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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).
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51 products

  • Sold out
    $2,999.00

    Sun Audio SV-2A3 Stereo Power Amplifier Kit

  • $6,640.00
    $6,640.00

    Sun Audio SV-2A3TSX Monoblock Power Amplifier Kit Pair

  • $39.00
    $39.00

    9784880735221
    Tube Kingdom 113

  • Sold out
    $50.00

    9784416523483
    10 Easy-to-build, Great-sounding Vacuum Tube Audio Amplifiers

  • Sold out
    $75.00

    9784416622094
    Shinku Kan Amp to Kita San No Onkyo Dochu Hizakurige (MJ Archives Collection)

  • Sold out
    $75.00

    9784416622100
    Shinku Kan Amp to Kita San No Onkyo Dochu Hizakurige Tsuzuke (MJ Archives Collection)

  • Sold out
    $120.00

    4571177052933
    Frank Sinatra with the Count Basie Orchestra

  • Sold out
    $39.00

    9784880735184
    A Study of Vacuum Tube Amplifiers of the Past

  • $39.00
    $39.00

    9784880735146
    Tube Kingdom 112

  • $39.00
    $39.00

    9784880735092
    Tube Kingdom 111

  • $39.00
    $39.00

    9784880735207
    Stereo Sound 231

  • Sold out
    $39.00

    9784880735160
    The Treasure of Large Speakers
  • T-Shirts
    Sold out
    $60.00

    OT-SFM-S
    Ojas x SFMoMA T-Shirt

  • Sold out
    $8,498.00

    KO-R1-PG
    Klipsch x Ojas kO-R1
  • Phono Cartridge
    $550.00
    $550.00

    CART-DL103O
    Denon x Ojas DL-103O, MC Phono Cartridge

  • $450.00
    $450.00

    TX-CINE-PAIR
    Ojas x Cinemag 1254 MC Step Up Transformer
  • Ojas Artbook Shelf Speaker with JBL 328c 8" Coaxial Unit
    $6,850.00
    $6,850.00

    ABS-RO-PAIR-HM
    Artbook Shelf Speaker w Horn Mod

  • Sold out
    $120.00

    4571177053282
    Fujiyama

  • $39.00
    $39.00

    9784880735108
    Full Range Unit Listen to the Dynamic Sound

  • Sold out
    $39.00

    9784880731940
    Tannoy

  • Sold out
    $39.00

    9784880732435
    Treasure of Large Speaker 2

  • Sold out
    $39.00

    9784880734484
    Jazz Cafe Basie

  • Sold out
    $39.00

    9784880734811
    Stereo Sound 223

  • Sold out
    $39.00

    9784880735047
    Vintage Analog

  • Sold out
    $39.00

    9784880735023
    Tube Kingdom 110

  • Sold out
    $39.00

    9784880734972
    Tube Kingdom 109

  • $39.00
    $39.00

    9784880734910
    Tube Kingdom 108

  • $39.00
    $39.00

    9784880734880
    Tube Kingdom 107

  • Sold out
    $39.00

    9784880734866
    Tube Kingdom 106

  • $39.00
    $39.00

    9784880734835
    Tube Kingdom 105

  • Sold out
    $39.00

    9784880734699
    Tube Kingdom 102

  • Sold out
    $39.00

    9784880734675
    Tube Kingdom 101

  • Sold out
    $39.00

    9784880734798
    Direct Heating Triode Book

  • Sold out
    $39.00

    9784880734644
    EL34 KT88 Book

  • Sold out
    $39.00

    9784880734569
    Vintage Speaker Unit

  • Sold out
    $39.00

    9784880732824
    Top Pick 100

  • Sold out
    $39.00

    9784889734460
    300B Book

  • Sold out
    $39.00

    9784880733326
    Vintage Analog 2

  • $140.00
    $140.00

    WE-VOL-1-2
    Western Electric Sound Vol. 1 & 2

  • Sold out
    $3,150.00

    SV-300B-KIT-WE-WKS
    Sun Audio - SV300BE Kit