Isophon Enigma Masterpiece Edition

May 02, 2020  An iconic recording of Sir John Barbirolli dedicated to Edward Elgar’s masterpiece, the Enigma Variations, together with the Cockaigne Overture, all performed with passion by Barbirolli and the Philharmonia Orchestra. Remastered from original tapes in 24-bit/192kHz. Nightmares from the Deep™: Davy Jones, Collector's Edition G5 Entertainment AB. Rainbow Blocks Lite Charcoal Design. Lucky Stars - Pop All the Stars in Sky CronlyGames Inc. RealMyst: Masterpiece Edition Cyan Worlds. Nightmares from the Deep: The Cursed Heart, Collector’s Edition. The Final Enigma Artifex Mundi S.A. Doodle God™ Free.

Isophon Arabba Loudspeaker

Summary

  • Product Name: Arabba
  • Manufacturer: Isophon
  • Review Date:January 12, 2009 13:30
  • MSRP: $37,000/pair
  • First Impression: Gotta Have It!

Executive Overview

Isophon – Western Electric – Venetian Rm – Floor 30 Room 319– Isophon Arabba Loudspeaker – Shown with Marcassa Ebony and Ceramic AccutonDrivers, but is also available with the Diamond Accuton Tweeter as well. At thebooth was a German Professor of Physics named Roland Galdo who spent an hourexplaining to me the process of design that went into the Arabba. Having accessto a Cray Supercomputer at Stuttgart Universityin Germanywhere he is a professor, Roland modeled the drivers measured data, theenclosure and the crossover network. According to him this required 32simultaneous mathematical equations to solve with 800 unknown variables.Fortunately he has access to a Cray Supercomputer at the University and spent 6months crunching numbers to create the best possible loudspeaker system.(Roland explained a PC would be simply too slow for this..) When asked thedistortion of the midrange and tweeter, the answer was zero. This too may havebeen a mathematical estimation, the real number being some infinitesimallysmall fraction of one, but at that point, who is counting? (Besides Roland andhis Cray I mean).

The sound was impressive, indeed perhaps flawless and thecabinet as beautifully crafted as it was meticulously designed. The crossoverwas rather unusual, perhaps completely unique and uses a technique where theresponse of a notch filter is simulated, and somehow divided into two, topassively achieve a slope of more than 70db/Octave, without the need for 12components per section (for a three way speaker that would require 48 parts ata minimum.) Roland, it seems got away with only 32 parts, oddly enough the samenumber as the number of equations he let the supercomputer crunch. Animpressive accomplishment even for those of us who never use all the buttons onour calculators! Turns out, after 6 months of computation the best cabinetshape (As far as practicality is concerned) is a flat front, a flat rear andtwo sides of equal and constant radii. MSRP of the Isophon Arabba starts from$37,000 per pair.

For more information, visit: Isophon

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admin, post: 508494
The Isophon Arabba Loudspeaker was shown with Marcassa Ebony and Ceramic Accuton Drivers. At the booth was a German Professor of Physics named Roland Galdo who spent an hour explaining to me the process of design that went into the Arabba. Having access to a Cray Supercomputer at Stuttgart University in Germany where he is a professor, Roland modeled the drivers measured data, the enclosure and the crossover network. According to him this required 32 simultaneous mathematical equations to solve with 800 unknown variables. The sound was impressive, indeed perhaps flawless and the cabinet as beautifully crafted as it was meticulously designed.
Discuss “Isophon Arabba Loudspeaker” here. Read the article.
I found it fascinating that a perfect speaker cabinet has a front,back & two sides
It's just marketing. You know….the numbers game.
My calculus knowledge says you need N equations if you have N unknowns, to solve for all unknowns. I'm not sure what that means for 32 equations and 800 unknowns, but my guess would be you have to randomly pick values (or make educated guesses but any value is fine) for 768 of them…which means they are no longer unknown variables.
???
Post Reply

Sir John Barbirolli – Elgar: Enigma Variations, Op. 36 & Cockaigne Overture, Op. 40 (2019)
FLAC (tracks) 24-bit/192 kHz Time – 45:18 minutes 1,68 GB Genre: Classical
Studio Master, Official Digital Download Front Cover © Warner Classics

An iconic recording of Sir John Barbirolli dedicated to Edward Elgar’s masterpiece, the Enigma Variations, together with the Cockaigne Overture, all performed with passion by Barbirolli and the Philharmonia Orchestra. remastered from original tapes in 24-bit/192kHz

Whilst this recording was being made in 1962, the BBC was preparing a film documentary on the life of Elgar to mark the 100th edition of its arts programme Monitor. Produced by Humphrey Burton and directed by the late Ken Russell, Elgar was first broadcast on 11 November 1962 and became one of the most popular films of its kind ever shown on TV, and contributed to a marked revival of interest in the composer’s music. A still from the film is used on the sleeve.

