Audio-note M1 RIAA Bedienungsanleitung PDF herunterladen (Seite 6)

Congratulations on your purchase of the Audio Note (UK) M1 RIAA phono stage.

It has been specifically engineered for sonic performance rather than technical

specification, and fulfills all Audio Note (UK) Level 1 criteria: -

Pure Class A operation

Zero negative feedback

Materials and component quality

It is well known that the accurate reproduction of music, not just sound, requires the

purity of the incoming signal to be preserved. It is therefore not difficult to conclude

that, in order to achieve this goal and to retain the musicality of the original

performance, the complexity of the circuitry itself must be kept to a minimum.

In response to this, the M1 RIAA phono stage uses a single-ended, zero feedback

circuit topology. This is simply the most linear design possible, demanding pure

Class A valve operation and removing the need for a phase splitter, which introduces

unnecessary crossover distortion.

In contrast to the majority of the audio industry, we design our circuits with the aim of

minimising non-harmonic and time base anomalies, rather than producing

vanishingly small harmonic or low intermodulation distortion measurements. These

non-harmonic amplitude and time base distortions have a highly perceptible and

adverse affect on the signal waveform, and it is far more important to address these

factors than participate in the increasingly irrelevant numbers game that chases

‘perfect measured response’.

As a result, the M1 RIAA phono stage was designed for maximum linearity and

minimum transient distortion, and avoids the need for detrimental ‘corrective’

measures, such as inherently error-prone feedback loops.

The M1 RIAA features an ECC83 and 6DJ8 / ECC88 equipped Moving Magnet

phono stage.

M1 RIAA PHONO STAGE

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Audio-note M1 RIAA Bedienungsanleitung Seite 6