Earthquake Sound PA-600 User Manual
Nova
Power From The Heavens
POWER
PA-600
Professional Amplifier
Operation Manual
& Technical Guide
PROT ECT
PEAK
2 C H A N N E L S / 6 0 0 W A T T S P R O F E S S I O N A L B R I D G E A B L E A M P L I F I E R
LINE LEVEL INPUT
CH 2 CH 1
CH 1
CH 2
M A N U F A C T U R E D B Y E A R T H Q U A K E S O U N D C O R P O R A T I O N.
SIGN AL
CH
1
LEVEL
MIN MAX
MONO
SPEAKER OUTPUT
CH 2 CH 1
+ CH 2 -
120W/8 Ohm
200W/4 Ohm
BRIDGED (MO NO)
400W/8 Oh m
+ CH 1 -
120W/8 Oh m
200W/4 Oh m
SIGN AL
CH
2
LEVEL
MIN MAX
VOLTAGE SELECT
115V
FUSE
T3.15A~230V/50Hz
T6.3A~115V/60Hz
230V
230VAC,5 0Hz
115VAC ,60 Hz
750W
PEAK
PROT ECT
Earthquake Sound Corporation. 2727 Mc Cone Avenue, Hayward, CA 94545. www.earthquakesound.com.
DEAR VALUED CUSTOMER.
Earthquake Sound Corporation specializes in manufacturing high end Home and Car
audio products ranging from the smallest driver to the loudest subwoofer system. In its
dedication to excellence, Earthquake has maintained extensive programs in research and
development to provide you with the highest quality audio products.
The PA-600 is a ruggedly constructed high quality professional amplifier. The amplifier
mounts into a standard 19" rack, requiring only two rack spaces (3-1/2 inches, vertically).
Two automatic variable-speed internal cooling fans use the sides, rear and the front of the
amplifier - not the top and bottom - for its air intake and exhaust, allowing you to stack
multiple amplifier closer together in a rack mount situation. Additional rack support holes
have been provided along the rear of the amplifier for the most secure installation
possible. (Use of these additional supports is strongly recommended.)
The PA-600 produce up to 300 watts of power per channel @ 2 ohms, 200 watts per
channel @ 4 ohms stereo mode or 110 watts per channel @ 8 ohms (stereo mode); 560 watts
@ 4 ohms, 380 watts @ 8 ohms (bridged mono mode). Several "professional" features, such
as 1/4" and XLR input jacks with electronically balanced Low or Medium impedance
operation have been built into the amplifier. Limiting circuitry with LED indicators
constantly monitors the output level of each channel and provides protection from clipping,
thus preventing the generation of speaker-damaging square waves. A built-in protection
circuit protects the amplifier from overloads, short circuits, and overheating. In addition,
each channel features a Signal LED to assist in hookup and troubleshooting and a Fault
LED which indicates when the internal protection circuitry is activated.
This owners manual is designed to better acquaint you with the PA-600 proamplifier. It is imperative that you read this manual in its entirety. EARTHQUAKE
technicians and staff are looking forward to answer any questions you might have, please
call (1-800-576-7944).
SOUND LEVEL
DBA
90
92
95
97
100
102
105
110
115
Specifications & features are subject to change without notice. www.earthquakesound.com
DURATION
IN HOURS
8
6
4
3
2
1 - 1 1/2
1
1/2
1/4 or less
THE CHART (ON THE SIDE) SHOWS THE U.S. GOVERNMENTS
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA)
REGULATIONS WHICH WERE IN EFFECT AT THE TIME OF THIS
PUBLICATION FOR PERMISSIBLE NOISE EXPOSURE,
PER 29CFR1910.95, TABLE G-16.
-3-
CAUTION: the PA-600 is capable of generating high sound
pressure levels. You should exercise caution when operating this
amplifier system. Long term exposures to high levels of sound
pressure will cause permanent damage to your hearing. Sound
pressure levels exceeding 85dB can be dangerous with constant
exposure. Set your audio system to a comfortable loudness level.
Earthquake Sound Corporation does not assume liability for
damages resulting from the direct use of the PA-600 , and urges
users to play the PA-600 in moderate levels.
PA-600 AMPLIFIER FRONT & REAR PANELS FUNCTIONS/CONNECTION.
5 64
POWE R
PROT ECT
PEAK
2 C H A N N E L S / 6 0 0 W A T T S P R O F E S S I O N A L B R I D G E A B L E A M P L I F I E R
SIGN AL
CH
1
LEVE L
MIN MAX
MONO
2
7 10 14
9
14
6 5
SIGN AL
CH
2
LEVE L
MIN MAX
31
158
PEAK
PROT ECT
7
11 1112 12 13 13 16 1718
1. POWER SWITCH: 4. POWER INDICATOR LED:
This switch turns the amplifier on in the up position ("I" pressed in ) and off in the down This Led illuminates when AC power is applied by means of the Power Switch (#1)
position. When AC power is applied to the amplifier, the power indicator led (#4)
illuminates.
2. LEVEL CONTROL (CH-1) & MONO:
This rotary potentiometer controls the sensitivity or gain of (CH-1). Set them to the level prevent transient "spikes" from being reproduced through your speakers. A protect condition
needed for the desired output. When amplifier is set in the bridge mono mode, only this level is also indicated if the unit gets too hot, or if DC voltages are present at the output. During
control (CH-1) is active in this mode. thermal protection, both channels are shut down. In the event of DC voltage on the output,
3. LEVEL CONTROL CH2:
This rotary potentiometer controls the sensitivity or gain of CH2. Set them to the level
needed for the desired output. When amplifier is set in the bridge mono mode, this level
control is not active.
Specifications & features are subject to change without notice. www.earthquakesound.com
5. PROTECT INDICATOR LED'S:
These LED's illuminate whenever the internal protection relay for the channel is activated.
The protection relay is activated for a short period upon initial turn-on and at turn-off to
only the affected channel will be disconnected. The circuitry associated with the LED
indicators provides valuable protection for both the amplifier and your speakers.
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