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Multi-Way Conventional loudspeakers with crossovers

My first Tannoy Autograph
My first Tannoy Autograph
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Old 29th May 2018, 12:43 PM   #171
maxlorenz is offline maxlorenz  Chile
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Hi Veeman,

GRF Autograph is better. Period.

IF you have good corners, this is the way to go.
Corner loading is quite magical for bass reproduction. That way HF, midrange and bass are better integrated into a "wall of sound".
Integration (of the electric and acoustic crossovers) is the key word.
If you listen to Autograph v/s Westminster you will feel what I mean and you will notice that W. sounds leaner.

Corner speakers have a hidden advantage: High WAF as they use less real estate in the room.

Also, if you build a fulranger, corner loading is essential. You can't make a bass loaded horn FR too big...

My back wall is 5,5m though, which makes a decent "focal point".

Thanks for the interest.
M.

PS: did I mention that I bought new (used) coaxials?
I have not made the swap yet, because it is a hard task.
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Old 29th May 2018, 12:49 PM   #172
Charles Darwin is offline Charles Darwin  United Kingdom
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Quote:
Originally Posted by maxlorenz View Post

PS: did I mention that I bought new (used) coaxials?
I have not made the swap yet, because it is a hard task.
Do you mean non-Tannoy co-axials?

If yes I would be very, very interested in how they compare!
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Old 29th May 2018, 01:07 PM   #173
kevinkr is offline kevinkr  United States
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My first Tannoy Autograph
Could you post some pictures actually here on the forum of your speaker system? The links to photos of your project in the early part of the thread seem to all be dead at this point - year old thread.
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Old 29th May 2018, 09:57 PM   #174
maxlorenz is offline maxlorenz  Chile
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Quote:
Originally Posted by Charles Darwin View Post
Do you mean non-Tannoy co-axials?

If yes I would be very, very interested in how they compare!
Hi guys,

I am lazy to take pictures and more lazy to upload...I have to look for the pictures...I have some somewhere.

There are bad quality videos on my Youtube channel (follow the signature as I cannot access Youtube from here) but good sounding IMHO.

I bought those Big P Audio Coaxials that I craved for for years (can you believe I have not even touched them?) because I thought my Beyma KX15 were faulty, but the reason for the bad noise was the amp had miss-regulated itself the current bias and was early clipping. It served to improve the crossovers though. Now the system is sounding better than ever: -ECdesigns- Mosaic UV DAC -->TVC--> diffamTOKIN VFET amp--> Tannoy Autograph clone.

Other sources: modded Otari MX5050; modded Lenco turntable with DIY "man on wire" unipivot arm,

I don't even know if the big coaxials will fit into the enclosure...
Attached Images
File Type: jpg P.AUDIO BM15-CX38 3.jpg (133.0 KB, 42 views)
File Type: jpg P.AUDIO BM15-CX38 2.jpg (105.5 KB, 42 views)

Last edited by maxlorenz; 29th May 2018 at 10:00 PM.
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