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Thread: Active Turntable Isolation
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December 11, 2021, 08:38 PM #1
Active Turntable Isolation
So what’s the best active turntable isolation platform these days?
Sent from my iPhone using Tapatalk ProMy Systems: http://www.audioshark.org/showthread...481#post158481
"We can hear everything we measure, but we can't measure everything we hear. Let your ears be your guide."
Dealer for: Aqua Hi-Fi, Aurender, AudioQuest Cables & Power Products, Berkeley Audio, Block Audio (distributor), Boulder Amplifiers, Bowers & Wilkins (B&W), Bryston, Clarisys Audio Loudspeakers (distributor), Classe’ Audio, Degritter Record Cleaning Machines, Esoteric, Finite Elemente, FirstWatt, Focal Loudspeakers and Headphones, GigaFoil, Harbeth Loudspeakers, Hegel, HiFi Man, Innuos, ISO Acoustics, Keces Power Supplies, Kharma Loudspeakers and Electronics, Kuzma Turntables, Lumin, Luxman, Magico Loudspeakers, MBL Speakers & Electronics, MSB Technologies, MySonicLabs Phono Cartridges, Nordost Cables, Ortofon, Pass Labs, Quadraspire, Rega Turntables and Electronics, Shunyata Research, STAX, Stein Music Products, Stillpoints, Soulution, VAC, Vicoustics, Viva Audio, VPI Industries, WireWorld Cables.
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December 11, 2021, 09:48 PM #2
Re: Active Turntable Isolation
the Minus K for one (passive-mechanical). I had it under a Simon Yorke S10, but moving on to a different rack and turntable negated the need for it. There were some bugaboos I encountered that I never saw mentioned anywhere except maybe once. The active units like the Herzan are reactionary and compensate milliseconds after the event and can't isolate below 1 hertz like the Minus K does.
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December 11, 2021, 09:51 PM #3
Re: Active Turntable Isolation
My Systems: http://www.audioshark.org/showthread...481#post158481
"We can hear everything we measure, but we can't measure everything we hear. Let your ears be your guide."
Dealer for: Aqua Hi-Fi, Aurender, AudioQuest Cables & Power Products, Berkeley Audio, Block Audio (distributor), Boulder Amplifiers, Bowers & Wilkins (B&W), Bryston, Clarisys Audio Loudspeakers (distributor), Classe’ Audio, Degritter Record Cleaning Machines, Esoteric, Finite Elemente, FirstWatt, Focal Loudspeakers and Headphones, GigaFoil, Harbeth Loudspeakers, Hegel, HiFi Man, Innuos, ISO Acoustics, Keces Power Supplies, Kharma Loudspeakers and Electronics, Kuzma Turntables, Lumin, Luxman, Magico Loudspeakers, MBL Speakers & Electronics, MSB Technologies, MySonicLabs Phono Cartridges, Nordost Cables, Ortofon, Pass Labs, Quadraspire, Rega Turntables and Electronics, Shunyata Research, STAX, Stein Music Products, Stillpoints, Soulution, VAC, Vicoustics, Viva Audio, VPI Industries, WireWorld Cables.
https://suncoastaudio.com/
Phone: 941-932-0282
Facebook: https://www.facebook.com/Suncoast-Au...1105178279194/
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December 11, 2021, 10:10 PM #4
Re: Active Turntable Isolation
They make them to order in custom sizes (significant upcharge). Their client roster is a who's who of every research lab of significance, and used under proton microscopes for example. That said, you need to know a few things: they are assembled and calibrated to specific weights/mass. The adjustment range once installed is very narrow. Like just the act of putting on a record--or removing one--from the 'table is enough to bottom out the the top plate. It has hard bump stops that can be annoying esp when queing up a record. It doesn't damage/harm anything but one would think they'd have a solution by now. If you're the impatient type that can't wait a few seconds for the unit to 'settle' every time you place a record, engage the motor and wait for the platter speed to stabilize, etc. it might drive you nuts
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December 11, 2021, 10:15 PM #5
Re: Active Turntable Isolation
My Systems: http://www.audioshark.org/showthread...481#post158481
"We can hear everything we measure, but we can't measure everything we hear. Let your ears be your guide."
