Show PSA Series, PSA-3600, PSA-3900, PSA-31500 User Manual

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www.show-pa.com

User's Manual

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SEIKAKU TECHNICAL GROUP LIMITED

No.1, Lane 17, Sec. 2, Han Shi West Road, Taichung, 401 TAIWAN

Tel:[phone] Fax:[phone]

http://www.show-pa.com e-mail: [e-mail]

All rights reserved to SEIKAKU. All features and content might be changed

without prior notice. Any photocopy, translation, or reproduction of part of this

manual without written permission is forbidden. Copyright 2008 SEIKAKU Group

PROFESSIONAL STEREO AMPLIFIER

PSA Series

Professional Stereo Amplifiers

PSA-3600

PSA-3900

PSA-31500

IMPORTANT!

Please read this manual carefully before operating

this unit for the first time.

All rights reserved to SHOW. All features and content might be changed
without prior notice. Any photocopy, translation, or reproduction of part of
this manual without written permission is forbidden.

-10-

ELECTRICAL SPECIFICATIONS

INPUT SENSITIVITY

INPUT IMPEDANCE

FREQUENCY RESPONSE
(@10dB below rated output
power)

VOLTAGEGAIN

DISTORTION(SMPTE-1M)

S/N Ratio

Full short circuit, open circuit, thermal, ultrasonic, and RF protection
stable into reactive or mismatched loads, turn ON/OFF, muting, tried
crowbar

GENERAL SPECIFICATIONS

PROTECTIONS

1.15 V (+3.4 dBu)

10 K Unbalanced 20 K Balanced

25 Hz~25 KHz +0/-1 dB

-3 dB points: 5 Hz~50 KHz

28 dB

<0.03%

100 dB

32dB 34 dB

4 Ohms (RMS)

4 Ohms (EIAJ)

2 Ohms (EIAJ)

8 Ohms (RMS)

8 Ohms (RMS)

POWER SPECIFICATIONS

750 W 2x

350 W x 2

230 W x 2

710 W

1500 W

PSA-3600

Stereo Mode
(Both channels driven)

20Hz~20KHz

Bridge Mono Mode
20Hz~20kHz

CONTROLS

INDICATORS

CONNECTORS

POWER SUPPLY

DIMENSIONS

WEIGHT

Front: AC switch, Input level control for each channel
Rear: stereo/ parallel/ bridged selector, 30Hz filter selector clip
ON/OFF selector.

INPUT : Active balanced XLR and 1/4"(6.3 mm)TRS
OUTPUT: "Touch-proof" binding posts and speak-on jacks.

Available for 110-120 V or 220~240 VAC, 50/60 Hz

483(W) 460(D) 88.8(H)mm

14.5 kg 17.3 kg 20.7 kg

SIGNAL: 2 green LED CLIP: 2 red LED
POWER: 1 Green LED

1000 W

510 W

285 W

1000 W

2200 W

PSA-3900

1800 W

900 W

560 W

1800 W

3100 W

PSA-31500

9. TECHNICAL SPECIFICATIONS

INPUT

LINK

E.R

30Hz-9dB

LA

DIF

PWR

AMP

OUTPUT

CH-A

CH-A

1.15V

RMS

+4dB

15Kohm

BALANCED

SUB WOOFER

(OPTION)

+/-

MODE

INPUT

LINK

E.B

LA

DIF

PWR

AMP

OUTPUT

CH-B

CH-B

AUTORAMP

TURN-ON CIRCUIT SHOCK

DC OFFSET

DC SERVO

OVER TEMP

SHORT

CIRCUIT

CURRENT LIMITER

TURN-ON/TURN-OFF

TRANSIENTS

BRIDGED

PARALLEL

MONO

ACTIVE

CLIP

CH-A

CH-B

AMP

SIG

CH-A

CH-B

OPTION

BINDING POST

TERMINALS

AC PWR

DETECTOR

POWER TRANS

CH-A

CH-B

PROT&PRE

PWR

INDR

2-SPEED

FANS

IN-RUSH

CURRENT

POWER

SWITCH

CIRCUIT

BREAKER

AC POWER

120V/220V/230V

/240V50/60Hz

(OPTION)

:XLR

CONNECTOR

:1/4" PHONE JACK

:SPEAKON

CONNECTOR

NOTICE

30Hz-9dB

8. BLOCK DIAGRAM

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SAFETY RELATED SYMBOLS

The symbol is used to indicate that
some hazardous live terminals are
involved within this apparatus, even
under the normal operating conditions.

The symbol is used in the service
documentation to indicate that specific
component shall be only replaced by
the component specified in that
Documentation for safety reasons.

Protective grounding terminal.

Alternating current /voltage.

ON: Denotes the apparatus turns on.

OFF: Denotes the apparatus turns off,
because of using the single pole switch,
be sure to unplug the AC power to prevent
any electric shock before you proceed your
service.

WARNING: Describes precautions that
should be observed to prevent the danger
of injury or death to the user.

CAUTION: Describes precautions that
should be observed to prevent danger of the
apparatus.

WARNING

Power Supply

Ensure the source voltage matches the
voltage of the power supply before turning
ON the apparatus.

Unplug this apparatus during
lightning storms or when unused for
long periods of time.

External Connection

The external wiring connected to the
output hazardous live terminals requires
installation by an instructed person, or
the use of ready made leads or cords.

Do not Remove any Cover

There are maybe some areas with
high voltages inside, to reduce the risk
of electric shock, do not remove any
cover if the power supply is connected.

The cover should be removed by the
qualified personnel only.

No user serviceable parts inside.

Fuse

To prevent a fire, make sure to use fuses
with specified standard(current,voltage,
type). Do not use a different fuse or short
circuit the fuse holder.

Before replacing the fuse, turn OFF
the apparatus and disconnected the
power source.

Protective Grounding

Never cut off the int ernal or e xternal pr o­tective grounding wire or disconnect the
wiring of protective grounding terminal.

Hazardous live terminal .

Disposing of this product should
not be placed in municipal waste
and should be separate collection.

Before turning the product ON, make sure
that it is connected to Ground. This is to
prevent the risk of electric shock. Never
cut internal or external Ground wires.
Likewise, never remove Ground wiring
from the Protective Ground Terminal.

The apparatus shall be connected to a
mains socket outlet with a protective
earthing connection.