Louroe Electronics AP-4TB User Manual

AP-4TB

®

6955 VALJEAN AVE, VAN NUYS, CA 91406

PH: [phone] / FAX: [phone]

/ [e-mail]

INTRODUCTION

The AP-4TB is a four zone audio base station with 2-way talk/listen capabilities. It contains a built-in microphone and
speaker for two-way audio communication to the remote station. Unit has volume adjustments for both talk and listen. Zone
audio can be activated by manually pressing the zone activation switches of the unit. Provides 4 line level RCA outputs for
recording remote microphone audio to DVRs with multiple audio inputs. Selectable Audio output and input from a recorder
are provided through RCA connectors at the rear of the unit. Has built-in speaker for listening to live audio. Compatible with
all Louroe’s two-way remote speaker/microphone units

4 ZONE TWO-WAY AUDIO BASE STATION

INSTALLATION AND OPERATING INSTRUCTIONS

Contents Description

U

AP-4TB listed 4 ZoneTwo-Way Audio Base

Dual RCA Cable RCA cable for connection to a

®

Station. Used for two-way communication
to remote speaker/microphone units. Has
Audio IN/OUT for a recorder.

DVR/VCR or other Audio devices
that accept line level input
(0dB @ 600W).

LOUROE ELECTRONICS 6 9 5 5 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL [phone] FAX [phone]

®

website: www.louroe.com e-mail: [e-mail]

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INSTALLATION AND OPERATING INSTRUCTIONS

INSTALLATION AND OPERATING INSTRUCTIONS

Fig. 1

Description and function of

controls

[1] - Zone Selector Switches Selects zone for monitoring. Press switch of desired zone to listen to

[2] - Filter-OUT Indicator Lights (green) when audio filter is not in use. Indicates power is “ON”.

[3] - Filter-IN Indicator Lights (amber) when Filter Switch[5] is pressed to “ON” position.

[4] - VCR-IN Indicator Lights (yellow) when VCR Switch[6] is pressed to “ON” position.

(includes DVR’s)

[5] - Filter Switch Used only when audio playback is from a 12 or 24 hr. time lapse

(not used with DVR’s)

[13]

1 2

MADE IN USA

[1]

ZONES

[8]

MIC

PRESS

&

TALK

VOLUME TALKBACK LEVEL

OUT

IN

4

3

[2]

[3]

FILTER

VCR

IN

[4]

OFF MAX OFF MAX

FOUR ZONE AUDIO SURVEILLANCE w/ talkback

[6]

[5]

[7]

[9]

AP-4TB

POWER

PHONES

[10]

[12]

[11]

live monitored audio. Pressing more than one switch to monitor
several zones is possible, but not recommended. Audio pickup from
two or more zones will be mixed and difficult to distinguish.

recorder. Pressing Filter Switch[5] will illuminate red LED for 12/24 hour
mode. This enhances the quality of recorded audio playback. If
playback is from a DVR, filter switch is not used and should be in the
“OUT” position. If no recording device is used, then filter switch must
be in the “OUT” position. Otherwise live audio will be muted. The
green LED illuminates when filter switch is in the “OUT” position.

[6] - VCR Switch If AP-4TB is connected to a DVR, VCR etc. audio is

(includes DVR’s)

automatically recorded whether VCR switch[6] is in the “IN” or “OUT”
position. But for audio playback through the AP-4TB, VCR
button must be pressed in the IN position. If no DVR or VCR is used,
VCR switch must be in the out position.

[7] - Volume Control Knob

Rotate clockwise to increase volume of monitored audio produced
through Monitor Speaker [13]. Counterclockwise to decrease.

[8] - Talkback switch Press to talk to remote speakers. Select a zone by pressing the appropriate

Zone Selector Switch[1] to talk to desired zone. The built-in Talk back
Microphone[11] is located above the Talkback Switch [8].

[9] - Talkback Control Knob Rotate knob clockwise to increase the volume of talkback output;

counterclockwise to decrease.

[10] - Headphone Jack Used for private listening. Any 3.5mm stereo headphone with 8 to

600W impedance may be used. Speaker is muted when headphone is

used.

[11] - Talkback Microphone Built-in microphone for talkback to remote speaker.

[12] - Power Switch

Turns on power to the unit. Illuminates green when powered

[13] - Monitor Speaker Delivers audio through speaker. Muted when a headphone is plugged

into the Headphone Jack[10].

