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Mini Living Room Stack - Ojas Style

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Category: General
Forum Name: Newbie Discussion
Forum Description: Newbie Discussion/Questions. Look less stupid here...
URL: https://forum.speakerplans.com/forum_posts.asp?TID=108855
Printed Date: 26 March 2026 at 6:54pm
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Topic: Mini Living Room Stack - Ojas Style
Posted By: markturnip
Subject: Mini Living Room Stack - Ojas Style
Date Posted: 28 December 2024 at 5:04am
Hello! Another newbie in town 👋

I want to build a modest speaker stack which I can use in my living room with my turntables. But also double up as an occasional outdoor small system.
Ideally something tall and narrow. 

So far the closest thing to what I'd like to create is the Ojas self build kit.

This is my first time building a speaker stack.
I'm thinking I might get timber cut by http://plyco.com.au in Melbourne (Australia)

Is anyone able to give me some pointers to any designs which are most like these references?

I'll post more pictures to this topic if I find.

Many thanks!
MT












Replies:
Posted By: markturnip
Date Posted: 28 December 2024 at 5:13am
Some more inspo:







Posted By: markturnip
Date Posted: 28 December 2024 at 5:13am
Might share this blogpost too:  https://www.forstrekords.com/forst-system/ - https://www.forstrekords.com/forst-system/


Posted By: markturnip
Date Posted: 28 December 2024 at 5:35am
Possibly USB Bass + MT121 Mid is somewhere close. But perhaps that's too much on the larger size end for me?


Posted By: Meat Substitute
Date Posted: 28 December 2024 at 9:40am
The Klipsch LaScala (and variants) has been used as a home speaker and should have the efficiency for use outdoors.


Posted By: Meat Substitute
Date Posted: 28 December 2024 at 9:55am
Don't be too alarmed by the insane online prices. It's an old design and there are loads of versions of the plans out there.


Posted By: Bams
Date Posted: 28 December 2024 at 11:57am
what kind of music are you looking to play? and what is modest size :) and what about portability? only moving it to the garden of across the city? i run a smallish system based on a jbl 4530 with Stage accompany e24's on top and while it sings in our garden and our large living room many hornloaded systems tend neec to much space to really come to life if your room isn't large enough. 


Posted By: markturnip
Date Posted: 09 January 2025 at 6:53am
I do love the look of the La Scala! but afraid they're way too big for what I'm trying to build. 

@bams I play a whole variety but mostly electronic dance. E24's sound like they could be good, do you have any photos?


Posted By: markturnip
Date Posted: 09 January 2025 at 6:57am
These are sort of size I'd like: https://stakx.be/mini" rel="nofollow - https://stakx.be/mini

Thought I might share this post:  https://www.reddit.com/r/SoundSystem/comments/y1fk5s/here_is_my_personnal_homemade_soundsystem/" rel="nofollow - https://www.reddit.com/r/SoundSystem/comments/y1fk5s/here_is_my_personnal_homemade_soundsystem/

Seems there's a few designs on this site which might suit me:  https://planssystemes.notion.site/" rel="nofollow - https://planssystemes.notion.site/

I have access to my mates CNC machine for no charge.

So really I'm just looking for any kind of cabinet design of this size which I can get cut.
Suppose just start with whatever drivers recommended for the cabinet design.


Posted By: markturnip
Date Posted: 09 January 2025 at 6:58am



Posted By: teeth
Date Posted: 09 January 2025 at 8:31am
i really like the look of the CAL mini rig, lot of thought went in to it.

Calum Audio Ltd - Interested in knowing more about the CAL...

seems all CAL's stuff is offline now, big shame, think i have the plans on my computer though.

other options, mini scoops and mini cabs such as this simba thingy by HOcockS
https://www.instagram.com/hoqs_europe/p/Cm8vGxFM6nr/?img_index=1

i gave this some thought on a post here a while back, didn't go anywhere though
https://forum.speakerplans.com/mini-rig-advice_topic107815.html


Posted By: FartyMcfly
Date Posted: 09 January 2025 at 11:53am
Originally posted by teeth teeth wrote:

i really like the look of the CAL mini rig, lot of thought went in to it.

Calum Audio Ltd - Interested in knowing more about the CAL...

seems all CAL's stuff is offline now, big shame, think i have the plans on my computer though.


I think Calum Audio got into some kind of ding dong with the Paraflex designers / owners and closed up shop.  He made a number of very upset posts about it on social media.

Perhaps this is of interest to you.  I can't see a way to open a free account and download the file without putting credit card info in (I guess they hope you forget to cancel after 30 days 'free'), but if you wanna give it a go, it's there

https://www.scribd.com/document/626498227/CAL-Mini-Rig-BUILD-NOTES


Posted By: Revolution Sound
Date Posted: 19 January 2025 at 12:26am
Does anyone on here know how to get in touch with Calum?  I ordered  and paid for a mini rig from him when he was taking last orders in Nov 23, its still not been delivered, I haven't heard from him since August last year and he's not replying to my emails.

I don't want to have to escalate to legal action, but I will do if necessary.  So if anyone can get in touch with him, this would be a great help.


Posted By: markturnip
Date Posted: 19 January 2025 at 1:32am
No idea, sorry to hear of trouble!

