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In Reply to: RE: Rumour posted by Des on October 02, 2015 at 17:12:29
>[Rumour] is his posting on another forum "outing" the facts to the design
>of the Revel speaker being credited to the wrong person.
I read Greg Timbers' original post on this subject and was puzzled by it,
as he was wrong about the facts. Revel's original designer was Kevin
Voecks, of Mirage and Snell and had been hired by the late Sandy Berlin
when Sandy started the company as a spin-off from Mark Levinson Audio
Systems prior to the sale of the brands to Harman.In his forum post, Greg had described Kevin as a "marketing person" who
knew nothing about speaker design. This was incorrect, as Kevin's designs
for Mirage and Snell had been impressive - see link below - and Kevin
headed the Revel design team, which included Domenic Buonincontri and
Mark Glazer after the sale to Harman. Greg was correct, however, in
crediting Mark Glazer for his work for Revel. Mark was primarily responsible
for the design of Revel's current Performa speakers and from my own
conversations with Mark, I believe Mark to be an engineer's engineer.
John Atkinson
Editor, Stereophile
Edits: 10/03/15 10/03/15 10/03/15Follow Ups:
The Snell AII and AIIIi had a unique peculiar sort of treble coloration that was unforgettable. In my own experiments I accidentally stumbled on the source of this coloration by duplicating it many years later. I have concluded that the speaker produces strong lateral reflections in the range of 6-7 kHz. The reason for this anomaly is the polyurethane glued to the front of the tweeter that reduces its on axis output relative to its off axis response. I was told by Snell's mother at a trade show shortly after Peter's death that the purpose of the polyurethane was to improve off axis treble dispersion. This made sense. I listened to this strange and interesting sound for several hours and then altered my own design (which achieved this effect through a different route.) I've never had any desire since to hear it again now that I know what it is.
Snell AIIIi and Revel Salon Ultima verson one had a rear firing tweeter. Revel Salon Ultima version II didn't. This seems odd in light of Toole's conclusion that early lateral reflections were desirable. Beranek came to the same conclusion.
to being slightly perplexed at the outcome --for such an obviously sincere Team player all
those years--like I said --a hanging offence?-- to merely 'correct' some anomalies that appear
to cloud the perceptions of whom/who did/designed what--
90 minutes and escorted from the building for seemingly that post alone?
I'm struggling to comprehend that was the only reason--
Des
PS :Oh yes JA Thank you for the link and forthright reply-- appreciated
Nt
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