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Author Topic: Ultrasone 880 and 840  (Read 2965 times)

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Sorrodje

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Re: Ultrasone 880 and 840
« Reply #10 on: January 22, 2015, 09:04:42 AM »
Quote from: ultrabike on January 22, 2015, 08:51:05 AM
I still like the HD600 better than the HD650 though... could be placebo and to me they are more similar than different.

I'm in the same page.

Thks for the comparison points ;)
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Solderdude

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Re: Ultrasone 880 and 840
« Reply #11 on: January 22, 2015, 11:57:57 AM »
Quote from: ultrabike on January 22, 2015, 07:37:33 AM

DC resistance is actually closer to 34 ohms. Good call!


Are the 2 drivers accidentally in series when making the measurement as 2x35 Ohm = 70 Ohm.
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Use your ears to enjoy music, not as an analyser.

ultrabike

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Re: Ultrasone 880 and 840
« Reply #12 on: January 22, 2015, 04:34:24 PM »
I'll revisit that tonite. I don't think that's what's going on (2 drivers in series) but we'll see.
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mkubota1

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Re: Ultrasone 880 and 840
« Reply #13 on: January 22, 2015, 07:45:27 PM »
Quote from: Sorrodje on January 22, 2015, 07:52:54 AM
When I compare the three Ultrasone series I rate them like this :

Bass amount : 840 > 880 >> 860 ( still an hearable mid bass boost though)
Treble harshness : 860 >> 880 > 840

My impressions from briefly listening to these are the same:  840 seemed bassy, the 860 sounded the most Ultrasone-y bright, and the 880 was a decent balance- not too bassy, not too bright (relatively speaking).

WRT the correlation between measurements and subjective impressions, could the offset drivers of the S-Logic play a part here?  I've noticed that along with the sometimes weird, disembodied sound they can give, these S-Logic cans are quite position sensitive on my head.
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ultrabike

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Re: Ultrasone 880 and 840
« Reply #14 on: January 22, 2015, 08:09:11 PM »
I can try moving them around a bit. In general, closed type cans with sealed pads can be a bit positional sensitive. I try to center the mic to where my ears my end up in most measurements, and as long as I'm not grossly off I do tend to get consistent results, even with these cans (I believe this is one of the advantages of not using an ear simulator for measurements).

Basically, while these might be positional sensitive due to the type of can, I didn't find them much more sensitive than similar type cans w/o the S-Logic deal. But will double check.

+++

I need an adapter to verify impedance measurement. Will update as soon as possible.
« Last Edit: January 23, 2015, 06:35:15 AM by ultrabike »
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ultrabike

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Re: Ultrasone 880 and 840
« Reply #15 on: January 24, 2015, 06:18:00 AM »
Impedance curves revised. Cans are indeed about 32 ohms.

Problem was the adapter I use requires 3.5 mm TRS, while the 3.5 mm cable that came with these has volume or mute control so it's TRRS. Somehow it may have put the drivers in series or something wacky. This does not affect other measurements or impressions since for that the 1/4" TRS cable was used.

It happens...
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Sorrodje

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Re: Ultrasone 880 and 840
« Reply #16 on: January 27, 2015, 08:13:55 AM »
LOL . I saw on the main page that Ultrabike refused to give pics. that's a real shame !  walk the plank

If people want some pics I have a bunch ;)  unboxing , on my head, details ...
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AstralStorm

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Re: Ultrasone 880 and 840
« Reply #17 on: February 02, 2015, 08:43:55 AM »
Again Ultrasone made something that can only be classified as sounding... weird. Less weird than 6xx but still.
Again super dependent on actual placement.

Good placement gets brightness and reduces these nulls, bad placement gets ugly comb filtering and weird positioning sounding like source behind head.

Why don't they just drop the buzzword reflectors from the design, since they're clearly not doing the job?
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funkmeister

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Re: Ultrasone 880 and 840
« Reply #18 on: February 10, 2015, 12:45:40 PM »
Thank you for confirming my ongoing belief that Ultrasound just doesn't do it.
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