6080 can be used in pushpull triode outputs, otl amplifiers, and as a series pass element in a tube based voltage regulator it is basically the same as a 6AS7..
http://www.mif.pg.gda.pl/homepages/frank/sheets/137/6/6AK5.pdf
Should be good as a ccs, a pentode based voltage amplifier and probably works ok in triode connection as well.
http://www.mif.pg.gda.pl/homepages/frank/sheets/137/6/6AK5.pdf
Should be good as a ccs, a pentode based voltage amplifier and probably works ok in triode connection as well.
kevinkr said:6080 can be used in pushpull triode outputs, otl amplifiers, and as a series pass element in a tube based voltage regulator it is basically the same as a 6AS7..
http://www.mif.pg.gda.pl/homepages/frank/sheets/137/6/6AK5.pdf
Should be good as a ccs, a pentode based voltage amplifier and probably works ok in triode connection as well.
Kevin,
The data sheet suggests the 6AK5 is a linear high RF type. It should be reasonably low noise to do that job. Do think a 6AK5 with regulated B+ on both plate and screen would make a good 2nd gain block in a phono preamp? Gm is 5 mA./V. So, approx. 35 dB. of gain is produced with a 12 KOhm load resistor.
FWIW, my thinking is a 6922 section for the 1st gain block, a 6AK5 as the 2nd gain block, and a DC coupled cathode follower to buffer the O/P.
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