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Author Topic: Sennheiser HD650 CSD Waterfall Plots  (Read 7724 times)

marvey

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Sennheiser HD650 CSD Waterfall Plots
« on: December 05, 2011, 07:58:49 PM »

Sennheiser HD650 CSD Waterfall Plots. These cans are very clean.
« Last Edit: June 20, 2012, 11:18:27 PM by purrin »
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LFF

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Re: Sennheiser HD650 CSD Waterfall Plots
« Reply #1 on: December 05, 2011, 08:46:37 PM »

That is impressive....
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marvey

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Re: Sennheiser HD650 CSD Waterfall Plots
« Reply #2 on: December 05, 2011, 08:49:19 PM »

There's a dip in the upper midrange / lower treble. I'm wondering if this accounts for the "veil". I've heard this headphone many times and did note this area is recessed, but I would hardly call this headphone veiled. If the HD650 is veiled, then the LCD2/3 is AM radio.
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rhythmdevils

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Re: Sennheiser HD650 CSD Waterfall Plots
« Reply #3 on: December 05, 2011, 09:14:44 PM »

Recessed upper midrange FTW!!!! 

I bought these for the 3rd time after seeing your CSD on the other site and I like them, they're not offensive but they still sound dull to me.  I don't think I have enough jiggawatts for them.  Either that or I've gotten use to orthospeed
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marvey

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Sennheiser HD650 Frequency Response
« Reply #4 on: December 09, 2011, 10:13:48 AM »

Sennheiser HD650 Frequency Response
« Last Edit: December 09, 2011, 11:55:43 AM by purrin »
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rhythmdevils

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Re: Sennheiser HD650 CSD Waterfall Plots
« Reply #5 on: December 09, 2011, 11:26:23 AM »

Do you hear a dip in the upper midrange to that extent?  I don't...
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marvey

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Re: Sennheiser HD650 CSD Waterfall Plots
« Reply #6 on: December 09, 2011, 11:55:13 AM »

I heard a dip more in the lower treble with these cans. Unlike peaks, dips are very very hard to hear.
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khaos

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Re: Sennheiser HD650 CSD Waterfall Plots
« Reply #7 on: December 12, 2011, 03:25:00 AM »

An interesting experience would be to play with either a parametric EQ or a FIR based EQ until the measured frequency response is near flat, and then report how it sounds, alternatively, one could play around with EQ until it sounds flat an neutral and then measure the FR (that's more or less what LFF did with the Paradox if I'm not wrong).

I think the HD 650, the HD 800 or the LCD-3 should be quiet appropriate for these endeavors since their FR is quite regular to begin with.
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victor25

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Re: Sennheiser HD650 CSD Waterfall Plots
« Reply #8 on: March 06, 2013, 11:53:33 PM »

I'm interested in how the HD600 will compare to these. Are there any measurements or any proof that there is such a thing as the old and new HD650's? Mine are very old with the black drivers/backs.
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donunus

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Re: Sennheiser HD650 CSD Waterfall Plots
« Reply #9 on: September 04, 2013, 06:12:38 AM »

Random statement here: I have heard an old black driver hd650 with much less upper mids to lower treble vs a silver driver one before but now I have gotten a hold of a silver driver version that sounds more like the old black driver one WTF is up with the hd650 quality control?
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Re: Sennheiser HD650 CSD Waterfall Plots
« Reply #10 on: September 09, 2013, 02:26:50 AM »

Random statement here: I have heard an old black driver hd650 with much less upper mids to lower treble vs a silver driver one before but now I have gotten a hold of a silver driver version that sounds more like the old black driver one WTF is up with the hd650 quality control?

hmm... I have silver driver made in 2012, still I think they lack sparkle and engagement of upper mids. probably this is why I don't like them...(I modded it but still not my cup of tea) is your driver's diaphragm transparent?

New= thicker Duofol material with parts number printed on diaphragm.
Old= thinner, shinier, with a number stamped on to the center of the diaphragm''

more pics: http://www.head-fi.org/t/197776/sennheiser-hd650-appreciation-thread/3990
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ultrabike

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Re: Sennheiser HD650 CSD Waterfall Plots
« Reply #11 on: July 16, 2014, 11:55:08 PM »

Adding an HD650 measurement redo... Something seems to be wrong with the left channel this time (very easy to hear). It may be a cable contact problem, but not sure.

Frequency Response



Distortion Right



Distortion Left



CSD Right



CSD Left

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