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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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Almtb
Introductory Contributor


Joined: 28 Jun 2006
Posts: 6
Location: Bristol

PostPosted: Wed Jun 28, 2006 12:17 pm    Post subject: Hello! Reply with quote

Just found this site but probably 2 years to late.

My Dad was big into DIY Hi-Fi in the 70's & 80's so I was brought up in a household with large transmission speakers and it wasn't unusual to find my Dad experimenting with stuffing!

When I got older I inherited a pair of DIY speakers off my brother (cheap 8" drive unit & T27). Unfortunately one of the T27s had blown so I upgraded the whole lot with Audax tweeters and B200 SP1039 (from my dad's stockpile of Kef drivers). These sealed enclosure speakers kept me going for 3 years and were good for both refined listening & waking the neighbours. Laughing

Feeling guilty about using my Dad's drivers and the desire to experiment I changed the enclosure into a low tuned reflex using cheap Audax drivers with good results.

These kept me going while I worked on my big project. A pair of transmission line speakers based around Audax 8" drive units (bigger versions of the IPL kits). Took me 6 months to finish both and have run them as my main speakers ever since. That Low Bass & Transient response still blows me away!

Anyway to get back onto the KEF subject I bought a pair of late 60's Concertos from a charity shop. Considering the vintage I was quite impressed by them but in my desire to experiment I stripped them apart to make a pair of LS3/5A clones (Falcon crossovers). While I liked the clones they never took the place of my TLs.

After a period of experimenting with amplifier design (ok I blew an amp up and had to fix it Mad ) and with other commitments & interests taking up my time I stopped building and modifying. I sold the LS3/5A clones but the TLs are still going strong.

Hope I haven't bored you too much!

Cheers,

Al
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