Gramophone Dreams #59: the Ojas System, EJ Jordan Marlow loudspeaker EJ Jordan Manufacturer's Comment

EJ Jordan Marlow Manufacturer's Comment

Thanks for the opportunity to reply to John's detailed technical measurements of the Jordan Marlow loudspeakers in the May 2022 issue of Stereophile.

We've aimed for as natural a sound as possible with these loudspeakers so that they will work well with a wide range of music. All loudspeaker design is a balance of compromises, and in our case imaging, speed, and as natural a midrange as possible are high on our list of priorities, reflecting Ted Jordan's own engineering aims with the Eikona driver.

It is possible to add frequency equalization to a crossover-free loudspeaker, and in fact we experimented with this during the development process. Although it was possible to achieve a different balance to the sound, in all cases our listeners preferred the Marlows without any additional components in the signal path.

The 176Hz panel resonance is exactly as intended; the BBC thin-wall technique pushes cabinet wall resonances below 400Hz, where the ear is less susceptible to them. The 1.2kHz side panel is something we hadn't spotted; it will be addressed in current production.

Overall, many thanks to both John and Herb for a very fair assessment of our loudspeakers.—Colin Shelbourn, Managing Director EJ Jordan Limited

COMMENTS
thethanimal's picture

That EJ is rather insensitive compared to other speakers based on full-range drivers that I’ve seen. Because it’s tuned for higher excursion to coax more bass out of a 4” driver?

I still would like to hear your take on high-efficiency full-range drivers mated to the Elekit and (borrowed from Steve G?) Decware.

remlab's picture

Just click on "Jordan" to see the different measurements..
http://www.zaphaudio.com/5.5test/compare.html

Herb Reichert's picture

I've been using a JX92X for over 20 years

h

remlab's picture

..distortion is on that driver. Literally Scan-Speak levels!

MattJ's picture

The man clearly has no pets! My dogs and cats would destroy that in about 10 seconds. But WOW that subwoofer! Elephants in India probably think their cousins in Africa must be talking to them. O_o

remlab's picture

https://www.madisoundspeakerstore.com/approx-31-woofers/fostex-fw800hs-31.5-super-woofer/
Look at the price!!

Anton's picture

;-D

chtgrubbs's picture

Hey, it says if you buy quantities of to-10,000 you get a 10% discount!

tres hombres's picture

for introducing more music in 1 review than all others in a year - an artist of words for the blind.
Thank you sir.

remlab's picture

.

Turnerman1103's picture

Poor little Falcon Gold Badge’s . Herb has proven to be a heartless fickle lover . After years of Herb convincing many of us that the Falcon’s were the greatest thing since sliced bread - suddenly in the blink of an eye , his beloved Falcon’s, that he just recently described as “conspicuously grainless ” and “unabashedly liquid “ are now callously referred to as “ misty and grainy” . Herb dumped his faithful little Falcon’s (faster then KK could dump Kanye for Pete D ) for a pair of “ lively pleasure inducing “ Marlows and their “pristine unmitigated clarity “ . Alas , all is fair in love and war ..

Herb Reichert's picture

Those Falcons that sound like headphones will always be my reference — they are my truest love. We are married for life.

h

Turnerman1103's picture

Thank you Herb - I don’t doubt it ! My “Fickle Falcon” post was all in good fun . I’m forever indebted to you for turning me on to Falcon Gold Badge Ls35a’s . I’ve owned literally dozens of different speakers ( including 3 different sizes in the Harbeth range ) over the years and none have brought me as much joy as my beloved little Falcon GB’s . We shall never part … that is unless Falcon introduces a platinum version lol

Jack L's picture

Hi

Sorry, I would NEVER placed anything between the front loudspeakers & "listening chair" & between the left & right loudspeakers!

Acoustically, the music soundwaves should travel from the front loudspeakers to our ears without any obstruction, reflection & deflection in order to get the best livelike reproduction. Anything placed in the way of the soundwave propaganda is undesirable, affecting the sound. Period.

My humble audio+TV system in my house basement is placed some 6ft BEHIND the front standspeakers (including the L & R active subs).

Only the L+R channel active sub is allowed, without choice, to be placed lowly on the floor in betweem the L & R front standspeakers. Thanks goodness, the lead-granules+fine-sand stuffed loudspeaker spiked steel tripods are well taller than the lowly sub box. So the soundwave interference between the L & R standspeakers caused by the centre sub should be redued to minimum !

