Louroe Electronics SA-1A User manual

DESCRIPTION
The SA-1A is a sound activated switch, based on sound pressure level, that can be used with the Louroe
ASK-4 Kit 101, any Louroe base station or as a stand alone with any Louroe Microphone. The SA-1A
provides an adjustable threshold that activates when the microphone is subjected to a noise or sound
that exceeds the set threshold level.
The unit has two sets of NO/NC relay contacts for activating a camera, light, machinery, etc. A Louroe
base station is used if sound (audio) is to be monitored or recorded. The SA-1A can accommodate a
10K balanced or 10K unbalanced input. All Louroe microphones produce an unbalanced 600W line level
output.
The length of release latching time can be set from 0.5 to 60 seconds. A built-in LED illuminates when
the threshold setting has been exceeded and the unit is triggered.
EE
LLOUROEOUROE
LECTRONICSLECTRONICS
6955 VALJEAN AVE, VAN NUYS, CA 91406
PH: [phone] / FAX: [phone]
[email protected] / www.louroe.com
SA-1A
SOUND ACTIVATED SWITCH
INSTALLATION AND OPERATING INSTRUCTIONS
SOUND ACTIVATED SWITCH
SA-1A
2 Conductor shielded cable, 22
gauge with a 24 gauge drain wire
NOTE: Unshielded cable is not
satisfactory for audio systems
WIRING REQUIREMENTS
West Penn 452 or equivalent
SA-1A 1/08

LOUROE ELECTRONICS 6955 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL [phone] FAX [phone]
Website: www.louroe.com Email: [email protected]
INSTALLATION AND OPERATING INSTRUCTIONSINSTALLATION AND OPERATING INSTRUCTIONSINSTALLATION AND OPERATING INSTRUCTIONS
Minimum input signal
Audio input impedance
Relay contact
DC input
Relay latch time
Dimensions
Weight, net
50 mVrms
12Vdc, 70mA
5A @ 277 Vac or 5A @ 30Vdc
0.5 to 60 seconds
6 1/8”L x 4 5/8”W x 1 7/8”H
8 oz. (226 g)
10K balanced or unbalanced
SPECIFICATIONSSPECIFICATIONS (Model SA-1A)
SA-1A 1/08

[1] Sensitivity Setting Potentiometer Sets the level of sound for activating the switch. Rotating the
potentiometer clockwise increases the sensitivity of the VOX switch. The
more sensitive the setting, the less sound level is needed to trigger the
unit.
[2] MIC-IN Terminal Block Connects to remote microphone or other audio devices. May be
connected to balanced or unbalanced audio source. Mic input is factory
set for unbalanced connections. When using balanced audio source,
remove jumper marked “JP4”. Louroe microphones are unbalanced
and utilize terminals A, B1 and C.
[3] Jumper JP4 jumper is removed when using a balanced audio source.
(microphone with a 600W balanced output)
[4] Power Jack + 12Vdc AC Adapter (supplied).
[5] MIC IN/OUT Jack Unswitched audio output from remote microphone or other audio device
can be monitored using audio jack. May also be used to accept audio
from external sources without using the Mic Input Terminal Block[2].
[6] Triggered MIC Out Jack Switched audio output from remote microphone or other audio device
can be monitored using RCA jack. No audio is produced until the unit is
triggered.
[7] Line OUT Jack Unswitched audio output level from RCA jack can be adjusted by
rotating the Sensitivity Setting Potentiometer[1]. Rotating clockwise
increases the threshold sensitivity as well as the audio output. Rotating
counterclockwise decreases audio output.
[8] Relay Output 1 3-Pin terminal block marked NO(normally open), COM (common), NC
(normally closed). Provides relay closure when the unit is triggered.
Maximum contact rating is 5A @ 30 Vdc or 5A @ 277 Vac.
[9] Relay Output 2 3-Pin terminal block marked NO(normally open), COM (common), NC
(normally closed). Provides a second relay closure when unit is
triggered.
[10] Latch Release Potentiometer Sets relay latching time. Rotate the potentiometer shaft slowly clockwise
for more time release or counterclockwise for less. Time can be set from
0.5 to 60 seconds.
[11] Alarm LED Illuminates when unit is triggered or is in alarm. Turns OFF when the
latching time for the relay expires.
Page 1 of 3
(seldom used)
SA-1A
SOUND ACTIVATED SWITCH
MIC IN
A
SENSITIVITY
SETTING LATCH RELEASE
TIME
12 Vdc
JP4
B1
B2
C
RELAY 1
LINE OUT
TRIGGERED
MIC OUT
NC
COM
NO
RELAY 2
NC
COM
NO
EE
LLOUROEOUROE
LECT RONI CSLECT RONI CS
11
10
9
8
7
6
5
4
3
2
1
Fig. 1 SA-1A Panel Description
LOUROE ELECTRONICS, 6955 VALJEAN AVE., VAN NUYS, CA 91406 [phone] FAX [phone]
www.louroe.com / [email protected]
INSTALLATION AND OPERATING INSTRUCTIONSINSTALLATION AND OPERATING INSTRUCTIONS
SA-1A 1/08

