Differences between Tannoy 8 inch units - diyAudio
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Old 19th November 2011, 04:36 PM   #1
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Default Differences between Tannoy 8 inch units

Hi!

I'm wondering if anyone knows anything about the differences between the Tannoy 8 inch dual concentric speaker units as used in the DC1000/2000/3000 and the Tannoy 609/611?

The Tannoy i8 appears to be the same design but uses a paper cone.

The crossovers are slightly different but do the units themselves really sound different?

Best wishes

David P
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Old 19th November 2011, 08:05 PM   #2
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Paper sounds different to plastic. I'd prefer a good paper driver myself, but you get good and bad designs with any material.

The Art of Speaker Design, Part II
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Old 19th November 2011, 08:25 PM   #3
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Yes - thanks - of course I prefer paper - but it's really about the interaction between tweeter and woofer cone at around the crossover frequency that becomes interesting - and my feeling is that the DC2000 is flatter than the 611: is this on account of different tweeter horn or the crossover . . . ?

Many thanks

Best wishes

David P
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Old 21st November 2011, 02:00 AM   #4
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These units use different tweeter geometries but does anyone know whether it's these or the crossovers that make the most difference?

Best wishes

David P
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Old 23rd November 2011, 10:31 AM   #5
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I bought a pair of 8 inchers from the DC1000, cone is black polypropylene with a rose-golden tweeter waveguide, double magnet. I didn`t like their sound in a bass reflex cab with a Chebyshev filter made by a friend. Chassis is stamped steel.
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Old 23rd November 2011, 11:24 AM   #6
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Hi!

Thanks. Yes - the differences between the DC2000 and 611 speakers are subtle but profound - the DC2000 has a very smooth flat-ish unexciting sound which I suspect is accurate whilst the 611 has an excitement to the music particularly on trumpets. Applying a signal to the tweeters the DC2000 sounds slightly nasal whilst the 611 is sweeter, contrary to the expectation of the overall sound of the speaker. The DC2000 has a set of near conic section waveguides whilst the 611 is which I beleive to be commonly known as the tulip. Is this more governing than the different crossovers used?

Best wishes

David P
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