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Looks the same as my Majestic except it appears to have two inductor cores. I did not see brilliance control?
@chungih, PS audio has 60-day return if you don’t like it. Uncle Paul says for the much investments, a little return shipping is well worth it because there is nothing more true than having the gear in your own system at your own listening environment.
Marvelous Loudspeaker7, I too reminisce the dimensionality produced by ADS, I think, a time delay not bigger than a preamp that allows you to select the ambience of a small club night club, concert hall or inside of a cathedral church. I got to look it up SDP1.
@Massimo & John V,
Loudspeaker? had custom grill on a pair vintage SL-A1s (early 80s) that I also have. I was thinking about pairing it up with my main Majestics to add ambience. But didn’t know how to properly hookup the speakers.
@loudspeaker7, are you running 2 pair of SL or just 2 separate systems in the same room?
@chungjh, are you currently hooking up the speakers or class D amp to any power conditioners? if not, try plugging the amp into any power conditioners that are not current limiting. Do the same to the speakers and you will hear more punch.
@cgybgjh, how did you like the 300 watt Brooklyn class D amp to merit you into considering other class D?
You can hear improvements, slam & dynamic starting with the P5.
No worries I have similar footage except my ceiling is higher at 15 ft. You have enough to enjoy the SL with the mono blocs you have.
Hi John, it’s good to hear from you again. This is important to me as my hair turned grey and now Will had passed away a few year back. And we met again in full circle. I am retired so I finally get around to updating M854PX vintage 2015.
I want to clarify if the core inductor hooked up to the bass transformer should be removed also in the mod? Will told me to rip everything out except for the power supply, bass transformer and add small value extra high voltage caps between AU90 and bass transformer but did not mentioned core inductor.
Ha ha John, I think you were the one who sold me your unused AU90 about 5 years ago? If not, thank you along with D10 and Hifibuff for all your help. I am going to get interestingly busy to tackle the long awaited project over the holidays.
I just responded to a SLOG member about the new Prestige 1 speakers. Don’t expect Earth Shattering improvement, although the AU90 mod was and is an earth shattering improvement over stock. I was bothered by the mid range suck out in the 100 hertz to 160 hertz region in my M845s. No reviewer ever highlighted this flaw in any of the reviews. Evidently, we listen with our wallets, and the pocket is deep enough to silence any upfront critics in this smoke and mirror cottage industry of hi end stuff. When I get to audition Lew’s system in Maryland with the mod, the speakers transformed. It became so efficient that the music came through with utterly clarity and punchiness. I guess all the signal was not being absorbed by the passive components in the stock back plates. Mostly importantly, the mid range suck out was remedied.
Me neither but I can safely say don’t expect earth shattering improvement over prior models except more aesthetically pleasing yes.
To grg3939, cosmoman: Like you I switched as my taste in music evolved during this journey. I didn’t realize how much more darker sounding the MA1s were after auditioned other high powered tube mono blocs. MA1s had a palpable mid range and slightly quicker but Wolcott had a full bodied sound from top to bottom with a very relaxed pacing suitable for jazz quartet and voice. I still prefer the Wolcott as it conveyed emotion but Class D is, a little dry sounding at the top, more versatile and does the job for most musical passages. All my signal sources are still tubed. Not perfect but I think within the next few years class D will get there. My class Ds are Hephaestus Olympus mono blocs. I compared it to newer generation of class D like the highly reviewed Benchmark, not that much difference at all. I had Acoustic Imagery Atash also that worked well with SL but Hephaestus is smoother because of the MOSFETs at output. My first class D was Cherry mono blocs that smoked Pilinus, and other mid fi SS amps. For dollar to performance ratio, class D is way to go.