LOUROE ELECTRONICS 6 9 5 5 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL [phone] FAX [phone]

®

website: www.louroe.com e-mail: [e-mail]

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INSTALLATION AND OPERATING INSTRUCTIONS

INSTALLATION AND OPERATING INSTRUCTIONS

Fig. 2 Rear Panel of AP-4TB

[15]

[14]

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B

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9

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A

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[16]

[19]

[18]

[17]

[14] - Mic 6-Pin Terminal Block Wiring connection for remote speaker/microphone

[15] - Audio OUT Jack (RCA) Passes audio to , etc.

[16] - Audio-IN Jack (RCA) Receives audio playback from

DVR/VCR

DVR/VCR, etc.

[17] - Zone Aux. Mic Output Used for connection to a DVR with multiple audio inputs or for
(each zone) connecting to another AP-4TB(paralleling two units).

Outputs are line level

[18] - AC Power Cord Connects to a 120 Vac power outlet.

[19] - Fuse Holder

Contains ¼A slow-blow fuse

NOTE REGARDING CONNECTION TO DVR’s

Models AP-4TB is compatible with all DVR’s
that accept line level audio.

If DVR has only one audio input, connect the “Audio Out” jack[15] on
back panel of AP-4TB

to “Audio In” of DVR using an RCA

cable.

If DVR has multiple audio inputs, connect the “Mic Out” jacks
on back panel of AP-4TB

to the audio inputs of DVR using

[17]

RCA cables. Output from “mic output” is line level

If DVR contains 3.5mm audio input and output jacks instead of
RCA type, a 3.5mm adapter must be connected to one end of
RCA cable. Check with DVR manufacturer if 3.5mm plug is
stereo or mono.

LOUROE ELECTRONICS 6 9 5 5 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL [phone] FAX [phone]

®

website: www.louroe.com e-mail: [e-mail]

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WHITE

GREEN

WIRE NUT

GREEN
WHITE

INSTALLATION AND OPERATING INSTRUCTIONS

INSTALLATION AND OPERATING INSTRUCTIONS

INTERCONNECTION DIAGRAM

BETWEEN

LOUROE MODEL TLSP SPEAKER/MICROPHONE

AND

LOUROE MODEL AP-4TB AUDIO BASE STATION

Louroe Models TLI, TLM, TLO are
compatible with AP-4TB

FIG 3

RED

BLACK
BARE

A
B
C

A B C SP G P

Wire color

Red

A

Black B

Bare

C

Bare

Green

G

White

P

EXAMPLE CABLE:

WEST PENN 356

2 CONDUCTOR SHIELDED #20 AWG
2 CONDUCTOR UNSHIELDED #18 AWG
1 DRAIN WIRE (BARE) #22 AWG

REAR OF AP

ZONES

A B C1SPG P A B C2SPG PA B C1SPG P A B C3SPG P A B C4SPG P

1A 2A 3A 4A

Terminal Block Identifier of

AP-4TB/AP-8TB

- 12Vdc power to microphone

- Audio Output

- Ground (microphone)

SP

- Speaker positive

- Speaker negative

- used only when paralleling 2
or more AP-4TB or AP-8TB

-4TB

AUDIO OUT

AUDIO IN

REAR OF DVR/VCR

AUDIO

ININ

OUTOUT

RCA CABLES

Audio OUT of AP-4TB to Audio IN of
DVR/VCR for recording

Audio OUT of DVR/VCR to Audio IN of
AP-4TB for audio playback

LOUROE ELECTRONICS 6 9 5 5 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL [phone] FAX [phone]

®

(818)

website: www.louroe.com e-mail: [e-mail]

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INSTALLATION AND OPERATING INSTRUCTIONS

WIRING CONNECTIONS

1) Connect one end of cable to remote speaker/microphone, (TLSP, etc.) as shown in Fig. 3. Use 4
conductor shielded audio cable West Penn 356 or equivalent. Connect wires with overall shield to
terminals “A”, “B”, and “C” of microphone’s terminal block. When using West Penn 356, connect red
wire to terminal “A”; black wire to terminal “B” and bare wire to terminal”C”.

2) Connect the two speaker wires (white and green) to the 2 wires connected to 70V Transfomer.
Connect cable’s white wire to white wire connected to the 70 volt transformer, using a wire nut.
Connect cable’s green wire to green wire of transformer with a wire nut.

3) Connect the other end of the cable to AP-4TB Mic 6-Pin Terminal Block[14] for the zone which the
remote microphone is assigned. Make sure that wire connected to terminal “A” of remote
microphone connects to terminal “A” of unit’s Mic 6-Pin Terminal Block[14]; wire connected to
terminal “B’ of microphone connects to terminal “B” of unit’; “C” to “C”. If using wire from other
manufacturers, color code may vary.

