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You missed out Music Reference

Roger Modjeski was showing his 'new' ESL speakers. I put new in inverted commas because he said the demo pair was ten years old but he is only now producing them for sale. He gave a 30 min lecture on ESL design on Saturday evening and his approach to bass reproduction - he uses small sealed sub-woofers sharply crossed-over at 100Hz-ish (can't remember for sure). The subs have 8" drivers working below resonance in acoustic suspension mode. He prefers several small subs distributed in the room as the best match for panels. The ESL panels are $10k a pair and are line sources designed not to beam.

I was wandering the halls at close of show on Sunday and made it in to the last Magneplanar demo. I didn't get to sit in the hot seat because that was reserved for Jonathon Valin & Julie Mullins of TAS. The sound was very nice but I didn't hear any particular imaging magic. Wendell said that the set-up only works for one hot-seat, which Julie confirmed on the way out. Wendell also said that the three speaker approach is not a commercial venture, it's just a gimmic he's put together for dealers to stimulate interest in maggies, not to sell them in three's. He wouldn't say how the processing was done but James Bongiorno was a proponent of three channels using a Blumlien shuffler approach to create sum and difference channels (see link)

Regards
13DoW

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