A
DX B
DX88-P User Guide
AP13293
Cables
Cat5e or higher STP cable is required for connections, with a maximum cable
length of 100m per connection.
The DX88-P and its network connection are for indoor use only.
Specification
Mic/Line Inputs
Balanced Phoenix, +48V phantom power
Mic/Line Preamp
Fully recallable
Input Sensitivity
-60 to +15dBu
Analogue Gain
+5 to +60dB, 1dB steps
Pad
-20dB Active PAD
Maximum Input Level
+30dBu (PAD in)
Input Impedance
>4kΩ (Pad out), >10kΩ (Pad in)
Mic EIN
-127dB with 150Ω source
Analogue Outputs
Balanced Phoenix
Output Impedance
<75Ω
Nominal Output
+4dBu = 0dB meter reading
Maximum Output Level
+21dBu
Residual Output Noise
-92dBu (muted, 20-20kHz)
-90dBu (muted, 20-40kHz)
Operating Temperature Range
0°C to 40°C (32°F to 104°F)
Power
DC Input
12V DC via external PSU, 3.3A max
Mains Power Consumption
39.6W max
Dimensions and Weight
Width x Depth x Height x Weight
DX88-P
216.5 x 195.4 x 42.8 mm x 1.51kg
(8.5” x 7.7” x 1.7” x 3.33lbs)
DX88-P User Guide
AP13293
Dimensions
Read the Safety Instructions Sheet included with the product and the information printed on the panel before operating.
A limited one year manufacturer’s warranty applies to this product, the conditions of which can be found at:
www.allen-heath.com/legal
By using this Allen & Heath product and the software within it you agree to be bound by the terms of the relevant End
User Licence Agreement (EULA), a copy of which can be found at: www.allen-heath.com/legal
Register your product with Allen & Heath online at: http://www.allen-heath.com/support/register-product/
Check the Allen & Heath website for the latest documentation and software updates.
ALLEN&HEATH
Copyright © 2023 Allen & Heath. All rights reserved
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