Dealer for: Aqua Hi-Fi, Aurender, AudioQuest Cables & Power Products, Berkeley Audio, Block Audio (distributor), Boulder Amplifiers, Bowers & Wilkins (B&W), Bryston, Clarisys Audio Loudspeakers (distributor), Classe’ Audio, Degritter Record Cleaning Machines, Esoteric, Finite Elemente, FirstWatt, Focal Loudspeakers and Headphones, GigaFoil, Harbeth Loudspeakers, Hegel, HiFi Man, Innuos, ISO Acoustics, Keces Power Supplies, Kharma Loudspeakers and Electronics, Kuzma Turntables, Lumin, Luxman, Magico Loudspeakers, MBL Speakers & Electronics, MSB Technologies, MySonicLabs Phono Cartridges, Nordost Cables, Ortofon, Pass Labs, Quadraspire, Rega Turntables and Electronics, Shunyata Research, STAX, Stein Music Products, Stillpoints, Soulution, VAC, Vicoustics, Viva Audio, VPI Industries, WireWorld Cables.
https://suncoastaudio.com/
Phone: 941-932-0282
Facebook: https://www.facebook.com/Suncoast-Au...1105178279194/
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December 11, 2021, 10:23 PM #6
Re: Active Turntable Isolation
The Herzan is an option along with all the other active designs, I just know the best of them cant isolate below a few hertz which might not be enough to isolate foot-falls in your room. Someone will likely chime in with more experience than me. good luck!
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December 11, 2021, 10:33 PM #7
Re: Active Turntable Isolation
Mike, what's your reason for wanting a platform?
That may be a large factor in making a selection. I can speculate but you can lay it out for me so i don't have to.
Dre
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December 11, 2021, 10:33 PM #8
Re: Active Turntable Isolation
Back in the 70s I was living in an apartment on the second floor, and I couldn't walk without causing my AR-XB turntable to skip. I securely mounted a shelf on the wall and that solved the problem. Unfortunately, there was no way to isolate the neighbors from the music. So I moved.
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Mapleshade Samson four shelf maple rack, Micropoint brass footers
Three 20 amp circuits.
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December 11, 2021, 10:48 PM #9
Re: Active Turntable Isolation
My Systems: http://www.audioshark.org/showthread...481#post158481
"We can hear everything we measure, but we can't measure everything we hear. Let your ears be your guide."
Dealer for: Aqua Hi-Fi, Aurender, AudioQuest Cables & Power Products, Berkeley Audio, Block Audio (distributor), Boulder Amplifiers, Bowers & Wilkins (B&W), Bryston, Clarisys Audio Loudspeakers (distributor), Classe’ Audio, Degritter Record Cleaning Machines, Esoteric, Finite Elemente, FirstWatt, Focal Loudspeakers and Headphones, GigaFoil, Harbeth Loudspeakers, Hegel, HiFi Man, Innuos, ISO Acoustics, Keces Power Supplies, Kharma Loudspeakers and Electronics, Kuzma Turntables, Lumin, Luxman, Magico Loudspeakers, MBL Speakers & Electronics, MSB Technologies, MySonicLabs Phono Cartridges, Nordost Cables, Ortofon, Pass Labs, Quadraspire, Rega Turntables and Electronics, Shunyata Research, STAX, Stein Music Products, Stillpoints, Soulution, VAC, Vicoustics, Viva Audio, VPI Industries, WireWorld Cables.
https://suncoastaudio.com/
Phone: 941-932-0282
Facebook: https://www.facebook.com/Suncoast-Au...1105178279194/
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December 11, 2021, 11:03 PM #10
Re: Active Turntable Isolation
OK. It sounds like floor-born feedback. I'm guessing you are on a suspended floor for this installation. Is that correct?
If so, the active units will most likely be less effective since they tend to like a stable floor to operate to maximum effect.
I have a Minus k BM-1 that operates down to 1/2 Hz that I've used for over a decade. There is nothing that causes it to flinch (wrestling on the floor or my 16 (total including subwoofers) drivers that handle bass frequencies. The volume level doesn't matter if you know anyone that's been here, you can ask them the dynamic range the setup can do.
I have a link to a post from Audionirvana that has a series of comments including some more tech-type data. Since both forums AS and AN are friendly with eachother and we have some of the same members, the link shouldn't be an issue. If it is just let me know and/or take it out.
Negative Stiffness, Isolation and Minus-K Platforms -
Audionirvana.org
After you look that info over and have more questions, you can ask me here or call.
Here is one of my quotes: "I purchased the Minus k for that one purpose of low frequency isolation. Because of the BM-1's ability to significantly remove those low frequency vibrations (including any footfall issues), the vinyl performance is improved in terms of playback. IME, the system plays effortlessly regardless of the dynamic crescendos that occupy those lower frequencies."
Here is one of the links to the Minus k working:
Here is a demo to show how a shaky floor or foundation is not an issue for the Minus k BM-1 where this would cause fits for other post-processing devices that require a solid and isolated base to perform optimally.
