Loudspeaker & Rack Decoupling/Isolation

Giant Cone/Spike Decoupling Glider

Herbie's Audio Lab is proud to introduce a completely new, revamped and upgraded lineup of audio loudspeaker and rack isolation feet. This new lineup of footers represents great value; only the finest materials are used, and all are manufactured and/or assembled in-house. By experimenting outside the conventional "box," we have solved several of the frustrating problems associated with traditional loudspeaker isolation, achieving new benchmarks for loudspeaker footer performance and versatility.


Fat Dots: made with Herbie's dBNeutralizer(tm)

Big Fat Dots, 1-5/16" diameter
Big Fat Dots

Square Fat Dots
Square Fat Dots

Reviews

Reformulated in 2012 for even better lightning-fast response, this firm yet loosely structured material is formulated specifically for blocking mechanical soundwave energies. Wide footprint gets a good grip and provides excellent lateral stability. Each Big Fat Dot supports and isolates from five to more than 200 pounds (90kg).

Big Fat Dot is 1-5/16" (33.3mm) diameter by 1/4" (6.4mm) thick. Perfect for floor-standing speakers, monitors, loudspeaker and stand decoupling, module decoupling, subwoofers, electrostatics, amplifier platforms, equipment racks.

Big, Small, Square, and X-Large Fat Dots are the same thickness and can be mixed and matched, or stacked, for unique applications. Use only as an interface between broad, flat surfaces (for use between spike and flat surface, use Herbie's Decoupling Glider or Cone/Spike Isolation Bases. For use on carpet, use Herbie's Fat Gliders.)

Fat Dots are not weight-specific. The major factor is the amount of vibration-blocking "beef" involved. Because of the wide variation of vibrational environments Fat Dots may be employed in, specific recommendations are not always possible. Various Fat Dot sizes have a lot of overlap in their capacities, so choosing between them in many cases in not critical. Standard Big Fat Dots, however, have proven to be particularly effective throughout a wide range of vibrational circumstances and loudspeaker types and is the overwhelmingly popular choice of Herbie's customers.

Small Fat Dot (3/4" dia.): $4.19 ea.
Square Fat Dot (1.06" x 1.06" square): $8.29 ea.
X-Large Fat Dot (1.5" dia.): $13.95 ea.
Giant Fat Dot (1.8" dia. x 9.5mm): $19.95 ea.

Adhesive: Monitor speakers often sit on small stand plates, causing a potential for a speaker being accidently bumped off the stand. Blue Tac is a common remedy. Though achieving some isolation benefit, this material induces some linear compromises, sonically falling significantly short compared to Fat Dots.

dBNeutralizer Fat Dots are available with a speaker cabinet-friendly medium-tack adhesive applied to one side or both. Sticky Fat Dots bond the speaker/stand interface more strongly than Blu-Tac and are removable without damage to speakers, stands, or the Sticky Fat Dots.

Sticky Big Fat Dot and Sticky Square Fat Dot are the same as above (6.4mm thick), with the added adhesive not increasing overall thickness significantly. Sticky Small "Thin" Fat Dot is thinner (3.2mm thick).

Sticky Fat Dots:
Sticky Big Fat Dot (1-5/16" dia.): $12.95 ea.
Sticky Square Fat Dot (1.06" x 1.06" square): $10.59 ea.
Sticky Small "Thin" Fat Dot (15/16" dia.): $4.74 ea.

Von Schweikert Special: For module decoupling, eight Big Fat Dots plus two Square Fat Dots. Use four Big Fat Dots per speaker, one near each corner, with a Square Fat Dot in the middle.

Von Schweikert Special: $87.29


Ascendo C8 Special: Ten specially sized, extra-thick 35mm x 9.5mm Fat Dots, upgrade replacement for the ten rubber pucks used between a pair of Ascendo C8 speakers and stands. C8 Fat Dots can be used for other loudspeakers and other decoupling chores as well.

Ascendo C8 Special: $135.49

C8 Fat Dot (35mm x 9.5mm): $14.98 ea.


"Thin" Fat Dot

"Thin" Fat Dots

A thin layer of Herbie's dBNeutralizer material for decoupling and isolation in a moderate vibrational environment. Great as an interface between top of loudspeaker cabinet and weight. Polished granite slab, sandstone, paving block, ceramic tile, or other material placed on top of a loudspeaker cabinet or subwoofer can help to stabilize cabinet vibrations. Using "Thin" Fat Dots as an interface makes these materials even more effective and at the same time eliminates any sonic character the material might introduce.

