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Von Schweikert Audio VR-4SR MK2 - page 1
1 V V O O N N S S C C H H W W E E I I K K E E R R T T A A U U D D I I O O W W O O R R L L D D - - C C L L A A S S S S S S P P E E A A K K E E R R S S Y Y S S T T E E M M S S F F O O R R A A U U D D I I O O A A N N D D H H O O M M E E T T H H E E A A T T E E R R V V R R - - 4 4 S S R R M M K K 2 2 I I N N S S T T R R U U C C T T I I O O N N M M A A ...
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Von Schweikert Audio VR-4SR MK2 - page 2
2 V V O O N N S S C C H H W W E E I I K K E E R R T T A A U U D D I I O O V V R R - - 4 4 S S R R M M K K 2 2 TABLE OF CONTE NTS I MPORTANT NOTES........................................................................................................PAGE 2 BREAK-I N..................................................................................... ...
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Von Schweikert Audio VR-4SR MK2 - page 3
3 Please read the following instructions regarding s etup, as imaging and bass response must be optimized to y our particular room. Since every listening room will have different di mensional ratios and reflective/absorptive coefficients, each setup will be different. A th orough break-in must be conducted in order to realize the ful l benefits of ...
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Von Schweikert Audio VR-4SR MK2 - page 4
4 SETUP 1. P lease do not install the spikes until the prop er placeme nt has been determined . If you try t o move the speakers aro und with the spi kes installed, you can damage your floor and/or rip o ut the spikes, so please b e careful an d instal l the spikes o nly when you are confident that t he s peakers have been pla ced in t he p roper p ...
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Von Schweikert Audio VR-4SR MK2 - page 5
5 the best image focus and widest soun d stage. However , sin ce y ou r tas te may var y , y ou ma y we ll pr ef er the extra depth achieved with no toe in; i.e., t he speakers parallel to the side walls. ON SHORT W ALL: Placing the speakers on the short wall and si tting far back in the long end of the room may g ive y ou a concert ha ll experienc ...
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Von Schweikert Audio VR-4SR MK2 - page 6
6 CARPETED FLOORS : Install the spikes after break in – t his is easily acco mpl ish ed with tw o pe opl e, one t ipping t he speaker back while the ot her inst alls the spikes. Be careful not to l et the M/T unit fall off the woofer module! If one person installs the spikes, remove the M/T modules before attempting to install the spikes. Make su ...
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Von Schweikert Audio VR-4SR MK2 - page 7
7 WOOFER MODULE BI NDING POSTS: Note that two pairs of binding posts are offered on the woofer module, and a re ge nerally connected together with the metal straps provided when only one cable is to be used. These two pairs of binding posts on the woofer m odule enable a “quad” cable hookup for bi-wiring – t his setup requires the use of the ...
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Von Schweikert Audio VR-4SR MK2 - page 8
8 Balancing of the volume levels when using amps with different input sensitivi ties can be accomplished by outboard level controls available from your dealer at very modest cost. I f the amplifiers have input sensitivities which are fairly close, even if they are different b rands, there wil l be no need for level controls. VERTICAL BI-AMPI NG: If ...
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Von Schweikert Audio VR-4SR MK2 - page 9
9 omnidirectional sound, and your ear/brain hearing mechanism will clearly know this. The VR Vir tua l Reality design wil l simulate this huge soundfield, with i t’s involving depth and dim en sio n. Ho we ver , correct placement is required to achieve the best possibl e sound quality. Amazingly , moving t he speaker only a few inches can m ake t ...
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Von Schweikert Audio VR-4SR MK2 - page 10
10 curtain of sound between them, your room’s reflections and/or seating distance is destroy ing the coherent sound that was engineered into the VR design. To eliminate this unwanted effect, you will need to determine whether the room’s reflections are at fault, or whether y ou are not in the “sweet spot.” To find the focal p oint of the VR ...
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Von Schweikert Audio VR-4SR MK2 - page 11
11 BASS RES PONSE TUNING BACKGROUND INFORMATION: Sinc e en cl ose d ro oms will a ff ec t the bass res pon se due to stan din g wave formation, a woofer tuning feature has been designed into the VR series of speakers. Deep bass in the 20 -40Hz range is highly desirable in a reference speaker design, since hall reverberation at low frequencies is a ...
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Von Schweikert Audio VR-4SR MK2 - page 12
12 lengths that the wa ves take be fore arr iving at the listening position. Although the first arriving bass wave will have flat frequency response, fractions of a second l ater the same waves have bounced off of the f ront wall, rear wall , side walls, and the f loor. These reflec tions both reinforce and cancel the original direct wave, depe ndi ...
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Von Schweikert Audio VR-4SR MK2 - page 13
13 grapefr uit into the vent and push the ball upwards, into the woofe r cavity . Do this in both speakers, and if one handful is not sufficient to reduce the overall bass level, cont inue t o place Dacron balls upwards into the woofer cavity . B). I f the frequency range between 20-30Hz sounds too powerful in your particular room , simply place a ...
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Von Schweikert Audio VR-4SR MK2 - page 14
14 metal film resistor to equalize the sensitivity of the louder speaker in order to make a fair test.) Here at the factory lab, we have us ed several brands of electrostatic and ribbon speakers for comparison and have been consistently amazed at the results we are achieving with dy namic cone drivers! Since the VR design is q uite transparent, l a ...
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Von Schweikert Audio VR-4SR MK2 - page 15
15 most wear t o t he electronic components in an ampli fier results from the inrush of current from the wall into a cold p art. Once the unit is left on, the voltages and t emperatures stabili ze, resulting in better so und and compon ent life. The electric bill will not reflect a huge price difference, as electronics at idle do not use much elect ...
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