Tanong ko lang sir, when you say SS output and tube buffer input what does it mean ba ? parang the same ba yan sa SS amp na nilagyang ng tube buffer ? pacencia na sir, di ko alam pano imagine, newbie lang.
Thanks. 
Yes pareho lang, ganyan ang ginawa sa av200 with the exception na tube rectified yun input buffer.
Done reading back from page 11 to 1 searching for sir Jojo's post on each page, didn't find any or probably I just don't understand because of the complexity of the conversation. Thanks anyway sir.
When you say tube buffer input and ss output it means that the "amplification" is still done by the ss output stage and the tube buffer only has a gain of 1 (kaya nga po buffer). That is how this av200 is Sir.
On the other hand, it is also possible for a hybrid amp (tube input/ss output) to have the "amplification" done by the tube section (gainstage na ito, hindi na tube buffer ang tawag), it is then followed by a "power follower" (often times referred to as a current amplifier) that has a gain of 1 which drives the speaker.
To recap, there are 2 ways to make a hybrid.
1. Tube buffer input -> SS amp output stage
2. Tube gainstage input -> SS power follower
I hope this clears things for you Sir.
Cheers
Edit:
There's a 3rd way pa pala, you can use high current voltage regulators and use them as power followers too to drive speakers, the gain is still dictated by the tubes in such a case.
