I am curious about the driver used in the attached Daline article from 1974. The type is referred to as "Radiospares type 163-TC". The article mentions it is a "twin-cone drive-unit of 6 1/2 in. diameter and 55 Hz free air resonance" but no further info is given. I can't find anything about it on the web. Does anyone have an old datasheet or catalog page or whatever that lists some properties of it?
Looking at the article it seemed very familiar. It turns out to be the pre-amble to the B110 Daline (published about 6 months later), never ever realized there was an earlier one.
I have the full article if wanted.
The articles i scanned were provided by KEF to help sell KEF drivers, so likely one of the reasons i missed the RS driver.
A Daline is a TL with a large prechamber and a smaller then usual line.
dave
I have the full article if wanted.
The articles i scanned were provided by KEF to help sell KEF drivers, so likely one of the reasons i missed the RS driver.
A Daline is a TL with a large prechamber and a smaller then usual line.
dave
Thanks for chiming in, Dave. My interest was sparked because I heard a pair of these original Dalines a couple of days ago, equipped with the Philips AD7063/M4 and they were a pleasant surprise. This design appears tuned to the RS 163-TC, so I got a bit curious, wanting to compare these drivers and see if something out of modern production comes close to them.
It will not become my main system, but as a secondary system in the home office, mated with my yet to be restored Bocama (=Lafayette) LA224B, they could be very nice.
It will not become my main system, but as a secondary system in the home office, mated with my yet to be restored Bocama (=Lafayette) LA224B, they could be very nice.