CONNECTIONS AND TEST (See sample interconnection diagram on page 4)
The following connections and test procedures below use Louroe’s Microphone and Base Station. If using
microphone or audio receiving device from another manufacturer, refer to its installation and operating instructions.
West Penn 452 is used as sample cable for this procedure. Red wire is 12Vdc
Black wire is Audio Output
Bare wire is Ground
CONNECTING LOUROE MICROPHONE TO SA-1A
1) CONNECT ONE END OF 2 CONDUCTOR SHIELDED CABLE TO 3-PIN BARRIER BLOCK OF REMOTE
MICROPHONE AS FOLLOWS:
a) Connect RED wire to terminal marked “A” of microphone.
b) Connect BLACK wire to terminal marked “B” of microphone.
c) Connect BARE wire (drain) to terminal marked “C” of microphone.
2) CONNECT THE OTHER END OF 2 CONDUCTOR CABLE TO THE MIC INPUT TERMINAL BLOCK [2] OF
SA-1A AS FOLLOWS:
IF USING A LOUROE MICROPHONE (3 WIRE CONFIGURATION)
a) Connect RED wire to terminal marked “A” of SA-1A.
b) Connect BLACK wire to terminal marked “B1” of SA-1A.
c) Connect BARE (drain) wire to terminal marked “C” of SA-1A.
IF USING A MICROPHONE FROM OTHER MANUFACTURERS WITH 600W BALANCED OUTPUT (2-WIRE
CONFIGURATION)
a) Connect one wire to terminal B1
b) Connect one wire to terminal B2
c) Remove JP4 jumper from socket [3]
TEST AND OPERATION
1) Plug 12Vdc power supply to Power Jack[4].
2) Plug AC Adapter to a standard 115Vac wall outlet or power strip.
3) Rotate the Latch Release Potentiometer [10] clockwise to desired length of time. Latch time is from 0.5 to 60
seconds.
4) Turn “ON” power to the Louroe Base Station. A 12Vdc AC Adapter is included with base station.
5) Rotate the Volume Control Knob of the Base Station clockwise to increase the volume of audio.
6) Generate some noise at the area where the remote microphone is located. Rotate the Sensitivity Setting
Potentiometer[1] clockwise to increase the level of audio sensitivity until the SA-1A goes into alarm, as
indicated by the illuminated Alarm LED[11]. The two relay outputs should all be closed. (COM - Common; NO
- Normally Open; NC - Normally Closed)
7) If Triggered MIC Output Jack[6] is connected to the Base Station, audio from the microphone at the remote
location will be present at the speaker as soon as the SA-1A goes into alarm. Audio remains on until the time
set for the latch release expires.
8) If the sound that initiated the alarm continues, the SA-1A will re-activate for the time set and again shut off. This
procedure will continue until the sound falls below the threshold level or ceases.
Page 2 of 3
CONNECTING SA-1A TO A LOUROE BASE STATION (If applicable)
1) Using an RCA connector cable, cut the RCA plug off of one end. Connect the end with the RCA plug to the RCA
jack marked Triggered MIC OUT[6] on the SA-1A.
2) Connect the other end (stripped wire) of RCA cable to terminal block of base station marked A, B, C as follows
1 The larger wire of stripped end (with jacket) connects to terminal B of base station.
2 The copper wire (bare) goes to terminal C of base station. Terminal A of base station is
not used with this application.
LOUROE ELECTRONICS, 6955 VALJEAN AVE., VAN NUYS, CA 91406 [phone] FAX [phone]
www.louroe.com / [email protected]
INSTALLATION AND OPERATING INSTRUCTIONS
SA-1A 1/08

