background image

Line-level connection

––––––––––––––––––––––––––––––––––––––––––––––––––––––––––——
Figure 1 shows connection to a pre-amplifier's main outputs and returning them to your
amplifier inputs.

When installed in this fashion, your satellite speakers will be crossed over at 80/100Hz
which removes the lower bass from your amplifier and speakers, enabling them to do a
better  job  reproducing  high  frequencies.  By  utilizing  this  method,  you  will  have  a  bi-
amplified system, gaining improved power and headroom for your system.

THX Ultra 2 Operation:

On  the  back  panel  of  the  subwoofer  select  the  THX  Subwoofer  volume  level  and  the
Subsonic, X-Over, and High-Pass Crossover THX settings.

6

7

Subwoofer outputs

The Velodyne subwoofer is designed to operate using the full range audio signal for input
when using the built-in crossover. Some processors/receivers, have a "subwoofer out" jack
that is internally filtered and designed to be used with a conventional amplifier and speaker.
In some rare cases, combining both an external crossover and the one internal to the
subwoofer may result in low output and increased noise. In these installations you may
need to bypass the internal crossover in either the processor or Velodyne subwoofer. In
some installations, simply setting one crossover to a higher frequency (such as 120 Hz) will
restore maximum performance. To bypass the subwoofer's internal crossover when the
unit is being fed a low pass signal from another crossover, simply locate the switch marked

X-over, OUT - IN

 on the rear panel of the subwoofer and set to the 

OUT

 position. This

will eliminate the internal crossover from the signal path. 

 Note: If not using an external

crossover, you should use the built-in crossover for optimal performance.

Figure 1: Installation using line-level inputs

AMPLIFIER

MAIN OUTPUTS

RIGHT       LEFT

TO SATELLITE SPEAKERS

PRE-AMP

MAIN OUTPUTS

MAIN  INPUTS

LEFT

RIGHT

RIGHT

LEFT

Figure 2: Installation using speaker-level (from amplifier) inputs

INTEGRATED AMP / RECEIVER

SATELLITE SPEAKERS

MAIN OUTPUTS

(speaker-level)

BALANCED

INPUT (LEFT)

COVERED UNDER ONE OR MORE OF THE
FOLLOWING U.S. PATENTS # 4,727,584 &

# 4,573,189; OTHER PATENTS PENDING.

117 V 

~

60 Hz

10A

POWER

EXTERNAL

REMOTE

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION

RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR

AVIS:

ULTRA-EFFICIENT  CLASS D AMP

380 oz. MOTOR STRUCTURE

VIDEO SHIELDED

PATENTED HIGH GAIN SERVO

1250 WATTS RMS/3000PEAK

TANDEM 3” PUSH-PULL MOTORS

HIGH-GAIN

SERVO


RIGHT

SPEAKER LEVEL

OUTPUT

INPUT

LEFT

SPEAKER LEVEL

OUTPUT

INPUT

INPUT

OUTPUT

LINE LEVEL

LOW-PASS

CROSSOVER

80 Hz

120 Hz

40 Hz

BALANCED

INPUT(RIGHT)

PHASE

POWER

X-OVER

SUBSONIC

Serial # Label

VELODYNE ACOUSTICS, INC.

WARNING: TO REDUCE THE RISK OF

FIRE OR ELECTRIC SHOCK DO NOT EXPOSE

THIS APPLIANCE TO RAIN OR MOISTURE

SUBWOOFER

VOLUME

MIN

MAX

15Hz - 35Hz

OUT - IN

AUTO - ON

°

 - 180 

°

100 Hz

HIGH-PASS

CROSSOVER

80 Hz

BALANCED

INPUT (LEFT)

COVERED UNDER ONE OR MORE OF THE
FOLLOWING U.S. PATENTS # 4,727,584 &

# 4,573,189; OTHER PATENTS PENDING.

117 V 

~

60 Hz

10A

POWER

EXTERNAL

REMOTE

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION

RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR

AVIS:

ULTRA-EFFICIENT  CLASS D AMP

380 oz. MOTOR STRUCTURE

VIDEO SHIELDED

PATENTED HIGH GAIN SERVO

1250 WATTS RMS/3000PEAK

TANDEM 3” PUSH-PULL MOTORS

HIGH-GAIN

SERVO


RIGHT

SPEAKER LEVEL

OUTPUT

INPUT

LEFT

SPEAKER LEVEL

OUTPUT

INPUT

INPUT

OUTPUT

LINE LEVEL

LOW-PASS

CROSSOVER

80 Hz

120 Hz

40 Hz

BALANCED

INPUT(RIGHT)

PHASE

POWER

X-OVER

SUBSONIC

Serial # Label

VELODYNE ACOUSTICS, INC.

