11. Fan Outlet Ports
- Cooling air enters the amplifier through the front grills
and exhausts through the fans. Be sure not to block these ports when
installing the amplifier or other associated equipment. Air must flow
unimpeded through these ports.
12. Channel
2 Frequency Adj. (NA-8600 only)
- This pot adjust the frequency
level sent to your speaker on channel 2 when using your amplifier in
subwoofer mode.
13. Channel 2 Subwoofer Mode On/Off Switch (NA-8600 only)-
Turns the
subwoofer mode for channel two on and off.
14. Channel 2 Balanced 1/4" TRS & XLR Input Connectors
- These
connectors accept input signals on balanced TRS and XLR input plugs. See
the figure 3 for information on polarity. Connectors for each channel are in
parallel; the unused connectors may be used for "loop through" connection
to other amplifiers.
XLR pin setting: Pin-3/signal Negative, Pin-2/signal Positive, Pin-1/Ground.
15. Low Cut Filter Mode Switches (NA-5600 & NA-8600 only) -
These DIP
switches are used to activate and adjust the built-in Low Cut Filter, see ”Low
Cut Filter” on Page 13.
16. Channel 1 Balanced 1/4" TRS & XLR Input Connectors
- These
connectors accept input signals on balanced TRS and XLR input plugs. See
the figure 3 for information on polarity. Connectors for each channel are in
parallel; the unused connectors may be used for "loop through" connection
to other amplifiers.
XLR pin setting: Pin-3/signal Negative, Pin-2/signal Positive, Pin-1/Ground.
17. Channel 1 Subwoofer Mode On/Off Switch (NA-8600 only)-
Turns the
subwoofer mode for channel one on and off.
NA-3600 REAR PANEL
NOTE :
Unbalanced "Tip / Sleeve" plugs
may be used with the balanced TRS " Tip /
Ring / Sleeve " connectors. The "ring"
terminal or negative input will be connected
to ground internally. When using three-pole
(stereo) TRS connectors, make sure that
the ring connection is made either to the
cold (-) output of the source equipment, or
to ground. Incorrect connections may
cause a 6dB loss in level.
Figure
3
page 4
Figure
2
:
NA-3600
Rear
Panel
11
14
16
19
20
11
23
24
25
26
C A U T I O N
WARNING:
TO REDUCE THE RISK OF FIRE
OR ELECTRIC SHOCK DO NOT EXPOSE THIS
EQUIPMENT TO RAIN OR MOISTURE
CAUTION
MINIMUM LOAD IMPEDANCE
2 OHM PER CHANNEL
4 OHM BRIDGE
AC IN
F 12A
-120V 60Hz
Important Precautions Introduction
Front Panel
Set Up Operating Modes Protection Features Specifications
Rear Panels
UNiKA
NA-3600/NA-5600/NA-8600
PARALLEL
STEREO
BRIDGE