110db SNR discrete buffered preamplifier with Vclip indicator - diyAudio
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Old 14th October 2013, 07:14 PM   #1
xslavic is offline xslavic  Moldova
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Join Date: Feb 2011
Default 110db SNR discrete buffered preamplifier with Vclip indicator

i want to build a preamp based on these schematics,i want it simple and at least 110db ,who can help ?
should i use npn only or add pnp sa1015 stage for dual supply
how can i get most of it,no fets please
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File Type: gif discrete pre buffer HIFI.gif (4.1 KB, 211 views)
File Type: png preamp 110db.png (22.4 KB, 208 views)
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File Type: pdf LED Audio Clipping Indicator .pdf (246.6 KB, 24 views)
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Old 14th October 2013, 07:38 PM   #2
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Join Date: Nov 2009
Location: Wellington
You won't get that kind of performance with a discrete circuit that basic. My suggestion is that you just use an opamp
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Old 15th October 2013, 05:49 AM   #3
xslavic is offline xslavic  Moldova
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Join Date: Feb 2011
..ah had something else to add,supply filters
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