WARNING: TO REDUCE THE RISK OF

FIRE OR ELECTRIC SHOCK DO NOT EXPOSE

THIS APPLIANCE TO RAIN OR MOISTURE

SUBWOOFER

VOLUME

MIN

MAX

15Hz - 35Hz

OUT - IN

AUTO - ON

°

 - 180 

°

100 Hz

HIGH-PASS

CROSSOVER

80 Hz

Содержание HGS-15 THX, HGS-18 THX

Страница 1: ...woofer 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 pic...

Страница 2: ... situated on a bed sofa rug or similar surface that may block theventilationopenings orplacedinabuilt ininstallationsuchasabookcaseorcabinetthatmayimpede the flow of air through the ventilation openings 9 Heat The subwoofer should be situated away from heat sources such as radiators heat registers stoves or other subwoofers that produce heat 10 Power Sources The subwoofer should be connected to a ...

Страница 3: ...icht in einem Regal oder Schrank unterbringen worin die Luftzufuhr behindert wird 9 Wärme Subwoofer nicht in der Nähe von Wärmequellen wie Heizkörpern Wärmespeichern Öfen oder anderen wärmeerzeugenden Subwoofern aufstellen 10 Netzanschluß Subwoofer nur an eine der in der Bedienungsanleitung beschriebenen oder auf dem Subwoofer angegebenen Stromquellen anschließen 11 Netzkabelschutz Netzkabel so ve...

Страница 4: ...mmandés 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 important de placer l enceinte de telle sorte qu elle ne gêne pas sa propre ventilation Par exemple ne pas placer l enceinte sur un lit un canapé sur la moquette ou sur toute surface similaire qui bloque les ouvertur...

Страница 5: ...celerometercontinuouslymonitors conemotions providinguswithafeedbacksignalfortheservocontrolcircuitry Thishigh gainsystemisdesignedtoimprovelinearityandreducedistortionapproximately30times over conventional non servo systems While the input signal is being sent to the amplifier which powers the driver a continuous signal representing cone motion is being sent to a comparator circuit This circuit c...

Страница 6: ...ithin 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 with this unique configuration the distortion products are reduced by a factor of two over conventional single coil structures with dramatically improved cone control This driver alone would result ...

Страница 7: ...efined 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 which some of the energy leaves the system at multiples of the original frequency Whenmultipletonesareapplied intermodulationtonesareproduced usually as simple combinations of the input frequencies Ge...

Страница 8: ...ng the switch in the on position 9 responseandoutputlevelcanbe drastically influencedbyplacement dependingonthe acousticpropertiesofthelisteningroom Typically theoptimumlocationforasubwoofer istuckedawayinacornerofyourlisteningroom Thislocationwillusuallyofferthegreatest output levels and optimum low frequency extension The worst location for a subwoofer it typically far away from any walls and cl...

Страница 9: ...wesuggestsettingtheautoturnonswitchtotheon position Thisdeactivates the sensing circuitry allowing the remote to have total control of unit power NOTE Two AAA batteries are required included for operation If the remote control operatingrangedeteriorates pleasecheckbatteriesfordeterioration Donotleaveremote placed on heat generating items such as amplifiers 5 8 Speaker level connection Figure 2 sho...

Страница 10: ...s 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 SATELLITE SPEAKERS MAIN OUTPUTS speaker level BALANCED INPUT LEFT COVERED UNDER ONE OR MORE OF THE FOLLOWING U S PATENTS 4 727 584 4 573 189 OTHER PATENTS PENDING 117 V 60 Hz 10A POWER EXTERNAL REMOTE ...

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