Also great under vibration-control platforms and other general decoupling applications where a semi-firm interface is desired.

Same as Big Fat Dots above, but 1/2 the thickness (1/8").

"Thin" Fat Dot: 1-5/16" diameter.

(Small: 15/16" diameter.)


Floor-Standing Loudspeaker & Rack Mobility

Floor-standing loudspeakers sometimes need mobility for room aesthetics, acoustic experimentation, social and other reasons. Conventional casters are terrible for audio applications however, because various rollers and wheel housings introduce reverberations from floor and loudspeaker vibrations, adversely affecting the loudspeakers' performance.

Loudspeakers and equipment racks scarcely need to be rolled anyway, not like a service cart at a hotel. They just need to be moved a little from time to time. Rather than rolling on wheels, an ability to slide across the floor is sufficient. Herbie's loudspeaker Gliders enable mobility on bare floors and carpeted floors while providing superb decoupling and sonic improvement. Besides general overall benefit throughout the sonic spectrum, deeply extending, linear bass with pronounced definition is the most consistently reported improvement achieved with Herbie's Gliders.

Having glider mobility makes it easier to fine-tune and maintain ideal loudspeaker positioning. Positioning, like toeing the speakers in or out just a little, moving them closer to a corner or away from a wall, has dramatic acoustical effect. Bass response, linearity and soundstage imaging are among the acoustic phenomenon addressed by speaker positioning. With any change or upgrade of components or accessories, some readjustment of loudspeaker positioning is often beneficial to bring everything up to the next level.

Special note about Gliders: when moving speakers on Gliders, always push cautiously from the bottom of the speaker cabinet or rack, not from the top.


Little Fat Glider

LIttle Fat Glider

Reviews

Herbie's dBNeutralizer Fat Dot with Magic Slider provides mobility and superb "Fat Dot" decoupling on almost any kind of smooth floor or thin, unpadded carpet. With thick dBNeutralizer pad and smooth polymer bottom, Little Fat Glider achieves a superior level of sonic perfection. Superb for loudspeakers and cabinets weighing up to about 60 pounds (27kg) on bare or thinly carpeted floor. When used for stationary support only, four Little Fat Gliders will support and isolate loudspeakers up to 100 pounds, audio racks/cabinets up to 500 pounds.

With pressure-sensitive adhesive (also available without adhesive).

Recommended to support broad, flat surfaces only; not for use under spikes.

 Dimensions: 1-3/8" diameter by 1/2" high.

Little Fat Glider

$10.89 ea.


Giant Fat Glider

Giant Fat Glider

Reviews

 

For decoupling heavy speakers, cabinets, and racks. Herbie's extra-thick (3/8") dBNeutralizer Giant Fat Dot, embedded in a Magic Slider with smooth polymer bottom, grips the cabinet bottom (no need for screw or glue). Provides unsurpassed isolation/decoupling, holding loudspeakers vibration-free, reducing vibration-influenced distortion for the ultimate sonic enjoyment. Appropriate for loudspeakers and cabinets of virtually any weight on any bare or carpeted floor.

 Perfect as a decoupling/isolation base even when mobility is not an issue.

 2.36" wide by .63" tall (60mm x 16mm).

Giant Fat Glider
$22.95 ea.

(Bottom view)


Cone/Spike Decoupling Glider

Cone/Spike Decoupling Glider

brass

Cone/Spike Decoupling Glider

stainless steel

Cone/Spike Decoupling Glider

titanium


Reviews

Loudspeaker spikes are more effective when used in conjunction with Herbie's dBNeutralizer decoupling, especially with wood or suspended floors, whether carpeted or bare. Likewise, if your spikes couple firmly to your cabinet and are themselves solid and relatively free of coloration, they will complement Herbie's Decoupling Gliders very well by easing some of the workload and making the Gliders even more efficient. (Herbie's Cone/Spike Decoupling Gliders are used under your present spikes or cones.)

Features fiberglass-reinforced dBNeutralizer(tm) decoupling base and extra-thick brass, stainless steel or titanium disk. Fitted into Magic Sliders, they can be used on virtually any kind of floor, bare or carpeted, with easy-sliding mobility. Extra-deep conical indentation prevents spike from slipping out when lateral pressure is applied. Suitable for audio racks, stands and loudspeakers of virtually any weight. 1-3/8" diameter by 1/2" tall. With speaker load, height from bottom of Glider to bottom of conical indentation is about 5/16" (8mm).

