![20230302_215055[1].jpg](https://cdn.head-fi.org/a/12001428.jpg)
Kiats
Headphoneus Supremus
The hum could also be a grounding issue perhaps?
Kiats
Headphoneus Supremus
Been enjoying the CRBN off the Carbon fed by the Bricasti M1 DAC, with LDAC streaming into a FiiO BTA30 Pro optical out into the Bricasti. Whilst I do have lots of Stax earspeakers, the CRBN does bring something else to the table. It is a bit finicky to get the right fit or position on my odd shaped head. But once I find the sweet spot, it is great for hours of enjoyment. 
UberHaxorMarty
100+ Head-Fier
Just a quick update any buzzing noise I got was actually a ground issue. Even Kingsound amp is fine when ran off battery into dongle into phone. I have isolated it to a ungrounded lightswitch that has buzz when on. Stronger lightbulbs that draw more power cause more buzz. Any suggestions for removing this noise?
ColSaulTigh
Headphoneus Supremus
Ground the light switch?
UberHaxorMarty
100+ Head-Fier
I can run a wire from it outside the switch to the ground I guess. There aren't many grounds in my house since it is over 100 years old and violates many electric codes nowadays
UberHaxorMarty
100+ Head-Fier
Ok I just capped off the ground wire and that actually reduced the noise a massive amount. I'll properly ground it with a long wire this weekend (I only noticed it was the lightswitch because I swapped to a higher power lightbulb recently)
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Moon Audio
"Featuring the most advanced electrostatic technology in decades, Audeze proudly introduces the CRBN electrostatic headphone (pronounced “carbon”), which features a new Patent-pending polymer film with suspended carbon nanotubes to eliminate problems commonly found in previous electrostatic designs. Originally developed for MRI medical applications, we've adapted those innovations for the audiophile version of CRBN, which top audio professionals have called the best sounding electrostatic headphone to-date."
I may be reading this wrong and this may be referring to the "new" technology. Although, this does not answer the Moon's claim to a new version. Can anyone speak to what has been revised for 2023?
Anyway, I decided to ship my CRBN back to Audeze this AM to hopefully repair the stator sticking and causing the "farts". My HP manafactured dates Dec/2021. I was going to live with them until I saw there was a new version.
CRBN Electrostatic Headphones 2023 version- Stated on Moon website.
I sent an email to Moon asking for clarification on the "new" 2023 version of the CRBN. They simply returned an email stating the CRBN has been revised for 2023. Ok, I see this on the Audeze website."Featuring the most advanced electrostatic technology in decades, Audeze proudly introduces the CRBN electrostatic headphone (pronounced “carbon”), which features a new Patent-pending polymer film with suspended carbon nanotubes to eliminate problems commonly found in previous electrostatic designs. Originally developed for MRI medical applications, we've adapted those innovations for the audiophile version of CRBN, which top audio professionals have called the best sounding electrostatic headphone to-date."
I may be reading this wrong and this may be referring to the "new" technology. Although, this does not answer the Moon's claim to a new version. Can anyone speak to what has been revised for 2023?
Anyway, I decided to ship my CRBN back to Audeze this AM to hopefully repair the stator sticking and causing the "farts". My HP manafactured dates Dec/2021. I was going to live with them until I saw there was a new version.
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I revised my posting to add the description from the Audeze website I missed earlier. Although, yes, a statement from Audeze would be good, thank you.
ThanatosVI
Headphoneus Supremus
The Red marked part applies to All CRBN revisions though.
The polymer Film with carbon nanotubes gave them the name.
I actually inquired also via email.
The last Time a revision wasn’t silent but actually announced was the LCD-X 2021 revision, which had actual changes to the sound
ColSaulTigh
Headphoneus Supremus
They'll just come back with "just live with your headphones farting, they're supposed to do that".
I won't be buying them...
I won't be buying them...
Yes, just reread and concluded the description refers to All CRBN revisions. Just interesting Moon Audio is claiming there is a 2023 version.
ThanatosVI
Headphoneus Supremus
They are not the only ones though, I also briefly checked and found others listing a 2023 revision
Yeah, I see what you were referring to as the context of the email. They did not seem very welcoming. I was reluctant to send them back because I really do like the HP, but I can simply turn my head and I get the feedback. I can live with a mild inconvenience, but not every time I move my head.
Trance_Gott
Headphoneus Supremus
There is no new revision in 2023. They fixed the farting in all models produced since March 2022. So when you have a older one it may can fart a lot more. Mine from that time has no problems no farting even when moving the head a lot not once a fart since then. People making a drama here for nothing. Send in to Audeze and you get a new model >March 2022 without probs!
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