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DM945/passive cabinets and Super Zen combo?? (Read 2533 times)
kevtn8
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DM945/passive cabinets and Super Zen combo??
02/17/14 at 07:57:59
 
I was wondering if anyone who has these can provide me real world testimonials about this potential combination. I already have the Super Zen and Dm945s but I'm really looking at the passive horn cabinets for the DM945s to augment and fill in the last octave of sub bass. I really like this concept because its a custom stand and subwoofer in one that doesnt require an external amp, however  I'm a little cautious because the SuperZen is only 2 wats. Will this be enough to hear a significant difference with the passive cabinets? The cabinets aren't cheap and I wanted to make sure my SuperZen will be a good match for it. Thanks

Kevin T.
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ZYGI
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Re: DM945/passive cabinets and Super Zen combo??
Reply #1 - 02/17/14 at 12:33:11
 
Kevin,

If you have enough with the combo now, adding the horn will just be icing on the cake, so to speak. It isn't going to require anymore amplifier  power for  the horn to do its thing if that is your concern.

Welcome to the forum.....

Zygi
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Fireblade
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Re: DM945/passive cabinets and Super Zen combo??
Reply #2 - 02/18/14 at 12:17:23
 
Hello Zygi, I hope you keep doing fine!

Could you kindly explain what are the specific contributions of the cabinets added to the DM945's?

I have the Mini-Torii + DM945's (Mundorf Supreme Caps) and an active Subwoofer (Velodyne). What would the cabinets do for me?

Considering the price of the cabinets are the same as the DM945's, these should bring a lot of substance to the mix to become cost-effective.

How heavy are the cabinets for shipping considerations?

Thanks for any information.

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ZYGI
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Re: DM945/passive cabinets and Super Zen combo??
Reply #3 - 02/18/14 at 14:09:11
 
Fireblade,

I'm doing well and continue to get better every day. Couldn't ask for any more!

Companion cabinets....first off, let me make it clear, I do not build or make anything from the companion cabinets, so my opinions are not money motivated, quite the opposite really.

The companion cabinets add dynamics, soundstage, and bass. Most impressive is there ability to add soundstage, (hard to explain but I get it) and the bass, forget about it!

There is no way using a sub you can integrate the bass to the main speakers more effectively. I don't care if you use several subs placed around the room in a swarm  (I think they are calling it these days) This may be a way around  room mode issues, but it doesn't  integrate as well.

Hope this helps,
Zygi
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Fireblade
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Re: DM945/passive cabinets and Super Zen combo??
Reply #4 - 02/19/14 at 01:31:59
 
I'm happy to learn about your improved health, Zygi.

Amazing, I certainly could understand the bass improvements via the added resonance volumes and Venturi-derived low pressure passage effects on the lower frequencies, but it was not intuitive in my mind (my fault) that the effect would carry over to other important sound quality aspects like those you mention.

It definitely needs to be considered in my future. BTW, what is the weight and volume involved when packaged for shipping?

Thanks for your thoughts!


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Lon
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Re: DM945/passive cabinets and Super Zen combo??
Reply #5 - 02/19/14 at 03:00:26
 
It's been my experience that a lot of the depth of the sound, and a perception of the room size and nature, come from an extended and quick sounding bass region. Factoring this in, to me it makes sense that the cabinets add soundstage and imaging definition and improvement.
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kevtn8
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Re: DM945/passive cabinets and Super Zen combo??
Reply #6 - 02/19/14 at 08:24:24
 
Thanks for clarifying all this Zygi. That is hard to comprehend that these passive cabinets can do so much. Anyways, after talking to Steve this morning I placed the orders for the cabinets. And I will send the 945s back to him to have him install an optional phase plug on the silver flutes. Its supposed to slightly bring out the midrange more and so I thought I might as well go for this. Steve is still trying to update his dm945 webpage/options so please talk to him if anyone is interested in this. Anyone who is familiar with Zu audio knows that they also use a phase plug on their mids to augment the midrange. I'm a big midrange guy and so I had to have this. I will also have Steve install Clarity Cap MR on the tweeters since they are so affordable. I can't wait for this combination to be done. I'll post updates here.
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Palomino
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Re: DM945/passive cabinets and Super Zen combo??
Reply #7 - 02/20/14 at 21:05:04
 
I think you were smart to get both the phase guide and the cap.  What I heard at Decfest was a different speaker.  So much so that I got up and inspected the speaker and noticed the wave guide.

