Essence For High Res Audio

because music is the essence of life

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About Essence

Bob head shot 6Thanks for visiting Bob Rapoport’s Essence For Hi Res website. We manufacture and sell Hi Res Audio products and accessories including Class D Amps, HDMI / USB DACs, Electrostatic Speakers, Acoustic Energy Speakers from the UK, the new “effeqt series” speakers from Germany’s Ceratec, and Presonus Sceptre Powered Studio Monitors and Temblor Subs. Nobody knows more about the products we sell than we do and eliminating the middle-men makes Essence and its companion products an extraordinary value.

Growing up in 1960’s in No. Hollywood, Calif, I was surrounded by the best movie theaters in the world; Graumann’s Chinese, The Pantages, Egyptian, Paramount were movie palaces with big screens and big audio systems. In grammar school I was the film projector monitor at school. In junior and senior high, I managed the AV department including running the carbon arc projector in theklh triple nines school’s auditorium’s and the PA system at sporting events.  I was the original geek squad.

I installed all the phono cartridges and set up turntables for all my friends and their parents.  I caught the hi- fi bug early, building Dyna kits at home.  I was very fortunate to grow up around the best hi fi of the day, we had Triple KLH 9’s, 3 per channel in the early 1970’s this was the state of the art.  We listened to open reel master tapes of live classical concerts by the LA Philharmonic with dynamic range surpassing the vinyl album versions of those same concerts.  It was easy to hear a 20 dB difference!

After college, I started a long and successful sales and marketing career in the audio industry, my most important mentor was Dr. Amar Bose.  I’ve been at the leading edge for some of the biggest improvements over the years, introducing and selling the sae-2600_82188most important audio technology milestones in history; the first big Class AB high-end power amps of the solid state era by SAE; the Acoustech 10 full range electrostatic speakers and headphones by Arthur Janszen at Koss Electrostatic; the Heil Air Motion Transformer by ESS, the first digital surround sound add-on called the Audio Pulse Time Delay,  the first audiophile software by Mobile Fidelity Sound Lab; the first DTS consumer digital surround decoder for Laserdiscs and first 5.1 channel DVD-Audio discs; Exact Power AC Correction,  the first really great power conditioners in the 1990’s.  My idea for the world’s first modular electrostatic speakers by Final in the Netherlands won Best New Speaker of the Year 2002 at Innovations 2002 TrophyCES.  In 2004 I pioneered the introduction of HDMI digital connectivity to the ProAV channel for high resolution digital audio and video in corporate settings and for Uncle Sam.

I’ve been the leading advocate for the adoption of Blu-ray Music Concerts in native, uncompressed 24/96-192K hi res audio. To find the holy grail of high fidelity, you need the best content and the best audio components. As an “original audiophile” from the early 70’s, I have the historical context to know what high resolution audio is and how to achieve it.

In 2015, I am still leading the way with Sound & Vision’s Top Pick 2014 USB DAC / Headphone amp, the HDACC; a new category killer Class D digital power amp, and some very special speaker designs by Acoustic Energy UK, Presonus USA, and Ceratec of Germany.







  1. By: Bob Rapoport

    on: June 13, 2013 .

    Thanks for your question David. Studer Revox open reel deck with Audio Research amplification, playing master recordings of live symphony orchestras. The dynamic range was not compressed, I heard what was possible from a hi fi system via analog back in the 70’s, that’s been my benchmark ever since. All these years we waited for a storage media that didn’t sacrifice the dynamic range to fit the media, now Blu-ray is here with 50 gigs of data storage and the audio is uncompressed, bit for bit identical to the original.

  2. By: David Drake

    on: June 13, 2013 .

    I am curious. What Reel to Reel machine did you use with the triple KLH 9s, and what electronics?.

    Yours for true sound

    David Drake


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Main Office

Bob Rapoport, CEO
Essence For High Res Audio & More
St. Petersburg, FL
Phone: 727-580-4393

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