Louroe Electronics Verifact AGC Manual

Louroe Electronics Mikrofon Verifact AGC

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Side 1/4

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

These Premises

The Verifact AGC is an omni-directional, low

impedance, electret condenser microphone with built-in

preamp and automatic gain control. It can pick up

normal sounds approximately 25 ft. away, or within a 50

ft. diameter circle. It’s built-in limiter prevents the output

signal to be overdriven thus minimizing distortion.

Verifact AGC produces line level output (0 dB) and can

be located up to 1,000’ from the Louroe base station.

The microphone has a potentiometer to adjust the

output gain up to +10dB. It is primarily designed for

ceiling mounting but can also be installed on any type

of flat surface. The Verifact AGC is compatible with all

Louroe Audio Base Stations or Louroe Audio Interface

Adapters.

PAGE 1 OF 4

NOTE:

Verifact AGC Microphone is NOT

recommended for outdoor use or in areas with

high moisture content.

Microphone

Element

DESCRIPTION

SPECIFICATIONS

VERIFACT AGC

AUDIO MONITORING SYSTEM

INSTALLATION AND OPERATING INSTRUCTIONS

6955 VALJEAN AVE, VAN NUYS, CA 91406

PH: (818)994-6498 / FAX: (818)994-6458

/ www.louroe.comtechsupport@louroe.com

Agc_mic-inst_12/14

Microphone Sensitivity

Frequency response

Output

Current drain

-45dB

50Hz to 8kHz

10 mA

Supply voltage 12 Vdc

Microphone housing High impact, anti static ABS

Dimensions

Output gain

Weight

Shipping Weight

4” " dia x 1 ½ H

+10dB

3.5 oz

1 lb

Line Level (0 dB, 1KW at 1 Khz )

LOUROE ELECTRONICS 6 9 5 5 VA L J E A N AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458

website: www.louroe.com e-mail: sales@louroe.com

(818)

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.

MICROPHONE CONNECTION:

If using West Penn 452 or equivalent with same color code, connect:

1. Red wire (12 Vdc) connects to terminal A of microphone terminal block

2. Black wire (audio out) connects to terminal B of microphone terminal block

3. Bare wire (ground) connects to terminal C of microphone terminal block

INSTALLATION TIP: If area to be monitored for audio is noisy or has background disturbances, the

microphone should be positioned close to the subject (4’ - 8’) if possible. Also, the microphone output can be

lowered by adjusting the gain control potentiometer. Rotating clockwise will increase the gain;

counterclockwise decreases the gain. The factory setting is 0dB output.

ELECTRICAL CONNECTION:

A represents +12 Vdc Power

B represents Audio Output

C represents Ground

A 3-pin terminal block is located on the back of the microphone housing, marked A, B, C.

CONNECTING VERIFACT AGC MICROPHONE TO A LOUROE BASE STATION OR AUDIO

INTERFACE ADAPTER

CONNECTING VERIFACT AGC MICROPHONE TO OTHER AUDIO DEVICES.

If a Louroe audio base station is not used and microphone is being connected directly to another receiver from

other manufacturers, 12 Vdc power must be applied to terminals A and C. (A is positive, C is negative).

Terminals B and C of microphone (C is common) go to the “Audio In” or “Line in” of the audio source. We

recommend shielded cable connections for terminal B and C (See last page for interconnection diagram)

INSTALLATION TIPS

1. Use 2 Cond 22AWG overall shielded audio cable only. West Penn 452, Belden 8451 or equivalent.

UNSHIELDED CABLE IS NOT SATISFACTORY FOR SOUND SYSTEMS.

2. When used at a cash register checkout, microphone should be installed closer to the customer rather than the cash

area to be monitored and documented.

3. Avoid installing microphone near air vents, air conditioners, fans and other equipment that generate

high sound and air pressure.

4. If microphone is installed in a police interview room, room should be conditioned with any type of carpeting, acoustical

ceiling tiles, acoustical foam, etc. to reduce echo. This will enhance the quality of live and recorded audio.

5. The APR-1 and microphone should have a barrier or solid wall between them in order to avoid audio

feedback, especially when they are in close proximity to each other. If no barrier, microphone should be at least 25’

from APR-1 to avoid acoustical feedback.

The Verifact AGC is cylindrical, 4” dia. x 1½” H, and has four mounting holes for surface mounting to a ceiling

or other flat surface. It should be positioned so that the microphone is 4’ to 8’ from the area of desired

coverage.

All Louroe audio base stations (except the ALA-4/8 series) and Interface Adpaters have corresponding terminal

blocks marked A, B, C. Connect other end of cable as follows:

1. Red wire from microphone connects to pin A of Base Station (12Vdc)

2. Black wire from microphone connects to pin B of Base Station (Audio Output)

3. Bare wire from microphone connects to pin C of Base Station (Ground)

If base station is ALA-4/8 series, please refer to installation instructions for the specific model.

INSTALLATION AND OPERATING INSTRUCTIONS

Page 2 of 4

LOUROE ELECTRONICS 6 9 5 5 VA L J E A N AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458

website: www.louroe.com e-mail: sales@louroe.com

(818)

Agc_mic-inst_12/14

Produkt Specifikationer

Mærke:	Louroe Electronics
Kategori:	Mikrofon
Model:	Verifact AGC
Type:	Mikrofon til overvågningskamera
Produktfarve:	Grå
Forbindelsesteknologi:	Ledningsført
Diameter:	101.6 mm
Oprindelsesland:	USA
Driftsspænding:	12 V
Mikrofon frekvens:	50 - 8000 Hz
Mikrofonretningstype:	Omniretningsbestemt
Strømforbrug:	10 mA
Mikrofon sensitivitet:	-45 dB
Mikrofon vægt:	99.2 g
Maksimal driftstilstand:	9.144 m
Antal produkter inkluderet:	1 stk
Dybde (efter britisk standard):	4 "
Højde (efter britisk standard):	1.5 "
Bredde (efter britisk standard):	4 "