"Eiron" wrote in message
...
sbring wrote:
Among speaker projects I am thinking about, now that I am reitred, is a
1972 Bailey t-line system. The cabinet seems no big problem; Bailey has
all the necessary measurements in his article. Driver choices and
passive three-way crossover deisgn seem much more difficult.

The Bailey used a B139 if I recall correctly.

I made two copies of the original Bailey TL somewhere between 1964 and 1967.
The recommended bass driver was the KEF B139, and the tweeter was the
Celestion HF1300. The cross-over was as in the Radford Bookshelf of the
same era which used the same drivers. Commercial versions of the speaker
were on offer a few years later from TDL (if memory serves me correctly).

[Nowadays I get more grunt from a sub-woofer...]
--
M Stewart
Milton Keynes, UK
http://www.megalith.freeserve.co.uk/oddimage.htm