Quote:
Originally Posted by Cellindo
Thanks much for the long review; very informative ans interesting.
One comment about the huge Dynamics when needed by classical music. I also own the same, almost vintage now, Monbrison preamp. The 6x4 tube for power regulation needs to be changed every 1000/1500hrs. It costs really nothing, maybe just 20$...
So I would encourage to find a good NOS tube from Matt and make the replacement (if not done already). A tube 'guru' here in France recommended me the 6BX4 (strictly equivalent) from Mazda / Mazda-Belvu  |
Hi Cellindo,
do you notice a decrease of sound quality after the mentioned time or change out of suspicion? I just wonder since this seems to be quite a short time for a tube change at least for Shindo preamps. I use GEC 6x4 and the actual one lasts now for far more than 2000h in my Monbrison. I compared lately to a new 6x4 of the same kind and the used one did not sound dull or flat in comparison, as it can happen if a tube is near dead.
Also within my acquaintances who have shindo preamps it is rather usual that the rectifier lasts very very long...years.
Best regards
Ron