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Chip Amps Amplifiers based on integrated circuits

Modulus-86  build thread
Modulus-86  build thread
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Old 18th September 2021, 03:59 PM   #5671
tomchr is offline tomchr  Canada
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You would be better off adding gain in the preamp. The reason is that if you increase the gain of the MOD86 you amplify its noise (which is ~30 dB higher than that of the Universal Buffer already). If you add a Universal Buffer (even with gain) you will not add appreciably to the output noise of the overall system because the Universal Buffer's noise is way below that of the amp.

Tom
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Modulus-86, 186, 286, & 686: 40-240W (8Ω), <-120dB THD. HP-2 Headphone Amp: 660mW, <-130dB THD. Taming the LM3886.
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