Ashly MX-406 Руководство по эксплуатации - Страница 6
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Operating Manual -MX-406 Stereo Microphone/Line Mixer
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
5. CONNECTORS AND CABLES
The MX-406 mixer is fitted with four types of
audio connectors: 3-pin XLR type male (mono output),
3-pin XLR type female (mic inputs), 1/4" tip-ring-sleeve
(TRS) phone jack, and RCA jack. Certain 1/4" jack con-
nections may use an unbalanced mono plug, which is also
shown.
Tip (+)
Ring (-)
Sleeve (Gnd)
Tip (+)
Sleeve (Gnd)
XLR pins are
numbered
on the
connector
insert.
2 = (+)
3 = (-)
1 = (gnd)
Audio Connector Types
6
Model MX-406
Made In USA
Phantom
100-120VAC
50-60Hz 15W
(Gnd)
(+)
RCA Plug
Stereo Phone Plug
used for balanced
Mono Phone Plug
used for unbalanced
XLR Male
XLR Female
Mono
Output
(Transformer
Stereo
Outputs
Balanced)
Right
+ 4 8 V
Power
Left
Two-conductor (twisted pair) shielded cable is
best for all XLR type connections. Belden No. 8412 or
its equivalent is an excellent cable due to its heavy con-
struction. This type of cable should be used for all por-
table applications. Snake cables containing multiple
shielded pairs must be handled very carefully because the
leads tend to be fragile, and a broken conductor is diffi-
cult to repair.
If low level and high level lines are run parallel
for long distances, crosstalk may occur. In fact, the
crosstalk (signal leakage between cables) can cause an
electronic feedback loop, oscillation, and possibly dam-
age to the equipment. To minimize crosstalk, physically
separate low level (microphone) cables from speaker
cables by the greatest feasible distance. At any point
where cables meet, run low level cables perpendicular to
high level or speaker cables. If low and high level or
speaker cables must be run parallel and in close proxim-
ity to one another, they should be bundled separately. In
a permanent installation, avoid running speaker cables and
mic cable through the same conduit pipe.
6. REAR PANEL FEATURES
6.1 Microphone Input
The MX-406 microphone input is an active bal-
anced type with a nominal impedance of 1200 ohms. Its
noise performance is best with a 200 ohm microphone.
The Mic input connector is a standard 3-pin XLR female
with the shield on pin 1, the (+) in-phase connection on
pin 2, and the (-) out-of-phase connection on pin 3.
Stereo
Stereo
Line
Line Out
Input
Aux
-L-
Master
Output
-R-
M
Ch.6
Tip=Ou