The Trial Versions of the Klais v1 wet original and wet extended Demo Organ has a limited compass of C2-C3 (048-c to 060-c) in the pedal, C2-G5 (048-c to 079-g) in the manuals. All other functions work.
Free download the Klais v1 wet original and extended HW demo sampleset! (1.59 GB)
Klais Organ of Szikszo v2
(It contains the original and extended semidry and wet and 4-channels surround versions)
The price is € 149
Klais Organ of Szikszo v1 to v2
The price is € 35
I made a five manual composite from the Ziegler sample and Klais sample set.