Data Sheet
The Louroe Portable Test Amplifier (PTA-1) is a battery operated audio amplifier kit used to 
conduct field quality checks of microphone connections during installation or for 
maintenance checks.
KIT CONTENTS
Test Amplifier with 3” speaker
Three 6’ lead wires with color coded alligator clips
TEST PROCEDURE FOR MICROPHONES
All Louroe Microphones have a terminal block or terminal strip marked A, B, C.
A is 12 Vdc (B+)
B is audio
C is ground (B-)
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Pta 1 (pdf)n 8/05
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.
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
L
OUROE
LECTRONICS
On 
These Premises
E
L
OUROE
LECTRONICS
6955 VALJEAN AVE, VAN NUYS, CA 91406
PH: (818)994-6498 / FAX: (818)994-6458
sales@louroe.com / www.louroe.com
MODEL PTA-1
PORTABLE TEST AMP
TECHNICAL DATA SHEET
AND
INSTALLATION AND OPERATING INSTRUCTIONS


