MODEL
IQ600
Sound That Will Move You.
Digital Feedback Class “J” Subwoofer Amplifier
600WRMS
U S E R M A N U A L
Earthquake Sound Corporation | 2727 McCone Avenue, Hayward CA 94545
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IQ Suboowfer Power Amplifier
Unpacking and Warnings
ITEMIZED LIST OF INCLUDEDACCESSORIES:
1. One(1)ACPower Cable
2. One(1)OwnersManual
3. One(1)Registration Card
4. One(1)Remote Control
4. Rack Mounting Bracketsand Screws
When you have safely removed the amplifier from the packaging and placed it in a safe area, perform a thorough physical inspection and report any damage to the dealer
that you purchased the unit from. We suggest that you keep the original packaging, and that it should be stored in a safe, dry place in case you’re required to transport the
unit.Thecustomized packaging isspecially designed toprotecttheamplifier frompotential damage thatcan arise when shipping such aproduct.
To reduce the risk of fire or electric shock, do not expose this product to rain or moisture. Don not attempt to “lift the ground” by removing
WARNING!
the ground pin from the AC cable. Make sure that your household electrical wiring supports proper AC grounding techniques before
plugging in this product. Keep the heat sinks and top cover free of dust to allow for proper heat dissipation. Never expose this product to
extremetemperature. Always connect theaudio signal pathcable prior toconnecting theACmains.
No user-serviceable parts inside. Do not attempt to remove cover or repair this product, as severe electrical shock may result and it may
disrupt your warranty.
CAUTION!
Make sure that your localAC voltage complies with the unit’s label. Damage caused by plugging this amplifier into anAC receptacle of the
wrong voltage will notbe covered bywarranty.
IMPORTANT!
Specifications Are Subject To Change Without Notice
3
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IQ Suboowfer Power Amplifier
Subwoofer Placement Guide
GOOD / This illustration shows a single subwoofer setup
The blue arrow represents the subharmonic
frequencies as they move always toward the sub in
the single sub system The red arrow represents the
lows+ mids+ highs as they follow the action Note
the breakaway and the image separation. Best
response if the blue and the red are identical
Why having two gains on a mono subwoofer is
agoodthing?
Often you hear the term “subwoofers are non-directional”;
this is not true subwoofer placement is harder to pick when to
low frequencies are crossed . The wider the room, the more
directional the subwoofer. The easiest solution is to use two
subwoofers in the front: one on the left and a second on the
right. The signal to both is mono. In some applications, users
might have small front speakers or planer speakers. Both
speakers have an early roll off in the sub-harmonics. The
planer needs help from 150Hz on down, having two front
subwoofers placed on the left and the right is a health
solution tothisproblem.
BETTER / This illustration shows dual subwoofer with mono signal
TwoSubs
The blue arrow represents the sub-harmonic
frequencies as they move always toward the
middle in a mono-two-subs- system The red arrow
represent the lows+ the mids+ highs as they follow
the action, Note the breakaway and the image
separation
While having two subwoofers is better than one, the MONO
signal that drives these subwoofer keeps them from
projecting the three dimensional images in the sub-
harmonics. The use of two subwoofers allows you to cross
the sub up to 150 Hz sound quality, imaging and staging. The
two-front-subwoofer-system is an excellent solution to planer
speaker’s low frequency response early roll off. When
locating these subwoofers in a close proximity to the stereo
satellite, the subs will enhance low frequency extention. It
will be better to have a stereo subwoofer to help in the lower
bassnotesand their placement.
BEST / This illustration shows dual subwoofers with stereo+mono signals
If a bass Guitar player was standing on the left side of the
stage, and he played an EE note (42Hz) then the right sub will
also respond to that and create havoc on the stage. In fact if
you only have one single sub in the room and it’s placed on
the right side of the room, while the bass guitar player is
playing his music on the left side of the stage. As soon as he
hits the EE note the sub speaks out on the right and
completely destroys the stage. To give you three-
dimensional front-end bass that allows you to have a low
frequency dynamic stage, Earthquake designed dual input
circuits that use buffers to maintain your stereo separation on
the processor side while mixing stereo front signals to
produce 3D bass.
In this illustration the stereo subwoofers keep the
sub-harmonics dynamically synchronized in
motion with the rest of the audio systems. Fully
complementary sub-harmonics to the mids and the
highs
Specifications Are Subject To Change Without Notice
4
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IQ Suboowfer Power Amplifier
Front and Back Panel Overview
25Hz, 12dB/Oct
0°-180° Phase Shift
Switchable
Subsonic Filter
0-20 MS.Phase Delay
CROSSOVER
SUBSONIC
PHASE DELAY
PHASE SHIFT
20, 30 and 40Hz
Room Equalization
With 12dB range
and Boost
24dB/Oct
Lowpass
With Bypass
Individual Channel
Gain Controls
ON
BY PASS
ON
OFF
20Hz
0
20ms
0°
180°
Channel Status LEDs
-40Hz
ON
200Hz
-6dB
+6dB
GAIN 2
GAIN 1
30Hz
40Hz
2
1
AUTO
OFF
Required LFE Inputs
Use One Only
Auto Sensing
-6dB
-6dB
+6dB
+6dB
RCA
XLR
RCA
XLR
IR INPUT
RCA Inputs
Remote Sensor Input
EQUALIZER
ON
XLR Inputs
110-120VAC
SPK
SPK
Removable
AC Power
Supply Cord
220-240VAC
Speaker Level Input
OFF
POWER
110-120V ~ /60Hz
220-240 ~ /50Hz
600W
POWEED SUBWOOFER
CAUTION VORSICHT
BEFORE OPENING
PULL MAIN PLUG
VOR DEM ÖFFNEN
NETZSTECKER ZIEHEN
Fuse box
Specifications Are Subject To Change Without Notice
5
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IQ Suboowfer Power Amplifier
Dual Subwoofer Stereo Connection
Split L/R RCA's To Amplifiers
LEFT/RIGHT Channels.
