Sunfire HRS8

[Londonolof]

Does anyone have the full schematics for Sunfire HRS8? The company won't answer my emails.
Best,

 

[TBTL]

Here is at least the preamp section:
Sunfire HRS-8 Schematic


More info:
Anyone know a fix for a Sunfire sub? (don't try to fix it, these amps are dangerous)