Soundlab Audiophile G9-7c: a 30-year odyssey fulfilled

We continue our listening with the SL G9/7c today. A brief detour with the original Quads was useful in realizing how much better the large SL’s are. Of course, it’s a different price point and a hugely bigger profile. But size matters in electrostatic loudspeakers and once you hear the purity of the G9/7c, there’s no returning to previous Quads or any box loudspeaker. We are enjoying the 16th century Renaissance composer Palestrina, the master of counterpoint. This album is part of a complete cycle by The Sixteen. The purity of voices is quite remarkable. You are bathed in the acoustic with the large SL’s. It’s the closest to being at the actual recording venue that I’ve experienced.

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Picked up this wonderful CD at the farmer’s market today. It was recorded live at the nearby Mountain View farmer’s market (the place where Google is headquartered). Very nicely recorded with lots of space between the musician playing guitar and harmonica and the microphone. On the big SL, it sounds like the guy actually sounded live at the market.

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Listening to the amazing Louis Armstrong on an SH-MCD. A recording made 60 years ago in 1964 that still sounds wonderful on this pressing on the big SL’s.

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We are listening to another SH-MCD of the popular Fleetwood Mac album Mirage. I’ve listened to this recording for decades in countless versions, but this pressing blows them all away. The warmth is amazing. The SH-MCD process restored analog warmth missing on a lot of digital recordings. On the big SL’s, the sound is very spatial of course in the usual pop artificial manner, but appealing nonetheless.

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Well, I hope all is well with the loyal following to this thread. I'm just back from a visit to Germany which took me to the very picturesque area around Diesen and to Acoustical Systems where Dietrich Brakemeier has his no holds barred analog manufacturing and I have no doubt experienced one of the most amazing presentations of music in his music demo room. Highly recommended if anyone happens to be around Munich. I've made two small efforts to try capture some of the location, experience and story if anyone has the patience to watch my youtube video (no worries if you don't!) The hospitality was wonderful and bed&breakfast by the lake was amazing!
Part I

Part 2
 

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Listening to pop albums on the big SL’s is an interesting experience. These albums are so compressed that they often sound awful. They’re largely engineered to sound good on car stereos and Apple earbuds. If a loudspeaker designer uses rock music to demo their products, it’s a bad sign. They have no clue what high fidelity is all about. Seek out loudspeaker designers that try to reproduce the. “Absolute Sound” of live music in whatever genre you care to listen, from folk to jazz to classical to choral to country. If you only listen to highly processed studio pop albums, you’ve no idea how a human voice sounds without electronic enhancement.

I just listened to a live opera of Verdi’s Rigoletto in San Francisco opera. No microphones or loudspeakers were used. A huge hall, natural voices and orchestra, yet dynamics on my box seat close to the stage exceeded 100 dB. A human voice is capable of staggering volume. The lead singer who sang the title role of Rigoletto, the court jester whose cursed by a nobleman whose daughter is molested by the Duke, was so good that his voice brought the huge auditorium to its feet. Staggering crescendos and whisper soft pianissimo — that’s what live uncompressed music is all about. Studio pop albums are just awful in terms of any semblance to high fidelity.
 
Well, I hope all is well with the loyal following to this thread. I'm just back from a visit to Germany which took me to the very picturesque area around Diesen and to Acoustical Systems where Dietrich Brakemeier has his no holds barred analog manufacturing and I have no doubt experienced one of the most amazing presentations of music in his music demo room. Highly recommended if anyone happens to be around Munich. I've made two small efforts to try capture some of the location, experience and story if anyone has the patience to watch my youtube video (no worries if you don't!) The hospitality was wonderful and bed&breakfast by the lake was amazing!
Part I

Part 2

Hi Chris,

Do you have any information regarding the dimensions of the Acoustical Systems demo room?

Regards,
Aaron
 
Hi Chris,

Do you have any information regarding the dimensions of the Acoustical Systems demo room?

Regards,
Aaron
Hey Aaron, His room is 42.5 sqm and ceiling height is 263cm. There is an opening at the back of the room to a connecting room - it is 'barricaded' by a diffuser wall, but partially open,.... if that is included his room(s) are 59sqm. Oh ... and his 2nd listening room in preparation is about half the size of the room with video - I don't know exactly, but a fairly compact room - maybe 20sqm.
 
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Chamber music is not only wonderful to listen to, it’s also a really hard test for a loudspeaker. We are listening to clarinet trios featuring the Oslo Trio on DSD. The violin is on the left, the clarinet on the right and the piano is naturally balanced on the middle. Sounds simple to reproduce but any glare on the clarinet or violin sticks out like a sore thumb.

A loudspeaker has nowhere to hide, so to speak, when asked to reproduce such recordings. The SL G9/7c excels at this task because it is designed to minimize midrange colorations and is an extremely simple design — no crossover, one panel and the size gives it an ease that escapes smaller loudspeakers. Of course, it’s easy to say this, but it’s hard to execute such a simple design to perfection. The SL uses the laws of physics in its favor and doesn’t fight it, like box loudspeakers that have to deal with crossover issues and box coloration. The SL has neither a box nor a crossover, so you eliminate problems at the source.

