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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

38 products
  • 100 Years of Speaker Technology

    Regular price
    $230.00
    Sale price
    $230.00

    100-YRS
    100 Years of Speaker Technology
  • 300B Book

    Regular price
    Sold out
    Sale price
    $39.00

    9784889734460
    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 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 w Horn Mod
    Ojas Artbook Shelf Speaker with JBL 328c 8" Coaxial Unit
    Regular price
    $6,350.00
    Sale price
    $6,350.00

    ABS-RO-PAIR-HM
    Artbook Shelf Speaker w Horn Mod
  • Direct Heating Triode Book

    Regular price
    $39.00
    Sale price
    $39.00

    9784880734798
    Direct Heating Triode Book
  • EL34 KT88 Book

    Regular price
    $39.00
    Sale price
    $39.00

    9784880734644
    EL34 KT88 Book
  • Fujiyama

    Regular price
    $120.00
    Sale price
    $120.00

    4571177053282
    Fujiyama
  • Full Range Unit Listen to the Dynamic Sound

    Regular price
    $39.00
    Sale price
    $39.00

    9784880735108
    Full Range Unit Listen to the Dynamic Sound
  • Horn Mod

    Regular price
    $500.00
    Sale price
    $500.00

  • Jazz Cafe Basie

    Regular price
    $39.00
    Sale price
    $39.00

    9784880734484
    Jazz Cafe Basie
  • Jazz Kissa 2014 Vol. 2

    Regular price
    $30.00
    Sale price
    $30.00

    9784991049262
    Jazz Kissa 2014 Vol. 2
  • Jazz Kissa 2015 - 2019

    Regular price
    $30.00
    Sale price
    $30.00

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

    INT-8402-03
    Ojas 8402 Interconnect Cables
  • OJAS Incense Cones

    Regular price
    $45.00
    Sale price
    $45.00

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

    TPLC-9-OB
    Ojas TPLC Speaker Wire
  • Ojas x Kasmaria Cap

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    Sale price
    $75.00

    Ojas x Kasmaria Cap
  • Shipping

    Regular price
    $400.00
    Sale price
    $400.00

  • Stereo Sound 223

    Regular price
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    Sale price
    $39.00

    Stereo Sound 223
  • Sun Audio - SV300BE Kit

    Regular price
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    Sale price
    $3,150.00

    Sun Audio - SV300BE Kit
  • Tannoy

    Regular price
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    Sale price
    $39.00

    Tannoy
  • TL12

    Regular price
    Sold out
    Sale price
    $6,000.00

  • Top Pick 100

    Regular price
    $39.00
    Sale price
    $39.00

    9784880732824
    Top Pick 100
  • Treasure of Large Speaker 2

    Regular price
    $39.00
    Sale price
    $39.00

    9784880732435
    Treasure of Large Speaker 2
  • Tube Kingdom 101

    Regular price
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    Sale price
    $39.00

    Tube Kingdom 101
  • Tube Kingdom 102

    Regular price
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    Sale price
    $39.00

    Tube Kingdom 102
  • Tube Kingdom 105

    Regular price
    $39.00
    Sale price
    $39.00

    Tube Kingdom 105
  • Tube Kingdom 106

    Regular price
    $39.00
    Sale price
    $39.00

    Tube Kingdom 106
  • Tube Kingdom 107

    Regular price
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    Sale price
    $39.00

    Tube Kingdom 107
  • Tube Kingdom 108

    Regular price
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    Sale price
    $39.00

    9784880734910
    Tube Kingdom 108
  • Tube Kingdom 109

    Regular price
    Sold out
    Sale price
    $39.00

    9784880734972
    Tube Kingdom 109
  • Tube Kingdom 110

    Regular price
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    Sale price
    $39.00

    9784880735023
    Tube Kingdom 110
  • Vintage Analog

    Regular price
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    Sale price
    $39.00

    9784880735047
    Vintage Analog
  • Vintage Analog 2

    Regular price
    $39.00
    Sale price
    $39.00

    9784880733326
    Vintage Analog 2
  • Vintage Speaker Unit

    Regular price
    Sold out
    Sale price
    $39.00

    9784880734569
    Vintage Speaker Unit
  • Western Electric Sound Vol. 1 & 2

    Regular price
    $140.00
    Sale price
    $140.00

    9784880734736
    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
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    Sale price
    $54.00

    オーディオマニアのリスニングルーム訪問