
T X 10
(OPTIONAL)
T X 10
3
4
a.
b.
c.
d.
qualiton A50i
- 17 -
REPLACEMENT OF VACUUM TUBES
4. After putting back the pro-
tective cover, fasten it with the
screws a.b.c.d.
(In the case of tube replacement, before you
insert non-OEM tubes, please contact our
company and enquire about their compati-
bility!)