4) Connect white speaker wire to Mic 6-Pin Terminal Block[14] terminal “G”. Connect green wire to
terminal marked “SP”.

5) Repeat steps 1 thru 3 for zones 2, 3, 4 etc.

6) When a recorder is used (DVR, VCR etc.), connect Audio-OUT Jack[15] to DVR’s Audio-IN Jack
with an RCA cable (not supplied).

7) Connect Audio-IN Jack[16] to DVR’s Audio-Out Jack.

OPERATION AND TEST

1) For power, connect AC power cord[18] to a standard 110/120V electrical outlet or power strip.

2) Turn on power by pressing Power Switch[12]. LED will illuminate GREEN and Filter-Out Indicator

will illuminate GREEN.

3) Rotate Volume Control Knob[7] clockwise to increase volume. Counterclockwise to decrease.

4) Press Zone Selector Switches[1] marked zone 1. Audio from zone 1 should be present at the
Monitor Speaker[13].

5) Press Talkback Switch[8] and speak into the Talkback Microphone[11]. Rotate Talkback Volume
Control[9] clockwise to increase the level of talkback audio. Another person is needed at the
remote location to listen to the volume and clarity of talkback audio.

6) Repeat steps 3 and 4 for the other zones.

7) When a 24 hour VCR is connected to the unit, press VCR Switch[6]. VCR-IN Indicator[4] will light
yellow. Start recording live audio. It is not necessary to use VCR switch if recording into a DVR.
The VCR Switch[6] must be in the “OUT” position when a recorder is not connected to the unit.
Otherwise live audio will be muted.

8) Recorded audio can be played back through the AP-4TB’s built-in amplifier and speaker. If audio
playback is from a 24 hour time lapse recorder, press Filter Switch[5] to 12/24 hour mode. Filter-In
indicator[3] will illuminate red. If playback is from a DVR, filter switch is not used and should be in
the “OUT” position. If no recording device is used, then filter switch must be in the “OUT” position.
Otherwise live audio will be muted. The green LED will illuminate when filter switch is in the “OUT”
position.

9) System is now ready for standard operation.

LOUROE ELECTRONICS 6 9 5 5 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL [phone] FAX [phone]

®

website: www.louroe.com e-mail: [e-mail]

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INSTALLATION AND OPERATING INSTRUCTIONS

NOTES

SPECIFICATIONS

Input sensitivity
(talk back microphone)

Monitor power output
Talkback power output

Audio output impedance

Audio input impedance 10k

Audio frequency response (flat) 100 Hz to 10kHz
Audio frequency

response (enhanced)

Headphone impedance 8 to 600

Power input 120 Vac, 60Hz
Fuse ¼ A slow-blow

Dimensions
Weight 8 lbs 6 oz

Shipping Weight

-45dB

1W @ 8

1.5W into 70V line

W

600

-20 dB @ 200 Hz to
+8dB @3 kHz

W

10¼"L "W x 12½ x 2 ½”H

10 lbs

LOUROE ELECTRONICS 6 9 5 5 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL [phone] FAX [phone]

®

website: www.louroe.com e-mail: [e-mail]

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INSTALLATION AND OPERATING INSTRUCTIONS

INTERCONNECTION DIAGRAM

BETWEEN

MODEL AOP-SP SPEAKERPHONE

AND

MODEL WSP-AP-4TB 600 AUDIO BASE STATION

MIC

SPKR

PC Board
of AOP Series
Speakerphones

A

C

SP

B

RED (A)
BLACK (B)
BARE (C)

NOTE

THIS CONNECTION IS NOT APPLICABLE
TO REMOTE SPEAKER/MICROPHONE
SUCH AS TLM-W, ETC WITH 70V AUDIO
LINE TALKBACK. THE AP-4TB 600 IS
MODIFIED WITH TALKBACK OUTPUT OF
600 OHM.

WHITE (SP)

REAR OF AP-4TB

A

C

SP

B

A

C

SP

B

ZONES

LOUROE ELECTRONICS 6 9 5 5 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL [phone] FAX [phone]

®

website: www.louroe.com e-mail: [e-mail]

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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 included with each
microphone shipped.

Federal Law References:
Federal Regulations, US Code, Title 18.
Crime and Criminal Procedure, Sec 2510.

AUDIO

MONITORING

On

These Premises

®

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 6 9 5 5 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL [phone] FAX [phone]

®

®

®

®

WARRANTY

®

®

®

(818)

website: www.louroe.com e-mail: [e-mail]

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