Swiss Physics 5A preamplifier, any users?

[355F1]

Hello Chaps,

I am trying to get in touch with SP 5A preamp owners. I would like to find out how versatile is the adjustable gain for low output MC cartridges. Is the input impedance adjustable between 100 and 47K Ohms?

Kind regards,

Horacio

 

[Cobra2]

I have pair...waiting for repair... (needs "module-fix"). Hope someone could trace the "secret" inside.. one day....

 

[as_audio]

https://www.diyaudio.com/forums/solid-state/332665-swiss-physics-6a.html#post5692831 with 5A preamp remarks.