Linear Power PA-1 Operation & Installation Manual

Pre-amplifier/equalizer

Download this manual

F O R

INTRODUCTION

The PA-1

is designed for the audiophile who needs to select between two

sources - either low level or high level sources. It provides clean, undistorted pre-

amplification and precise control of the three frequency bands that are the most

critical in the car environment. It also conveniently mounts in a half DIN opening

in the dash or under the dash. The PA-1

RMS signal to the amplifier, which greatly improves the signal to noise ratio and

line loss in the system. In a well designed audio system the signal gain should be

built up at the source

1. Volume and on/off switch

2. Source selector, Source 1 is the out position, Source 2 is the in position.

3. Bass Eq Control, +/- 15db

4. Mid Eq control, +/- 12db

5. Treble Eq control, +/- 12db

6. Source 1 low level inputs

7. Gain adjustments, L and R set weaker source to 3/4 volume and turn up both

adjustments until system starts to clip then back adjustments off slightly. Stronger

source can be controlled by turning volume up until system clips with these

settings, then back off slightly. Then use PA-1

Volume Control.

T H E

MODEL PA-1

(1992-MSRP $110.00)

PRE-AMPLIFIER/EQUALIZER

OPERATION

INSTALLATION MANUAL

PA-1

INSTRUCTIONS AND CONTROLS

LINEAR POWER™ is a trademark of Linear Power, Inc.

can drive the signal line with a 5 volt

volume control as Master

™

Page 1 It also conveniently mounts in a half DIN opening in the dash or under the dash. The PA-1 can drive the signal line with a 5 volt ©...
Page 2 11. Red Wire- Should be connected to remote turn on lead from either source or switched wire with ignition, or to constant 12 Volt source (battery). Note: If you use a constant 12V power source you must remember to turn off PA-1 when ©...
Page 3 Re-check polarity of main power wires. NOISE PROBLEMS: Be sure the metal sleeve on the RCA (phono) jack does not touch the metal chassis of the vehicle, the chassis of the PA-1 , or the ©...