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Dynavox TD2801XL 1-1/8" Silk Dome Tweeter
USING AN 8" DAYTON RS225-8 AND A DAYTON X02W-2.5K X-OVER WITH THIS TWEETER. THE DYNAVOX IS APPROX. 3 DB'S BRIGHTER. WHAT DO I DO TO GET THE TWEETER TO MATCH THE 8" IN DB'S?
You can either use a variable L-pad like below, or a fixed resistive L-pad by using a 1.5 ohm resistor in series and 12.5 ohm in parallel after the crossover.http://www.parts-express.com/parts-express-speaker-l-pad-attenuator-50w-mono-1-shaft-8-ohm--260-255
Date published: 2015-02-23
What is the thickness of the front mounting plate of these drivers? Also, has the manufacturer or anyone else produced a set of frequency response, distortion and impedance graphs?
The flange thickness on this tweeter is 4.5mm or .177".
Date published: 2014-11-18
height of dome for recessing?
I have a pair of 3.5 way? dual woofer Dante cabinets 3/4 mdf from the 80's and the factory speakers where rear mounted and cabinets covered on three sides with fabric.Does anyone know how "deep I would have to recess this tweeter so that it doesn't rub the fabric when I redo them? I intend on recessing and front mounting all the drivers.Maybe someone knows an accurate way to recess a speaker when there is already an existing hole?Didn't know where to ask that last question Thank you much.
The dome of a tweeter does not need to be flush with the baffle, this can actually cause ripple affects in the response. Instead you want the flange of the tweeter as flush as possible to prevent this from happening.
Date published: 2013-08-09
will this tweeter mate with aurum cantus ac-180f1 mid/woofer for a2way
Both are quality drivers and should mesh well together. You can cross over anywhere in the 2k - 4k range depending on whether you like woofer or tweeter covering those ranges. I often cross my designs over at 3k even if the tweeter is capable of lower. The tweeter is slightly more efficient than that woofer so L-Pad to taste. Sounds like a killer combo.
Date published: 2012-03-11
What software will open the freq data into a graph?
You can use either Microsoft Excel or the free "libreOffice" "calc" spreadsheet programs.In libreoffice, use insert, sheet-from-file, play with the settings until it makes some kind of sense, then load it. Then you will have to delete cells (or highlighted groups of cells) being sure to "shift left" until all of the data lines up. Then you click the "chart" button and go through those settings until it makes sense, making the frequency the domain and the remaining two columns the range... I did this with the impedance, phase charts and it came out good. I'm a bit concerned by the phase response at really high frequencies, but oh well...I agree that it would be much more convenient if the values were provided as a CSV or XML file.
Date published: 2011-07-21