Brass: superb hi-end results with most audio systems (our default recommendation).

Stainless steel: superb hi-end results with most audio systems.

Titanium: best-looking and best-sounding results possible.

Cone/Spike Decoupling Glider

brass: $16.89 ea.

stainless steel: $18.89 ea.

titanium: $24.49 ea.


Giant Cone/Spike Decoupling Glider: Same attributes as regular Cone/Spike Decoupling Gliders described above, with more dBNeutralizer "beef" and broader base. With embedded brass, stainless steel, or titanium disk, Giant Cone/Spike Decoupling Gliders are ideal for extra-heavy duty, for severe vibrational environment, or use with speakers and component racks on deep, spongy carpet. Appropriate for use on any kind of bare or carpeted floor. 2-3/8" wide by .67" tall (conical indentation is .144" deep). With convex off-white polymer bottom.

Giant Cone/Spike Decoupling Glider

Giant Cone/Spike Decoupling Glider Bottom View

(Bottom view)

Reviews

brass: $32.89 ea.

stainless steel: $35.89 ea.

titanium: $39.85 ea.

 


Threaded Stud Glider

Threaded Stud Glider w/ 20mm long M6 stud

w/M6 stud

Reviews

Nifty glider replaces threaded spikes or cones for loudspeaker or rack isolation and mobility with superb lateral stability. (With an efficient decoupling approach, spikes are not really needed at all.) Fiberglass reinforced dBNeutralizer-filled vinyl base with smooth polymer bottom handles virtually any weight load on bare or carpeted floor. With jam nut to lock-in height adjustment.

  Threads available:

8-32 (1/2" or 3/4" long)

10-32 (1/2" or 3/4" long)

1/4"-20 (1/2", 3/4", 1", 1.5" or 2" long)

5/16"-18 (1/2", 3/4", or 1" long)

3/8"-16 (1", 1.5" or 2" long)

   

M5 (16mm long)

M6 (16mm or 20mm long)

M8 (15mm, 20mm, or 40mm long)

M10 (25mm long)

Metric thread pitch:
M5=0.8, M6=1, M8=1.25, M10=1.5

Suitable for loudspeakers and audio racks of any weight on bare floor or carpet.

Dimensions: width: 1.3" (33.3mm) · mounted height: ≈ .4" (10mm)

Threaded Stud Glider

$16.34 ea.*

*(Price is slightly higher for 5/16", 3/8", M8 and M10 threads.)

Super thin wrench for leveling:
from $0.59 ea.

  Click the pic to order wrench


Cone/Spike Isolation Bases: Use under cones or spikes on bare floor or platform.

Medium Cone/Spike Grounding Base
Click here to open new page

Decoupling Spikes: Great for subwoofers, amplifier platforms, column/pillar loudspeakers

Deluxe Superior Decoupling Spike
Click here to open new page

Soft Fat Dots: Small monitor and bookshelf speaker isolation.

Soft Fat Dots
Click here to open new page

What it is:

dBNeutralizer(tm) is a proprietary composite of platinum-cured silicones with barium sulfate and silica fillers.

Big Fat Dot blocks transfer of mechanical sound energy by the following amounts (in compliance with ASTM E 90 Test Standards):

Freq: Transmission loss, dB:
<20 6 ~ 18
20 16
40 19 
50 22
100 23
150 20
250 24
300 23
400 26
500 27
650 29
800 31
1000 33
1250 36
1600 37
2000 39
2500 41
3200 43
4000 44
5000 43
>5000 ≥43  


90-day money-back trial period. Lifetime Warranty! Herbie's isolation feet are guaranteed to improve the performance of audio and video components by reducing vibration-induced distortion. Give them a try – you'll be surprised how great-sounding your present equipment is!


Bang for the buck... Direct from the manufacturer, Herbie's Audio Lab offers low prices, high value!

All parts and materials made in USA

-Comments-

Name: Darren
Message: I just got a set of Paradigm 11SE MKiii's. I have the spiked feet for them and I will be placing them on a concrete floor in a basement.

What should I use to support the spikes, if anything?

