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LIMITED ONE YEAR WARRANTY 

VANDERSTEEN AUDIO loudspeakers are warranted to the original purchaser be free from defects in materials or 

workmanship, SUBJECT TO THE FOLLOWING CONDITIONS, for one (1) year from the date of purchase from an 
authorized VANDERSTEEN AUDIO dealer. 

 

THIS WARRANTY IS SUBJECT TO THE FOLLOWING CONDITIONS AND LIMITATIONS: 

 

This warranty is void and inapplicable if the loudspeaker has: 

a.  not been used in accordance with the instructions contained in the operation manual. 

b.  been subject to misuse or abuse, examples of which would be burned voice coils and/or burned crossover parts. 
c.  been modified, repaired, or tampered with by anyone not specifically authorized to do so by Vandersteen Audio. 
d.  been subject to inputs in excess of the maximum rating, or inputs from an unstable or clipped amplifier. 
e.  been damaged by accident, neglect, or transportation. 

 

IF A VANDERSTEEN AUDIO LOUDSPEAKER FAILS TO MEET THE ABOVE WARRANTY AND THE ABOVE CONDITIONS 
HAVE BEEN MET, THEN THE PURCHASER'S SOLE REMEDY SHALL BE TO RETURN THE PRODUCT TO VANDERSTEEN 
AUDIO WHERE THE DEFECT WILL BE REPAIRED WITHOUT CHARGE FOR PARTS OR LABOR. 

 

The speaker must be packed in the original packing and returned to VANDERSTEEN AUDIO via insured freight by the 
consumer at his or her own expense. A returned product must be accompanied by a Return Authorization Form (available 
from VANDERSTEEN AUDIO upon request) which includes a written description  of the defect and return shipping 
information. 

 

ANY IMPLIED WARRANTIES RELATING TO THE ABOVE PRODUCT SHALL BE LIMITED TO THE DURATION OF THE 

ABOVE WARRANTY. THIS WARRANTY DOES NOT EXTEND TO ANY INCIDENTAL OR CONSEQUENTIAL COSTS OR 
DAMAGES TO THE PURCHASER. 
Some states do not allow limitations on how long an implied warranty lasts or an exclusion of incidental or consequential 
damages, so the above limitations or exclusions may not apply. This warranty gives you specific legal rights; you may 
also have other rights in your state. 

 

VANDERSTEEN  AUDIO  reserves  the  right  to  modify  the  design  of  any  product  without  any  obligation  to  previous 
purchasers and/or to change the prices or specifications without notice or obligation to anyone. 

 

 

SUB THREE Operation Manual Copyright 2021 Vandersteen Audio, Inc. 

A PERSONAL  NOTE 

 

Many audio/video systems, as well as home, portable and auto stereo 

 

 

 

Richard Vandersteen 

Summary of Contents for SUB THREE

Page 1: ...main amplifier s input specifications the main speakers efficiency and the listening room requirements The innovative Q control then allows you to tailor the bass response s character to best suit yo...

Page 2: ...characteristics and to best suit your sonic tastes The Q control is from 1 to10 Position 1 provides the tightest bass and best transient response while position 10 emulates a typical home theater sub...

Page 3: ...used may vary Single Ended M5 HP Crossovers RCA input and output with eight position switch Set the Single Ended M5 HP to match the input impedance of the main amplifier Balanced M5 HPB Crossovers XLR...

Page 4: ...B THREE s inputs is connected out of phase from the other input in a mono subwoofer system the inputs will cancel With stereo subwoofers connecting one subwoofer out of phase from the other will serio...

Page 5: ...Improving the electronicsorspeakerscan benefitfromadding two more subwoofers for surround channels 4 Subwoofers Left front right front left surround and right surround When the SUB THREE S are used wi...

Page 6: ...all three tracks Adjust the preamp volume up or down until these tracks average 70dB Example track nine 69dB track ten 72dB and track eleven 68dB This is your reference volume do not adjust until thi...

Page 7: ...he level and Q controls may be necessary When you determine the best crossover selection between the preamplifier and power amplifier setting for your system you are all done SERVICE In the unlikely e...

Page 8: ...e of the SUB THREE is compromised when it is connected to the main speakersratherthandirectlytothemainamplifier Can the M5 HP crossovers be plugged into either the Inputs of the main power amplifier o...

Page 9: ...HERE THE DEFECT WILL BE REPAIRED WITHOUT CHARGE FOR PARTS OR LABOR The speaker must be packed in the original packing and returned to VANDERSTEEN AUDIO via insured freight by the consumer at his orher...

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