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This forum has been set up to facilitate discussion of 1970s KEF speakers and drive units. The owner of the Forum has no connection with KEF Audio.
 
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  Topic: Bextrene cone mass
speakerman19422

Replies: 1
Views: 3157

PostForum: Other speakers   Posted: Tue Aug 28, 2012 5:51 am   Subject: Bextrene cone mass
Does anyone know if the bextrene cones on the Kef. Audax and Dalesford woofers were formed with only one layer of bextrene?
The reason I ask is the weight varied on some of the cones being the same d ...
  Topic: k160 - main driver?
speakerman19422

Replies: 5
Views: 3168

PostForum: KEF speakers   Posted: Mon Feb 20, 2012 2:32 am   Subject: k160 - main driver?
All the spec sheets state the voice coil formers were nomex. Are the voice coils overhung or underhung?
  Topic: Replacement Kef B110 and T-27
speakerman19422

Replies: 0
Views: 2676

PostForum: KEF speakers   Posted: Thu May 19, 2011 9:49 pm   Subject: Replacement Kef B110 and T-27
In case any one is interested. I saw that one company still has replacement Kef units for sale. I saw on the Falcon Acoustics site that Celestion made some new runs of the B110.
http://www.hi-fideli ...
  Topic: There's no such thing as a transmission line speaker
speakerman19422

Replies: 15
Views: 18254

PostForum: Other speakers   Posted: Sat Jun 26, 2010 3:50 am   Subject: There's no such thing as a transmission line speaker
Many people are building speakers they claim to be transmission lines. Many of them are stopped pipes described in David Weem's book. Most of the pioneers in transmission line design have passed away ...
  Topic: There's no such thing as a transmission line speaker
speakerman19422

Replies: 15
Views: 18254

PostForum: Other speakers   Posted: Wed Mar 31, 2010 1:21 am   Subject: There's no such thing as a transmission line speaker
I am quoting some of Bud Fried's brochure.[Transmission line free flow filter progressively absorb energy with frequency, along a long path. At the very lowest frequencies, the mass of air in the lin ...
  Topic: There's no such thing as a transmission line speaker
speakerman19422

Replies: 15
Views: 18254

PostForum: Other speakers   Posted: Sat Mar 27, 2010 2:35 am   Subject: t-lines
I have been listening to my various Fried designs for 30 years this year.. The bass and midrange sounds more natural in t-lines. I built t-line mid bass enclosre with Fried Oem drivers that were in ap ...
  Topic: Old Audax;Dalesford and Kef
speakerman19422

Replies: 2
Views: 2301

PostForum: KEF speakers   Posted: Wed Mar 03, 2010 8:27 am   Subject: Old Audax;Dalesford and Kef
There has been talk of all of the above mentioned drivers. Does anyone know who stared the Dalesford co and designed their drivers?. Many opinions state that they were inferior to Kef. I used drivers ...
  Topic: Dalesford, RAM and WARS
speakerman19422

Replies: 50
Views: 42558

PostForum: Other speakers   Posted: Mon Oct 09, 2006 2:30 am   Subject: Dalesford, RAM and WARS
I have Dalesford 6.5 and 10 inch nothing quite like stock version custom made for Bud Fried that had stickers from 1980. I am using Fried C3L pyramid shaped t-line cabinet with Hiquphon tweeter in ser ...
 
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