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An introduction, then a description of my hifi chains. |
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Central theme:
- Better possible quality. - Power restricted at 30W on 8 Ω, 50W on 4 Ω. - Better report/quality price. - Pre-amplifier, amplifier, and headphone output on the same apparatus. - Amplifier class AB, no class A. |
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Central theme:
- Only the class A, and more: an extreme use of the class A. - Not of feedback loop. - The simplest possible schematics. - Create all myself. Results: - I am agreeably surprised by the result. - A lot of warm emission, due to the used principle. - Is suitable for regular impedance speaker. |
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Central theme:
- Way of Bass-reflex for a 8V012DBL. - Bandwidth of 35/40Hz at - 3dB. - The best possible quality for the bass. Thereabouts I target to have bass and a good impulse response. - Limit of volume around 50 litres. - Create all myself, to discover different compromises and reality of bass-reflex box. This is going to bring me to respect this time the classical recipes of the building of speaker... |
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The plan of building of this speaker has start just like by chance.
After the building of the bass speaker, I decide to construct this medium-acute speaker. The listening of the bass speaker gives following result: - To have bass which knock, it is necessary to avoid cutoff frequencies around 100Hz. - The 21cm (8V012DBL) is a good loudspeaker, and it can be used until 300Hz without any worries of definition and transparence. Idea was therefore to come back to 3 ways, 3 HPs. Then considering the fall of prices to JmLab, I decide to accomplish a youth dream which consists in the purchase of Audiom 6WM (successor I assume of Audiom 7K). Then for cost reasons, I limit myself to T120 TD5. Therefore, it is going to define this speaker... |
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Having finishes my speaker and adjust amplis, I have to accomplish my last objective which holds me at heart since some years ago: accomplish a separated digital converter based on DF1706 AND PCM1704...
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Some measurements on the CD reader NAD 512.
It is especially about the MASH convertiesseur and supply. |
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All producers and manufacturing of hifi material and audio of the planet into 2004 which I could find. |
personal realization of amplifier - personal realization of speaker - personal realization of hifi chains - realization of amplifier classs A - creation of diagram of amplifier class A
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