I replaced the stock rectifier in my ZenSelect with an old Sylvania 5UR4GB and the results are amazing.
I've fooled around replacing tubes in pre amps and power amps with some positive results but none as profound as this tube swap.
It's made the amp sound like it grew some more watts.
Of course it hasn't, but those two watts now sound a whole lot more powerful and robust than with the stock rectifier.
A real improvement across the board in the sound of an already really good sounding amp.
So good infact, that I have decided to make it my main source of amplification and abandon my pre and power amp.
If only I had discovered this amp a couple of years ago, I could have saved some serious coin.
I've fooled around replacing tubes in pre amps and power amps with some positive results but none as profound as this tube swap.
It's made the amp sound like it grew some more watts.
Of course it hasn't, but those two watts now sound a whole lot more powerful and robust than with the stock rectifier.
A real improvement across the board in the sound of an already really good sounding amp.
So good infact, that I have decided to make it my main source of amplification and abandon my pre and power amp.
If only I had discovered this amp a couple of years ago, I could have saved some serious coin.