According to the copy on the front cover advertisement of the album in the November 1962 GRAMOPHONE, Sir John Barbirolli was “a personal friend of the composer and it is true, having been a cellist in the orchestra at the premiere of Elgars Cello Concerto in 1919, he enjoyed a close rapport with the composer, winning his praise for his performances of the Introduction and Allegro for Strings and Second Symphony and becoming a great interpreter of Elgars music.

“…It is an absolutely outstanding performance, captured by the recording people as near to perfection as possible. I have never before heard so much beautiful detail so clearly, something obviously brought about by Barbirollis care in the first place and by the care of HMVs [EMIs] experts in the second. Thr bass is particularly strong and nothing that happens of interest down below in the cellos and bases is missed. But, indeed, the whole orchestral balance is first rate. He liked the performance too: “I must turn to Barbirolli and the really wonderful playing of the Philharmonia Orchestra in both works. Performances are, as one expects from Sir John, right from the heart, yet they are always guided by the head… and concludes “Even those who have this music on their shelves already should not miss this superb record.

Recorded on 9 May and 27 August 1962 at Kingsway Hall, London with legendary producer Victor Olof and engineer Harold Davidson.

Cut at Abbey Road Studios from the original stereo analogue master tapes with the Neumann VMS82 lathe fed an analogue pre-cut signal from a specially adapted Studer A80 tape deck with additional advance playback head, making the cut a totally analogue process.

Tracklist:
1. Variations on an Original Theme, Op. 36 “Enigma”: Theme (1:39)
2. Variations on an Original Theme, Op. 36 “Enigma”: Introduction – Variation I. L’istesso tempo “C.A.E.” (1:39)
3. Variations on an Original Theme, Op. 36 “Enigma”: Variation II. Allegro “H.D.S-P.” (0:49)
4. Variations on an Original Theme, Op. 36 “Enigma”: Variation III. Allegretto “R.B.T.” (1:29)
5. Variations on an Original Theme, Op. 36 “Enigma”: Variation IV. Allegro di molto “W.M.B.” (0:30)
6. Variations on an Original Theme, Op. 36 “Enigma”: Variation V. Moderato “R.P.A.” (2:16)
7. Variations on an Original Theme, Op. 36 “Enigma”: Variation VI. Andantino “Ysobel” (1:16)
8. Variations on an Original Theme, Op. 36 “Enigma”: Variation VII. Presto “Troyte” (1:04)
9. Variations on an Original Theme, Op. 36 “Enigma”: Variation VIII. Allegretto “W.N.” (1:52)
10. Variations on an Original Theme, Op. 36 “Enigma”: Variation IX. Adagio “Nimrod” (3:30)
11. Variations on an Original Theme, Op. 36 “Enigma”: Variation X. Intermezzo. Allegretto “Dorabella” (2:25)
12. Variations on an Original Theme, Op. 36 “Enigma”: Variation XI. Allegro di molto “G.R.S.” (1:00)
13. Variations on an Original Theme, Op. 36 “Enigma”: Variation XII. Andante “B.G.N.” (2:53)
14. Variations on an Original Theme, Op. 36 “Enigma”: Variation XIII. Romanza. Moderato. “* * *” (2:47)
15. Variations on an Original Theme, Op. 36 “Enigma”: Variation XIV. Finale. Allegro “E.D.U.” (5:35)
16. Cockaigne Overture, Op. 40 “In London Town” (14:40)

Personnel:
Philharmonia Orchestra
Sir John Barbirolli, conductor

Digitally remastered

Download:

mqs.link_SirJ0hnBarbir0lliElgarEnigmaVariati0ns0p.36C0ckaigne0verture0p.40201924192.part1.rar
mqs.link_SirJ0hnBarbir0lliElgarEnigmaVariati0ns0p.36C0ckaigne0verture0p.40201924192.part2.rar