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In Reply to: RE: Dunlavy 1VA type clone speakers posted by DanWilson on May 13, 2012 at 22:47:25
1. Were your cabinet step-back depths for the drivers based on actual dimensions from the chosen drivers?
2. Did you consider or experiment with deep wool felt absorption surrounding the drivers?
3. Are your crossovers first-order, designed to maintain time-phase coherency?
"For a nominal service fee,
you can reach nirvana tonight."
Follow Ups:
I actually bought the speakers from someone in 2002 for 3000 dollars.
Just the drivers alone cost so much money.
The speakers sound great.
The bass is fast and tight. The mids are very smooth.
The guy who built the speakers really knew how to build them good.
A friend of his built the cabinet.
After i heard them, I told him i'll buy them from him for 3000 dollars.
Next thing i know, he sold me the speakers.
I had the Dunlavy 1V speakers and the tweeter sounds recessed.
Dunlavy made an amazing crossover, but didn't use the best drivers.
He used all Vifa drivers on the 1V speakers.
Hi Dan,
I owned Duntech Princess (older sibling to the DAL SC-IV and IVA). They had Dynaudio woofers and tweeter but Scanspeak mids. I'm not an expert on John's various products but I'm not aware that he utilized all Dynaudio drivers in any model. And as you may be realizing here, his crossover design was a significant element in the resulting sound from his speakers. Also, I'm not aware that he utilized Dynaudio drivers in his DAL speakers but I'm not as familiar with them. He would not admit this but I suspected he intentionally sought out less expensive drivers with his DAL models. I do know he was being conscious of keeping the retail price down, a major reason he returned to the US from Australia (where Duntechs are still made) to set up production here and minimize shipping costs.
This is not to suggest that your speakers are not wonderful. I just raised my initial three questions because they seemed to be potential differences from Dunlavy designs as I know them.
"For a nominal service fee,
you can reach nirvana tonight."
I flew down to Colorado to listen to his lineup. The Millenniums sounded far and away better than anything else he had, even the V's and VI's. I think it was the large, non-rectangular box the drivers saw. He said the way he used the drivers, the most expensive ones didn't sound better.
The speakers were magic, with the bass far better than anything I've heard since.
We'll have to agree to disagree about global warming until the next global cooling scare comes along
I'd like to add a fourth question - or maybe what should be the first question:
Is the crossover design identical to the original? Or is this a DIY home-brew effort using only identical drivers and similar looking cabinetry?
If you did your own crossover design, the questions M3 lover asked are perfectly valid.
So let us know! And do comment about the sound too...
Cheers,
Presto
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