DUNU VULKAN DK-X6 Advanced Six Driver Hybrid In Ear Earphone Instruction Manual

DUNU IS CELEBRATING 20 YEARS OF CONTINUAL INNOVATION IN PREMIUM AUDIO
HYBRID INDEARS ARE AN INTEGRAL PART OF THIS HISTORY

VULKAN DK-X6 Advanced Six Driver Hybrid In Ear Earphone

EXPERIENCE DISTILLED.

By channeling our culture of continual improvement, DUNU leverages the latest tools in our bag to build on our storied legacy of hybrid in-ear engineering with VULKAN.
ANDY ZHAO, CHIEF ENGINEER

MOKUME GANE INSPIRED FACEPLATES

Like metamorphic rock transformed from igneous origins, the serpentine, layered pattern of the mokume gane inspired faceplates marks a new aesthetic direction for DUNU. Macro Photograph of a VULKAN faceplate.

CNC MACHINED ALUMINUM SHELLS

Ergonomically-shaped for a wide variety of ear shapes and sizes, VULKAN’s aluminum alloy shells are precision-machined for a perfect fit.

AN ALLḋNEW ARCHITECTURE

For VULKAN, we went back to the drawing board to engineer an entirely new acoustic setup.

3D PRINTED ACOUSTIC WAVEGUIDE

An additively manufactured waveguide and mounting bracket enhances mounting stability and coherence of imaging.

DIGITAL PATHWAY OPTIMIZATION
The acoustic conduits were optimized via virtual design tools prior to extensive real-world listening tests.

LOW FREQUENCY CONTROL

Our exclusive, labyrinthine Air Control Impedance System (ACIS) helps reinforce the response of a dynamic driver’s lowest registers without hampering speed or stymying texture. VULKAN utilizes the latest generation ACIS module and is also found on DKḋ4001, ZEN, ZEN PRO, and EST 112.

DUAL 8 MM COAXIAL DRIVERS

The unique coaxial design of the dual 8 mm dynamic drivers enables the two drivers to work synergistically, allowing VULKAN to exert both control and power over its low end response.

STRUCTURAL FOAM CELL DRIVER
Inspired by our advanced driver designs, this unique 8 mm woofer driver pairs an extremely lightweight yet rigid structural foam cell dome to a flexible, independent  urround,
allowing the driver to behave like a natural woofer, with deep bass reproduction and dynamics.

NANOCRYSTALLINE TITANIUM DRIVER

Positioned behind and acoustically coupled to the foam cell driver, this titanium-coated driver does not have a domed design and allows the dual unit to reproduce lower midrange frequencies with stellar linearity and quality transient response.

Measured with wide-mouthed DUNU brand silicone ear tips (small size) on GRAS RA0045 with 40A0-equivalent WS2P pre-polarized pressure field microphone (rated for a flat frequency response from 20 Hz to 20 kHz). No major difference was noted in measurements with swept sine and periodic pink noise sources.

SPECIFICATIONS

BRAND DUNU
MANUFACTURER DONGGUAN TOP DEN ELECTRONICS CO. LTD.
MODELS DKḋX6 (VULKAN)
NET WEIGHTḊ 17 g
FREQUENCY RESPONSEḊ 5 Hz – 40 kHz (HIḋRES Certified)
IMPEDANCEḊ 15 Ω at 1 kHz
SENSITIVITYḊ 109 ± 1 dB at 1 kHz
TOTAL HARMONIC DISTORTIONḊ < 0.3% at 1 kHz
DRIVER UNITS DYNAMIC DRIVER UNITS [2]:
8 mm Structural Foam Cell Dome with Soft Independent Surround [1] 8 mm Nanocrystalline Titanium-Coated Diaphragm [1] BALANCED ARMATURE UNITS [4]:
Knowles Mid-High Driver (×2) [2] Knowles Dual Super tweeter (×1) [2] CABLE SPECIFICATIONS
WIRE MATERIAL 4 Core, High-Purity, Silver-Plated OCC Copper Type 1 Litz (DUWḋ02S)
LENGTHḊ 1.2 ± 0.1 m
CABLE CONNECTORḊ Patented Catch-Hold MMCX Connector
PLUG CONNECTORḊ Patented QḋLock PLUS Quick-Switch Modular Plug System
INCLUDED PLUG TERMINATIONSḊ
3.5 mm TRS Single-Ended
2.5 mm TRRS Balanced
4.4 mm TRRRS Balanced

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