BBC LS5/1AE design built by KEF

[synsei]

Does anyone have any info on these? Specifically wanting to know how efficient these are and the recommended power handling figures. Cheers

[Rare Bird]

There's a reason for the two Celestion 'HF1300's

[synsei]

[DSJR]

The three-way 5/1A's were KEF built using KEF drivers I understand and are claimed to be the last of the "truly neutral" BBC monitors (the 5/8 and 5/9 have bass/lower mid lifts which may counteract the metre or more distance from the floor many of them seemed to be placed).

Too old for many to come up for sale now I think, but fondly remembered by those that knew them I remember.

EDIT - What the bloody 'eck was I talking about? The LS5/5's probably that replaced the above.

Seriously fellas, look at the BBC research papers, on the 5/5 especially, and read the comments on the 5/1's, which I think date from the early 60's...

[Rare Bird]

They are Goodmans Bass units in those 1AE's

[synsei]

15" Goodmans unit André?

EDIT: Just confirmed that in the thread below

Only asking because I might have a chance of a pair. Just found another thread with lots of helpful details about these speakers and I am a bit shocked to discover that the nominal impedance is 25ohms

http://theartofsound.net/forum/showt...?t=8082&page=2

It would seem that the amps that drove these were a measly 35watts, I wonder if the Valhalla would struggle at 15watts a side?

[Dingdong]

15" Goodmans unit André?

EDIT: Just confirmed that in the thread below

Only asking because I might have a chance of a pair. Just found another thread with lots of helpful details about these speakers and I am a bit shocked to discover that the nominal impedance is 25ohms

http://theartofsound.net/forum/showt...?t=8082&page=2

It would seem that the amps that drove these were a measly 35watts, I wonder if the Valhalla would struggle at 15watts a side?

There is generally a difference between what ss power you need and what valve power you need.

Wtf is wrong with your current speakers that makes you want something else?

[synsei]

15" woofers and the BBC sound, which I happen to enjoy

[Dingdong]

Which bit does the mids?

[synsei]

I'll leave that explanation to the experts. It is the bottom HF1300 effectively , but it is way more complicated than that.