PV700_900-120 Manual
Contents
1. Pro Logic systems the easiest method is to use the same speaker wire connections as shown on page 5 You may also use the sub out connection from your receiver to the input on the subwoofer marked use crossover control When using speaker wire or the use crossover control input the subwoofer s built in crossover is engaged As a starting point set the crossover control on the subwoofer about 10Hz higher than the lower limit of your main speakers bass response for Boston Acoustics front speakers refer to the included Optimal Crossover Settings sheet Fine tune the crossover setting by ear for the smoothest blend with your main speakers The best setting of the crossover control will depend on speaker placement and personal preference BostonPV700 PowerVent Powered Subwoofer Featuring BassTrac use crossover control removes high frequencies use with sources lacking suitable filtering most products without Dolby Digital or DTS or where manual control is desired CAUTION Disconnect supply cord before replacing fuse For continued protection against risk of fire replace only with same type fuse G Cc US 120V 60Hz 2 5A T2 5A L 250V Controls power off Main power switch Completely turns all power to the amplifier either on or off and over rides the power mode switch This switch must be turned on before setting the power mode switch see next page bypass crossover control dire2. When set to this position the subwoofer s auto on without any audio signal circuitry turns the amplifier on when an audio signal is presented auto D o present and green when set turning the power indicator light green and turns it off in naa approximately 15 minutes if no signal is detected turning the power indicator It will not light up at all until power indicator red On When set to this position the subwoofer s auto on circuitry is bypassed and the amplifier will remain on whether auto Co an audio signal is present or not the power indicator light stays green the Main Power switch is set to the on position Placement Place the subwoofer next to a wall or in a corner near your main speakers Typically the sound is best when the subwoofer is within 15 feet 4 5m of the main speakers However the sharp 24dB octave crossover roll off permits placement farther from the main speakers if necessary Since the ear is unable to localize the low freguencies of the subwoofer the bass still appears to come from the main speakers In most cases the subwoofer may be placed anywhere in the listening room The level of bass output from the subwoofer will vary at different positions in a room When placed near walls its loudness is emphasized Corner placement provides the most bass output while placement near only one wall will provide some what less bass Placement completely away from walls may produce too
3. little bass Regardless of how you place the sub woofer you can adjust the subwoofer s level with its volume control If you move the subwoofer recheck the setting of the polarity switch Use the setting that yields the louder and more dynamic sound IMPORTANT Do not place the subwoofer where there is a chance of contact between the rear panel and drapes or furniture Avoid obstructing air flow to the back Position subwoofer in corner for maximum bass output T If Speaker Wire Connections Cause the Subwoofer to Hum Certain receivers use speaker grounding circuits that may be incompatible with external powered audio products such as powered subwoofers When speaker wire is used instead of line level cables this incompatibility can result in an audible hum when the receiver is turned off or switched to a different speaker channel If this should happen with your Boston Acoustics subwoofer you will need to make a ground cable and connect it to either RCA line input on the subwoofer and any unused RCA line input or output on your receiver see diagram The proper ground cable for this application should consist of two male RCA plugs that have their negative outside terminals or sleeve connected to each other by any length of single conductor copper cable The inside positive or pin terminals single conductor RCA to RCA ground cable should not be wired in either plug use either RCA ja
4. sales slip when requesting service Excluded from this warranty is damage that results from abuse misuse improper installation accidents shipping or repairs modifications by anyone other than an authorized Boston Acoustics service representative This warranty is limited to the Boston Acoustics product and does not cover damage to any associated equipment This warranty does not cover the cost of removal or reinstallation This warranty is void if the serial number has been removed or defaced This warranty gives you specific legal rights and you may also have other rights which vary from state to state 300 Jubilee Drive DCD is a trademark and BassTrac Boston and Boston Acoustics are Boston Peabody MA 01960 U S A registered trademarks of Boston Acoustics Inc Dolby and Dolby Pro Logic 978 5 n are registered trademarks of Dolby Laboratories Licensing Corporation Boston Acoustics ie Ree eee 8 2003 Boston Acoustics Inc All rights reserved N i Specifications subject to change without notice 042 001685 0