INPUT
LEFT
RIGHT
The back side of a typical processor or receiver
MAIN AUDIO OUTPUTS
LEFT
LEFT SUR
CENTER
RIGHT
RIGHT SUR
SUB
CROSSOVER
SUBSONIC
PHASE DELAY
PHASE SHIFT
CROSSOVER
SUBSONIC
PHASE DELAY
PHASE SHIFT
ON
BY PASS
ON
OFF
20Hz
ON
BY PASS
ON
OFF
20Hz
0
20ms
0°
180°
0
20ms
0°
180°
-40Hz
ON
200Hz
-6dB
+6dB
-40Hz
ON
200Hz
-6dB
+6dB
2
GAIN 1
GAIN 2
GAIN 1
30Hz
40Hz
30Hz
40Hz
2
1
2
1
AUTO
OFF
AUTO
OFF
-6dB
-6dB
+6dB
+6dB
-6dB
-6dB
+6dB
+6dB
RCA
XLR
RCA
XLR
XLR
RCA
XLR
IR INPUT
IR INPUT
EQUALIZER
ON
EQUALIZER
ON
110-120VAC
110-120VAC
SPK
SPK
SPK
SPK
220-240VAC
220-240VAC
OFF
OFF
POWER
POWER
110-120V ~ /60Hz
220-240 ~ /50Hz
600W
110-120V ~ /60Hz
220-240 ~ /50Hz
600W
POWERED SUBWOOFER
CAUTION VORSICHT
BEFORE OPENING
PULL MAIN PLUG
POWERED SUBWOOFER
CAUTION VORSICHT
BEFORE OPENING
PULL MAIN PLUG
VOR DEM ÖFFNEN
NETZSTECKER ZIEHEN
VOR DEM ÖFFNEN
NETZSTECKER ZIEHEN
The same wiring configuration can be
duplicated for the XLR inputs. NOTE: We
provide three different input types, but
do not recommend mixing input types.
Specifications Are Subject To Change Without Notice
6
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IQ Suboowfer Power Amplifier
Single Subwoofer Mono Connection
The back side of a typical processor or receiver
MAIN AUDIO OUTPUTS
LEFT
LEFT SUR
CENTER
RIGHT
RIGHT SUR
SUB
CROSSOVER
SUBSONIC
PHASE DELAY
PHASE SHIFT
ON
BY PASS
ON
OFF
20Hz
0
20ms
0°
180°
-40Hz
ON
200Hz
-6dB
+6dB
GAIN 2
GAIN 1
30Hz
40Hz
2
1
AUTO
OFF
-6dB
-6dB
+6dB
+6dB
RCA
XLR
RCA
XLR
IR INPUT
EQUALIZER
ON
Usually one RCA has enough signal to
drive the IQ amplifier to its full output.
However, in some cases where signal is
too low for the IQ amp to produce its full
output, you may use a "Y" connector to
increase the amp's sensitivity.
