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Campfire Audio Astrolith (Like New)

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Original price $ 2,199.00
Original price $ 2,199.00 - Original price $ 2,199.00
Original price $ 2,199.00
Current price $ 1,759.00
$ 1,759.00 - $ 1,759.00
Current price $ 1,759.00

Campfire Audio Astrolith

Overview

The latest from the acoustics team at Campfire Audio, Astrolith represents the tip-of-the-spear for IEMs using a pure planar magnetic architecture. Further expanding on Campfire’s lineage of planar earphones, Astrolith incorporates two new drivers wrapped in our PPR and AAOI tuning elements. Combining the inherent advantages of planar magnetic drivers with decades of acoustic engineering experiences brings about an incredible new horizon in the realm of planar magnetic IEMs. 

Highlights

  • Incredible technical performance, speed, & resolution
  • Deep reaching lows, down to subtle subsonic 5hz
  • Lightning fast highs, with incredible extension up to 25kHz
  • New AAOI and PPR driver tuning elements
  • New, updated 14.2mm planar magnetic low/mid driver
  • New 6mm planar magnetic tweeter
  • Unique, partially transparent shell
  • Hand-polished stainless steel faceplate
  • Stainless spout and MMCX capture

What's in the Box

  • Astrolith - Revolutionary Dual-Planar Magnetic IEM
  • TimeStream Metal 3.5mm & 4.4mm - Eight silver plated copper conductors in a supple ribbon-style jacket
  • Select Case - Handmade Leather 'Dimensional Folding' Case (Black)
  • Breezy Bag Jr. - Compact, mesh, zipper case for your HiFi accessory needs
  • Breezy Bag Micro - Two-pocket, mesh protective IEM pouch
  • Earphone Tips - Marshmallow and Silicone (various sizes)
  • Microfiber Cleaning Cloth
  • IEM Cleaning Tool
  • Famous CA Lapel Pin

Tech Specs

  • Frequency Response: 5 Hz - 25kHz
  • THD  less than .3%
  • impedance @1K: 8.2Ω
  • SPL: 94 dB @ 1kHz: 44.9 mVrms
 

Astrolith: Peak Performance, Inside and Out

Astrolith combines a 14mm planar magnetic main driver that ranges from sub-bass to mid frequencies and blends seamlessly with our 6mm planar true high-frequency tweeter. This internal architecture highlights the purity of the speed, accuracy, impact, and ultimate resolution that only a planar magnetic driver can deliver.

6mm Planar + PPR

With Astrolith, we are excited to reveal our first implementation of our 6mm planar magnetic driver, which is paired with our new Particle Phase Resonator (PPR) tuning chamber to bring truly astounding high-end performance. This driver is very atypical relative to other planar drivers due to its very small size.

Larger planar drivers already move incredibly fast, so shrinking the form down and focusing the response to the high frequencies, creates lightning fast transient response and upper range detail.

14mm Planar + AAOI

Filling out the body of Astrolith's tuning, is an updated generation of our 14mm planar magnetic driver. First seen in our renowned IEM, Supermoon, this updated version features refined mechanics and updated grille patterning.

The raw strengths of this driver have been carefully and precisely shaped by our new Additive Acoustic Optical Inclusion (AAOI) housing to hone the impact, texture, imaging, and layering ranging from the sub-bass to the midrange and gracefully blending with the upper registers powered by its companion, 6mm driver.

 


 

AAOI Housing

Campfire is proud to introduce our new Additive Acoustic Optical Inclusion housing (AAOI). This shell offers unique contributions in both performance and style. With built-in acoustic-shaping geometries, our AAOI housing contributes to the refinement and enhancement of the output of Astrolith’s dual planar magnetic drivers. These chambers are carefully engineered to create precisely controlled acoustic volumes and ensure the targeted vision for Astrolith’s sonic performance. 

In style, Astrolith’s shell is truly unique with the addition of its optically inclusive internal chambers within a transparent exterior. This creates a unique, gem-like effect, allowing for a changing perspective and internal visibility from various angles, appearing sleek and black at a distance, but revealing light and structure from within.

 

 

 

 

Particle Phase Resonator - PPR

Specially designed to couple with and enhance the performance of Astrolith's new and unique 6mm planar driver, Campfire's Particle Phase Resonator is one of our smallest and most precisely engineered driver housings to date. Shaping this driver's performance was an incredible challenge from an engineering standpoint; the size and speed of this driver called for incredibly low tolerances and delicate treatment.

Campfire's PPR smooths and tempers the 6mm driver while still allowing it to shine and do what it does best: create lightning fast transients, resolution, and top-end detail.

 

Tuned With Intention This curve displays relative volume levels at each point across the frequency spectrum, reflecting Astrolith's careful balance and refinement in tuning. Though frequency curves are a great general guide, they can't convey technicalities like soundstage, imaging, layering, etc 

 

Advancing Pure Planar Performance

Until recently, planar drivers were deemed unsuited for IEM applications; held back by size, sensitivity and cost limitations, they were long used in over-ear headphones. However, advancements in this technology have overcome these limitations enough for them to be used in portable, in-ear applications.

Now, the wonderful character and advantages of planar drivers can be brought to IEM lovers; with their unique blend of size and speed and accompanying unique sonic characteristics.

Campfire's first planar IEM, Supermoon's premium, planar sound quickly became a fan favorite and became one of the most renowned planar IEMs on the market. Moon Rover set a new standard for linearity and balance in Campfire's lineup. Now, Astrolith is the modern torch-bearer of Campfire's planar evolution.

New 14.2mm & 6mm Planar Magnetic Drivers

Astrolith blends our new 14.2mm & 6mm planar magnetic drivers in an elegant, crossoverless, tuning.

Our updated 14.2mm driver has updated and improved internal mechanics alongside a new acoustic grille pattern. This driver is carefully shaped by our in-house engineering to focus this driver outputs to the low through mid frequencies.

Another exciting introduction to the CA line, our 6mm planar magnetic driver brings a unique set of technical capabilities, with its lightning fast transient production and soaring high end extension up to 25kHz. This creates ultimate resolution, detail, and top-end imaging.

 

Even Diaphragm Movement

Planar driver’s serpentine voice coil is distributed evenly over the entire surface of the diaphragm which stimulates driver movement such that the driver does not warp or bend as it moves back and forth. This contributes to the drivers incredible accuracy and rapid impulse response, making each note tight and defined and avoiding smearing seen in other large, dynamic drivers. 

Coupling the speed and even movement of the drivers diaphragm enables Astrolith to create incredibly accurate representations of the original sound.

Even Diaphragm Movement

Planar driver’s serpentine voice coil is distributed evenly over the entire surface of the diaphragm which stimulates driver movement such that the driver does not warp or bend as it moves back and forth. This contributes to the drivers incredible accuracy and rapid impulse response, making each note tight and defined and avoiding smearing seen in other large, dynamic drivers. 

Coupling the speed and even movement of the drivers diaphragm enables Astrolith to create incredibly accurate representations of the original sound.

Even Diaphragm Movement

Planar driver’s serpentine voice coil is distributed evenly over the entire surface of the diaphragm which stimulates driver movement such that the driver does not warp or bend as it moves back and forth. This contributes to the drivers incredible accuracy and rapid impulse response, making each note tight and defined and avoiding smearing seen in other large, dynamic drivers. 

Coupling the speed and even movement of the drivers diaphragm enables Astrolith to create incredibly accurate representations of the original sound.

 

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