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75 years of JBL: 75 years of Loud + Clear!

Pulkass said:
My ears told me. I finally built my 3 way- 2 enclosures, heavy dampened, heavy braced, cement and fiberglass ballasted. Electronic X overed 3 amped, put in comparison with the jbl l100t , the jbl seemed to play behind a mattress. Clarity was lost detail was lost. I dumped them. Only kept the woofers. Fire place was happy.
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I'm sure it was the bracing, cement and fiberglass that added clarity.:facepalm:
 
Andysu said:
JBL 4673A motion picture loudspeakers five screen , 4645 series subs x2 , 8330 mk2 surrounds x11 , 8330A overheads x9 JBL 4682 TCB x2 JBL control 1 x11 JBL sb-2 x3 JBL 4312 , JBL control 5 , plus x9 , JBL control 12SR modified x12 , JBL mr centre , JBL HT1F x2 JBL 2371 x12 JBL G125 x12 , JBL well just about everywhere ? with cats as well
just bass loudness
jedi blaster lightsabers THX
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What's the big bottle of prescription meds in the first picture.
Headache pain meds or tinnitus reductions meds???
 
www.phileweb.com

JBLAuDD67000vuK2S9900v‚ª¶ŽYŠ®—¹BÅIŽó’‚ð–{“ú3/12‚æ‚èŠJŽn - PHILE WEB

JBLAuDD67000vuK2S9900v‚ª¶ŽYŠ®—¹BÅIŽó’‚ð–{“ú3/12‚æ‚èŠJŽn
www.phileweb.com www.phileweb.com

The DD67000 and K2 S9900 are finally going out of production. The last day to order in Japan, where I imagine there largest market for these speakers were, is June 30th.

Before the pandemic, in 2019, JBL had planned a new “Summit” series flagship for 2021. Hard to know in the present day and age if that is still coming.
av.watch.impress.co.jp

Mark Levinsonから約60万円のSACD「No5101」。JBLの新製品体験「HARMAN Sound Summit」

ハーマンインターナショナルは21日、現行モデルや新製品が体験できる東京・銀座のイベント「HARMAN Sound Summit in Tokyo」を、マスコミ向けに先行で公開した。イベントの日程は11月22日～24日まで。その中で、Mark Levinsonブランドのネットワークプレーヤー機能搭載のSACDプレーヤー「No5101」を2020年初旬に発売すると予告。価格は60万円。さらに、JBLの新スピーカー「L82 Classic」も発表。こちらは別記事でレポートしている。
av.watch.impress.co.jp

It will be the first JBL flagship without Greg Timbers, Charles Sprinkle, or Doug Button — but An Nguyen did a stellar job with the HDI line, so who knows? Maybe it’ll be an active speaker.
 
Poor Greg Timbers!!! He was so kind answering my letters in the 80s and e mails later. He made amazing products. Anyone got the JBL L 100 review in Rolling Stone mag 1971??? I was a subscriber but lost all the old very good issues.
 
The Everest IIs were originally designed to celebrate JBL's 60th anniversary. They were a major statement speaker first released in Japan and then worldwide.

By ten years later for the 70th anniversary things were looking a bit bleak at JBL and they celebrated their 70th with these.

JBL 70th.png


For the 80th, I will expect something like these but with additional graphics.

JBL 80th.png
 
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Such great new loudspeaker series, I am afraid they won't be really affordable for most though...

1747303681445.png


Newly Designed Complement of Speaker Drivers​

Summit Makalu features JBL's patented D2830K 3-inch (75mm) dual-diaphragm, dual-motor compression driver mated to a large format Sonoglass® High-Definition Imaging (HDI™) horn.

Anchoring the sound foundation of Summit Makalu are an 8-inch (200mm) cast-frame mid-bass driver and a 12-inch (300mm) cast-frame woofer. Both drivers utilize a triple-layer Hybrid Carbon Cellulose Composite Cone (HC4), a design made from a proprietary formula of carbon-fiber and pure-pulp front and rear surfaces, sandwiched with an internal core of closed-cell foam. This hybrid cone design provides the proper stiffness, overall mass, and structure to deliver high-output, low distortion, and high-power handling.

