Crown MPX-6 Manual

Crown Ikke kategoriseret MPX-6

Læs gratis den danske manual til Crown MPX-6 (3 sider) i kategorien Ikke kategoriseret. Denne vejledning er vurderet som hjælpsom af 13 personer og har en gennemsnitlig bedømmelse på 4.6 stjerner ud af 7 anmeldelser. Har du et spørgsmål om Crown MPX-6, eller vil du spørge andre brugere om produktet?

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@crown
®
* System
®
Product Reference
MPX-6
™
Mixer-Router
ENABLEDSPI
LMP
+–+–+–+–+–
AUDIO
IN
6
+– +– +– +– +–
MAIN
CROWN BUS
AUX
CTRL
RS232 / RS422 / PA422
AUDIO
IN
5
AUDIO
IN
4
AUDIO
IN
3
AUDIO
IN
2
AUDIO
IN
1
120 VAC
60 Hz
20 W
SERIAL DATA LOOP
AUDIO
OUT
2
AUDIO
OUT
1
BUS
STACK
IN
MAIN BUS
STACK
IN
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
LMP
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
LMP
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
LMP
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
LMP
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
LMP
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
OUT IN
+
–
+
–
INPUT
GROUND
ONLY
IN
MPX-6 COMPUTER CONTROLLED MIXER-ROUTER
(Front Panel shown above, Rear Panel shown below)
OVERVIEW
What is an MPX-6?
The MPX-6 is a single rack space five
by one automatic mixer designed to be
configured with a computer and appro-
priate software. Once initially setup the
computer becomes optional. The key to
the MPX-6 operating as a stand alone
mixer is distributed intelligence
™
. In an
IQ System the brains of the system live
out in the system. This means the audio
system is not going to be lost even if the
computer or communication cables fail.
The MPX-6 is an ideal choice for appli-
cations where computerized manual
mixing or routing is desired and the au-
tomation of the SMX-6 or AMB-5 auto-
matic mixers is not required.
HARDWARE BLOCK DIAGRAM
Refer to the pictures of the front and rear
panels shown above and the block dia-
gram of the MPX-6 mixer on Page 2.
Audio Main Inputs:
Six balanced inputs with removable 3
pin barrier block. The preamp stage in-
cludes:
• M/L/P switches
set each input to
line level (L) with 0
dB gain, mic level
(M) with 25 dB ad-
ditional gain, or
phantom (P) which is 25 dB addi-
tional gain and +44 VDC phantom
power.
• A trim pot at each input allows for
prefade gain adjustment of –12 dB
to +21 dB gain after the M/L/P
switch.
There are two VCAs under processor
control at the output of each preamp.
One VCA controls the gain from input to
output mix 1 and the other VCA controls
gain from the input to output mix 2. The
net result is 12VCAs total.
Audio Stack Inputs:
Two inputs, one per output mix. Connec-
tions are via unbalanced RCA phono
jacks. These inputs are op-amp isolated.
There is no processor control of audio
coming into these inputs. The purpose
of the stack inputs is to allow construc-
tion of a wide mixer with more than six
inputs by taking the outputs of one mixer
and going into the stack inputs of a sec-
ond mixer. This means that main inputs
do not have to be used to expand the
effective size of the overall mixer.
Audio Main Outputs:
There are two summing
buses. Each summing
bus provides the out-
put mix for the corre-
sponding output chan-
nel. Op-amps buffer
the summing bus to the
output connection and balance the au-
dio output. The outputs are via 3 pin re-
movable barrier blocks.
Audio Bus Outputs:
In addition to the two main outputs, there
are also two bus outputs. Bus outputs 1
and 2 provide the same audio output as
main outputs 1 and 2. Op-amps buffer
the summing bus to the output connec-
tion and balance the audio output. What
makes the Bus Outputs different are re-
lays under processor control which may
be used to turn on or off the Bus Output
drive. 3 Pin removable barrier blocks are
used.
Aux Port:
The unit is equipped with a TB-3M type
mini-XLR port. This port may be used to
provide a control signal or sense a con-
trol signal. Pin 1 is ground reference. Pin
2 is output under processor control.
When on it provides 10 VDC at 16 ma.
When off it is open collector (high im-
pedance). Pin 3 is sensing input. +5 to
+30 VDC is sensed as a logic high. The
circuit floats, therefor tie to ground or TTL
source for definite high or low.
Indicators:
A Power light on the front panel indicates
the unit is powered. A DSPI data signal
presence indicator indicates communi-
cation.
Crown Bus Port:
The Crown Bus is a serial data loop
where components are connected into
the loop and one component serves as
system interface for all. This unit may
serve as a system interface or may sim-
ply operate as a component on a Crown
Bus data loop. Although the Crown Bus
may function on a variety of media,
Crown uses a two-wire 20 ma current
loop for input and output Crown Bus
connections. On this unit connections
are made via 4 pin removable barrier
block. Even if the unit is communicating
directly with a PC via its serial port, it
always functions in software as an ad-
dressable component on a Crown Bus
loop. The unit must have a valid loop
address. A valid address is:
• 1 to 250 set via 8 segment DIP
switch
• No other MPX on the same Crown
Bus data loop may have the same
address.
The Crown Bus is asynchronous with 8
data bits, 1 start bit, 1 stop bit, no par-
ity, and operates at 38400 baud. The
MPX is not a U-Code protocol compo-
nent.
Serial Port:
The serial port on this unit is a female
25 pin D-Shell. RS232 and RS422 are
supported with 8 Data bits, 1 start bit, 1
stop bit, no parity. Up to 19200 baud
supported. The serial port for the AMB
may be used for direct communication
with a PC such that the AMB serves as
interface:
+–
AUDIO
IN
1
LMP
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
+–+–
AUDIO
OUT
1
MAIN BUS
STACK
IN
MPX-6 Mixer (Page 1 of 3)

Produkt Specifikationer

Mærke: Crown
Kategori: Ikke kategoriseret
Model: MPX-6

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