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  Topic: I'm searching for spec. of BG200 Sp1069 and T33 Sp1074
tancrède

Replies: 0
Views: 1563

PostForum: KEF speakers   Posted: Mon May 07, 2012 9:15 am   Subject: I'm searching for spec. of BG200 Sp1069 and T33 Sp1074
Hi. Those are the drivers in the 304. I what the complete spec. of those drivers; Ci, Ri, Li, etc..........

I saw those specs on the Web many years ago, but i can't find them anymore.

Thanks
...
  Topic: Celestion Ditton 66
tancrède

Replies: 1
Views: 5825

PostForum: Other speakers   Posted: Sun Dec 21, 2008 9:19 am   Subject: Celestion Ditton 66
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Hi

I'm not a specialist of Celestion. In my mind, you sould just replace the caps of crossovers and braze a bit or enough the boxes.

Tancrède
  Topic: Mission 737 or 770 ?
tancrède

Replies: 0
Views: 2984

PostForum: Other speakers   Posted: Mon Dec 08, 2008 12:57 am   Subject: Mission 737 or 770 ?
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Hi

The 737 and 770 is 2 way speakers. Filter is 2.5 khz for the 737 and 1.9 khz for the 770.

In my mind the 737 is better because it's easier for the 737 woofer to produce the mid.
A ...
  Topic: KEF 103.3 Reference series Crossover and Installation manual
tancrède

Replies: 9
Views: 9636

PostForum: KEF speakers   Posted: Sun Aug 31, 2008 10:51 pm   Subject: KEF 103.3 Reference series Crossover and Installation manual
Hi

T.O. Chef

I'm really surprise that 103.3 is better than 104.2 ?????


Tancrède
  Topic: KEF 103.2 Crossover upgrade
tancrède

Replies: 52
Views: 46480

PostForum: KEF speakers   Posted: Mon Aug 11, 2008 3:33 am   Subject: KEF 103.2 Crossover upgrade
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Hi friends

How can i test the protection circuit of 103.2 without explosing the speakers ?????


Tancrède
  Topic: KEF 103.2 Crossover upgrade
tancrède

Replies: 52
Views: 46480

PostForum: KEF speakers   Posted: Tue Jun 17, 2008 11:33 pm   Subject: KEF 103.2 Crossover upgrade
Hi

My old notions of electronic begin to emerge

Dont know the value of the coil of the tweeter, but i suppose that at high frequencies, around 10 000 hz and more, the XL impedance of the tweeter ...
  Topic: KEF 103.2 Crossover upgrade
tancrède

Replies: 52
Views: 46480

PostForum: KEF speakers   Posted: Tue Jun 17, 2008 10:20 am   Subject: KEF 103.2 Crossover upgrade
Hi Colin

The Falcon page is allright for me, because the capacitor and resistance is not in parallel with the HF driver

But with the 103.2 it's not the same

I will change the 2.2uf because th ...
  Topic: KEF 103.2 Crossover upgrade
tancrède

Replies: 52
Views: 46480

PostForum: KEF speakers   Posted: Tue Jun 17, 2008 7:37 am   Subject: KEF 103.2 Crossover upgrade
Hi

Long time i didn't play with cut frequencies calculation

About the crossover of the 130.2 at this adress:

http://www.hifiloudspeakers.info/Anatomy/Crossovers/103.2/SP1144103.2CrossoverInde ...
  Topic: KEF 103.2 Crossover upgrade
tancrède

Replies: 52
Views: 46480

PostForum: KEF speakers   Posted: Tue Jun 17, 2008 1:13 am   Subject: KEF 103.2 Crossover upgrade
Hi

Solen, who is a specialist in Crossover and drivers in Quebec, told me that a coil with no core is better than one with.

The guy was talking about saturation and elimination of certain freque ...
  Topic: KEF 103.2 Crossover upgrade
tancrède

Replies: 52
Views: 46480

PostForum: KEF speakers   Posted: Mon Jun 16, 2008 6:28 pm   Subject: KEF 103.2 Crossover upgrade
-----------

Thanks folks

I think there is a transisitor in that red sealed pack

Maybe one day, i will depack and draw the protection circuit. In case someone need to repair-it one day

But ...
  Topic: KEF 103.2 Crossover upgrade
tancrède

Replies: 52
Views: 46480

PostForum: KEF speakers   Posted: Sun Jun 15, 2008 7:32 am   Subject: KEF 103.2 Crossover upgrade
----
Hi

My schematic drawing of the 103.2 is the same that Colin Royle:

http://www.hifiloudspeakers.info/Anatomy/Crossovers/103.2/SP1144103.2CrossoverIndex.html

The protection circuit is a l ...
  Topic: KEF 103.2 Crossover upgrade
tancrède

Replies: 52
Views: 46480

PostForum: KEF speakers   Posted: Sat Jun 14, 2008 3:58 am   Subject: KEF 103.2 Crossover upgrade
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For those you are interest, I will try to understand this crossover.

For the moment, i know why my ohmmeter didn't see around 8 ohms. This crossover have a 600 microF at is end - opposi ...
  Topic: KEF 103.2 Crossover upgrade
tancrède

Replies: 52
Views: 46480

PostForum: KEF speakers   Posted: Fri Jun 13, 2008 11:28 pm   Subject: KEF 103.2 Crossover upgrade
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Ok I've have succefully pull them out

Tancrède
  Topic: KEF 103.2 Crossover upgrade
tancrède

Replies: 52
Views: 46480

PostForum: KEF speakers   Posted: Fri Jun 13, 2008 10:14 pm   Subject: KEF 103.2 Crossover upgrade
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Hi again folks

The crossover is very well glue to the bottom of the boxe. And there's not much place over there.

So how can i pull-it off so i can check the caps individually ?????

T ...
  Topic: KEF 103.2 Crossover upgrade
tancrède

Replies: 52
Views: 46480

PostForum: KEF speakers   Posted: Fri Jun 13, 2008 7:03 pm   Subject: KEF 103.2 Crossover upgrade
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I knew already all that folks

But usually, all speakers with Crossover have around 8 ohms.

8 ohms because od the pure resistance of the coil of the drivers and the coils of the Crosso ...
 
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