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Audio Note products are arranged into levels according to their performance standards. Each performance standard is derived from the culmination of many years of experience with extensive measured and sonic testing of a huge range of passive and reactive components in a great many circuit topologies.

Where we have been unable to satisfy our quest for ultimate quality with components we have designed and fabricated our own. This is evident in our Japanese manufactured amplifiers like the world renowned Ongaku (with its specially selected hand wound silver output transformers and meticulously made silver capacitors) right through to our entry level products with our Audio Note British designed output transformers.

This experience has allowed us to form a hierarchy of features, of which we hold dear to our hearts:

  1. Pure Class A Operation
  2. Single Ended Operation
  3. Zero Feedback
  4. Directly Heated Triode Output Stage
  5. Valve Rectification
  6. Materials and Component Quality

The criteria determining the structure of the levels of our extensive range of products is as follows:

For an amplifier to qualify for entry to the Level 0 and Level 1 categories it must include at least one of the six points listed above. For Level 2 - at least two of the above criteria are required, and this system is carried up in the same manner to the higher level amplifiers. Whilst this holds true for our amplifiers, our other products within these ranges are designed to complement the amplifiers within the level of which they lie.

Products are divided up into the following categories:

For an amplifier to qualify for entry to the Level 0 and Level 1 categories it must include at least one of the six points listed above. For Level 2 - at least two of the above criteria are required, and this system is carried up in the same manner to the higher level amplifiers. Whilst this holds true for our amplifiers, our other products within these ranges are designed to complement the amplifiers within the level of which they lie.