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In Reply to: RE: Quad ESL in the making posted by AJ on August 22, 2016 at 18:26:51
I had one short demo of a Beveridge over 30 years ago and it was shockingly good spatial performance and tonal fidelity. Only problem was that it did not really do "loud".Though I don't really see how those would fit my listening habits I would want them anyways. Jealous.
Did you ever stack your quads when you had 2 sets?
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Hi thanks,
What I've done with the current Beveridge speakers is to eliminate the internal step up transformer and crossover of the Model 3's and now direct drive them with a custom Roger Modjeski made amp.
It eliminates the step-down in my tube amp and the step up drive transformer in the Beveridges lots more drive and detail for a very complex reactive load of the panels.
I drive the panels directly from the plates of the direct drive amp which has a simple 1st order cap filter to feed the panels everything at about 130hz and up...still a work in progress but sounding very very good.
I eliminated the weakest link... the subs.... and use a pair of dedicated REL S2 10" subs. This solves for almost everything with these speakers. My room is about 17x40 and is plenty loud 100db on peaks if I want -but I never listen that loud. The presentation of the Beveridge is quite haunting with the ability to hang instruments and voices in space.
On the ESLs i did stack them.. IMO overrated for the complexity introduced... certainly louder I used a futterman OTL on this set up.
The originals when refurbed are so coherent and have such a midrange purity it is hard to complain about some of their shortfalls.
Refurbished, they do excellent bass and play very loud. I venture that most people that complain never have listened to a properly refurbished pair.
Thanks.
AJ
I see you have an HK Citation 2.If that is rebuilt using the McShane upgrades,that is a fantastic amp to power the model 3s. I rebuilt one a guy up in upstate NY and he put new Plitron Vanderveen torroids in the crossover and he is Awe Struck at how good it is..The amp is only working from 200hz up so and he uses a pair Auriel subs and he had given me an update about six months ago on them.
You also have that nice Wyetech 845 SET amp that work well too. I need to get out my Acoustat Servos again but I may have a hard time hooking them to the CLXs.The Monoliths were easy because they were a single panel speaker.
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken
Didn't some of the beveridge designs come with their own built in OTL?
The transformer elimination trick is wonderful. Bet it does kick up performance another notch, particularly in dynamics and clarity. But I do listen to music with peaks well above 100 db very often.
How is the blending of the subs with the speakers? The beveridge were so quick, even at 130hz I have my doubts about smooth blending.
I didn't get a chance to hear stacked quads but it was always intriguing to me ever since I read about the concoction Levinson built out of stacked quads a Decca ribbon and a hartley sub. You are the first I found to have done the deed and come away disappointed.
Yes, the Model 2 Beveridges came with a direct drive OTL amp in the base-
Those are the Beveridges that I am familiar with...
Happy Listening
And it just so happens that Roger designed and built the direct drive amps for the Beveridges too!
I didn't get a chance to hear stacked quads but it was always intriguing to me ever since I read about the concoction Levinson built out of stacked quads a Decca ribbon and a hartley sub. You are the first I found to have done the deed and come away disappointed.
I heard an HQD system back in the 70s. Through the Atlanta Audio Society, JWC heard of a guy in Macon who had an HQD setup. I rode with him one Saturday to hear them. For me, stacking addressed the "iistening down" to them issue with respect to delivering a realistic image size. The ML class A amps were only 25 watts each so it really wasn't a case of their producing high output levels. I confess that in the end, I still preferred JWC's Dayton-Wrights overall.
Like my Sound Labs, the Beveridge is a tall line source that can produce very nice sound indeed via their unique aperature. I heard a pair of them at JWC's during a review period.
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