Modwright PH 9.0X Tube Rolling Question


I recently acquired a used PH 9.0X phono preamp and
I want to upgrade the Russian 6922 tubes. Anyone have
any experience with this particular preamp? I'll be looking
for NOS tubes.  

ericsch

 

 

@travisg :"I’m using the Sophia Aqua II 274B rectifier. Sounds pretty good. Wondering if I should try the Philips 5R4GYS?"

YES !

Kristen at Modwright listed the following rectifiers:

GZ34, 5R4GYS, 5R4GY, 274B, 5U4, 5U4GB, 5V4, 5V4G, 5V4GB 

Dan has two that are his top picks, an NOS GZ34 or 5R4GY 

The NOS GZ34`s are pretty steep $$$  

Hi @scm  - I just got my Modwright 9.0X PSU moded to use tube rectification. I am ready to try some vintage tubes. There is a white ceramic resistor right next to the tube socket. Tubes with wide bases (like the coke bottle style RCA 5R4GYs) seem to tilt the resistor a little bit. Not a lot but surely noticeable. Modwright assured me that this was not a problem - but my OCD is kicking in to high gear. What was your experience like? See pics below. 

https://imgpile.com/images/C3jlIl.jpg

Thanks!

 

@pistha  All I did was roll the tube in so that it didn`t lean one way or the other.

I wouldn`t worry about it one bit.

Did you listen first to the Sovtek ? Just curious