2
TD-000449-00-A
Connections
Inputs (Channels 1 & 2)
Input Impedance: 40 k
Ω
Balanced, 20 k
Ω
Unbalanced
(Figure 2
)
See
Table 1
for wiring
1. XLR female
2. ¼" female TRS Phone Jack
3. USB Standard B connector - Used for updating the amplifi er fi rmware.
Outputs (Channels A & B)
4
Ω
or 8
Ω
impedance
(Figure 3)
1. NL4 – Do not combine the audio outputs in any way. Do not connect the audio outputs to ground.
AC Power
A. Connect the IEC power cord to the AC receptacle on the rear of the amplifi er.
(Figure 4)
Controls
See
Figure 5
.
1. Channel A clip indicator
2. Channel A signal presence indicator
3. Power Switch/LED on/off
4. Adjust Channel A gain
5. Home – go to Home screen / view Preset screen
6. Enter – select highlighted item and/or confi rm parameter change
7. Exit – return to previous screen and/or undo parameter changel
8. Adjust Channel B gain, select and adjust controls
9. Channel B signal presence indicator
10. Channel B clip indicator
— Figure 6 —
Clip
LED
Clip
LED
Signal
Presence
Routing
Matrix
4-band
PEQ
Delay
Limiter
Meter
Gain
High-pass
Filter
Polarity
Low-pass
Filter
D/A
Converter
B
A/D
Converter
Signal
Presence
4-band
PEQ
Delay
Limiter
Meter
Gain
High-pass
Filter
Polarity
Low-pass
Filter
D/A
Converter
Crossover
Digital Signal Processing
Shown on
LCD
Front
Panel
Knobs
Front
Panel
LEDs
Front Panel
LEDs
Front Panel
LEDs
Controlled
by Preset
Selection
A
A/D
Converter
Sensitivity
Sensitivity
GXD Amplifier Signal Flow
Switched
in DSP
— Figure 2 —
1
2
3
POS
NEG
GROUND
XLR
2
3
1
1/4
TIP
RING
SLEEVE
— Table 1 —
— Figure 3 —
LOCK
OUTPUTS TO SPEAKERS
CH A
1+ 1-
CH B
2+ 2-
CH B
1+ 1-
LOCK
— Figure 4 —
— Figure 5 —
HOME
ENTER
EXIT
+
STATUS: OK
3
4
5
6
7
8
GAIN
P1: ST SAT FULL RANGE
A
B
-100
10.0
1
2
9
10
CLIP
SIG
A
PROCESSING
AMPLIFIER
dB
GAIN/DSP CONTROL
CLIP
SIG
B
