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Velodyne Acoustics, Inc.

345 Digital Drive

Morgan Hill, CA  95037

408.465.2800 voice

408.779.9227 fax

Web: www.velodyne.com

Service E-mail: [email protected]

Product E-mail: [email protected]

Technical E-mail: [email protected]

HGS-15 THX Ultra 2

and

HGS-18 THX Ultra 2

Owner's Manual

High Gain Servo-Controlled

Audio/Video Subwoofer System

Printed on recycled paper.

"If you know subwoofers, you know about Velodyne."

-Corey Greenberg
Home Theater Technology/February 1995
Face Off: Comparison of five subwoofers

"In general, the Velodyne  could play slightly louder, and often cleaner, than
the Sunfire."

-D.B. Keele, Jr.
Audio/ June 1998

"How do they get this kind of bass out of such a tiny box? Deep, tight, tuneful
and loud enough to rattle pictures on the wall--this is serious subwoofing."

-Robert Deutsch
Stereophile Guide to Home Theater/September 1998

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10-02, #63-620
Rev. B

Summary of Contents for HGS-15 THX ULTRA 2 - REV B

Page 1: ...oofer System Printed on recycled paper If you know subwoofers you know about Velodyne Corey Greenberg Home Theater Technology February 1995 Face Off Comparison of five subwoofers In general the Velody...

Page 2: ...situated on a bed sofa rug or similar surface that may block theventilationopenings orplacedinabuilt ininstallationsuchasabookcaseorcabinetthatmayimpede the flow of air through the ventilation opening...

Page 3: ...nicht in einem Regal oder Schrank unterbringen worin die Luftzufuhr behindert wird 9 W rme Subwoofer nicht in der N he von W rmequellen wie Heizk rpern W rmespeichern fen oder anderen w rmeerzeugende...

Page 4: ...upports recommand s par le fabricant 7 Assemblage mural ou au plafond Se conformer uniquement aux instructions du fabricant pour fixer l enceinte sur un mur ou sur un plafond 8 Ventilation Il est impo...

Page 5: ...elerometercontinuouslymonitors conemotions providinguswithafeedbacksignalfortheservocontrolcircuitry Thishigh gainsystemisdesignedtoimprovelinearityandreducedistortionapproximately30times over convent...

Page 6: ...thin two magnetic gaps suspended by dual spiders for even greater linearity We designed this motor to produce over one inch 1 1 8 to be exact of linear motion with a maximum mechanical limit of 2 Also...

Page 7: ...fined as any form of distortion that moves energy from one portion of the audio frequency spectrum to another When a single tone is applied to a nonlinear system the result is harmonic distortion In w...

Page 8: ...g the switch in the on position 9 responseandoutputlevelcanbe drastically influencedbyplacement dependingonthe acousticpropertiesofthelisteningroom Typically theoptimumlocationforasubwoofer istuckedaw...

Page 9: ...esuggestsettingtheautoturnonswitchtotheon position Thisdeactivates the sensing circuitry allowing the remote to have total control of unit power NOTE Two AAA batteries are required included for operat...

Page 10: ...AMPLIFIER MAIN OUTPUTS RIGHT LEFT TOSATELLITESPEAKERS PRE AMP MAIN OUTPUTS MAIN INPUTS LEFT RIGHT RIGHT LEFT Figure 2 Installation using speaker level from amplifier inputs INTEGRATED AMP RECEIVER SA...

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