Rosson Audio Design RAD-0 - Alex's Beautiful New Baby
May 2, 2019 at 7:04 PM Post #16 of 1,033
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I emailed info@rosson.audio and asked for a FR graph they emailed back pretty quick and here it is.
 
May 2, 2019 at 7:38 PM Post #17 of 1,033
They aren’t Audeze heavy and won’t slide off. It’s little more clamp force but HE1000 comfortable.
Good to hear. I wonder how they compare to the Acoustic Research.
 
May 3, 2019 at 6:50 PM Post #19 of 1,033
I’m not ready to give sound impressions. I’m also waiting for cable by Rosson audio to arrive, ordered 4 pin xlr that they just made on request.
 
May 3, 2019 at 10:18 PM Post #20 of 1,033
I emailed info@rosson.audio and asked for a FR graph they emailed back pretty quick and here it is.
Unfortunately, this graph doesn't really tell us that much, because it looks like it has had a compensation curve applied to it. A FR graph with the raw response is what you want.

Also, I hope the starting dBSPL level for these is not correct. Because if it is, it would mean that these headphones are only 81 dB/mW, making them even harder to drive than the infamous HiFiMAN HE-6 and Susvara, which are rated at only 83 dB/mW and requires a minimum of 1-2 Watts just to wake them up! :scream:
 
May 3, 2019 at 11:32 PM Post #21 of 1,033
Unfortunately, this graph doesn't really tell us that much, because it looks like it has had a compensation curve applied to it. A FR graph with the raw response is what you want.

Also, I hope the starting dBSPL level for these is not correct. Because if it is, it would mean that these headphones are only 81 dB/mW, making them even harder to drive than the infamous HiFiMAN HE-6 and Susvara, which are rated at only 83 dB/mW and requires a minimum of 1-2 Watts just to wake them up! :scream:

It’s says unsmoothed, not sure if there is any curve applied. Could be wrong though
 
May 3, 2019 at 11:41 PM Post #22 of 1,033
Unsmoothed just means that the tiny peaks and dips (which are usually just fractions of a dB each) of the FR measurement haven’t been removed or ‘smoothed over’.
 
May 6, 2019 at 7:36 PM Post #24 of 1,033
What a big improvement with the XLR cable Rosson audio made for me. They should offer this as an option.
 
May 9, 2019 at 8:07 PM Post #26 of 1,033
The Rad has great low end, mid bass is good. Mid range and higher seems Neutral.
 
May 11, 2019 at 11:44 AM Post #27 of 1,033
The Rad has great low end, mid bass is good. Mid range and higher seems Neutral.
i assume not many heard it, but would like more detailed comparisons
 
May 11, 2019 at 11:50 AM Post #29 of 1,033
Me too. Would like to know how they stack up to Audeze.
to be honest i am bit surprised for lack of info, as it was at canjam i assume, i thought lot of people would give some impressions but apparently not
 

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