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THESE SPECIFICATIONS
ARE AVAILABLE ON 3.5"
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2/6/98
METER BRIDGE • CONSOLE STAND
METER BRIDGE
1. GENERAL
CONFIGURATION.
The
Mackie 8•Bus Meter Bridge
shall be provided as a user-
installable display option for
the Mackie 8•Bus Series
Consoles and shall include
mounting hardware, inter-
face cabling and instruc-
tions. The Meter Bridge
frame shall be formed of
painted steel, and a model
shall be available to fit each
of the four 8•Bus Console
configuration options.
2. MECHANICAL SPECIFI-
CATIONS.
The Meter Bridge
frame shall have a display
face 3.20" in height, and
shall have a width of 45.80"
(
MB
•
32
), 37.00" (
MB•24
), or
29.15" (
MB
•
16
and
MB
•
E
).
At each end of each Meter
Bridge frame shall be a
mounting ear designed to
accommodate mounting
and rotation on the appro-
priate Mackie 8•Bus Console
by means of collar pieces
and associated hardware.
Each Meter Bridge frame
shall accommodate 32
(
MB
•
32
), 24 (
MB
•
24
) and
(
MB
•
E
), or 16 (
MB
•
16
) LED
ladder-type meters. Addition-
ally, the
MB
•
32
,
MB
•
24
and
MB
•
16
shall be fitted with
two 3" mechanical VU
meters. The Meter Bridge
shall have 5 (
MB
•
32
), 4
(
MB
•
24
), or 3 (
MB
•
16
) and
(
MB
•
E
) access slots for
interface connections.
3. DISPLAY.
The Meter
Bridge shall have a peak-
reading LED ladder-type
meter for each of the
Console input/tape chan-
nels, and the
MB
•
32
,
MB
•
24
and
MB
•
16
shall
have two additional me-
chanical VU meters for the
Console main outputs. All
the display meters in the
Meter Bridge shall be
electronically buffered. The
LED meters shall have 12
segments, displaying a
range of –40 dB to +10 dB.
The 0 dB reference level for
the LED meters shall be
4 dBu. The VU
meters shall be calibrated
to read 0 VU for a level of
+4dBu measured at the
Console main outputs.
4. INTERFACE CABLING.
Depending on the model,
the Meter Bridge shall have
3, 4 or 5 ribbon-type inter-
face cables, each positioned
and terminated in a manner
to easily connect to the
corresponding interface
sockets on the Mackie 8•Bus
Console frame.
5. POWERING.
All powering
for the Meter Bridge will be
provided by the Mackie
8•Bus Console through the
interface ribbon cables.
6. LED LADDER METER
INPUT SWITCHING.
The
Meter Bridge shall have a
two-position switch which
shall globally switch all the
LED meters to one of two
sources available from the
Console: the multitrack tape
return or the channel direct
output.
7. INSTRUCTIONS.
The
Meter Bridge shall include
complete, illustrated and
user-friendly assembly
instructions, which shall
conform to existing Mackie
standards for technical
literature without being
actually misleading.
8. DESIGNATION.
The Meter
Bridges shall be designated
according to size and con-
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