Thought I'd post these  https://www.reddit.com/r/audiophile/comments/nzafwq/made_some_devon_ojas_inspired_speakers_shot_a/" rel="nofollow - https://www.reddit.com/r/audiophile/comments/nzafwq/made_some_devon_ojas_inspired_speakers_shot_a/



Posted By: julius111
Date Posted: 19 January 2025 at 8:22am
https://www.instagram.com/mecminisoundsystem/" rel="nofollow - https://www.instagram.com/mecminisoundsystem/

and there is a guy from japan with a mini stack running on makita batteries, couldn‘t find it right now though. 

and a more general question, if all the drivers are in a single box, is it really a stack?

best, julius


Posted By: teeth
Date Posted: 19 January 2025 at 8:45am
lol just looked in to those Ojas kits. what a rip off


Posted By: vertx
Date Posted: 20 January 2025 at 12:07pm
After seeing these it makes me think a La Scala would have very little sub and an unfortunate time domain issue / enclosure resonance just above 100hz

https://www.stereophile.com/content/klipsch-la-scala-al5-loudspeaker-measurements%20" rel="nofollow - https://www.stereophile.com/content/klipsch-la-scala-al5-loudspeaker-measurements

https://www.hifinews.com/content/klipsch-la-scala-al5-loudspeaker-lab-report" rel="nofollow - https://www.hifinews.com/content/klipsch-la-scala-al5-loudspeaker-lab-report

It's a shame a speaker that size and 91kgs is lacking in low frequency content quality as they look loverly.

On that note...

Devon OJAS has done some great work bringing hifi back into the mainstream and to a new generation, but at the end of the day he's an ex clothing designer/fashion guy outsourcing old altec/JBL remix builds to his joinery/chippy contacts, and as far as I can tell he doesn't do the builds himself. All the power to him though for doing his thing and making bank from his passions and he very much has an eye for popular/current visual design.

that said...I vote for a self-build! One of lifes great pleasures is kicking back and listening to speakers you've slaved away conceiving, simulating, CAD'ing/designing, constructing and assembling, sanding & finishing, then finally (DSP) processing into a literal piece of organic and functional art... your own babies. You might swear, cry, and bleed in the process but you'll be better for it, and appreciate them so much more, and learn a lot in the process! 






-------------
www.instagram.com/translate.sound


Posted By: Conanski
Date Posted: 05 February 2025 at 5:14pm
Originally posted by vertx vertx wrote:

After seeing these it makes me think a La Scala would have very little sub and an unfortunate time domain issue / enclosure resonance just above 100hz

Correct they need a sub, even back in the '80's I thought they lacked lowend. This box is the reason I learned to hate horn midranges, these things are unlistenable beyond a watt or so of input as delivered IMO, the mids and highs just get too harsh. DSP processing to time align everything and correct the worst response anomalies would do wonders though.

P.S. I like the looks of this, if that is still too big scale it down to a 15" sub with 8" mids and HF horn. 




Posted By: Revolution Sound
Date Posted: 05 February 2025 at 8:07pm
Just to update - its all sorted and I am very happy with my new mini rig!


Posted By: Eagle
Date Posted: 08 February 2025 at 8:27pm
Curios to see how to turned out! any pictures of it in action? :)


Posted By: Revolution Sound
Date Posted: 11 February 2025 at 5:02pm
Not had much of a chance to use it yet, life is getting in the way!  I'll update when I get a chance!


Posted By: teeth
Date Posted: 11 February 2025 at 6:21pm
can you get some plans? all the links are dead.

please also wish Cal when in whatever he is up to


Posted By: Lennox
Date Posted: 29 June 2025 at 8:52pm
Pretty dissapointing to see that the CAL minirig sub is just one of the many designs he stole from others. I designed this sub. The design rights are solely in my name so it cannot be licenced in anyway, although I am glad its under creative commons.

Anyways drama aside, let me know if you would like plans for the sub.


Posted By: Revolution Sound
Date Posted: 29 June 2025 at 10:10pm
oh piss off


Posted By: bitSmasher
Date Posted: 23 July 2025 at 12:33am
Hey Mark, have you connected with any of the sound system crews in Melbourne?

There's a good community to tap in to... though as the joke goes, if you ask 5 people for speaker advice you'll get 6 conflicting opinions LOL

A couple of points to note, is sound waves don't scale down - so taking a typical large horn-style box and making it smaller won't produce the same bass at a lower volume, it'll produce less bass overall

Given you're wanting to use this at home, and it needs to be compact, I'd suggest sticking with simple bass reflex boxes throughout - maybe matched with a large high frequency horn for looks

If you're still wanting to reference the aesthetic of a big rig, then you could build a "mini scoop" style sub which are essentially a transmission line or even large vented reflex depending on the configuration

Of course budget will be an important factor, and your time and capacity to dive in to technical details will be the other factors that'll inform the outcome


-------------
https://www.instagram.com/batteryacidsoundsystem/


Posted By: markturnip
Date Posted: 05 February 2026 at 12:19am
Thanks, have reached out to a couple Melbourne sound system crews - but haven't persevered.


Posted By: markturnip
Date Posted: 05 February 2026 at 12:19am
Came across these guys, these portable rigs look like a comfortable size:
https://vas-audio.com/pages/portable-systems" rel="nofollow - https://vas-audio.com/pages/portable-systems



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