JBL MultiCap™ Crossover​

Controlling how the signal is distributed to each of the drivers in Summit Makalu is a MultiCap™ crossover network with single-wire and bi-amp/bi-wire connectivity.

By replacing traditional large capacitors with an increased number of smaller capacitors, this design results in lower ESR (Electrostatic Resistance) and less energy lost in mechanical movement. All of which results in greater signal throughput to the drivers, increased power handling, enhanced dynamics, ultra-low distortion, and exceptional clarity.

Crafted from Luxurious Materials​

All drivers and crossover components are housed in a beautifully engineered cabinet featuring internally offset multi-braced and damped curved-wall construction to minimize internal cabinet standing waves. Enclosures are offered in a choice of a high-gloss painted black finish with Summit platinum accents or high-gloss ebony wood veneer finish with Summit gold accents.

Anchoring Summit Makalu to the ground are a set of custom designed JBL | IsoAcoustic® isolation feet that resist the vibrational forces caused by a speaker’s drivers effectively decoupling the loudspeaker from the surface on which it resides. This isolation delivers tighter bass, an improved soundstage, and imaging with greater clarity and sense of space.

Overview

The Summit Makalu is a floor-standing loudspeaker built for the discerning music enthusiast. It features a newly designed complement of drivers starting with JBL's patented D2830K 3-inch (75mm) dual-diaphragm, dual-motor compression driver mated to a large format Sonoglass® High-Definition Imaging (HDI™) horn. Anchoring the sound foundation of Summit Makalu are an 8-inch (200mm) cast-frame mid-bass driver and a 12-inch (300mm) cast-frame woofer. Both drivers utilize a triple-layer Hybrid Carbon Cellulose Composite Cone (HC4), a design made from a proprietary formula of carbon-fiber and pure-pulp front and rear surfaces, sandwiched with an internal core of closed-cell foam. This hybrid cone design provides the proper stiffness, overall mass, and structure to deliver high-output, low distortion, and high-power handling.

Controlling how the signal is distributed to each of the drivers in Summit Makalu is a MultiCap™ crossover network with single-wire and bi-amp/bi-wire connectivity. By replacing traditional large capacitors with an increased number of smaller capacitors, this design results in lower ESR (Electrostatic Resistance) and less energy lost in mechanical movement. All of which results in greater signal throughput to the drivers, increased power handling, enhanced dynamics, ultra-low distortion, and exceptional clarity.

All drivers and crossover components are housed in a beautifully engineered cabinet featuring internally offset multi-braced and damped curved-wall construction to minimize internal cabinet standing waves. Enclosures are offered in a choice of a high-gloss painted black finish with Summit platinum accents or high-gloss ebony wood veneer finish with Summit gold accents. Anchoring Summit Makalu to the ground are a set of custom designed JBL | IsoAcoustic® isolation feet that resist the vibrational forces caused by a speaker’s drivers effectively decoupling the loudspeaker from the surface on which it resides. This isolation delivers tighter bass, an improved soundstage, and imaging with greater clarity and sense of space.

Highlights

  • Patented D2830K 3-inch (75mm) Dual-diaphragm, Dual-motor High-frequency Compression Driver
  • Patented High-Definition Imaging (HDI™) Sonoglass® High-frequency Horn
  • 8-inch (200mm) Cast-frame, Triple-layer Hybrid Carbon Cellulose Composite Cone (HC4) Mid-bass
  • 12-inch (300mm) Cast-frame, Triple-layer Hybrid Carbon Cellulose Composite Cone (HC4) Woofer
  • MultiCap™ Crossover Network with Single-wire and Bi-amp/Bi-wire Connectivity
  • Finely Crafted and Beautifully Detailed Enclosure with Carbon Fiber Baffle Trim
  • Soft-curved Cabinet Walls with Heavily Braced and Dampened Construction
  • JBL | IsoAcoustics™ Adjustable Acoustic Isolation Feet
  • Luxurious High Gloss Finishes with Summit Platinum or Summit Gold detailing
1747303908547.png


Source and more: https://www.jbl.com/summit-series-makalu.html
 
“Controlling how the signal is distributed to each of the drivers in Summit Makalu is a MultiCap™ crossover network with single-wire and bi-amp/bi-wire connectivity.

