To build a Mu Stage, first choose a triode for V1 = that has a=20 mu equal to the voltage gain you desire. I recommend the 12AX7, 6SL7, = 6DJ8, or=20 6SN7. Next, choose a high …

Pentode for V2 – Cathode Follower stage. Note: Output level is measured at 600 ohm with 6111 while all tubes output level at 100k load are 1Vrms. Thus higher the output level means lower …

Dec 6, 2007 · Type in "Mu stage Philosophy Alan Kimmel" I acknowledge this summary is of his intellectual property. Cheers Nick . Attachments. kimmell mu stage setup2.jpg. 91.2 KB · …

Nov 24, 2003 · The mu stage cct has good power supply rejection ratio, so I chose not to regulate the PSU. I'm aware of the various opinions about whether to regulate or not (and I respect …

Oct 13, 2019 · In particular, the Aleph current source arrangement and the mu stage seem to be conceptually very similar. As far as I understand, their main difference is how they sense the …

May 26, 2009 · One strength of the mu stage is that you don't need high Gm in the triode; the active load provides the Gm to give a low output impedance. Therefore the 6C45 is totally the …

Oct 16, 2013 · 1964 Ears V6-Stage - Most comparable to the JH16, but JH squeaks by with clear, more responsive bass (i.e. double bass drums) and better balanced mids/highs. The highs on …

Now here is some photos of the mu-stage with subminiature tubes. The way is to solder the small tube on the bottom of the tube socket and the two triodes in one tube is put in parallel. …

This stage combines a triode and a penthode in which the penthode will provide in a optimum load for the triode. This penthode is connected as cathode follower and if using a high gm tube, will …

This is a new made preamp – Hybrid Balance Mu-Stage. Dual triode medium gain subminiature tube like 6N16B-V, 6N18B-V, 6N28B-V, 6111, & 6021 etc… can be used. The choice of …