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OJAS is the creative pen name of Devon Turnbull. As a university student studying Audio Engineering he started using the name across a variety of disciplines including graffiti, music, graphic design and clothing design. In 2003 Turnbull co-founded the clothing brand Nom de Guerre with Isa Saalabi, Wil Whitney and Holly Harnsongkram. For the next decade, while primarily working in fashion, the name OJAS was kept alive on sound sculptures Turnbull was crafting for himself and a growing number of audio enthusiasts around the world. With a particular interest in high efficiency speakers and low powered tube amplifiers, Ojas audio equipment aims to bring realistic, natural sound to the listener. These products are the result of two decades of experimentation, engineering and explorations in the audio underground.
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The Nature of Sound


Sound is considered to be of two kinds, one a vibration of ether the other a vibration of air.
The vibration of ether which cannot be perceived in the physical sense, is considered the principle of all manifestation the basis of all substance the “music of the spheres” it forms permanent numerical patterns which are the basis of the worlds existence, this kind of vibration is not caused by physical shock as are audible sounds. It is therefore called anahata “unstruck”, the other kind of sound is an impermanent vibration of air, an image of the ether vibration. It is audible and always produced by a shock. It is therefore called ahata or “struck”.
Struck sound is said to give pleasure. Unstruck sound leads to liberation (Narada Purana).

Collection: Products

39 products
  • 100 Years of Speaker Technology
    4 Volumes
    Regular price
    Sold out
    Sale price
    $230.00

    100 Years of Speaker Technology
  • 300B Book
    Stereo Sound
    Regular price
    Sold out
    Sale price
    $39.00

    300B Book
  • Artbook Shelf Horn Mod Kit v0.1
    Conversion from coaxial to external wave guide.
    Regular price
    Sold out
    Sale price
    $380.00

    ASH0.1
    Artbook Shelf Horn Mod Kit  v0.1
  • Artbook Shelf Speaker
    Ojas Artbook Shelf Speaker with JBL 328c 8" Coaxial Unit
    Regular price
    $5,500.00
    Sale price
    $5,500.00

    ABS-RO-PAIR
    Artbook Shelf Speaker
  • Artbook Shelf Speaker Hammertone Gray
    Ojas Artbook Shelf Speaker with JBL 328c 8" Coaxial Unit
    Regular price
    Sold out
    Sale price
    $5,500.00

    BKSLFHG
    Artbook Shelf Speaker Hammertone Gray
  • Artbook Shelf Speaker Kit
    Ojas Artbook Shelf Speaker with JBL 328c 8" Coaxial Unit
    Regular price
    Sold out
    Sale price
    $2,150.00

    ABS-KIT-RO
    Artbook Shelf Speaker Kit
  • Artbook Shelf Speaker Pewter Gray
    Ojas Artbook Shelf Speaker with JBL 328c 8" Coaxial Unit
    Regular price
    Sold out
    Sale price
    $5,500.00

    BKSLFPG
    Artbook Shelf Speaker Pewter Gray
  • Artbook Shelf Speaker Spiral Cut Oak
    Ojas Artbook Shelf Speaker with JBL 328c 8" Coaxial Unit
    Regular price
    Sold out
    Sale price
    $5,500.00

    BKSLFO
    Artbook Shelf Speaker Spiral Cut Oak
  • Artbook Shelf Speaker w Horn Mod
    Ojas Artbook Shelf Speaker with JBL 328c 8" Coaxial Unit
    Regular price
    Sold out
    Sale price
    $6,350.00

    ABS-RO-PAIR-HMK
    Artbook Shelf Speaker w Horn Mod
  • Direct Heating Triode Book
    Stereo Sound
    Regular price
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    Sale price
    $39.00

    Direct Heating Triode Book
  • EL34 KT88 Book
    Stereo Sound
    Regular price
    Sold out
    Sale price
    $39.00

