Pass Labs XP-30 Manuale Utente

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XP-30 Owner’s Manual
volts to a balanced no-feedback follower output stage?
The XP-30 is fully capable of  both tasks at once.  The internal gain 
of  each stage can be boosted another 16 dB via an internal jumper 
and the preamp can serve as the low source impedance front end to 
the new generation of  Class A power followers.  Don’t laugh – they 
already are for sale, and there are more coming your way.  If  you 
have an XP-30 you won’t have to buy a new preamp...
The output impedance of  each output is quite low and thus able to 
better drive long cable runs or cables with greater capacitance or 
amplifiers with low input impedances. 
XP-30 volume control is totally new and sonically unique.  It’s 
measured performance  - distortion, bandwidth, noise, and resolution 
is beyond reproach.  It preserves the dynamics and detail of  the 
music passing through it, and scales this performance over its 100 dB 
attenuation range.
Wayne Colburn has further refined his thinking of  how the active 
circuit should serve the music.  Like Nelson, Wayne looks at parts 
and sees not applications but potentials.  The XP-30 uses a new  and 
more advanced version of  the gain modules that have been popular 
in Pass products for the last ten years.  It has lower distortion and 
wider bandwidth than its predecessor and also features a dramatically 
higher input impedance.  This improved version of  our symmetric 
topology sounds so exquisite that that it has also been adopted in the 
new “Dual Chassis Amplifier” prototypes.  Pass Labs has made large 
purchases of  discontinued Toshiba Jfets and Mosfets to support 
production of  this new gain stage for the next ten years.
Each of  these efforts have contributed to a preamp that is more 
resolving, dynamic, spatially accurate and closer to the real joy that is 
music.  
To summarize:
The XP-30 is a time machine, offering a greater “look-back” at the 
original musical performance and conveying additional insight to the 
artist’s creative intent.  The XP-30 will help you rediscover the joy of  
your record collection.
It’s measured performance is our best yet.
It has some features that will help you get more out of  your system 
– things that you may not yet appreciate.
The XP-30 is the preamplifier that we built for ourselves.