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RE: Roger Modjeski and direct-drive ESL amplifier

Hi Lew

Work continues on my Beveridges and I have ordered a crossover and subs from RM. The DD are in sight for the New Year.

I am not sure how how he would vary the polarizing voltage required in his amps for various speakers- this would be another question for him.

I am interested in DD'ing the Quads ( 57 & 63s) to compare to the Beveridges.


From his website :


"Hi,

I am bumping this topic to go along with the discussion on direct drive for all ESLs, including mine. In the process of making a pair for my speakers I have found how to adapt them to the QUAD 57, 63 and all that have followed. They also will drive the largest 8 panel Acoustats, all Beveridge systems, Sounds Labs and a host of others "

Looks like he claims it can be done..........





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