5. B octave low pass LFE Input Yes Yes Crossover Bypass Yes Yes Bass Unit 12 305mm DCD down firing 12 305mm DCD down firing Enclosure Type Rear ported Rear ported Dimensions HxWxD with feet and rear connectors 155 8 x 141 2 x 171 2 397 x 369 x 445mm 141 4 x 131 2 x 163 4 362 x 343 x 426mm Weight 32 Ibs 14 4kg 28 Ibs 12 6kg Finish Black ash vinyl veneer Black ash vinyl veneer In keeping with our policy of continual product improvements specifications are subject to change without notice Please visit our web page www bostonacoustics com for the latest specifications on these two products Description Boston s PV700 and PV900 subwoofers deliver the dynamic bass foundation that is essential for lifelike reproduction of movie soundtracks and music in the home These attractive powered subwoofers will complement any stereo or home theater surround sound system with their impressive bass output and compact size Both subwoofers utilize our rugged DCD Deep Channel Design bass unit designed in Boston s state of the art engineering facility in Peabody Massachusetts Every one is tested as it comes off the line to be within 1dB of the lab reference unit an incredibly tight tolerance The amplifiers have built in variable crossovers that allow them to easily achieve a seamless blend with the main speakers while a 24dB octave low pass fi
6. Boston V900 PV700 Powered Subwoofers Boston Boston Acoustics Important Safety Instructions l This symbol found on the apparatus indicates hazards arising from dangerous voltages N This symbol found on the apparatus indicates the user should read all safety state ments found in the user manual E This symbol found on the apparatus indicates double insulation i WARNING To reduce the risk of fire or electric shock do not expose this product to rain or moisture Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Onl
7. ck AUDIO voeo If you do not wish to make your own grounding cable please contact the OO Ore 00 0 Oka Boston Acoustics Customer Service O an a D N edinactly elev and Oa 00 60 Ol E00 O use any epar men irec y see below an we amp AE OOo 0505000 vasoja will promptly ship one to you of suitable SO OO RCA jack length at no charge BACK OF SUBWOOFER J BACK OF RECEIVER If Service Seems Necessary First contact the dealer from whom you purchased the PV700 or PV900 If that is not possible write to Customer Service Boston Acoustics Inc 300 Jubilee Drive Or visit our web site at Or email us at Peabody MA 01960 U S A www bostonacoustics com custserv bostona com We will promptly advise you of what action to take If it is necessary to return your unit to the factory please ship it prepaid After it has been repaired we will return it freight prepaid in the U S and Canada Limited Warranty For one year from the date of purchase Boston Acoustics will repair for the original owner any defect in materials or workmanship that occurs in normal use of the subwoofer without charge for parts and labor Your responsibilities are to use the system according to the instructions supplied to provide safe and secure transportation to an authorized Boston Acoustics service representative and to present proof of purchase in the form of your
8. ct to woofer use with sources having built in crossover controls or bass management most products with Dolby Digital or DTS ATTENTION Debrancher avant de remplacer le fusible Utiliser un fusible de rechange de m me type CAUTION A E AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR speaker level in O e O T right amp Volume on front panel Adjusts the sound level of the subwoofer A typical setting is around 11 00 o clock as shown power mode auto G Dn power indicator o polarity 0 oD 180 80 crossover Hz crossover control line level in bypass crossover control crossover Hz Crossover Hz Adjusts the frequency of the low pass filter for the This control is inactive when using the bypass crossover control input jack subwoofer BACK OF RECEIVER SUBWOOFER OUT polarity 1 gt 180 Polarity 0 or 180 Selects regular 0 or inverted 180 polarity for the subwoofer Set this switch to provide the fullest dynamic bass The effect of phase will be most audible on low freguency percussion most instruments or music with a continuously repeating bass line Controls con t Power indicator This two color power status light will be red when the Power Mode Switch is set to auto Power mode switch NOTE The Main Power Switch needs to be in the on position before this switch is active Auto
9. e wire Insert the wire in the to the black connection The other hole as shown on left or a 3 8 inch spade lug over the post and tighten For side has a rib or stripe Connect this banana plugs remove the red and black caps from the end holes and insert to the red connection either dual or single banana plugs as shown on right Using This Manual PV700 versus PV900 NOTE The rear amplifier panels of the PV700 and the PV900 are virtually the same Although the instructional images on the following pages depict the PV700 rear panel the PV900 connects functions and operates in exactly the same manner E Connecting the Subwoofer to Digital Home Theater Systems Digital 5 1 6 1 and 7 1 home theater electronics dedicate one channel the 1 to reproduce the special low frequency LFE information such as explosions and thunder contained in digitally encoded soundtracks Select subwoofer yes from your receiver s set up menu Hooked up this way the receiver s amplifier is relieved of having to reproduce the difficult low bass signals that can drive the receiver into audible distortion Use an RCA cable not included as shown to connect your digital receiver s subwoofer output to the subwoofer Connect the other end to the PV700 or PV900 jack labeled bypass crossover control underneath line level in BostonPV700 PowerVent Powered Subwoofer Featuring BassTrac A use crossover control r
10. emoves high bypass crossover control direct to woofer power mode frequencies use with sources lacking suitable use with sources having built in crossover filtering most products without Dolby Digital controls or bass management most products atito Ceo or DTS or where manual control is desired with Dolby Digital or DTS CAUTION Disconnect supply cord ATTENTION Debrancher avant de power indicator before replacing fuse For continued remplacer le fusible Utiliser un fusible de protection against risk of fire replace only rechange de m me type with same type fuse polarity 0 oD 180 120 80 S BACK OF RECEIVER CAUTION SB c US HOC ELECTRIQUE NE PAS OUVRIR 120V 60Hz 2 5A r speaker level in O et O O tight line level in H VN m s tan v oO 0 6 0 o O CIO SUBWOOFER OUT T2 5A L250V If you do not wish to run RCA cables to your subwoofer you may use speaker wire to connect the subwoofer in parallel with your main speakers see diagram below The subwoofer does not present any additional load to your receiver Select subwoofer no from your receiver s set up menu This sends the LFE signal to the main left and right speakers and thus to the subwoofer Consult your receiver s owner s manual for more details When using the speaker wire hookup the subwoofer s built in crossover is engaged As a starting point set the crossover control on the subwoo