    EL34 KT88 Book
  • Horn Mod

    Regular price
    $500.00
    Sale price
    $500.00

  • Jazz Cafe Basie
    Stereo Sound
    Regular price
    Sold out
    Sale price
    $39.00

    Jazz Cafe Basie
  • Jazz Kissa 2014 Vol. 2

    Regular price
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    Sale price
    $30.00

    Jazz Kissa 2014 Vol. 2
  • Jazz Kissa 2015 - 2019

    Regular price
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    Sale price
    $30.00

    Jazz Kissa 2015 - 2019
  • Ojas 8402 Interconnect Cables
    RCA 3' Pair
    Regular price
    Sold out
    Sale price
    $120.00

    Ojas 8402 Interconnect Cables
  • OJAS Incense Cones

    Regular price
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    Sale price
    $45.00

    OJAS Incense Cones
  • Ojas TPLC Speaker Wire
    Ojas TPLC Speaker Wire
    Regular price
    Sold out
    Sale price
    $126.00

    TPLC
    Ojas TPLC Speaker Wire
  • Ojas x Kasmaria Cap

    Regular price
    $75.00
    Sale price
    $75.00

    Ojas x Kasmaria Cap
  • Stereo Sound 223
    Stereo Sound
    Regular price
    Sold out
    Sale price
    $39.00

    Stereo Sound 223
  • Sun Audio - SV300BE Kit

    Regular price
    Sold out
    Sale price
    $3,150.00

    Sun Audio - SV300BE Kit
  • Tannoy
    Stereo Sound
    Regular price
    Sold out
    Sale price
    $39.00

    Tannoy
  • TEST Product

    Regular price
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    Sale price
    $1.00

  • TL12

    Regular price
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    Sale price
    $6,000.00

  • Top Pick 100
    Stereo Sound
    Regular price
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    Sale price
    $39.00

    Top Pick 100
  • Treasure of Large Speaker (2)
    Stereo Sound
    Regular price
    Sold out
    Sale price
    $39.00

    Treasure of Large Speaker (2)
  • Tube Kingdom 101
    Stereo Sound
    Regular price
    Sold out
    Sale price
    $39.00

    Tube Kingdom 101
  • Tube Kingdom 102
    Stereo Sound
    Regular price
    Sold out
    Sale price
    $39.00

    Tube Kingdom 102
  • Tube Kingdom 105
    Stereo Sound
    Regular price
    $39.00
    Sale price
    $39.00

    Tube Kingdom 105
  • Tube Kingdom 106
    Stereo Sound
    Regular price
    $39.00
    Sale price
    $39.00

    Tube Kingdom 106
  • Tube Kingdom 107
    Stereo Sound
    Regular price
    Sold out
    Sale price
    $39.00

    Tube Kingdom 107
  • Tube Kingdom 108
    Stereo Sound
    Regular price
    Sold out
    Sale price
    $39.00

    Tube Kingdom 108
  • Tube Kingdom 109
    Stereo Sound
    Regular price
    $39.00
    Sale price
    $39.00

    Tube Kingdom 109
  • Tube Kingdom 110
    Stereo Sound
    Regular price
    Sold out
    Sale price
    $39.00

    Tube Kingdom 110
  • Vintage Analog
    Stereo Sound
    Regular price
    Sold out
    Sale price
    $39.00

    Vintage Analog
  • Vintage Analog 2
    Stereo Sound
    Regular price
    Sold out
    Sale price
    $39.00

    Vintage Analog 2
  • Vintage Speaker Unit
    Stereo Sound
    Regular price
    Sold out
    Sale price
    $39.00

    Vintage Speaker Unit
  • Western Electric Sound Vol. 1 & 2
    Stereo Sound
    Regular price
    Sold out
    Sale price
    $140.00

    Western Electric Sound Vol. 1 & 2
  • オーディオマニアのリスニングルーム訪問

    Regular price
    Sold out
    Sale price
    $54.00

    オーディオマニアのリスニングルーム訪問