Not forgetting the music 'softwares'. Hundreds of CDs/DVDs/cassettles are all placed on a DIYed wooden super shallow wooden shelf hung against the left sidewall away from the left standspeakers. My 1,000+ LPs are housed in carton boxes (shaped like those in record stores) placed side by side on the floor against the left sidewall as well. Unaffecting the loudspeaker soundwaves radiation at all.

In a nutshell, NOTHING should be placed between the front loudspeakers & the sweet spot.

Above said, I have seen quite some home audio setups, including my 2 friends large multi-cellular horn+bass boxs, similar to the Ojas setup above. Visual display of the hardwares seeminlgy comes before the sound !

Listening is believing

Jack L

PS: Sorry, mult-cellular horns are not my cup of tea !!!!!

JHL's picture

...I've ever heard came from multicells. And, by current standards, in the least acoustically-correct space and room.

The experience was absolutely exquisite.

Anton's picture

Think of his floor as a diffuser!

;-D

Cheers!

Jack L's picture

Hi

Whatever you want to name this massive music-wave blocker, be my guest!

Ignorance is not a guilt.

Listening is believing

Jack L

Anton's picture

"Wave blockers!"

As Colonel Kurtz would say, "The horror!"

Heck, think of all those musicians in front of other musicians blocking the musical waves.

You make a great point: some audiophiles are best listening alone with open floor space.

It's interesting some audiophiles just know how someone's system sounds without ever hearing it.

It can be a solipsistic hobby.

Jack L's picture

Hi

Yes & no, my friend.

For a concert, the musicians play on the podium overlooking the attendance from a height. So the music blocking will be minimized if we sit not too far away from the podium.

That's why my favourite seat will be some 13th row centre to reduce the frontal music blocking & sound impairement by the hall PA system & hall reverberaton.

At home, there is no podium like a concert hall to raise the audio system to a height to avoid music wave blocking. That's why we should not put anything, not even a coffee table, in between the louspeakers & the sweet spot to get the best possible reproduction.

If you check again my above posts, I never mention about how good how bad would be Ojas sound system as I never heard it. Though I did audition quite a few similar massive large multi-cellular horn systems in different homes with similar pile-up like Ojas's. So far I am NOT impressed yet.

I simply point of the acoustical aspect of the reproduction of the massive hardware there. I can promise if all such massive centre pile-up be removed out of the way, the sound will be much much better. I've done with mine at home with flying colour.

This is physics.

Listening is believing

Jack L

Glotz's picture

is why I love Herb's writing and audio passions... I always learn something new and turned on to new music as well.

Wavelength's picture

Herb,
The DQ10 used a piezo not a ribbon tweeter. I remember meeting Jon when I was in college as I ran an audio store there. He was a great guy and I think the version we sold was a DQ10-K.

In college (and I still have the letters) I sent a bunch of ideas to Jordan. We built a number of arrays of the 50mm driver with KEF B139 woofers in a bi-amped arrangement. I designed my first circuit board with blue & red tape for a 24dB electronic xover, yes silly, 12dB would have been fine. I was young didn't know better. I had an 8 array 50mm speaker with a super modified ST70 on the top and a solid state 50W amp I designed for the bottom.

Fun times, Herb keep it up good article.
Gordon

Herb Reichert's picture

but I couldn't bring myself to buy one of those $3 piezos on Canal Street.

lol

h

Wavelength's picture

Herb,
But the piezo made it easier to design the xover :) That was the reasoning, all those drivers were making the nextwork too complicated and the piezo made it easy.
I couldn't stand those things. But back then I was making pretty low effecient speakers and higher powered amps (EL34PP and 6550/KT88PP). It wasn't till 1988 that I built SET stuff.

Hope your doing well. BTW I emailed you a while back I have a stack of really old stuff I dug up the other day. Have too much stuff if you want it email me.
Gordon

Jack L's picture

Hi

Agreed. Only a cap with a bypass resistor will do the job.

But piezoelectric tweeter can be horn type & paper-cone type. I would NEVER go for horn type. Sound way toooo horny !!

Even a soprano sounds horny to my skeptical ears.

I'v settled down with Motorola 15D paper-coned piezo tweeter to supplement the infamous Danish SEAS 87H soft impregnated fabric dome mid-tweeter (1KHz X-over frequency) for my KEF front standspeakers since day one decades back.

I chose this mellow sounding Danish wide-dispersion soft dome mid-tweeter to replace that original KEF T15 Melinex dome mid-tweeter which drove me nut with its ringing. Thanks goodness, no more ringing with the Danish dome tweeter.