11. fer about 10Hz higher than the lower limit of your main speakers bass response for Boston Acoustics front speakers refer to the included Optimal Crossover Settings sheet Fine tune the crossover setting by ear for the smoothest blend with your main speakers The best setting of the crossover control will depend on speaker placement and personal preference BACK OF RECEIVER BostonPV700 PowerVent Powered Subwoofer Featuring BassTrac to main k speakers use crossover control removes high bypass crossover control direct to woofer power mode kehtaan he eames inne mie eit left rig ht filtering most products without Dolby Digital controls or bass management most products aitoi Gor or DTS or where manual control is desired with Dolby Digital or DTS CAUTION Disconnect supply cord ATTENTION Debrancher avant de power indicator Ei mia L plenul aiat v a da protection against risk of fire replace only rechange de m me type with same type fuse polenty 0G D 100 80 120 o G CAUTIO see Q c us i 50 150 120V 60Hz 2 5A r speaker level in ai tO O ron crossover fn level in ns kii front n speakers T2 5A L 250V Be sure to connect to red and to black Connecting the Subwoofer to Stereo or Dolby Pro Logic Systems For stereo or Dolby
12. he remaining low frequencies to the subwoofer power amplifier Speaker level Use these high level terminals with receivers that do not have subwoofer output The speaker inputs accept both left and right channel speaker signals from your receiver NOTE Certain receivers use speaker grounding circuits that may be incompatible with external powered audio products such as powered subwoofers When speaker wire is used instead of line level cables this incompatibility can sometimes result in an audible hum when the receiver is turned off or switched to a different speaker channel See page 8 for more information How to Connect Using the Speaker Terminals We recommend 18 gauge wire or thicker for runs up to 15 feet 4 5m and 16 gauge wire or thicker for longer runs Separate the first few inches of the wire conductors Strip off 2 inch 12mm of insulation from the ends of each speaker wire to expose the two conductors and tightly twist the wire strands WARNING To prevent electrical shock hazard always switch off the amplifier or receiver when making connections to the speaker When making all connections be sure to connect the red on the speaker to the red on the amplifier and the black on the speaker to the black on the amplifier IMPORTANT Typically one side of Using the five way binding posts The binding posts permit easy the wire is smooth Connect this side connection to banana plugs spade lugs and bar
13. lter prevents the subwoofers from being easily localized by ear increasing placement flexibility A crossover bypass function is provided for use with home theater electronics that perform their own bass management Because of their high powered amplifiers and computer optimized tunings the PV700 and PV900 are capable of impres sive deep bass and high output from remarkably compact enclosures In addition they feature BassTrac a proprietary Boston designed circuit that tracks the input signal to the subwoofer and prevents its amplifier from being driven into audible distortion The benefit The bass stays clean and strong at any listening level Auto on off amplifier switching and easily accessible controls make the PV700 and PV900 subwoofers as convenient to use as they are exciting to listen to Connections NOTE Power is always supplied to the subwoofer electronics unless it is unplugged or switched to the off position using the power toggle switch located in the lower left corner of the rear panel The auto on circuitry only activates or deactivates the power amplifier Make sure your subwoofer and receiver are unplugged when making the connection Line level Use one of the line level in jacks with most systems These inputs accept the line level signal from your receiver s subwoofer output When using the use crossover control input the subwoofer s circuitry filters out the high frequencies and sends t
14. y use attachments accessories specified by the manufacturer SLOOT E 20 0 gt 12 Unplug this apparatus during lightning storms or when unused tor long periods of time 13 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 14 Maintain a minimum distance of 50 mm around the front rear and sides of the apparatus for sufficient ventilation The ventilation should not be impeded by covering the ventilation openings or placing on or around the apparatus items such as newspapers table cloths curtains etc 15 No naked flame sources such as lighted candles should be placed on the apparatus 16 The apparatus shall not be exposed to dripping or splashing No objects filled with liguids such as vases shall be placed on the apparatus 17 The apparatus is suitable for use in tropical and or moderate climates 2 Specifications PV900 PV700 Freguency Response 3dB 26 150Hz 29 150Hz Subwoofer Amplifier Power FTC Rated Power 300 watts 50 Hz into 4 ohms at less than 1 THD N FTC Rated Power 200 watts 50 Hz into 4 ohms at less than 1 THD N Subwoofer Crossover 50 150Hz 24dB octave low pass 50 150Hz 24d
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