810037-1.03 GPM-216 DATA.pdf
© Glyph Technologies, a division of Ithaca Technologies, LLC
Sept 30, 2005
Details of the GPM-216 Back Panel
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1 - 80mm fan for exhausting heat from the unit
2 - Input A - Female XLR mic/instrument input
3 - Thru A - Male XLR mic/instrument output
4 - Input B - Female XLR mic/instrument input
5 - Thru B - Male XLR mic/instrument output
6 - Thru A and B - Balanced TRS 1/4” loop-through outputs
7 - Aux Send/Return 1 and 2 - TRS per channel inserts
8 - Left and Right Main Insert - TRS main inserts
9 - Left and Right Main Output - Balanced TRS 1/4”
10 - CAT5 Ethernet connector
11 - Expansion Port
12 - Power supply cooling fan
13 - Power connector
GPM-216 in a live sound environment
Each musician carries a GPM-216 with them to the
gig and sets it up with their gear on stage. The unit
acts as a console for mixing each musician’s
monitor. Here’s how it’s connected:
• Musicians connect instruments to the front-panel
analog inputs, which can accommodate sources
such as vocal mics, instrument mics, direct guitar,
keyboard or bass signals.
• “Loop through” outputs are connected to the
FOH mixing board. The signals delivered to the
FOH console are unaffected by the GPM-216. It is
essentially a cable split.
• Musicians connect the main outputs to their
monitor of choice, which could be headphones,
earbuds or amplifiers driving traditional wedges.
• GPM-216 units are connected together via
standard CAT5 Ethernet cable through an
Ethernet 100 switch.
Signals from everyone in the band are seen as
"inputs" on every unit. Musicians mix local and
incoming sources, and broadcast their own sources
onto the network for others to mix. Musicians
simply select a source via a front panel selector
button, and can quickly change volume, pan, mute
and solo for that source. It is designed for easy
readout with an LCD screen for identifying names
of sources, placement in the stereo spectrum and
status of mute or solo. All of the controls and the
screen are well lit for stage use.
Stage Connection Diagram
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