EarthQuake DB-10 Operator's Manual Page 14
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Five (5) Years Limited Warranty
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 by a non-authorized party, a ninety (90) days
warranty period applies.
(A) Five (5) years limited warranty plan coverage guidelines:
- First year: Earthquake pays for labor, parts, and ground freight (only in US mainland, not including Alaska and
Hawaii) back to customer.
- Second year: Earthquake pays for labor and parts only, customer must pay freight both ways.
- Third, fourth & fifth year: Earthquake pays labor only. Customer must pay for parts and freight both ways.
(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 back to customer.
(C) Earthquake agrees to repair or replace - at our option - all such defective products/parts subject to the following
provisions:
- Defective products/parts have not been altered or repaired by other than an Earthquake factory approved
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 written instructions.
(D) Warranty Limitations:
Earthquake warranty does not cover products that have been modified or abused. Including but not limited to the
following:
- Damages to speaker cabinet and cabinet finish due to misuse, abuse, or use of improper use of cleaning
materials/methods.
- Bent speaker frame, broken speaker connectors, holes in speaker cone, surround & dust cap, burnt speaker voice
coil.
- Fading, deterioration of speaker components & finish due to improper exposure to elements.
- Bent amplifier casing, damaged finish on the casing due to abuse, misuse, or improper use of cleaning material.
- Burnt tracers on PCB.
- Product/part damaged due to poor packaging or abusive shipping conditions.
- Subsequent damage to other products.
A warranty claim will not be valid if the warranty registration card is not properly filled & returned to Earthquake with a copy
of the sales invoice.
(E) Service Request:
To receive product/s service, contact Earthquake service department at (510) 732-1000 and request an RMA
number (Return Material Authorization), 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, thus
eliminating the need to ship the product.
(F) Shipping Instructions:
Product/s must be packaged in its original protective boxes 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 Cone
Avenue, Hayward, CA 94545. Ph (510) 732-1000. You are responsible for the cost of shipping the product to Earthquake
Sound Corporation.
(G) Disputes Resolution:
All disputes - between clients and Earthquake Sound Corporation - resulting from the five (5) years limited
warranty policy must be resolved according to the laws & regulations of the county of Alameda -California.
Low Pass Filter Settings
0.0
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+1.0
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10 20 30 40 50 60 70 80 90 100 200Hz
Level in dB.
VOLUME
50Hz 150Hz
CROSSOVER
FREQUENCY
24dB/Oct
Crossover knob in 12 O'clock position - 78Hz @ -3dB.
VOLUME
50Hz 150Hz
CROSSOVER
FREQUENCY
24dB/Oct
Crossover knob in 1 O'clock position - 85Hz @ -3dB.
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
-7.0
-8.0
-9.0
+1.0
+2.0
+3.0
+4.0
+5.0
+6.0
+7.0
+8.0
+9.0
10 20 30 40 50 60 70 80 90 100 200Hz
Level in dB.
VOLUME
50Hz 150Hz
CROSSOVER
FREQUENCY
24dB/Oct
Crossover knob in 2 O'clock position - 90Hz @ -3dB.
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
-7.0
-8.0
-9.0
+1.0
+2.0
+3.0
+4.0
+5.0
+6.0
+7.0
+8.0
+9.0
10 20 30 40 50 60 70 80 90 100 200Hz
Level in dB.
VOLUME
50Hz 150Hz
CROSSOVER
FREQUENCY
24dB/Oct
Crossover knob in 3 O'clock position - 100Hz @ -3dB.
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
-7.0
-8.0
-9.0
+1.0
+2.0
+3.0
+4.0
+5.0
+6.0
+7.0
+8.0
+9.0
10 20 30 40 50 60 70 80 90 100 200Hz
Level in dB.
VOLUME
50Hz 150Hz
CROSSOVER
FREQUENCY
24dB/Oct
Crossover knob in Max position - 150Hz @ -3dB.
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
-7.0
-8.0
-9.0
+1.0
+2.0
+3.0
+4.0
+5.0
+6.0
+7.0
+8.0
+9.0
10 20 30 40 50 60 70 80 90 100 200Hz
Level in dB.
VOLUME
50Hz 150Hz
CROSSOVER
FREQUENCY
24dB/Oct
Crossover knob in MIN position - 50Hz @ -3dB.
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
-7.0
-8.0
-9.0
+1.0
+2.0
+3.0
+4.0
+5.0
+6.0
+7.0
+8.0
+9.0
10 20 30 40 50 60 70 80 90 100 200Hz
Level in dB.
VOLUME
50Hz 150Hz
CROSSOVER
FREQUENCY
24dB/Oct
Crossover knob in 9 O'clock position - 58Hz @ -3dB.
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
-7.0
-8.0
-9.0
+1.0
+2.0
+3.0
+4.0
+5.0
+6.0
+7.0
+8.0
+9.0
10 20 30 40 50 60 70 80 90 100 200Hz
Level in dB.
VOLUME
50Hz 150Hz
CROSSOVER
FREQUENCY
24dB/Oct
Crossover knob in 10 O'clock position - 65Hz @ -3dB.
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
-7.0
-8.0
-9.0
+1.0
+2.0
+3.0
+4.0
+5.0
+6.0
+7.0
+8.0
+9.0
10 20 30 40 50 60 70 80 90 100 200Hz
Level in dB.
VOLUME
50Hz 150Hz
CROSSOVER
FREQUENCY
24dB/Oct
Crossover knob in 11 O'clock position - 72Hz @ -3dB.
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
-7.0
-8.0
-9.0
+1.0
+2.0
+3.0
+4.0
+5.0
+6.0
+7.0
+8.0
+9.0
10 20 30 40 50 60 70 80 90 100 200Hz
Level in dB.
The SuperNova MKV frequency response is limited by the
built-in filter (with an upper end of 150 Hz); for most
applications, the crossover should not be set above 80Hz. It is
equipped with a fourth-order Linkwitz-Riley (24dB per octave)
filter which will block vocals from interfering with its
performance.
When fine tuning the SuperNova MKV, set the crossover to
150Hz as a starting point, you will hear vocals coming out of the
sub; gradually reduce the crossover point until vocals are
eliminated.
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