Show PSA Series - Introduction; Features; Preparation Before Staring; Installation and Connection

2. FEATURES
Clip-limiter circuit that is user-adjustable
Switchable low-frequency filter at 30Hz
Operating mode are stereo, parallel or bridge
Balanced XLR and 1/4" TRS input connectors
Output connectors are speakon jacks and binding post terminals
Low-noise, variable speed fan
Front panel LED indicating signal and clipping and protection status
Manufactured under QS9000, VDA6.1 certified management system
3. PREPARATION BEFORE STARTING
Check the AC voltage used in your country. Proper grounding prevents user from
electric shock
Before switching on the power, make sure gains are turned to minimum to prevent
damaging other equipments
Check your cables regularly and label each end clearly for easy identification
Always turn off the power before connecting or disconnecting the unit
NEVER use solvents to clean the unit. Clean it with a soft and damp or dry cloth
1. INTRODUCTION
Thank you for purchasing one of our PSA Series Professional Stereo Amplifiers. The
PSA Series includes PSA-3600, PSA-3900, PSA-31500. All models are rugged, 2
rack-unit professional stereo amplifiers fan-cooled. Despite their compact dimensions
they provide a lot of power and a high value performance. They are all designed for
heavy-duty application and they all can drive 2 ohm loads for long periods without
overheating. Therefore they are suited to drive subwoofers with a minimum load of
-1-
The PSA Professional Stereo Amplifiers provide three operating modes: stereo mode,
parallel (mono) mode and bridged mode, you can decide each specific operating mode
according to your actual application circumstance.
Operate PSA Professional Stereo Amplifiers in Stereo Mode
In this mode, channel A and channel B operate independently (as a conventional
stereo amplifier). The channel 1 input signal will be output from the channel A output
connectors, and the channel B input signal will be output from the channel B output
connectors.
Input wiring tips
BALANCED UNBALANCED
1
2
3
GND
INPUT
FROM
SOURCE
1
2
3
INPUT
FROM
SOURCE
SHIELD
+ +
SHIELD SHIELD
+
channel A
+
PARALLEL
(MONO)
STEREO
BRIDGED
channel B
channel A
channel B
7. INSTALLATION AND CONNECTION
-6-
12
3
BRIDGED INPUT
CH-B
LINE
BALANCED
INPUT
LINE
CH-A
CLIP LIMT
OFF ON
BRIDGED
STEREO
PARALLEL
(MONO)
OFF ON
LF 30HZ
FILTER
1.15V/20K
INPUT
CONNECTION
(+)
- ()
(GND)
SRT
T(+)
S(GND)
R( )
-
CH-A CH-B
BRIDGED
MONO
CHANNELA CHANNEL B
BREAKER
SERIAL
MODEL
CHA
1+
1+
1+
1
+
2
BRIDGED
CHB
1
2
1
3
PUSH
2
1
3
PUSH
4 ohms when working in Bridge Mode.