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In Reply to: RE: Do Tannoy DCs have a midrange honk effect ? posted by beppe61 on November 24, 2014 at 05:50:54
For $18k I you could do better. Personally for that kind of scratch I would shop where I could audition them with MY stereo.
Traditionally full range drivers do have some sort of "hump" somewhere in the audio spectrum. Just can't be helped when you are making the "perfect" driver.
Follow Ups:
Hi and thanks for the valuable reply
I am in the process of buying an old pair of 609 mk II for what i think is a very good price
Then looking for opinion on this very old speaker there was a guy mentioning this honk effect in the midrange that i intend like a "megaphonic" effect.
But i have also the strong feeling that this applies maybe only to the cheapest DCs, not the good one.
So i would like to understand if this effect is typical of the concept or depends on the execution.
I tought Tannoy were very good in the midrange but now i do not know for sure.
For me midrange quality is very important.
Thanks again.
Kind regards,
bg
Edits: 11/24/14
Erm.. Frankly Don't bother.
Only a glimpse of what a real Tannoy sounds like
BUY Tannoy Monitor Golds Or HPDS in the absence of Golds.
MASSIVE performance differences involved. Yup Mo'$$
But these are buy once in a lifetime drivers.
You will Never needs upgrade again.
Hi and thanks and actually the price difference is huge so i guess the quality
I heard the old Eatons sporting a 10" HPD DC and they were very good
I loved them but not the cabinet ... just a box nothing more.
Next buy will be serious ... no more side moves.
Thanks again.
Kind regards,
bg
Tannoys are not full range drivers.
They are co-axial 2ways.
The honk disappeared with the introduction of a notch filter as part of the crossover sometime in the early '60s.
With the introduction of the tulip waveguide in 1990 the notch filter became redundant as the cause of the honk had been removed thanks to CAD.
I hope the notch filter was removed. I've tried a few designs with notch filters and WOW, did it crap up the sound. Or it just may have been the sound was crappy and the filter couldn't remove all the "noise". That was back in my metal cone dazes.
Either way I avoid anything with a nasty spike before or after designed.
charles
It's not a spike, more a wide(ish) hump.
Tannoys had that in common with the vast majority if not all pre-CAD horns.
Dropping 2-3dB with an medium Q in the right part of the frequency spectrum sorts it out nicely.
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