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Old 15th September 2005, 12:31 PM   #1
Tomac is offline Tomac  Croatia
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Default Gradient speakers

Doeas anyone know more about this company? I'm not thinking of high end speaker manufacturer from Finland, but on Germam company of same name which produces speaker drivers. I believe they are not made by them since in their catalogue I can recognize some of Czech TVM drivers, I've also heard that DST manufactures some drivers from them. I'm interested in their aluminium drivers, they seem nice and are not expensive. Anyone tried them or maybe knows who actually manufactures them?
Here is link on their catalogue.
http://www.intertechnik.de/user/gradient_hb_2004.pdf

thanks!
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Old 15th September 2005, 01:00 PM   #2
joensd is offline joensd  Germany
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Hi,
I bought the Gradient W160AL8 after reading you can use it fullrange.
The treble was so nasty and simply not enough I mated it with a Tangband W3-871S actively XOed.
Click the image to open in full size.
The credit for the ML-TL design goes to Greg Monfort (GM), it works like a charm. Tight bass out of one "little" 16cm-chassis.
(Iīm stuck with ML TQWT sim. Any help?
1st design from GMīs response)
There was not one day I was thinking about using my subwoofer, neither for music or HT. (IMO of course)

A german online magazine mated the W160AL8 with another 3"-fullrange (Veravox 3). Passive XO and a sealed cabinet ~17l.
I heard it at a hifi-show and it was stunning. Especially looking at the price of the combination. 23€ for the Gradient, 35€ for the Veravox and a 12dB passive XO.

In a german speaker-forum there is an ongoing project with a W160AL8 and a Peerless WA10.
If they do publish plans at one point Iīll let you know.

Donīt think you can wrong with that chassis. The other Gradients never really were featured very much.

Greets
Jens
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Old 15th September 2005, 01:22 PM   #3
Tomac is offline Tomac  Croatia
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thanks for your fast reply. Where did you xo the Gradient? Which frequency? How steep?
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Old 15th September 2005, 01:31 PM   #4
joensd is offline joensd  Germany
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Iīve found crossing over in the region of 200-300Hz to sound best.
Iīm using a Behringer CX-2310 and so 24dB Linkwitz-Riley filters.
I still havenīt sealed the Tangband in itīs own little enclosure as Iīve started on another project but itīs a very nice speaker.
I was also playing with 6dB filter (passive) which do quite OK.
(only have very little parts to play with and didnīt measure anything)
Only thing is the little fullranger ideally wants a 12dB to produce good SPL and not run out of excursion.

the combo with the veravox3:
http://www.audio-club.de/text.php?id=53&s=read

greets
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Old 15th September 2005, 01:44 PM   #5
Tomac is offline Tomac  Croatia
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I was hoping it could be crossed round 1.5, 2 Khz with 4th order, but I guess resonances could give me some trouble
huh,we'll see
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Old 15th September 2005, 02:26 PM   #6
joensd is offline joensd  Germany
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When I said nasty well, I donīt mean nasty resonances.
The sound with missing treble was somehow awful, compressed.
The fact that the resonances are indeed not too extreme led one of the big german speaker magazines to present them as fullrange.

I think you should be able to cross over at 2kHz but thatīs IMO and what do I know?
Have a look yourself:
Just found those two from Klang+Ton, Hobby Hifi.
Click the image to open in full size.
Click the image to open in full size.
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