I'm happy to get a manual from this rare old amp. The pdf is from good qualty.
Text excerpt from page 42 (click to view)
XR-4950X/4954X
REVISION HISTORY
Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. 1.1 1.0 Date 2001.05 2000.06 2000.02 Description of Revision Change of Part No. for SPRING, FITTING Correction-1 New