Model AMT/R-600 is a Line Driver and Line Receiver designed to interface bi-directional
audio with other manufacturer’s transmission systems (fiber optic lines, wireless video
transmissions, telephone wire, etc.) The unit consists of a microphone line driver and a
line receiver/power driver. The line driver receives signals from the remote Louroe
microphone and amplifies it to 0dB @ 600Ω (balanced) for input to the transmission
system being used. The line receiver/power driver matches the 600Ω balanced line and
amplifies the signal to drive an 8Ω speaker with a 70V transformer to a maximum of 2W.
A 15Vdc, 1A power supply is included with the AMT/R-600.
The AMT/R-600 is compatible with Louroe Speaker/Microphone Model TLM, TLI, TLSP
and TLO.
Provides balanced 600Ω audio output from the remote microphone.
LOUROE ELECTRONICS 6955 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458
Website: www.louroe.com Email: sales@louroe.com
page 1 of 5
(818)
AMT/R 600 1/08
WIRING CONNECTIONS
The input side of the AMT/R-600 connects to the remote Louroe speaker/microphone. The output side of
the AMT/R-600 connects to the audio input of the transmission system (fiber transceiver, wireless video
transceiver, etc.)
Recommended cable (West Penn 356) contains 5 wires. Three shielded for the microphone (red, black
and bare) and two unshielded for the speaker portion (green and white)
1. MICROPHONE CONNECTION OF SPEAKER/MICROPHONE (MODEL TLM-W USED AS AN
EXAMPLE) REFER TO DIAGRAM P. 4:
The microphone portion contains a 3-pin terminal block marked A, B, C. Bring in cable and
connect as follows:
a. Connect red wire to pin A of microphone (12Vdc).
b. Connect black wire to pin “B” of microphone (audio out).
c. Connect drain wire (bare) to pin “C” of microphone (ground).
SPEAKER CONNECTION OF MODEL TLM-W:
Coming off the speaker’s 70V transformer are two lead wires, green (positive) and white
(negative). Using wire nuts:
a. Connect green wire from transformer to green wire of recommended cable.(positive)
b. Connect white wire from transformer to white wire of recommended cable.(ground)
2. CONNECTION FROM SPEAKER/MICROPHONE TO AMT/R-600 LINE DRIVER-RECEIVER
MICROPHONE PORTION OF AMT/R-600:
Bring other end of recommended cable connected to remote speaker/microphone to “MIC IN”
terminal block of AMT/R-600 marked A, B, C:
a. Connect red wire to pin “A” of “MIC IN”. (12Vdc)
b. Connect red wire to pin “B” of “MIC IN”. (Audio Output)
c. Connect red wire to pin “C” of “MIC IN”. (Ground)
SPEAKER PORTION OF AMT/R-600:
The remaining two wires of recommended cable (green and white) connect to the 2-pin terminal
block marked “TB OUT” of AMT/R-600.
a. Green wire goes to pin on the right side of terminal block.
b. White wire goes to pin on the left side of terminal block.
3. CONNECTION FROM AMT/R-600 TO TRANSMISSION DEVICE (FIBER TRANSCEIVER, ETC.)
MICROPHONE PORTION OF AMT/R-600:
The 2-pin terminal block of AMT/R-600 marked “MIC OUT” serves as the connection point for
driving the microphone into the audio input of the receiving device (fiber transceiver, wireless
video transceiver, etc.)
a. Connect red wire of recommended cable to the right side pin of “MIC OUT” and the black wire
to the left side pin.
b. Run other end of cable to the audio input of the receiving device. Refer to installation
instructions provided by the manufacturer of the receiving device for audio input procedure.
c. If the receiving device (fiber transceiver) has an audio input pin for ground, connect the bare
wire of recommended cable to that input.
LOUROE ELECTRONICS 6955 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458
Website: www.louroe.com Email: sales@louroe.com
page 2 of 5
(818)
AMT/R 600 1/08
CONNECTION FROM AMT/R-600 TO TRANSMISSION DEVICE (continued from page 2)
d. If receiving device does not provide an input for ground, cut the wire and connect other end
of bare wire to pin C of “MIC IN” terminal (joining bare wire coming from Louroe
speaker/microphone. See page 5 for interconnection drawing describing this procedure.
SPEAKER PORTION OF AMT/R-600:
The 2-pin terminal block of AMT/R-600 marked “TB IN” (talkback in) serves as the connection
point for transmitting talkback to the Louroe speaker/microphone.
Using the green and white speaker wires:
a. Connect green wire to pin on the right side of “TB IN”
b. Connect white wire to pin on the left side of “TB IN”
Connect the other end of these two wires to the audio output of the fiber transmitter (or wireless
video transmitter).
4. CONNECTION FROM FIBER RECEIVER (OR WIRELESS VIDEO RECEIVER) TO LOUROE
MODEL TR-2 TRANSFORMER AND TO LOUROE AUDIO BASE STATION.
