1
2
3
4
5
6
7
8
9
10
11
12
13
15
16
17
20
21
22
24
GROUND
CH 1 HI
CH 2 HI
CH 3 HI
CH 4 HI
CH 5L HI
CH 5R HI
CH 6L HI
CH 6R HI
GROUND
14
CH 1 LOW
CH 2 LOW
CH 3 LOW
CH 4 LOW
19
CH 5L LOW
CH 5R LOW
CH 6L LOW
CH 6R LOW
23
LOGIC A
LOGIC B
25
25
23
19
14
24
22
21
20
18
17
16
15
13
12
11
10
9
8
7
6
5
4
3
2
1
25
MON OP R
LOGIC B
LOGIC A
23
CH 6R LOW
CH 6L LOW
CH 5R LOW
CH 5L LOW
19
CH 4 LOW
CH 3 LOW
CH 2 LOW
CH 1 LOW
14
INT MIC OP
MON OP L
GROUND
CH 6R HI
CH 6L HI
CH 5R HI
CH 5L HI
CH 4 HI
CH 3 HI
CH 2 HI
CH 1 HI
GROUND
24
22
21
20
18
17
16
15
13
12
11
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
15
16
17
18
20
21
22
24
14
19
23
25
FEMALE SUB D PIN-OUT
MALE SUB D PIN-OUT
A
MALE
FEMALE
1
3
2
4
+22V (28V NO LOAD)
-22V (28V NO LOAD)
4700/35V
40V C.T. @.3A
POWER SUPPLY
THIS SUPPLY LIMITS THE POWER AND VOLTAGE TO THE STATION TO PREVENT
HEADPHONE AND HEARING DAMAGE. UP TO +/- 35V SUPPLIES ARE POSSIBLE IF LOW
EFFICIENCY HEADPHONES ARE USED OR MORE POWER IS NEEDED.
A: CONNECT IF STATIONS WILL BE "AC GROUND" LIFTED AND/OR
MONITOR OF INTERNAL MICS AND L/R OUTPUTS ARE TO BE
USED VIA A CENTRAL PANEL.
NOTE: -10V TO -15V ON LOGIC A FIRES TALK RELAY
-10V TO -15V ON LOGIC B FIRES INT RELAY
SHORTING LOGIC A TO LOGIC B FIRES TALK RELAY
NOTE: 12, 13 AND 25 ARE NOT USED AT THE
MALE SUB D TO PREVENT TWO LINKED
OUTPUTS FROM DRIVING EACH OTHER
NOTE:1/4" JACKS ARE DIRECTLY CONNECTED TO SUB D
CONNECTORS (PARALLELED) AND WILL NOT BREAK
A CONNECTION. CONSIDER NOT WIRING ONE PAIR
IF A LOCAL SOURCE IS TO BE USED ALSO.
LANGEVIN
HPA-100
EXT TB HI
18
EXT TB LOW
EXT TB HI
EXT TB LOW
NOTE: MOST COMMUNICATION NEEDS CAN EASILY BE
HANDLED THE TYPICAL WAY BY FEEDING ONE
OF THE INPUTS WITH ONE OF THE CONSOLES
CUE FEEDS. USE PINS 6 & 18 TO RECIEVE THE
STATIONS SWITCHED TALK FUNCTION. PIN 13
SENDS THE UN-SWITCHED INTERNAL MIC.
TYPICAL LINK CABLE WIRING FOR NO GROUND LOOPS
NOTE: SWITCHED INTERNAL MICS WILL APPEAR ON
PINS 6 & 18 FOR LINKED STATIONS. GAIN IS
VARIABLE BY THE SOURCE IMPEDANCE OF THE
CONTROL ROOM MIC AMP (IF USED). IF IT IS
SWITCHED THEN IT WILL BREAK INTO ANY
CONVERSATION. A 10K RESISTOR IN LINE
WITH THE MIC AMP ALLOWS "CONFERENCE
CALLS".
/
