HEDD Audio HEDDphone AMT Driver Headphones

HEDDphones use Air Motion Transformers, visible from the outside of the open-back earcups, to deliver an incredibly rich soundstage and pristine high end.

Made for audiophiles and recording artists, HEDD AMT headphones feature the full-range Air Motion Transformer (AMT), an electrodynamic transducer ​that allows to move air significantly faster than common voice coil, planar, or electrostatic systems. Their traditional piston-like movement is overcome by a folded diaphragm that squeezes out air four times faster: A breakthrough for capturing more details in a musical recording.

30 years ago, HEDD founder and CTO Klaus Heinz designed the first compact and marketable AMT tweeter based on American-German Physicist Oskar Heil's original Air Motion Transformer invention. Since then, Heinz has increased its sonic quality in several fundamental revisions for his loudspeaker tweeter designs at ADAM Audio and HEDD.

In 2019 Heinz has started developing a full range Air Motion Transformer to break grounds for this superior transducer principle. In order to reproduce the complete audible frequency band (and beyond), the HEDDphone incorporates VVT technology (Variable Velocity Transform). It offers variable diaphragm geometry that expands the AMT principle to a linear full range (10Hz-40kHz) headphone transducer.

The HEDDphone brings the enormous dynamic capabilities and the superior sonic resolution of the AMT principle to the world of top-end headphones. HEDDphone excels where it really matters: in accurate, untamed, and touching music reproduction.

Features:

- Open over ear headphone
- Full-range Air Motion Transformer with VVT read more Technology
- Up to 3 times the diaphragm size compared to conventional drivers
- Mini-XLR Connector, high quality 6.3mm single ended 2 m cable included
- Custom artificial leather earpads
- Hand-built in Berlin, Germany
WARNING: Cancer and Reproductive Harm - www.p65Warnings.ca.gov.
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Efficiency: 87 dB SPL for 1 mW
Impedance: 42 Ohms
Weight: 718 g
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 7 lbs
Shipping Dimensions: 16 x 13 x 8 in
Manufacturer Part Number (MPN): HEDDPHONEONE

For support or warranty questions, please contact the manufacturer:
Phone:
Email: info@hedd.audio
Web: https://hedd.audio/contact/

Reviewers gave this product an overall rating of 5 out of 5 stars. (1 ratings)
Submitted April 23, 2022 by a customer from charter.net
"Clean, Clear, Analytically Lush(?), DEMANDING..."
Overall: 5 out of 5 stars
(see rating details)
Verified Customer zZounds has verified that this reviewer made a purchase from us.
I had these for about 5 weeks, trying to integrate them into my 'semi-pro' recording/engineering pursuit, while also using them for pleasure listening on my high-end Home Audio rig. I only used these balanced, and recommend you do the same. The problem with that is I had to pay ~$170.00 to get a balanced cable!!! Are U kidding? These headphones DEMAND a high current, high quality Headphone Amp that can thake them as low & (gorgeously) high they can go. I used a trusty Neve HPA for these and it was barely up to the task. I finally got th ebest results with an xDuoo TA-20 modded with better tubes & a high-current power supply from Amazon. In summary, I LOVED these cans but they had enough weaknesses at their price point I had to RELUCTANTLY return them. They take EQ well and you will ABSOLUTELY have to EQ the octave between Low E 440Hz on a std 4 sting bass, (42.1 Hz), and appx 25Hz. You DEFINITELY will need a bump right around the low B on a std 5-string bass (~31 Hz). Please use a really good EQ with adjustable "Q" for each freq. For instance, my Q rating for 31Hz was 4.4! These need a narrow correction in the band between 20 Hz & 50Hz, approximately. I loved them so much I wanted to keep them, but had to take advantage of Zzounds return policy. GREAT PRODUCT; be prepared to do some serious tweaking to use for serious work.
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