SA-1A
SOUND ACTIVATED SWITCH
MIC INMIC IN
AA
SENSITIVITYSENSITIVITY
SETTINGSETTING
12 Vdc12 Vdc
B1B1
B2B2
CC
RELAY 1RELAY 1
LINE OUTLINE OUT
TRIGGERED
MIC OUT
TRIGGERED
MIC OUT
NCNC COMCOM NONO
RELAY 2RELAY 2
NCNC COMCOM NONO
EE
LLOUROEOURO E
LECTR ONICSLECTR ONICS
Model SA-1A
WEST PENN 452 OR EQUIVALENT
2 COND. SHIELDED 22 GAUGE
MAXIMUM DISTANCE BETWEEN MICROPHONE
AND SA-1A IS 1,000 FT (305m)
12 VDC
Power supply
(included)
BARE (C)
A B C
MO D EL
VE R IFAC T A
L
N
BLACK (B1)
RED (A)
Microphone gain adjust: N is normal, L is low
All Louroe Verifact Microphones are compatible
with SA-1A and are 600W unbalanced
Verifact A Microphone shown as an example
BARE (C)
BLACK (B1)
RED (A)
TRIGGERED
MIC OUT
RCA PLUG
INTERCONNECTION DIAGRAM
FOR
VERIFACT A MICROPHONE
SA-1A SOUND ACTIVATED SWITCH
APR-1 AUDIO BASE STATION
N
I
E
D
U
A
S
A
M
+12 Vdc INPUT OUTPUT
AUDIO
BA C
MIC INPUT
VAN NUYS, CA
Rear panel of APR-1 Audio Base Station
Stripped end of
RCA cable
12Vdc
Power supply
(included)
Page 3 of 3
TERMINAL BLOCK IDENTIFIER FOR
SA-1A:
(A) - 12Vdc
(B1) - Unbalanced Audio (Louroe Microphone)
(B2) - Balanced Audio (microphone from other
manufacturers)
(C) - Ground
TERMINAL BLOCK IDENTIFIER
FOR MICROPHONE:
(A) - 12Vdc Red wire
(B) - Audio Output Black wire
(C) - Ground Bare wire
LATCH RELEASE
TIME
LATCH RELEASE
TIME
LOUROE ELECTRONICS, 6955 VALJEAN AVE., VAN NUYS, CA 91406 [phone] FAX [phone]
www.louroe.com / [email protected]
INSTALLATION AND OPERATING INSTRUCTIONS
2 Conductor shielded cable, 22
gauge with a 24 gauge drain wire
NOTE: Unshielded cable is not
satisfactory for audio systems
WIRING REQUIREMENTS
West Penn 452 or equivalent
SA-1A 1/08

LOUROE ELECTRONICS, 6955 VALJEAN AVE., VAN NUYS, CA 91406 [phone] FAX [phone]
www.louroe.com / [email protected]
Notes
INSTALLATION AND OPERATING INSTRUCTIONS
SA-1A 1/08

IMPORTANT NOTICE
When this equipment is used as part of an
audio monitoring system, the law requires
that the public be given notice of AUDIO
MONITORING ON THE PREMISES. A
decal notice is included with each
microphone shipped.
Federal Law References:
Federal Regulations, US Code, Title 18.
Crime and Criminal Procedure, Sec 2510.
AUDIO
MONITORING
E
LOUROE
LECTRONICS
On
These Premises
INSTALLATION AND OPERATING INSTRUCTIONS
SA-1A 1/08

EE
LLOUROEOUROE
LECTRONICSLECTRONICS
MANUFACTURED
IN THE
SA-1A 1/08
LOUROE ELECTRONICS, 6955 VALJEAN AVE., VAN NUYS, CA 91406 [phone] FAX [phone]
www.louroe.com / [email protected]
WARRANTY
LOUROE ELECTRONICS warrants that at the time of shipment products manufactured by LOUROE ELECTRONICS to be free of defects in material and workmanship.
Should a defect appear within one year (12 months) from date of shipment, LOUROE ELECTRONICS will, at its sole discretion, repair or replace the defective equipment.
This equipment shall not be accepted for repair or return without prior notification by LOUROE ELECTRONICS.
This warranty does not extend to any Louroe product that has been subjected to improper or incorrect installation, misuse, accident, or in violation of installation
instructions provided by LOUROE ELECTRONICS.
Returned shipments to LOUROE ELECTRONICS shall be at customer’s expense. LOUROE ELECTRONICS will return the equipment prepaid via best way.