Robbie010
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Posts posted by Robbie010
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15 minutes ago, Sancho Panza said:
Looking good, very good.
Where’d you get the material?
It’s just some leftover material that I had. I used it to re-cover some old Wharfedale speakers on another project.
If I recall it was off eBay for a few pounds.
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Knocked up some covers this afternoon.....
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Top boxes are now pretty much done, just need to make the rear panel and mount the binding posts.
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Two coats of stain and the feet added. Couple of coats of polyx oil next.
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Quick update..... I had a week off, the weather is too cold to be working in my unheated garage! 🥶🥶
Back at it now, the high frequency cabinets are coming together, all glued up today, next step is sanding and finishing then I’ll make the coves....
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11 minutes ago, WMcD said:
Nice work.
What woofer is that? I see an American flag which is used by Eminence IIRC.
You seem to have plenty of room in the dog house with almost an inch of clearance on either side. I read that some of Bob Crites' woofers don't fit. Did you stretch the design?
WMcD
Thanks, the woofers are eminence kappa 15c.
I think the clearance looks a little more that it is but yes, I made the motorboard 400mm wide to make sure the woofers fits comfortably.
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23 minutes ago, ClaudeJ1 said:
Need some horns and drivers to go with those bass bins?? I got a bunch for 2 and 3-way you might be interested in.
Already got K-77 and K-55 drivers, just waiting on a pair of K401 horns so I can complete the project! -
10 minutes ago, glens said:
To the board...
Sorry! 😆
I used a glue gun!
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7 minutes ago, glens said:
How did you fasten them?
soldered them. -
Inductors installed, crossovers are now done!
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2 minutes ago, glens said:
In your crossovers the capacitors don't care, either, and there's no way anyone could possibly, reliably (repeatedly) tell any difference whatsoever!
Thanks. -
Just about to finish my Type A crossovers with the inductors and was wondering if there is a right and wrong way to connect them?
Obviously, there is an inner and an outer wire on the winding so do I need to connect them in a specific way or does it not matter?
Thanks.
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1 hour ago, Coytee said:
Very nice. Did you also build those (what appear to be) Transcendent amps?
What version are they? I used to have a pair of his SE-OTL's when I had Khorns and bridged them to 4-watts each.
Well spotted, they are the very same 1.5watt SE OTL monoblocks. They were professionally built but not by me!
1 hour ago, Tarheel said:Turn table looks interesting too. Good work on the LS.
Turntable is a Garrard 401 in a homemade layered ply plinth with an Acos Lustre GST 1 tonearm.
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Both bass units now done. Will give them a few weeks to fully cure before knocking them back and giving one more coat of polyx oil.
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Crossovers almost finished, just waiting on the inductors. Not the prettiest but should do the job.....
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Evening all,
I sat down this evening to layout the components for my Type A networks. Massive thank you to @mboxler for help with the parts (FOC no less), so I am using the 3636 (crites) autoformers and was just hoping someone can confirm the correct connections, as I’m not the best at reading schematics!
As I read it:
The negative input goes directly to pin 0
The positive input goes to pin 5 via the 13uf cap (which is in-turn connected to the positive connection for the tweeter via the 2uf cap)
Pin 4 is connected to the positive terminal for the squawker.
Is this correct?
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27 minutes ago, JohnA said:
Yumm! Birch? Or something else?
I believe it’s Douglas Fir. It does look quite nice with the medium oak stain. -
Just a quick update for anyone interested, the La Scala clones are getting there....
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Good Evening all,
I was wondering if anyone has experience of using La Scala on suspended wooden floors with carpet??
All being well, I will soon be installing my La Scala clones, which has got me thinking about the best way to isolate / couple / decouple them. Although the wooden floor beneath the carpet is suspended, it feels fairly solid. However, this will be the first time that I have used large floorstanding speakers on a suspended wooden floor, as my last house had solid concrete (we moved just before Christmas).
Do any La Scala users have experience of this scenario and can comment on the best method of isolation or coupling the speakers for the best acoustic results?
Thanks
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1 hour ago, No.4 said:
When I first built my La Scala clones I had the K401 horns just set on top of the bass bin with no baffle. Without digging through threads I remember there being a distinct edginess to the sound that was not good. Multiple members recommended a baffle to mount the horn to. This worked well. YMMV.
I will be building matching high frequency cabinets much like the La Scala II, to house the squarker, tweeter & crossovers. I have just routed out the recessed opening for the woofer binding post’s and the recess’ for the feet to sit in to:
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2 hours ago, Randyh said:
if Gary gives you a compliment for this build , you are on the right track -
Thanks, they are looking pretty good for a first build!2 hours ago, Randyh said:is this birch -----------will you keep these on the wood , or are you adding veneer
I was not planning to veneer them.
I’ve been careful to choose birch ply with a nice grain / finish and as few imperfections as possible. However, I do have a number of stains to test and may use a matt poly finish.
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53 minutes ago, avguytx said:
All personal preference, really. I rarely have spent over a buck a foot for speaker wire through the years. Now, when I was the rep for Esoteric Audio wire years ago, I did buy some of their high end 10 foot speaker cables because they were hella cheap. Otherwise, 16 to 12 gauge is about the extent of what I personally use. My ears at 53 won't hear a difference in wire.
Thanks. I’m not looking to spend anything really, if I can use something I already have, I will.
I just wanted to be sure that the large gauge of the cable wouldn’t be a bad idea.... maybe cause issues with impedance or the likes..
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I have some spare 4mm2 Audioquest (blue) studio grade speaker cable that I was planning to use as internal wiring from the crossovers to the drivers in my La Scala project. Before I go steaming ahead, is there any reason why using such a thick cable might not be a good idea??
Alternatively, I have some 2.5mm2 OFC speaker cable that I could use.
Also, is there a concensus as to whether I should solder the connections or used crimped push-on spades?
Thanks.
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7 hours ago, JohnA said:
The tweeters are more sensitive to flush mounting than the squawker because of wavelength. I lined the cabinet opening for the squawker with felt to mitigate the effect of that discontinuity. I also did/do not have the tools or skills to make it attractive. Since you are building, go ahead and flush mount the squawker from the front. You might need to reinforce the screws if you route the front to make the horn flush.
How is your build coming along?
Thank you, I have the tools and gusto to have a go at flush mounting the horn but not necessarily the skill!! 😂The build is coming along quite well, I should have the bass boxes done this week ready for sanding and staining, then I’ll move on to the high frequency cabinets. I decided I prefer the look of the split cabinet so went down that route, its a bit more work and a bit more wood but I may as well do it the way I want it.
There have been a couple of oops moments, mainly due to the poor setup / misalignment of my new table saw but nothing that couldn’t be corrected..... or lived with!
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DIY La Scala - 1 down - 3 to go!
in Technical/Restorations
Posted
Quick update on these.... I did a little testing with the drivers and crossover this week, while I am still waiting for the mid horns to arrive, unfortunately, one of the woofers was dead! 🥺
School boy error, I bought them used a few months ago and never tested them when I got them..... anyhow, every cloud has a silver lining, I’ve now managed to pick up a pair of K33 (round magnet) drivers from Denmark, so the complete speakers will now be using all original klipsch drivers and horns.