Vibration Isolation Demo | Spacecraft Technology Expo Booth - YouTube
Dre
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December 11, 2021, 11:11 PM #11
Re: Active Turntable Isolation
Yes, sub floor. Thanks, I’ll check it out.
Sent from my iPhone using Tapatalk ProMy Systems: http://www.audioshark.org/showthread...481#post158481
"We can hear everything we measure, but we can't measure everything we hear. Let your ears be your guide."
Dealer for: Aqua Hi-Fi, Aurender, AudioQuest Cables & Power Products, Berkeley Audio, Block Audio (distributor), Boulder Amplifiers, Bowers & Wilkins (B&W), Bryston, Clarisys Audio Loudspeakers (distributor), Classe’ Audio, Degritter Record Cleaning Machines, Esoteric, Finite Elemente, FirstWatt, Focal Loudspeakers and Headphones, GigaFoil, Harbeth Loudspeakers, Hegel, HiFi Man, Innuos, ISO Acoustics, Keces Power Supplies, Kharma Loudspeakers and Electronics, Kuzma Turntables, Lumin, Luxman, Magico Loudspeakers, MBL Speakers & Electronics, MSB Technologies, MySonicLabs Phono Cartridges, Nordost Cables, Ortofon, Pass Labs, Quadraspire, Rega Turntables and Electronics, Shunyata Research, STAX, Stein Music Products, Stillpoints, Soulution, VAC, Vicoustics, Viva Audio, VPI Industries, WireWorld Cables.
https://suncoastaudio.com/
Phone: 941-932-0282
Facebook: https://www.facebook.com/Suncoast-Au...1105178279194/
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December 11, 2021, 11:16 PM #12
Re: Active Turntable Isolation
Dre - your comments are a bit confusing. The active units will not be effective on a sub floor, but the video shows a shaking floor.
Sent from my iPhone using Tapatalk ProMy Systems: http://www.audioshark.org/showthread...481#post158481
"We can hear everything we measure, but we can't measure everything we hear. Let your ears be your guide."
Dealer for: Aqua Hi-Fi, Aurender, AudioQuest Cables & Power Products, Berkeley Audio, Block Audio (distributor), Boulder Amplifiers, Bowers & Wilkins (B&W), Bryston, Clarisys Audio Loudspeakers (distributor), Classe’ Audio, Degritter Record Cleaning Machines, Esoteric, Finite Elemente, FirstWatt, Focal Loudspeakers and Headphones, GigaFoil, Harbeth Loudspeakers, Hegel, HiFi Man, Innuos, ISO Acoustics, Keces Power Supplies, Kharma Loudspeakers and Electronics, Kuzma Turntables, Lumin, Luxman, Magico Loudspeakers, MBL Speakers & Electronics, MSB Technologies, MySonicLabs Phono Cartridges, Nordost Cables, Ortofon, Pass Labs, Quadraspire, Rega Turntables and Electronics, Shunyata Research, STAX, Stein Music Products, Stillpoints, Soulution, VAC, Vicoustics, Viva Audio, VPI Industries, WireWorld Cables.
https://suncoastaudio.com/
Phone: 941-932-0282
Facebook: https://www.facebook.com/Suncoast-Au...1105178279194/
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December 11, 2021, 11:22 PM #13
Re: Active Turntable Isolation
You know this but for those who don't, I'm only providing information and use experience with the product. I'm not affiliated with Minus K in any way (relationship, reviews, marketing, photography, etc.). I purchased the product like anyone else would have.
I know suspended floor foot-fall and feedback issues can be a problem and can sometimes be very difficult to find a solution.
Good luck with whatever device you select. There are many out there.
Dre
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December 11, 2021, 11:23 PM #14
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December 11, 2021, 11:24 PM #15
Re: Active Turntable Isolation
My Systems: http://www.audioshark.org/showthread...481#post158481
"We can hear everything we measure, but we can't measure everything we hear. Let your ears be your guide."
