Hi Plovati!This one works from a 12V battery:
audiofaidate.it
gain 13.7
BW (-1dB) 12Hz .. 250kHz
clipping Vout max 3Vrms on 27Kohm load
THD at 2Vrms 1%, 2nd harmonic only
THD at 1Vrms 0,78%, 2nd harmonic only ( -50dB)
output resistance less than 600ohm
Where the schematics?
ecc83
Hi plovati!
How can you change the schematic instead with tube ecc86 with replacement ECC83 (12ax7).
In this case, the anode voltage Vcc=+ B = 250V.
Thanks for the help!
We re-organized all the AUDIOFAIDATE forum, noe we're on www.audiofaidate.org Il sito indipendente degli audiocostruttori.
Please take note of the new link to PREcario low voltage tube preamplifier
New link:
http://www.audiofaidate.org/uploaded/plovati/PREcario_darlitotem_lowres.JPG
Hi plovati!
How can you change the schematic instead with tube ecc86 with replacement ECC83 (12ax7).
In this case, the anode voltage Vcc=+ B = 250V.
Thanks for the help!
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