User's Manual
PS 2/2A
R
Version 1.1 Septemper 2005
English
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1. PS 2 PASSIVE SPEAKER CABINET QUICK START
Power Amplifier
2
2. PS 2A ACTIVE SPEAKER CABINET QUICK START
Signal Cable
Power Cord
Power Cord
Left
Main Mix
Output
Right
Main Mix
Output
Tripod
Mount
Tripod
Mount
Mixer
3
3. SUSPENSION POINT
The PS 2/2A speaker cabinet also provides the suspension
points for fixed installation. How to use them?
Eyebolt
First, open the dust covers, and the next, mount the flying
rings to the suspension points (M10 1.5PH LENGTH: 30mm).
For further details, please refer to the right illustration.
Dust Cover
Suspension Point
4. TECHNICAL SPECIFICATIONS
Descriptions
Descriptions
PS 2
PS 2A
Powered System type
LOW Output Power
HIGH Output Power
Max SPL at 1m
Bi-Amp. with analog processor
System type
2 - way vented box
120 Watt AES Standard
240 Watt Peak
Continuos Power
Peak Power Rating
Sensitivity at 1W, 1mt
Max SPL at 1mt
Frequency Response
Impedance
150W RMS Bridge Class AB
50W RMS Class AB
118dB SPL
96dB SPL
Frequency Response
Impedance Low - High
Crossover Frequency
Protection Low - High
Low - Frequency
117dB SPL
55Hz / 20kHz +/- 10dB
Low 8Ohm - High 8Ohm
60Hz / 20kHz +/- 10dB
8 ohm Nominal
Complex EQ processor
Limiter / Compressor plus PTC
Crossover Frequency
Lower - Frequency
High - Frequency
2450Hz 12dB/Oct
10" / 266mm - 1.5" Voice Coil
1" Compression Driver -
1" Voice Coil
10" / 266mm - 1.5" voice coil
High - Frequency
1"Compression Driver -
1" Voice Coil
Horn Coverage H
Input Sensitivity
Input Impedance
V
High Frequency Protection Electronic Dynamic Protection
90 H 45 V
595mm 320mm 334.5mm
Dimensions H W D
Line + 4dB / 1.23V
(23.4" 12.6" 13.2")
30kohms Balanced -
15kohms Unbalanced
Net Weight kg/lbs
Gross Weight lbs/kg
Shipping Volume
9.27kg / 20.44lbs
12.45kg / 27.45lbs
3.68CFT
Input with Jack / Link with XLR
Trapezoidal & Monitor shape
Seven suspension points
Connectors
Plastic Reinforced Cabinet
Hardware Suspension
Amplifier Protections
The AES 2 - 1984 Standard specification by Audio Engineering
Society, is representative and commonly used for the measure
in Professional Sound Reinforcement.
Soft Start - Short Circuit -
DC voltage - Thermal Protection
External Control
Power Supply
Volume - Clip - Ground Switch
230Volt / 115Volt 50 /60Hz
It is defined as the square of the RMS voltage generated with a
pre-defined and band-passed Pink Noise Signal, applied con-
tinuously for 2 hours, on the assembled speaker cabinet.
Dimensions H W D
595mm 320mm 334.5mm
(23.4" 12.6" 13.2")
In this way, the declared power of ALTO passive speaker cabinet,
is comparable to the RMS voltage value, measured on the equiva-
lent power amplifier for the same value of impedance.
11.60kg / 25.57lbs
14.78kg / 32.58lbs
3.68CFT
Net Weight kg/lbs
Gross Weight lbs/kg
Shipping Volume
4
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SEIKAKU TECHNICAL GROUP LIMITED
No. 1, Lane 17, Sec. 2, Han Shi West Road, Taichung 40151, Taiwan
All rights reserved to ALTO. All features and content might be changed
without prior notice. Any photocopy, translation, or reproduction of part of this
c
manual without written permission is forbidden. Copyright
2005 SEIKAKU GROUP
NF01929-1.1
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