Dealer for: Aqua Hi-Fi, Aurender, AudioQuest Cables & Power Products, Berkeley Audio, Block Audio (distributor), Boulder Amplifiers, Bowers & Wilkins (B&W), Bryston, Clarisys Audio Loudspeakers (distributor), Classe’ Audio, Degritter Record Cleaning Machines, Esoteric, Finite Elemente, FirstWatt, Focal Loudspeakers and Headphones, GigaFoil, Harbeth Loudspeakers, Hegel, HiFi Man, Innuos, ISO Acoustics, Keces Power Supplies, Kharma Loudspeakers and Electronics, Kuzma Turntables, Lumin, Luxman, Magico Loudspeakers, MBL Speakers & Electronics, MSB Technologies, MySonicLabs Phono Cartridges, Nordost Cables, Ortofon, Pass Labs, Quadraspire, Rega Turntables and Electronics, Shunyata Research, STAX, Stein Music Products, Stillpoints, Soulution, VAC, Vicoustics, Viva Audio, VPI Industries, WireWorld Cables.
https://suncoastaudio.com/
Phone: 941-932-0282
Facebook: https://www.facebook.com/Suncoast-Au...1105178279194/
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December 11, 2021, 11:28 PM #16
Re: Active Turntable Isolation
I'd suggest the BM-1 model if you are going to place it on your own shelf. It has the effectiveness down to 1/2 Hertz in both vertical and horizontal planes.
I also suggest reading a bit more to make sure it is what you want. For me it just works.
Dre
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December 12, 2021, 12:03 AM #17
Re: Active Turntable Isolation
Maybe get a TechDas Air Force? 😉
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December 12, 2021, 12:04 AM #18**************************************************
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December 12, 2021, 12:31 AM #19
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December 12, 2021, 12:42 PM #20
Re: Active Turntable Isolation
three mfr i know of use the Minus K: Marc Gomez of Swedish Audio Technology has a bespoke model made for his new DD table. Mark Dohmann who was involved with Caliburn has a bespoke Minus K inside of his tables. Touraj Moghaddam of Roksan fame now with Vertere also offers a bespoke Minus K for his tables. Incidentally, Frank Kuzma's offering is active.
I got the nickel your of Minus K's facility, Steve Varma was kind enough to show me around and I observed various units in different stages of completion. He does a ton of business with audio guys, a number of the units I saw were headed to TT owners. He was also building a custom pair for SET mono amps.
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March 30, 2022, 02:31 PM #21
Re: Active Turntable Isolation
Mike, maybe try a Hexmat... ... a different take on vinyl isolation, but it works very well .
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March 30, 2022, 03:01 PM #22
Re: Active Turntable Isolation
My Systems: http://www.audioshark.org/showthread...481#post158481
"We can hear everything we measure, but we can't measure everything we hear. Let your ears be your guide."
Dealer for: Aqua Hi-Fi, Aurender, AudioQuest Cables & Power Products, Berkeley Audio, Block Audio (distributor), Boulder Amplifiers, Bowers & Wilkins (B&W), Bryston, Clarisys Audio Loudspeakers (distributor), Classe’ Audio, Degritter Record Cleaning Machines, Esoteric, Finite Elemente, FirstWatt, Focal Loudspeakers and Headphones, GigaFoil, Harbeth Loudspeakers, Hegel, HiFi Man, Innuos, ISO Acoustics, Keces Power Supplies, Kharma Loudspeakers and Electronics, Kuzma Turntables, Lumin, Luxman, Magico Loudspeakers, MBL Speakers & Electronics, MSB Technologies, MySonicLabs Phono Cartridges, Nordost Cables, Ortofon, Pass Labs, Quadraspire, Rega Turntables and Electronics, Shunyata Research, STAX, Stein Music Products, Stillpoints, Soulution, VAC, Vicoustics, Viva Audio, VPI Industries, WireWorld Cables.
https://suncoastaudio.com/
Phone: 941-932-0282
Facebook: https://www.facebook.com/Suncoast-Au...1105178279194/
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March 30, 2022, 04:15 PM #23
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AudioShark forum is a leading forum site for High End Audio Discussion, Stereo System Discussion, Home Theater System Discussion, Best Home Stereo System Discussion, Home Theater Installation Discussion etc.
The AudioShark forum was created for sharing the passion of high-end Audio. We have Audiophiles from all over the world participating and sharing their knowledge. From novice to experts, you will find a friendly environment for discussing about High End Audio, Stereo System, Home Theater System, Home Stereo System, Home Theater Installation, Amplifiers, Speakers, Subwoofers, Integrated System, Acoustic treatments & Digital Room Corrections and many more.
At AudioShark, we also have incorporated an exciting Marketplace where members can peruse terrific buys on used gear, as well as meet dealers and discuss the purchase of new gear.
We are as crazy about this hobby as you are! So come on in and join us! Audioshark.org the Friendliest Audio Forum!
Industry Participation Disclosure : The owner and administrator of Audioshark is the owner of Suncoast Audio LLC in Sarasota Florida. Suncoast Audio has a full brick and mortar presence in Sarasota with several great show rooms with many world class brands. More information can be found at http://www.suncoastaudio.com
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