The Balanced versions have a correctly designed and implemented balanced output circuit, including a pair of copper / copper output transformers. The M2 RIAA phono stage features an ECC83 and 6DJ8 Moving Magnet phono stage, and a valve rectified power supply incorporating a 6X5 and an ECL82. The M2 Phono Balanced Pre Amplifier features a pair of 5814a valves for the line stage, an ECC83 and 6DJ8 Moving Magnet phono stage, and a valve rectified power supply incorporating a 6X5 and an ECL82. The M2 Phono Pre Amplifier features a 6SN7 line stage, an ECC83 and 6DJ8 Moving Magnet phono stage, and a valve rectified power supply incorporating a 6X5 and an ECL82. The M2 Line Balanced Pre Amplifier features a pair of 5814a valves for the line stage and a valve rectified power supply incorporating a 6X5 and an ECL82. The M2 Line Pre Amplifier features a 6SN7 line stage and a valve rectified power supply incorporating a 6X5 and an ECL82. 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‟.Īs a result, the M2 was designed for maximum linearity and minimum transient distortion, and avoids the need for detrimental „corrective‟ measures, such as inherently error-prone feedback loops. 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. 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 response to this, the M2 Pre Amplifier uses a single-ended, zero feedback circuit topology. 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. ![]() It is well known that the accurate reproduction of music, not just sound, requires the purity of the incoming signal to be preserved. The M2 Line and M2 Phone are phase inverting. M2 Pre Amplifier has been specifically engineered for sonic performance rather than technical specification, and fulfils all Audio Note (UK) Level 2 criteria:
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