By replacing traditional large capacitors with an increased number of smaller capacitors, this design results in lower ESR (Electrostatic Resistance) and less energy lost in mechanical movement. “

What a load of unadulterated BS!
 
I’m pre-emptively a bit disappointed by the 12“ woofer in what appears to be a new flagship system + what seems like a variation of the relatively cheap (but nevertheless very well performing) D2 driver. Was beryllium not good enough for a flagship? The 476be exists, after all, and is made by JBL. So does/is the 1500al. Should have just made the DD67000 into a real three-way imo
 
jeffaegrim said:
I’m pre-emptively a bit disappointed by the 12“ woofer in what appears to be a new flagship system + what seems like a variation of the relatively cheap (but nevertheless very well performing) D2 driver. Was beryllium not good enough for a flagship? The 476be exists, after all, and is made by JBL. So does/is the 1500al. Should have just made the DD67000 into a real three-way imo
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Besides the fact that it is much more expensive to manufacture and that marketing delights in it, one day someone will have to explain to me the overwhelming, undeniable, obvious superiority of beryllium for people who, for the most part, can no longer hear or perceive anything above 12 kHz. Can you explain it? Because I think I must have missed something .
There is also this generalization, which partly comes from the DIY side, that once one or more components of a speaker are not expensive enough, they automatically become ordinary with defects, thus easily reproducible or replaceable with better ones.

But paradoxically, the hours spent at the drawing board are never taken into account in the evaluation of a product or a speaker .

Otherwise, yes, a little disappointed, but for other reasons .
 
Mr. Widget said:
“Controlling how the signal is distributed to each of the drivers in Summit Makalu is a MultiCap™ crossover network with single-wire and bi-amp/bi-wire connectivity.

By replacing traditional large capacitors with an increased number of smaller capacitors, this design results in lower ESR (Electrostatic Resistance) and less energy lost in mechanical movement. “

What a load of unadulterated BS!
Click to expand...
They'd have been a lot better no doubt, with a well-designed active crossover with some dsp incorporated I think. Not as if the finances aren't there methinks?

I can't remember where the interview was, but Greg Timbers claimed that with him and others in his team being let go of, there was nobody left who could properly take the JBL concepts forwards. Maybe the company has trained others up to the task in recent times, I've no idea...
 
JBL has some kind of transition with special capacitor engineering/marketing on their expensive models, in the past they had used charge coupled capacitors where someone would use some 9V batteries on their crossover.

Charge Coupled Crossovers Article By Jeff Poth

Charge Coupled Crossovers Article By Jeff Poth, DIY AudioProjects And Articles On Enjoy the Music.com
www.enjoythemusic.com
 
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fredoamigo said:
Besides the fact that it is much more expensive to manufacture and that marketing delights in it, one day someone will have to explain to me the overwhelming, undeniable, obvious superiority of beryllium for people who, for the most part, can no longer hear or perceive anything above 12 kHz. Can you explain it? Because I think I must have missed something .
There is also this generalization, which partly comes from the DIY side, that once one or more components of a speaker are not expensive enough, they automatically become ordinary with defects, thus easily reproducible or replaceable with better ones.

But paradoxically, the hours spent at the drawing board are never taken into account in the evaluation of a product or a speaker .

Otherwise, yes, a little disappointed, but for other reasons .
Click to expand...
I don’t usually extol the virtues of one particular material for the manufacturing of transducers, but I do remember seeing some convincing visualisations of breakup modes for compression drivers somewhere here & beryllium does seem to push those further up the frequency. Not quite being 30 yet, I also hear up to 19-20k without a problem. These speakers are way out of my budget and I am not looking for an upgrade, but I expected JBL to do better. These are or appear to be statement products after all, they have the video with the mountain going and everything. And there are certainly enough young people with similarly good ears that have this kind of money.

The large format Genelec monitors use a Tad td 2001 driver with a beryllium dia. There are probably cheaper solutions if high output is the goal but they do it anyway - despite the fact that „nobody hears above 12k“. I realise that these cost a lot more, but still.
 
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