It’s very much like my Tesla Model S. Unlike internal combustion engine cars, where you have spark plugs, timing belts, fuel and oil filter, transmission gear boxes etc., and a million things can go wrong, my Tesla has reduced the automobile to its barest essence. A large lithium battery pack, no gears and other than changing tires every 30,000 miles or so, there’s precious little that can go wrong. In the past six years I’ve owned my Tesla, it has needed no maintenance. I’ll drive it till I drop dead. It can go a million miles. I have unlimited supercharging, so there’s no fuel costs. Gas is really expensive in California.

Well, why doesn’t everyone rush out and buy a Tesla? You got me. Similarly why doesn’t everyone on WBF buy an SL? It’s the best investment an audiophile can make. But they don’t. They end up with highly colored moving coil box loudspeakers that have a zillion colorations due to the complexity of the design. Exactly like EVs vs. ICE cars. Humans are a strange bunch of creatures.

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Another DSD chamber music recording with clarinet quartets of Mozart, although I think these are transcriptions of his other works. Again, a beautifully balanced recording that sounds splendid on the SL G9/7c because it excels at reproducing naturally balanced recordings, not electronic studio pop or rock. Here the clarinet is set well back, so you can hear the ambience of the venue. It is not harsh and has no midrange glare. No screeching metallic tweeters to run away from here. You can stand one foot away from the huge panels and enjoy it. Don’t try it with one of the audiophile box loudspeaker monstrosities with their squealing beryllium tweeters. You’ll have your ears fried.

The melodies on this recording could only have come from Mozart. You have to marvel at how much music he wrote in his short 35-year life span.
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Another do-or-die test for loudspeakers is reproducing human voices, which we know all too well hearing it everyday of our lives. Most audiophile loudspeakers are disastrously bad at reproducing voices. Here we are listening to the magical entrancing music of Hildegard von Bingen, an abbess who lived a thousand years ago. Her music is simply beyond description. In this fine recording, the early music group Sequentia perform a morality play, the earliest ever written on virtue their voices sound glorious on the large SL G9/7c, transporting you back a millennium. Time travel is possible thanks to the combination of this recording and the ability of the SL to faithfully capture human voices without electronic degradation.

We can use Google’s AI Overview to describe this astonishing piece of music between the dissonant sounding devil and the melodic sound of virtues.

[EDIT:] A.I. content removed. Members are welcome to look the results themself.

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With all due respect sir, there has been a huge debate over this. We would rather hear your thoughts from your own mouth, versus A.I.

Just as a refresh on this...

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Please read the last sentence.

Tom
 
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Missing my free and awesome music education from godofwealth...
(as well as the Sound Lab content)
I 2nd. the music education comment!

With all due respect sir, there has been a huge debate over this. We would rather hear your thoughts from your own mouth, versus A.I.

Just as a refresh on this...

1758600210874.png

RE AI, I wasn't aware of the banning of AI input. But I applaud the decision. However, after just reading "The Class of 2026: AI is doing to the universities what Gutenberg did to the monasteries", AI generated input noted as such, can be policed. But while a laudable task on especially a forum for personal experiences and their input, it would seem an impossible task to censor copied AI input, not identified as such.
 
Well, I hope all is well with the loyal following to this thread. I'm just back from a visit to Germany which took me to the very picturesque area around Diesen and to Acoustical Systems where Dietrich Brakemeier has his no holds barred analog manufacturing and I have no doubt experienced one of the most amazing presentations of music in his music demo room. Highly recommended if anyone happens to be around Munich. I've made two small efforts to try capture some of the location, experience and story if anyone has the patience to watch my youtube video (no worries if you don't!) The hospitality was wonderful and bed&breakfast by the lake was amazing!
Part I

Part 2
What a great experience in one of the most creative, aka Bohemian, cities in Europe. Great looking room and interesting treatment of the sidewalls. I'll bet it sounded very focused and immersive. I recall hearing the big Soundlabs decades ago with Wolcott monoblocks. They cued up the famous Hugh Masekela track and..........
wow!
 
Re. SoundLabs, Pass Labs amplification in various forms, from as little as 60 Class A amp (XA) watts to 600 A to A/B (X) watts, have been widely mentioned.

A few weeks ago, I had the opportunity to pair my approx 5-year old SoundLab Majestic 845, XP panels with Pass X600.8 monoblocks. In return, the pairing has been marvelously sublime.

While the big 600-watt monoblocks remain in Class A approx 85% of the time, their meters do flutter into A/B territory occasionally on highly dynamic input. Before obtaining the 600.8's I was concerned with whether Pass A/B amps such as their X260 monoblocks, would have sufficient power with my S/L's and room. I reasoned that at times, that extra bit of overhead couldn't be bad. So, as the saying goes, I chose to "go big, rather than go home". But I would have enjoyed the chance to hear both the 260.8 monos compared to the 600.8 monos.
 
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