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AV Room Service - Equipment Vibration Protector (EVP) - 4" Large
SKU
AV-Large-EVP
Use the EVP Calculator to decide on the number of EVPs and density required for your equipment.
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AV Room Service - Equipment Vibration Protector (EVP) - 4" Large is available to buy in increments of 1
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AV Room Service - Equipment Vibration Protector (EVP) - Large
A/V RoomService small Equipment Vibration Protectors (EVPs) isolate and decouple vibration for home theater and high-end audio gear, reducing resonance and improving sound quality and noise control. Available in medium or high density with rubber or felt tops, each small EVP supports light electronics while helping deliver clearer, more accurate audio. Made in the USA.
STEPS:
- Determine the weight of the equipment to isolate
- Enter weight into EVP Calculator (below) and select Pounds or Kilograms
- Decide on EVP Shape (ROUND or SQUARE)
- Decide on number of EVPs (3, 4 or 5)
- Determine proper EVP density (MEDIUM or HIGH)
- Decide of top and bottom material (RUBBER or FELT)
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“When AV RoomService’s specially-designed and constructed EVP isolators arrived, I replaced the wood blocks under the Dynaudio MP5 monitors and the difference was “night and day”: The sound not only tightened up, but it became quieter. I highly recommend EVPs. They are the real deal. Norman is the real deal. Everything he designs is based on science, there is no voodoo here, and this science has served to truly improve my sound.” ~ Bob Katz, Mastering Engineer, 3-time Grammy winner |
How They Work
At the core of EVPs are layers of engineered glass fibers acting as leaf-springs. Basically, mechanical energy causes the fibers to move against each other, and the friction converts the mechanical energy into thermal energy. In addition, our own RoomDamp constrained-layer damping compound improves the energy dissipation efficiency. Vibration transfer is a two-way street; vibrations can travel both to and from a source, and/or be reflected back to the source. EVPs allow equipment to perform optimally, quiet the room, and prevent vibrations from being transmitted to adjoining spaces. Extraneous vibrations and resonances are no longer heard, leaving only the pure original loudspeaker signals.
Visual Chart depicting weight loading data used in the EVP Calculator
Test Results 1 Video
Test Results 2 Video
FEATURES:
- Lab-tested isolation feet decouple vibrations from equipment to surfaces
- Reduces noise transmission into structures and adjacent spaces
- Rubber or felt top/bottom options for surface protection and placement preferences
- Precise load handling supports a wide range of component weights
- High or medium density, depending on the weight of your equipment
- Converts mechanical energy into thermal energy to dissipate vibration
- >90% vibration reduction from approximately 5 Hz and up (lab proven)
- Predictable and consistent performance across different conditions
- Square or round versions available
- Made in the USA
SPECIFICATIONS:
| Medium Density | High Density | |
| Dimensions | Round: W 4.88" x H 1.47" Square: W 4.0" x 4.0" |
Round: W 4.88" x H 1.47" Square: W 4.0" x 4.0" |
| Top/Bottom | Rubber or Felt | Rubber or Felt |
| Load Handling | 8 - 20 lbs. (3.6 - 9 kg) | 12 - 76 lbs. (5.4 - 34.4 kg) |
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