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In Reply to: Re: Warfedale super 12 as/al woofer posted by johng on March 28, 2007 at 10:00:48:
If I were Bold I wouldn't worry about that. The Super 12 was highly regarded by the audio cognoscenti in its day.We didn't have T-S parameters and such in those days and I don't know that anyone has data on the 12, but I would bet, with that flux density, etc., it is a very low Q driver and needs a big bass reflex box. I recall Briggs describing it in detail in "Loudspeakers". One of the recommended boxes was a corner reflex design of some nine cubic feet with a lot of masonry. That's where he originated the sand filled panel. There was also a woofer version with a copper voice coil. I'm not sure it had quite as monstrous a magnet structure.
I have a copy of "Loudspeakers" somewhere in our loft. Cleaning out is on my wife's agenda for this spring, so it is likely to get done before my next speaker enclosures get built. When I find the book I will post on this forum. If anyone has any questions at that time I'll be happy to accomodate.
I recall him adding a tweeter wiith a series capacitor to "cater to the highs."
I'd look around for a copy of Briggs's book before I fooled around with it very much. The book itself is worth the effort.
Follow Ups:
Why is that no one is cloning his old designs or copying his genius? The idea that something good in 1960 is automatically good now is patently absurd. In this case the market has clearly spoken and Wharfedale stuff isn't worth the freight costs to ship it. If guys like you and Bold and Jerry were as knowledgeable as seem to think you are there would be people standing in line to buy this stuff. There isn't.
that cost more to ship than I paid for it. I consider it worth it, but I'd never consider its' sound on par with the w70s, I have in the garage. Point is this is the vintage asylum and value to an inmate may go beyond just the sound. But then again, some of this old stuff will hold its' own with todays gear, and doesn't depreciate as quickly."If guys like you and Bold and Jerry were as knowledgeable as seem to think you are there would be people standing in line to buy this stuff. There isn't."
"I'd bet there will be, down the road."
I'd bet against that but it would be easy now to buy low now because the market has spoken.
I do like vintage gear because theof the good sound but I agree that there are other factors. Build quality, history and style do play a part for me, also.The low power handling, best synergy with tubes and the high level of hand labor in manufacturing, would probably make a clone of old Warfedale designs a recipe for economic disaster for a modern company. In addition, even though I like the voicing, not everyone does. Certainly aspects of Warfedale designs such as cabinet vibration control, very high quality drivers and big magnets, are still viable today. But I am not looking to spend a lot of money, so I'll stick with vintage.
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