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In the Forum: Melquiades Amplifier
In the Thread: Full range Melquiades implementation
Post Subject: Early daysPosted by decoud on: 5/19/2012
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Yes, it is built according to the schematic, but by someone else, from whom I have only just received it. The opt is custom-made nanocrystalline amorphous core, gapped at 300mA and running 200V/240mA.

It is quiet, precise and very fast (which last the unusual coherence of the SH50 helps). But what is most interesting, to my ear anyway, is the way in which the character and dynamics of tone appear to be signal dependent. Whereas an amplifier usually has a static tonal signature, imposing it on whatever is played in a uniform manner, this one intelligently adjusts to the input. A subtle accentuation of contrast that is helpful in a quiet passage is not there in a loud one, where it would not be. Though even harmonic distortion is there, as one would expect, it does not colour instruments, such as violins, where a richer pattern of distortions is essential to their tone. In general, the real microdissonances that give music vigour are reproduced, but without the cost of introducing fake ones elsewhere.  It is eerie.

What parameters would you suggest tuning?

bw, d

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