110-120VAC
SPK
SPK
220-240VAC
OFF
POWER
110-120V ~ /60Hz
220-240 ~ /50Hz
600W
POWERED SUBWOOFER
CAUTION VORSICHT
BEFORE OPENING
PULL MAIN PLUG
VOR DEM ÖFFNEN
NETZSTECKER ZIEHEN
Specifications Are Subject To Change Without Notice
7
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IQ Suboowfer Power Amplifier
Room Correction
Specifications Are Subject To Change Without Notice
8
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IQ Suboowfer Power Amplifier
Amplifier Specifications
POWER OUTPUT
1 x 700 watts RMS @ 4 ohms Mono (1% distortion)
1 x 700 watts RMS @ 2 ohms Mono (1% distortion)
1 x 350 watts RMS @ 8 ohms Mono (1% distortion)
20Hz-2kHz
FREQUENCY RESPONSE
TOTAL HARMONIC DISTORTION
<0.08%, (1W/4ohm)
SLEW RATE
50 volts / microsecond
> 106dB (balanced) 105dB (unbalanced) @ rated power
2 ohms or greater
SIGNAL TO NOISE RATIO
LOAD IMPEDANCE
DAMPING FACTOR
CONTROLS
> 500
Power • Room equalization • Room equalization IN/OUT • Subsonic
filter • Phase shift • Lowpass, Bypass • Channel and power status
LEDs • Dual gains internally mixed • Music sensing ON/OFF • DC
turn ON/OFF
INPUT CONNECTIONS
OUTPUT CONNECTIONS
MODE SWITCHES
XLR / RCA • High-level
Binding posts • Locking mechanism
Phase switch 0¡ / 180¡ - Variable time delay 0 to 20 millisecond
PROTECTION CIRCUITRY
Short circuit, open circuit, RF burnout, over temp, turn on/off transient
protection, DC protection, limiter circuitry
POWER REQUIREMENTS
IQ-600R=10A
110-120VAC~/60Hz
SIZE AND WEIGHT
H=1.7" x W=19" x D=14.5"
44mm x 483mm x 367mm
18.04lbs. • 8.2Kg
Specifications Are Subject To Change Without Notice
9
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IQ Suboowfer Power Amplifier
Consumer Warranty & Guidelines
Earthquake warrants the original purchaser that all Factory Sealed
New Audio Products be free from defects in material and workmanship, under
normal and proper use, for a period of five (5) years from the date of purchase
(as shown on the original bill of sale with serial number affixed/written on it). The
five (5) years warranty period is valid only if the product is properly installed by
an Earthquake authorized party, and the warranty registration card is properly
filled out and sent to Earthquake Sound Corporation. If the product is installed
byanon-authorized party, aninety (90) dayswarranty period applies.
-
-
-
Bent speaker frame, broken speaker connectors, holes in speaker
cone, surround &dustcap, burntspeaker voice coil.
Fading, deterioration of speaker components & finish due to improper
exposure toelements.
Bent amplifier casing, damaged finish on the casing due to abuse,
misuse, orimproper use ofcleaning material.
Burnttracerson PCB.
-
-
Product/part damaged due to poor packaging or abusive shipping
conditions.
(A)Five(5)yearslimited warranty plan coverage guidelines:
-
Subsequent damage tootherproducts.
Awarranty claim will not be valid if the warranty registration card is not properly
filled &returned toEarthquake with acopy ofthesales invoice.
-
-
-
First year: Earthquake pays for labor, parts, and ground freight (only in
USmainland, notincludingAlaska and Hawaii) backtocustomer.
Second year: Earthquake pays for labor and parts only, customer must
pay freightbothways.
Third, fourth & fifth year: Earthquake pays labor only. Customer must
pay forpartsand freightbothways.
(E)Service Request:
To receive product/s service, contact Earthquake service department
at (510) 732-1000 and request an RMAnumber (Return MaterialAuthorization),
items shipped without a valid RMA number will be refused. Make sure you
provide us with your complete/correct shipping address, a valid phone number,
and a brief description of the problem you are experiencing with the product. In
most cases, our technicians might be able to resolve the problem over the
phone, thuseliminating theneed toship theproduct.
(B)Warning:
Products (sent for repair) that are tested by Earthquake technicians
and deemed to have no problem, will not be covered by the five (5) years limited
warranty. Customer will be charged a minimum of one (1) hour of labor (ongoing
rates)plus shipping charges backtocustomer.
(F)Shipping Instructions:
(C) Earthquake agrees to repair or replace - at our option - all such defective
products/partssubject tothefollowing provisions:
Product/s must be packaged in its original protective box/s to minimize
transport damage. Shipper claims regarding items damaged in transit must be
presented to carrier. Earthquake Sound Corporation reserves the right to refuse
product improperly packed. Original bill of sale must accompany product
returned for service. We encourage you to include with the package a written
description of the problem. Ship product to: Earthquake Sound Corp. 2727 Mc
ConeAvenue, Hayward, CA94545. Ph (510) 732-1000. You are responsible for
thecostofshipping theproduct toEarthquake Sound Corporation.
-
Defective products/parts have not been altered or repaired by other
thanan Earthquake factoryapproved technician.
-
Products/parts are not subjected to negligence, misuse, improper use,
or accident, damaged by improper line voltage, used with incompatible
products, or have its serial number or any part of it altered, defaced or
removed, or have been used in any way that is contrary to Earthquake's
writteninstructions.
(G)Disputes Resolution:
(D) WarrantyLimitations:
All disputes - between clients and Earthquake Sound Corporation -
resulting from the five (5) years limited warranty policy must be resolved
according tothelaws ®ulations ofthecountyofAlameda -California.
Earthquake warranty does not cover products that have been modified or
abused. Including butnotlimited tothefollowing:
-
Damages to speaker cabinet and cabinet finish due to misuse, abuse,
use ofimproper use ofcleaning materials/methods.
Specifications Are Subject To Change Without Notice
10
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The IQ600 is capable of generating high sound
pressure levels. You should exercise caution when
operating this amplifier system. Long term
SOUND LEVEL
DBA
DURATION
IN HOURS
CAUTION:
90
92
8
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.
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 IQ600 , and urges users to
play theIQ600 atmoderate listening levels.
6
95
4
3
97
2
100
102
105
110
115
1 - 1 1/2
1
1/2
1/4 or less
Specifications Are Subject To Change Without Notice
11
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Sound That Will Move You.
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