8
7
6
5
4
3
2
1
NOTES:
1. ALL DIMENSIONS FOR REFERENCE ONLY.
2. MATERIALS: HOUSING, END, AND COMPONENT PANELS
ARE BLACK ANODIZED ALUMINUM.
3. LASER ETCHED WHITE TEXT AND ARTWORK.
4. POWER REQUIREMENTS FOR PHANTOM LIFT FEATURE:
44-52 VOLTS (DC) PHANTOM POWER (P48)
5. THIS PRODUCT IS RoHS COMPLIANT
F
F
CONTROLS:
4.16
105.7
INPUT:
¼” (6.3mm) MONO PHONE JACK. ACCEPTS SIGNALS
FROM INSTRUMENTS.
THRU:
¼” (6.3mm) MONO PHONE JACK. WIRED IN PARALLEL
WITH INPUT.
E
E
-20dB PAD:
TOGGLE SWITCH. REDUCES INPUT SIGNAL LEVEL AN
ADDITIONAL 20dB FOR LINE LEVEL SIGNALS.
3.35
85.1
INPUT
MIC OUTPUT:
3 PIN MALE XLR. PROVIDES BALANCED, LOW
IMPEDANCE MIC LEVEL OUTPUT. WIRED PIN-1
GROUND, PIN-2 HOT, PIN-3 COLD.
MIC OUTPUT
THRU
GROUND LIFT MODE:
RECESSED SLIDE SWITCH. USE TO SELECT WHICH
FORM OF GROUND CONTROL TO USE.
D
MANUAL MODE - ENABLES CONTROL OF THE GROUND
LIFT FROM THE DI USING THE TOGGLE SWITCH.
2.10
53.3
PAD
48V MODE - ENABLES REMOTE CONTROL OF THE
GROUND LIFT FROM THE CONSOLE USING 48 VOLT
PHANTOM POWER.
LIFT/GND
0.04
1.1
C
D
LED
GROUND
LIFT MODE
PHANTOM POWER OFF: XLR PIN-1 GROUNDED
PHANTOM POWER ON: XLR PIN-1 LIFTED
LIFT/GND:
TOGGLE SWITCH. FUNCTIONAL ONLY WHEN IN
MANUAL GROUND LIFT MODE.
C
LIFT PIN1: XLR PIN-1 LIFTED
GND: XLR PIN-1 GROUNDED
RUBBER
STRIPS
LED:
ILLUMINATES BLUE (INDICATING XLR PIN-1 IS LIFTED)
WHEN PHANTOM POWER IS ENGAGED. FUNCTIONAL
ONLY WHEN IN 48V MODE.
B
B
CUSTOMER DRAWING
THIS DRAWING DESCRIBES A DESIGN CONSIDERED PROPRIETARY IN NATURE, DEVELOPED AND MANUFACTURED
BY SWITCHCRAFT INC. AND IS RELEASED ON A CONFIDENTIAL BASIS FOR IDENTIFICATION PURPOSES ONLY.
UNLESS OTHERWISE SPECIFIED
B
27673
A
26785
REV
ECO NUMBER
5-1-16
TO
TJK
06-09-11
JEB
TJK
DATE
REVISIONS
8
7
6
5
4
BY
APVD
WIDTH
MULT
FINISH
1. ALL DIMENSIONS IN INCHES
A
SIZE
- TWO PLACE DECIMALS
0.02
- THREE PLACE DECIMALS
0.005
DO NOT SCALE DRAWING
SolidWorks CAD File
BY
A
SPEC No.
SCALE
CHKD
1:1
APVD
TJK
JEB
12-6-10 BHM
11-20-12 11-20-12
NAME
INSTRUMENT DIRECT BOX
WITH PHANTOM LIFT
C
TEMPER
MATERIAL
SPEC No.
FIRST USED ON
DATE DRAWN
LBS/M
SHEET
PART No.
1
SC900CT
OF
3
REV
B
8
7
6
5
4
3
2
1
F
F
E
E
D
D
C
C
B
B
CUSTOMER DRAWING
A
A
SCALE
1:1
DATE DRAWN
12-6-10
DRAWN BY
SHEET
PART No.
BHM
8
7
6
5
4
3
SolidWorks CAD File
C
2
SC900CT
OF
3
REV
B
8
7
6
5
3
-20dB PAD
TOGGLE SWITCH
1/4" INPUT
F
4
2
1
IMPEDANCE MATCHING
TRANSFORMER,
FULLY SHIELDED
F
1/4" THRU
XLR OUTPUT
(LOW-Z)
E
E
RF FILTER
D
D
MANUAL MODE
XLR PIN-1 GROUND LIFT
TOGGLE SWITCH
GROUND LIFT MODE
SLIDE SWITCH
MANUAL
C
C
48V
PHANTOM LIFT CIRCUIT
FOR 48V MODE
XLR PIN-1 LIFTED FROM
INPUT GROUND WHEN
48 VOLT PHANTOM
POWER IS ENGAGED.
B
B
LED ILLUMINATES WHEN
LIFTED IN 48V MODE
A
PATENT PENDING
CUSTOMER DRAWING
A
SCALE
1:1
DATE DRAWN
12-6-10
DRAWN BY
SHEET
PART No.
BHM
8
7
6
5
4
3
SolidWorks CAD File
C
3
SC900CT
OF
3
REV
B
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