Steve explained that the removal of the dust cap was necessary because the increase in the bottom end via the horn required more from the mids to balance out.  At least I think this is what he was talking about.

Also, he said the horn was not unlike what is in the DNA horn.  The DNA speaker tosses a pretty good sound stage.  I think it benefits from putting out a wide sound wave out the back.  Per what Lon said, the bass is very quick on these horns.  They image well and disappear easily in my room.  Different speakers, but the same concept and possibly the same result.
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Fireblade
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Re: DM945/passive cabinets and Super Zen combo??
Reply #8 - 02/20/14 at 23:27:35
 
This is a crucial point that needs to be addressed/explained by someone at Decware. If the required changes are not easy DIY, it will make it prohibitive for people with DM945's living outside the US to adopt these cabinets due to the two-way shipping/customs for a somewhat bulky and heavy piece.
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Palomino
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Re: DM945/passive cabinets and Super Zen combo??
Reply #9 - 02/21/14 at 04:43:42
 
It's removing a dust cap and placing the wave guide in the cavity.  Dust cap removal is a little tricky but it could be DIY.
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kevtn8
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Re: DM945/passive cabinets and Super Zen combo??
Reply #10 - 02/21/14 at 08:17:15
 
Thanks for the clarification Palomino. How did the DM945s ( with the phase guide) and passive cabinet combination sounded to you compared to the other Decware speakers such as the HDT and DNA at the most recent Decfest? From just watching and listening on the videos, I didn't realize the phase guide was on because the grills never came off, assuming it would have been visible. Also, did anyone upgraded the caps in the 945s ? If so what caps were used and how were the results? I'm hoping the Clarity MR is a good choice and won't make the highs too bright or clinical sounding.  
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Fireblade
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Re: DM945/passive cabinets and Super Zen combo??
Reply #11 - 02/21/14 at 11:50:24
 
Thanks for the feedback, Palomino. I'm still not clear on what this entails (I don't even know what a dust cap is). Anyway, when the time comes I'm sure somebody could show us the step-by-step procedure. The important thing is it is DIY.
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Palomino
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Re: DM945/passive cabinets and Super Zen combo??
Reply #12 - 02/21/14 at 12:34:57
 
It's worth a conversation with Steve or an email to confirm he'd recommend DIY.  I'm saying it could be DIY.

The dust cap is the black dome in the middle of the speaker.  Google "remove dust cap" and there will be some illustrations, probably a YouTube instructional video.  

You can check these out and decide if it's something you like to attempt. Then I'd contact Steve to get his take.
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Palomino
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Re: DM945/passive cabinets and Super Zen combo??
Reply #13 - 02/21/14 at 14:09:46
 
This video will give you the idea on dust cap removal.

http://www.youtube.com/watch?v=2uOvO0yiF3s

Kevtn8, I liked the DM945s with the companion cabinets the best of all the speakers I heard at Decfest.  It may be that my personal taste runs towards the horn speakers.  Another caveat is that I listened to them mostly with the ZMA which is a fantastic amp.  It made all the speakers sound really, really good.

For example, I had heard the HDTs at a past fest and thought they sounded good, but I thought with the ZMA they sounded exceptional.  Same thing for the DM944s.  I did not get much time with the ERRx or the Omni's.  But from what I heard, I still liked the 945s the best.

I think it is hard to go wrong with a Decware amp/speaker combo unless you somehow end up with an underpowered speakers.  These speakers are designed and tweaked using the Decware amps.  That said, I think the Rachael/DM945 combo is loud enough for most people.  I can't really speak to the Zen/DM945 combo.

Others who have spent more time with all these speakers and different Decware amps may be able to offer better guidance.

Edit: Oh, and I have never regretted upgrading the capacitor in any speaker.  Zygi turned me on to the mudorf tin foil caps which I like.  They are around $25 each though.
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« Last Edit: 02/21/14 at 14:14:02 by Palomino »  

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Fireblade
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Re: DM945/passive cabinets and Super Zen combo??
Reply #14 - 02/21/14 at 19:01:15
 
Thanks for the link, Palomino.  It looks more involving than I was wishing for ... we'll see.
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