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  • ZMF Caldera Closed - Ash
  • ZMF Caldera Closed - Zebrawood

ZMF Caldera Closed

Flagship Planar Closed-back Headphones

  • ZMF’s first fully closed planar headphone, evolved from the Caldera Open.
  • Features ADS damping, Caldera Pad, and Magnet Systems for refined tuning.
  • Delivers speed and dynamics with added sub-bass and near-Harman balance.
  • Unique “Caldera Volcano” cup design offers comfort, style, and lighter feel.
  • Available in Zebrawood or Shou Sugi Ban Ash, each pair uniquely grained.
Regular price $5,372.00
Sale price $5,372.00 Regular price
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ZMF Caldera Closed

ZMF Caldera Closed

THE STORY

Hear the Culmination of Decades of Work

ZMF Started in 2011 with Zach Mehrbach modding t50rp's at his dining room table.  The t50 era of ZMF, was defined by the tag “Ortho Magic”. Now looking to expand on that same mystique - ZMF has come full circle, with our first proprietary closed Planar, and Ortho Magic is back utilizing trickle up ideas from the early days, ZMF's current line-up uses fully patented acoustic systems to bring a sound that is truly dynamic, in a planar world.

Thee ADS system is now fully patented and fully utilized.  Three levels of damping plus a key electronic filter circuit make the Caldera Closed a segmented system filtering sound in both p so that frequencies are decayed and presented in as natural a manner possible.

Asymmetrical Magnet Structure

Designed with Tuning in Mind

Planar drivers are large and energetic, putting out a lot of air from their paneled structure.  With the Caldera's unique damping system and driver design, you get the best of both worlds, tons of dynamic driver nodal energy, natural timbre, and planar resolution and sonic density. With the optional ZMF tuning kit, front SaaTi mesh and different pads provide 12 different recommended tuning options that go from an aggressive ensemble to laid back and dreamy.

ZMF is here for you, for whatever your ears need.  Check out the pad guide and mesh rolling video's (coming soon).

Acoustic Geometry

The unique geometry of the Caldera Closed is inspired by the extruded, distorted shapes that only a volcano can create. Its asymmetrical shape functionally cancels back-wave sonics and channels sound through multi-stage filters, resulting in a precisely tailored and acoustically pleasing sonic landscape..

ADS System

In the past, my experience was with t50rp Fostex modded drivers for closed back planar headphones. With the Caldera Closed, I quickly realized that there was a TON more energy within the massive Caldera driver with CAMS magnets letting all that air flow out. Utilizing the ADS system and fine tuning the airflow took a massive effort, as many small changes of each sector of the closed back was needed to optimize the tuning of the Caldera Closed.

Specifications

Technical

  • 60 Ohms

  • 2 μm Planar Magnetic, CAMS Patent Pending

  • ADS Patented System

  • Caldera Patent Pending

  • 500 – 560 g

  • ~94 dB/mW

Includes

  • Shou Sugi Ban Ash or Zebrawood Caldera

  • ZMF Clamshell Case

  • ZMF Stock Braided Cable, OFC Cable

  • ZMF Caldera Stock Pads, Secondary Pads

  • ZMF Owner's Card

  • Lifetime Driver Warranty

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