Minus K Technology
Since the early 2000s, Minus K Technology, the developer of Negative-Stiffness vibration isolation, has released several vibration isolation platforms for the high-end audio market. These products have been accepted with high acclaim by audiophiles and audio system manufacturers worldwide.

The industry's highest performing vibration isolation system is now available in a cost-effective, low-height platform.  The BM-8 Series vibration isolation platform offers true ½-Hz isolation performance vertical and 1.5 Hz horizontal and is easy to use.  No air or electric power is required, there is no maintenance and nothing to wear out.  It is 18”Wx20”Dx4.6”H and is available with nominal load capacities from 25 to 250 lbs.  It is ideal for turntables, CD transports and other audio components. a significant advance in sound quality in a very compact package for high-end audio perfectionists.

The latest generation of Negative-Stiffness vibration isolation technology, embodied within the new ultra-thin, low-hieght CT-1, truly represents a significant advance in sound quality in a very compact package for high-end audio perfectionists.

Our BM-1 Series platform offers Minus K's signature 0.5 Hz performance, both vertical and horizontal, and is available for larger and much heavier audio components. The BM-10 Series offers smaller horzontal dementions at 12.2 W x 12.2 D x 4.6 H (310mm W x 310mm D x 117mm H).

Doehmann Helix 1 (BM-8 fully integrated)

Doehmann Helix 2 (BM-10 fully integrated)

BM-8 with a Simon York Turntable

BM-8 with a VPI Scoutmaster Turntable
BM-8 with a Spiral groove sg1.1 with kuzma 4 point arm and MySonic labs ultra eminent ex cartridge

Custom BM-8C with a TW Acustic Raven AC turntable with a Schroder DPS arm and a Miyabi 47 cart

Two BM-8s under Micro Seiki 8000
(top) BM-8 under Ypsilon VPS 100 phono preamplifier
(bottom) BM-8 under Ypsilon PST-100 Mk. II preamplifier
BM-4 with a Tube Amplifier on a wood 2nd floor
SAT (Swedish Analog Technologies) XD1 Record Player System with Minus K CT-1 [integrated into the platform]

1950 Rim Drive on BM-8 with WS-4 Stand

Ken Fritz's Custom Designed Turntable on Custom BM-1
Video of Ken Fritz's Custom Designed Turntable

Clearaudio Master Innovation Turntable on BM-8

BM-1 under Simon Yorke S7 archival turntable with dual-armboard and SME tonearms. A Nikon 150x microscope with a 5-10 micron resolution graduated reticle and fiber optic lighting is mounted over the platter
BM-8 under Simon Yorke S10 CAT
(Compact Archival Turntable)

Read the Audio Testimonials:

Audio Testimonials

Read the Audio Reviews:

BM-8 review by Widescreen Review audio at: www.minusk.com/content/in-the-news/WideRev_1012.html

Interview of David Platus by Michael Fremer on AnalogPlanet at:

BM-8 review by ecoustics.com at: www.ecoustics.com/electronics/products/articles/711145.html

BM-8 review by Tone Audio at: www.minusk.com/content/in-the-news/ToneAud_0607.html

BM-8 review by 6moons audio at: www.6moons.com/audioreviews/minusk/platform.html

Another review at: www.positive-feedback.com/Issue71/minus_k.htm

Pictures of customer applications are shown below:


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From Minus K: Microscope vibration isolation table, platform and bench top products, plus custom systems for anti-vibration and vibration free microscopy.

Those looking for partial solutions such as from materials or parts involving pads, mounts, mats, rubber feet, etc., might look further into our products for a more thorough solution.