Yes, I also used my upgraded TRIODED Dynaco ST-70 power amp to drive my passive DIY-bi-wired KEF standspeakers for so many years until I replaced it with my DIYed all-triode 5W+5W SET power amp some 6 years back. SET sounds better than PP, IMO !!!!!!!

It seems we both DIYers share pretty common interest !

Listening is believing

Jack L

Jack L's picture

Hi

I thought I was a cheapie enough cheapskate. Yet I won't go for a $3 piezo from those thrift shops.

FYI, the Motorola 15D paper-coned piezeoelctric tweeter is posted on eBay today for $49.99 each. I assume paper-coned piezo should cost much more than horn piezo.

Jack L

Briandrumzilla's picture

Yeah, from that angle it does remind me of "Doc" Brown's giant speaker.

mcrushing's picture

Interesting that you mentioned this system's appeal for art students, Herb. Photos of earlier iterations of Devon's setup (the fireplace was still visible) started appearing in my Pinterest feed a while ago.

Most often, it was posted by people interested in interior design.

Pinterest doesn't always offer much in the way of context, so I had no idea who the system belonged to at the time. Later I came across another amp and speakers unmistakably of the same design aesthetic, this time as part of a gallery installation from artist Virgil Abloh. I'd later learn that setup was Devon's work and that he and Abloh, who sadly passed recently, were close friends.

Devon's current setup looks more 'artist's studio' than 'listening room.' That's a huge plus in my book. I think some folks neglect the roles of the other four senses when it comes to experiencing music. It's the visual beauty of copper coils and vacuum tubes that inspired me to start tinkering lately, and it's also worth noting that my most enjoyable recent listening sessions have been in the company of non-audiophiles.

Seems to me the more inviting I've been able to make my listening space and the less fussy I've been about getting folks into the sweet spot, the more time I've spent enjoying good music, good wine, and good conversation while the album sides get flipped.

Thanks for a great column, Herb. And Devon, if you're reading...a chance to listen to your system is officially on my bucket list.

Jack L's picture

Hi

I have visited enough second-hand audio shops having similar massy yet messy hardwares display offshore during my annual business trips years back.

Affordable pricing to get the sales & sound matching good or not is none of those vendors business. Final sales, period.

Jack L

Anton's picture

We used to use "Middle Grey," which IIRC was "18% grey" when framing black and white photos.

I like the speakers' esthetic.

thethanimal's picture

Herb, until I can stop by Bed-Stuy or you can swing through Atlanta I’ll gladly share the virtual tea ceremony with you. I see all your excellent music recommendations this month and raise you Arooj Aftab’s 2021 album “Vulture Prince.” I’m listening in MQA from Tidal right now — meditative soundscapes, shading, dimension, reverb, and a pervasive feeling of longing jump out at me. Evidently she’s based in Brooklyn, so you might be able to find a live show nearby.

Herb Reichert's picture

I am listening to Vulture Prince as I type. You are right I love it – especially the pacing of the songs
keep the recommendations coming

herb

MBMax's picture

...all the angst over acoustics with all that gear in between the listening spot and speaker array, but you know what I like about this?
It looks really, REALLY fun.
Fun gear, ability to flip and change out records quickly, ability to change source, amp, preamp, etc. on a lark, on a whim, on a spontaneous impulse.
Regardless of audiophile "shall-not-be-dones," the system apparently sounds amazing and is just crying out for extended sessions of music with rum or whiskey, conversation and laughter, planning and scheming over other amp and speaker ideas. A little slice of heaven in a really rough world.
And Herb, when you decide you've had enough of the little Falcon ladies, please let me know. In addition to a fair price, I'll even throw in a lovely bottle of your favorite sipper.

RiteofSpring1961's picture

If you really like to hear a single-driver speaker with some decent bass, you need to find a pair of Alpair Super Pensil 12.2ps. I know they're DIY, but they really sing. I built mine two years ago and I'll be hard-pressed to change.

PECwines's picture

Herb - I’ve been interested in the Sibelius speaker from Pearl Acoustics for some time now. They use bespoke 4” drivers in transmission line cabinets of somewhat unusual construction. From what I have read, the Sibelius is an especially good single driver speaker, with bass performance that is much better than expected.

If you can get a review sample I’m sure many here would love to read your impressions. The only drawback is that currently Pearl Accoustics has no formal distribution in North America unless that has changed very recently.

CXB's picture

As usual Herb, your column re-enforces what drives the passion around music and listening and always brings an extraordinary perspective. Thank you

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