Darren

Webmaster's reply: To bring out more of the best inherent potential of the speakers, you'll surely want to isolate/decouple the speaker/floor interface. I suggest considering a Cone/Spike Decoupling Glider under each of the stock spikes (or Threaded Stud Gliders in place of spikes altogether).
Name: FrankN
Message: Hi,
I'm looking to improve my Quad 2905's ESL isolation from a tiled floor. Should I use the spike decoupler/gliders or would 4*iso cups be even better, replacing the spikes altogether ?
In addition should I use Tenderfeet between the rack arms that the shelves sit upon?
Many people are also promoting a combination of air sue soon (inner tubes / bladders) + items like Iso cups - any thoughts along those lines, especially for my speakers?
Regards. Frank

Webmaster's reply: Cone-Spike Decoupling Gliders under your present spikes should do very well. Iso-Cups are not recommended for loudspeaker applications. Between shelves and shelf supports, regular grungebuster Dots are usually the best decoupling interface. Tenderfeet and Iso-Cups are for use directly under components themselves. Air-bladders and innertubes are sort of a junk approach to isolation, providing some benefit sometimes but at the cost of substantial sonic detriment like loss of linear integrity--it's a trade-off, mid-fi at best, total junk at worst.
Name: Robert
Message: I just purchased a pair of Mirage-OMD-28 towers. They came with screw in metal spikes but I have wooded floors . What do you recommend?

Webmaster's reply: A Cone/Spike Decoupling Glider under each of the stock spikes (or Threaded Stud Gliders in place of the spikes altogether).
Name: James
Message: I have a pair of avantgarde duo 2.2,which is it fit?thx

Webmaster's reply: We recommend a Cone/Spike Decoupling Glider or Giant Cone/Spike Decoupling Glider under each of the stock spikes. Or, Threaded Stud Gliders in place of the spikes altogether. We have at least several Avantgarde Duo customers with the upright supports using our Gliders with great results.
Name: Rick
Message: I am using a pair of Energy Reference Connoisseurs on a wood floor. The speaker terminals are accessible through the bottom of the base and because of my current old school speaker cable, I need the speakers raised about a quarter inch. Which of your products would you suggest for decoupling?

Webmaster's reply: The Energy Reference Connoiseur series has several different models. Any of Herbie's loudspeaker/isolation products will achieve superb isolation/decoupling of these speakers and raise them adequately from the floor.
Name: Jim D
Message: I have a pair of Soliloquy 5.3 loudspeakers with an integrated threaded spiking system in their metal base. I have carpeted floor. I wonder what you'd recommend as these speakers weigh about 80 to 90 lbs each.

Webmaster's reply: A Cone/Spike Decoupling Glider under each of the spikes. If the carpet is extra thick and spongy, Giant Cone/Spike Decoupling Gliders would be a more appropriate choice for easier mobility of the speakers.
Name: jmac
Message: whats best for under thiel 1.6 speakers on wood floors

Webmaster's reply: Most of our Thiel 1.6 customers use regular Cone/Spike Decoupling Gliders under the stock spikes with excellent results.
Name: Ben Hodgetts
Message: I recently purchased a new pair of Sonus Faber Standmount speakers and stands but was having difficulty getting the stands to sit stably on the carpet.

I remembered I'd bought some brass cone/spike decoupling gliders a few years ago but had stopped using them after a component change. After searching for hours I finally found them again and put them under the Sonus Faber Stands. Result: brilliantly focused sound!

One of the things people with carpet should love about these things is that they make experimentation with speaker positioning a breeze. You can shoft toe-in and move the speakers fore and aft with ease without putting spike holes all over your carpets (which ultimately prevent fine adjustments).

A great product, period.
Name: Magnus
Message: Hi. Yesterday I got a pair of your tube dampers for my 300Bs and my preliminary impression is they turned a great system twice as good. I hear a lot more music and it is beautiful! What's your suggestion for my pair of Klipsch rf-63-s on a wooden floor? I am not sure the original spikes I use now are optimal. Also, I contemplate whether to support my svs pb-13 subs somehow. They sit directly on the wooden floor now and off course they sometimes induce rattling sounds here ad there, not always so easy to localize... Thanks for great products at very reasonable prices and superquick delivery all the way to Umeň, Sweden!

Webmaster's reply: The Klipsch speakers should do very well with a Cone/Spike Decoupling Glider under each of your spikes. Four Big Fat Dots under each sub should help considerably.
Name: George Moore
Message: The spike decoupling gliders are super under my Daedalus speaker outriggers. Better definition in the bass, nice soundstage.
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