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14 V-TONE GMX1200H/GMX212/GMX210/GMX112/GMX110 User Manual
strain relief clamp
sleeve
ring
tip
sleeve
ground/shield
¼" TRS headphones connector
ring
right signal
tip
left signal
Fig. 6.2: ¼" stereo TRS connector for AUX and PHONES
6.2 Speaker connection
The GMX110 and GMX112 feature a SPEAKER connector to which you can connect
an additional loudspeaker. This additional loudspeaker should be able to handle
at least 30 Watts @ 4 Ω (GMX110) and 60 Watts @ 4 Ω (GMX112) respectively.
The GMX212 and GMX1200H feature two LOUDSPEAKER-outputs (EXT LEFT and
EXT RIGHT) for connecting two loudspeakers or a single stereo loudspeaker
unit. The output power rating is 60 W per channel. To assure optimal power
delivery from the amp, you should use 8-Ω loudspeakers that can handle at
least60Watts.
This goes for all models: You can also use loudspeakers with higher impedance
values, but this lowers proportionally the power delivery as the resistance
increases. Doubling the impedance halves the power value (double the
Ohms=half the Watts).
◊ Since SPEAKER and LOUDSPEAKER outputs are connectors where
amplified signals are given out, never connect equipment with
line-level inputs to these two connectors, e. g. mixer inputs.
6.3 MIDI connection
The MIDI standard (Musical Instruments Digital Interface) was rst developed
at the beginning of the ’80s, with the goal of enabling mutual communication
between electronic instruments of various manufacturers. Over the years,
thenumber of possible MIDI applications has increased substantially;
nowadays,it is perfectly normal to connect entire studios via MIDI.
At the center of this network is a computer with a sequencing software,
usedtocontrol not only keyboards but also eects processors and other
peripheral equipment. In such a studio, you can control your V-TONE in real
time from a computer. Using a MIDI footswitch presents itself as a great idea,
especially in live applications, because it allows you to control not only eect
parameters but also switch between channels and eects.
The standard 5-pole DIN MIDI connector is located on the rear of your V-TONE.
To connect your V-TONE with other MIDI equipment, you will need a MIDI cable.
Pre-packed cables available at music stores are used for this purpose. Such cables
should not be longer than 15 m (45 ft).
MIDI IN receives MIDI control data. The receiving channel is adjusted using the
CHANNEL and IN/OUT key combination On = Omni means that MIDI data are
being received and processed on all channels (compare section 4.2).
7. Appendix
7.1 MIDI implementation
MIDI Implementation Chart
Function Transmitted Recognized Remarks
Basic
Channel
Default Changed
X
X
OFF, 1 - 16
OFF, 1 - 16
memorized
Mode
Default
Messages Altered
X
X
X
1, 2
X
X
Note
Number
True Voice
X
X
X
X
Velocity
Note ON
Note OFF
X
X
X
X
After
Touch
Keys
Channels
X
X
X
X
Pitch Bender X X
Control X O see add. table
Progr.
Change
True # X
O
0 - 99
123
124
127
123 = Channel 1
124 = Channel 2
127 = Tuner
System
Exclusive
X X
System
Common
Song Pos.
Song Sel.
Tune
X
X
X
X
X
X
System
Real Time
Clock
Commands
X
X
X
X
Aux
Messages
Local ON/OFF
All notes OFF
Active Sense
Reset
X
X
X
X
X
X
X
X
Notes
O = YES, X = NO
Mode 1: OMNI ON
Mode 2: OMNI OFF
Tab. 7.1: MIDI implementation
Parameter Name Display Range
Midi
Control
Number
Control
Value
Range
Volume Controller — 7 0 .. 127
Channel Select
Channel 1 = 0
Channel 2 = 1
10 0, 1
Eect Bypass
OFF = 0
ON = 1
11 0, 1
Parameter 3 depends on eect * 12 0 .. 127 (max.)
Parameter 2 depends on eect * 13 0 .. 127 (max.)
Parameter 1
(MIX)
depends on eect * 14 0 .. 127 (max.)
Wah / Modulation
Controller
— 27
0 = o
1 .. 127
Mod FX send on/o — 21 0/127
Reverb send on/o — 22 0/127
Delay send on/o — 23 0/127
Tap Tempo — 64 value > 63
Tuner Bypass Volume — 82 0 .. 127
* for details see Tab. 4.1
Tab. 7.2: V-TONE MIDI controllers 7.2 Eect presets