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Page - 8 Operator Manual – MX-508 Mixer
Copyright© 2006 – Ashly Audio Inc.
Typical Applications
The following information will help you make the most of your new mixer:
Small Sound Reinforcement System
The MX-508 can be used to mix typical sound sources that might be found in a small club,
school theater or similar environment. Six of the input channels are used for microphones
for live vocal or instrumental pickup. The remaining two channels are used for playback
from a stereo tape recorder, such as might be used during intermission, for backup, for
special recorded effects, etc. Power amplifier(s) (or any additional outboard equipment) is
fed from the transformer balanced Output connectors.
Meeting Room or Church Using Remote Control
The MX-508 can be interfaced with an Ashly VCX-88C eight channel remote level
controller, allowing a full-featured mixer to be operated from a distance by a non-technical
person. Once initially set up, the RD-8C desktop remote controller can be located far away
from the main audio equipment rack using a single balanced XLR cable, allowing for
simplified sound system operation using a limited number of knobs, lights, and buttons.
Location Recording or Broadcast Mixing
The MX-508 can be used to mix sources typically found in location recording or broadcast
situations (mostly microphones). The Tape Out jacks can feed a portable tape recorder, and
the recorder's line output is brought back to the Tape/CD Input connectors for monitoring.
For live remote broadcast applications the Mono Out connector can feed a suitable TELCO
or Internet interface.
Submixer In Larger Sound System:
The MX-508 can be used to provide a drum mix to the main mixer without tying channels
on the main console. Up to eight mics can be "pre-mixed" in stereo, with all drum-specific
gating, compression, and effects controlled directly by the drummer. Either the main
OUTPUT or the SUB OUT connectors can be used to feed the mixed drum signal to the
main mixer. If there is significant distance between the MX-508 and the "master" mixer,
use the balanced or transformer- balanced Main outputs for long cable runs.
Changing Factory Configurations
The MX-508 has the following user-configurable options:
Changing the Aux Pre/Post Assignment
The MX-508 is shipped from the factory with Aux 1 assigned Pre-Fader/EQ, and Aux 2
Post-Fader/EQ. Each channel's Aux Send can be independently configured for either pre
or post fader/EQ operation. To make this change: Unplug the unit's AC power cord from
the outlet. Locate the 3 pin headers labeled Send 1 and Send 2 near the front of each input
channel circuit board. Remove the shunt bar from the factory installed position indicated
on the circuit board legend and place the shunt on the other position of the 3 pin header.
Installation of Input Transformers
The MX-508 is designed to accept optional plug-in input isolation transformers with a
minimum of tools and no soldering. Instructions for installation are included when you
purchase an Ashly MX-508 ITC Kit.
Safety Instructions – 3
Introduction - 4
MX-508 Mixer – 5
Connectors & Cables – 5
Physical Description - 6
Installation – 7
Typical Applications - 8
Small Reinforcement
Meeting Room
Location/Broadcast
Submixing
Factory Configs - 8
Troubleshooting - 9
Dimensions - 9
Specifications - 10
Warranty - 11