Von Schweikert VR4 Speakers - Cherry Finish
- Condition: Used
- Price: 1407.93 EUR
- Status: unsold
- Item number: 196689290678
- Bids: 0
- Seller: rickclapton (1515|100.0%)
- Seller information: non commercial
- Item location: Litchfield Park, Arizona
- Ships to: None
- Shipping: 0,0 EUR
- on EBAY
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Description
Very nice set of Von Schweikert VR4 virtual reality speakers..Cherry finish. Nice condition with only minor blemishes to the tops - no rips or torn areas to the fabric. These sound spectacular - open airy and very robust in the bass. Here is a sampling of an earlier review:The Von Schweikert Research VR-4s stand 46 high, 13.5 wide and 19.5 deep. They weigh in at about 120lbs for each side. They are tower speakers that have a separate bass module with two eight inch woofers with separate crossovers. One woofer runs from the basement up to 125Hz where it is crossed over to the midrange driver, the other woofer is rolled out when it reaches 40Hz. The separate woofer crossovers provide killer bass down to 20Hz (my in room measurement was actually flat at 20Hz when four feet from the back wall and -1dB when moved out to seven feet), by having both drivers working together at the lower frequencies without the mid bass bump that Ive heard from other two woofer systems that allow both drivers to run all the way up to the midrange crossover point. Each of the woofers is a polypropylene / epoxy resin hybrid with a separate enclosure and rear firing port within the bass module. The separate Midrange / Tweeter module sits, or I should say docks, on top of the bass module to form an elegant tower. The midrange and tweeter have separate time aligned cabinets inside the dowel supported, cloth covered module, reminiscent of the Vandersteen design. No one would ever mistake them for Vandies though, given their dimensions and two-piece configuration. The crossover circuit for the woofers is inside the woofer module, while the crossover for the midrange and tweeter is located externally on top of the midrange enclosure. This midrange enclosure looks like a long rectangular box that extends the full depth of the speaker. Internally, however, the sides are not parallel. There are baffles inside that channel the rear wave reflection away from the driver and through a labyrinth of increasingly dense absorptive material until the back wave is 100% (theoretically) absorbed by the time it reaches the rear end of the enclosure. The front tweeter is mounted on what looks like a three inch thick solid piece of wood which is curved to match perfectly the top curve of the metal tweeter baffle. There is one inch thick felt on all of the surfaces, including the underside of the wood top cap. The top cap looks to be a good eight inches above the top of the tweeter, so there shouldnt be much reflection off of it (...something that always troubled me with the Vandersteen design). Any sound waves that do head in the top caps direction should be absorbed by thick felt underlining. The midrange driver is a 5.25 woven carbon fiber model made by Audax, and is reported as having a range of 57Hz to 12kHz. The hand off to this driver begins at 125Hz and ends at 3.5kHz when it is crossed over to a Vifa aluminum dome tweeter. These crossover points are significant, because you wont hear much in the way of human voice above, or below this range. The low crossover is also very nice for bi-amping when mixing solid state and tubes (particularly single-ended tubes). Ive tried it on other speakers with higher crossover points, including my KRS that cross at 250Hz, without much success. The very different character of the tube and solid-state sound is much too obvious when the hand-off occurs in the lower midrange. There is a small rear firing tweeter mounted inside the sock at the rear of the mid/tweet module. This tweeter has its own crossover to integrate properly with the front firing tweeter. A rhodium plated toggle switch is located on the binding post cup that allows you to turn off the rear tweeter in case you have to place the speaker too close to a rear wall, or your room is too bright. A second toggle switch on the other side of the binding Local pickup only due to the extreme weight
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