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Herbie's thick dBNeutralizer(tm) pad provides grounding for cone and spike vibration drainage. Works as a two-way decoupling barrier also, preventing vibrations from permeating into the audio rack or floor and subsequently back to other components, and vice-versa. ... A premium stainless steel or brass disc, laminated to the dBNeutralizer(tm) pad, prevents cone points from puncturing the pad and provides constrained coupling to the pad material. The resulting barrier to vibrational and soundwave energies yields uncolored, sonically neutral support. ... Small grounding base is ideal for small/medium-size turntables and other audio components and loudspeakers in relatively mild vibrational environments. Medium base is superb for all audio components, loudspeakers and racks up to 400 pounds. Large base is recommended for more severe vibrational conditions and weight loads up to 1000 pounds (450kg) – also ideal for rounded cones because of its shallow, concave contour. Grounding bases are not weight-specific, and any of the bases can be used effectively under a wide variety of conditions. ... For use on smooth uncarpeted surfaces, Cone/Spike Grounding Bases do not mar or smudge. (Grounding Base "Pad Only" is available if you already have floor/shelf-protector discs that you wish to use.) ...
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For decoupling and isolating extra-heavy speakers, cabinets, and racks. Herbie's 11mm extra-thick dBNeutralizer provides unsurpassed vibration absorption and soundwave energy blockage. Convex Teflon bottom enables use on carpet. Appropriate for loudspeakers and cabinets of virtually any weight on any kind of floor. ... On top, the reversible stainless steel disc features a concave depression for use with cones, spikes, or threaded rod up to 11/16" diameter (17mm) one one side. Flip the disc over for a flat surface covered with an ultra-thin layer of dBNeutralizer for a slip-free interface with broader rod, wooden legs, domed feet, etc. ... 2.36" wide by .75" tall (60mm x 19mm). ...
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"I tried several combinations, but the one that seems to work best is Black Diamond Racing #3 cones (points down), with the points resting on Herbie's Audio small Cone/Spike Grounding Bases. Very little vibration is transmitted through this arrangement."--Jerry Seigel, Colorado
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"Practical, cheap and effective – recommendations don’t come much easier!"--Andy Fawcett, Audiophilia.com
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"The small cone/grounding bases, they make a difference under my VPI Scout, improved bass (tighter), improved clarity, especially at the top end and more dimensional soundstage."--John Caggiano, North Carolina
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"Adding the decoupling pads below my brass floor protectors under my speaker spikes resolved a severe floor resonance problem and reduced structure-borne feedback to my turntable. Bass in particular is much tighter and more extended, but there are improvements across the whole spectrum."--Robert Haber, Urbana, Illinois
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"I wasted no time in trying the Cone/Spike Grounding Bases. They work! Even on carpet their effect is pronounced. Sorry if I seem surprised, especially after my success with the Tenderfeet, but I am a skeptic by nature and training. ;^)
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"The improvements I notice from the Grounding Bases are as follows:
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+ at first I thought the overall volume was lower, but in fact, resonance I previously did not know was there is now gone.
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+ the lack of resonance cleans up everything, but benefits bass and midrange particularly
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+ with respect to placement and presence, elements in the sound field are clearer.
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"Thank you for another effective and useful solution. I have already begun referring friends to you."--K. Sims, Oakland, California
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"Great product! really improves the bass."--Rob Hooper, Surrey, BC, Canada...
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"I just ordered four of the grounding bases (pads only) as I already had suitable metal discs on hand. I put the grounding bases under my audio rack and they have made a nice improvement in my system. The grounding bases have substantially reduced the amount of vibration picked up from the floor and the difference can be felt when placing your hand on the rack.
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"At the same time, I also added three Square Fat Dots to my system. I combined three Square Fat Dots with three steel coupling discs. I then placed these under my existing Black Diamond Racing MK4 Pyramid cones points down. With my CD player resting on this structure there was a further reduction in vibration within the CD player's chassis.
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"My overall perception is the grounding pads, and Fat Dots have made my system sound a bit more fluid, open, and natural. I'm quite pleased with the results! While I cannot say these tweaks would work just as well for every system, in my own system, I feel that I have gained a nice improvement in sound for a very reasonable price."--Brian Noel, Grand Rapids, Michigan
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