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Author Topic: Positional measurements. V-Moda M-80 and Beyer DT1350  (Read 3323 times)

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Marvey

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Positional measurements. V-Moda M-80 and Beyer DT1350
« on: June 23, 2012, 09:47:34 PM »
V-Moda M-80 positional measurements.

1] Centered (YELLOW)
2] Shifted Downward 5mm (ORANGE)
3] Shifted Downward 5mm and Forwards 5mm (BLUE)
4] Shifted Forwards 5mm (PURPLE)
5] Shifted Back to Centered (GREEN)


Beyer DT-1350 positional measurements.

1] Centered (YELLOW)
2] Shifted Downward 5mm (ORANGE)
3] Shifted Downward 5mm and Forwards 5mm (BLUE)
4] Shifted Forwards 5mm (PURPLE)
5] Shifted Back to Centered (GREEN)
« Last Edit: June 27, 2012, 03:01:00 AM by purrin »
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arnaud

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Re: V-Moda M-80 positional measurements.
« Reply #1 on: June 23, 2012, 11:15:51 PM »
That's fairly consistent  :) A shame you don't have such data for the 1350! When I see the discrepancies just below few hundred Hz, it really makes me wonder about the seal (but your rig is somewhat less sensitive than typical dummy heads in that regards, as I recalled you said previously? I heard one yesterday at a mini meet (1350), it wasn't half bad, can't say the same of the first time I heard them (soon after listening to m80 val brought to tokyo).
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Marvey

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Re: Positional measurements. V-Moda M-80 and Beyer DT1350
« Reply #2 on: June 27, 2012, 03:01:26 AM »
Added DT1350 positional measurements.
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rhythmdevils

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Re: Positional measurements. V-Moda M-80 and Beyer DT1350
« Reply #3 on: June 27, 2012, 06:49:13 AM »
Wow!  Impressive.
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arnaud

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Re: Positional measurements. V-Moda M-80 and Beyer DT1350
« Reply #4 on: June 29, 2012, 07:15:15 AM »
Brilliant Marv, it really adds credibility to your previous test with the various serial numbers. This is of coarse after taking the headphone off the rig and on again right? You should post it in the same thread at HF for reference, it's neat work!
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Marvey

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Re: Positional measurements. V-Moda M-80 and Beyer DT1350
« Reply #5 on: June 29, 2012, 07:34:14 AM »
Yup. Headphone off the rig. Various foam, felt, solid plates removed. Microphone re-positioned. Amps powered down. PC powered down, etc. I did this more for myself and the people who send their headphones to me than the HF fanboys. Whatever I post there, it would never be enough for them!  They would next be asking for tectonic plate movement isolation, faraday cages, and EMP protection.

There is also a set of three measurements taken for the DT1350 #4. I'm sure you already saw that:  http://www.changstar.com/index.php?action=post;msg=5908;topic=367.0
« Last Edit: June 29, 2012, 07:36:24 AM by purrin »
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