MICROPHONE CONNECTION
For proper impedance match, the microphone portion must connect to the Louroe Model TR-2
Transformer (600Ω to 10KΩ) before connecting to the Louroe base station:
a. Connect the red and black wires to the appropriate pins of the “AUDIO OUT” block of fiber or
wireless video receiver. Check with the specific manufacturer’s guide. After connection, run
red wire to Model TR-2’s 600Ω side.
b. Red wire connects to pin “B”of 600W side of TR-2 Transformer.
c. Black wire connects to pin “C” 600W side of TR-2 Transformer.
d. Bare wire connects to pin C of 10KΩ side of TR-2 Transformer.
CONNECTING MICROPHONE FROM 10KΩ SIDE TO LOUROE BASE STATION:
e. Connect black wire to pin “B” of 10Ω side and run to pin “B” of Louroe Base Station terminal
block located on back panel.
f.Connect bare wire to pin “C” of 10Ω side and run to pin “C” of Louroe Base Station terminal
block located on back panel.
SPEAKER PORTION (SEE NEXT PAGE)
The two speaker wires bypass the TR-2 Transformer and connect directly to the Louroe base
station
a. Connect green and white wires to appropriate pins of the “AUDIO IN” block of fiber or video
transmitter. Check with the specific manufacturer’s installation guide. After connection, run
green and white wires to rear panel of Louroe base station, green wire goes to “SP” pin,
white wire to “G” pin.
NOTE: Terminal blocks of Louroe base station may vary regarding the mic and speaker inputs.
Refer to the specific Louroe base station installation instruction.
LOUROE ELECTRONICS 6955 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458
Website: www.louroe.com Email: sales@louroe.com
page 3 of 5
(818)
AMT/R 600 1/08
INTERCONNECTION DIAGRAM
FOR
INTEGRATING LOUROE 2-WAY AUDIO
WITH A TYPICAL FIBER OPTIC TRANSMISSION SYSTEM
MODEL TLM-W
SPEAKER/MICROPHONE
(REAR VIEW)
Terminal block identification
of speaker/microphone
A - 12 Vdc ()
B - Audio output (black)
C - Ground (mic) ()
SP - Speaker positive ()
G - Speaker negative ()
FIBER OPTIC
RECEIVER
AUDIO IN
GREEN
Speaker
POSITIVE
BARE
AUDIO OUT
1
2
600Ω
INPUT
SIDE
3
4
RED
BLACK
SHIELDED AUDIO CABLE
AUDIO
IN
BLACK
RED
N
L
CBA
red
bare
green
white
BARE WIRE NOT USED
WEST PENN 356
All Louroe Speaker/Microphones
TLM-W Speaker/Microphone
are compatible with the
AMT/R-600 Line Driver/Receiver
Model TLM-W is shown as an
example
WHITE
GREEN
15 Vdc, 1A
SUPPLY
15 Vdc
AMT/R-600
BARE WIRE (DRAIN)
CONNECTS TO
TERMINAL C OF
”MIC IN” (INPUT SIDE)
OF AMT/R-600
BARE WIRE NOT USE
Model AP-1TB
BASE STATION
(shown as an example)
G
SP
C
AUDIO (BLACK)
B
A
GROUND (BARE)
RED
(not used)
NOTE:
Speaker wires green and white
bypass the TR-2 Transformer and
connect directly from “AUDIO OUT” of
the fiber receiver to a terminal block
on the back panel of the Louroe base
station. Green wire to pin “SP”, white
wire to pin “G”.
LINE DRIVER/RECEIVER
0 dB INDIC ATOR
WHITE
GREEN
GREEN
WHITE
SHIELDED AUDIO CABLE
WEST PENN 452
2 COND. SHIELDED 22 gauge
Louroe Equipment
AMT/R-600 Driver/Receiver
TR-2 600Ω-10K Transformer
AP-1TB Audio Base Station
4 CONDUCTOR SHIELDED CABLE
WEST PENN 356 OR EQUIVALENT
LOUROE ELECTRONICS 6955 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458
PAGE 4 of 5
Website: www.louroe.com Email: sales@louroe.com
(818)
AMT/R 600 1/08
page 4 of 5
LOUROE ELECTRONICS 6955 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458
Website: www.louroe.com Email: sales@louroe.com
(818)
AMT/R 600 1/08
page 5 of 5
NOTES
LOUROE ELECTRONICS 6955 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458
Website: www.louroe.com Email: sales@louroe.com
(818)
AMT/R 600 1/08
L
OUROE
E
LECTR ONICS
MANUFACTURED
IN THE
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
deca l notice is incl uded w ith ea ch
microphone shipped.
Federal Law References:
Federal Regulations, US Code, Title 18.
Crime and Criminal Procedure, Sec 2510.
AUDIO
MONITORING
On
These Premises
OUROE
L
LECTRONICS
E
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.
LOUROE ELECTRONICS 6955 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458
WARRANTY
(818)
Website: www.louroe.com Email: sales@louroe.com
AMT/R 600 1/08
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