Bryston ST Series - Bryston 9 B THX Amplifiers; 9 B-ST THX Configuration; 9 B PRO THX Configuration

For Bryston amplifiers with rear panel gain adjustment including the THX designation
the correct THX position is as indicated on the back panel.
OH-QT TW’lf
I I flA.
The “BAL THX” or the “UNBAL THX” position
(see diagram) is the correct setting for the slide
switch. Do not place the slide selector in the
middle or +6 dB position if installed in an
authorized THX system.
BAL
+ 6dB
INPUT
sn
S ERI ES
Thx
UNBAL
THX
J
"WARNING!
RISK OF HAZARDOUS ENERGY!
MAKE PROPER SPEAKER CONNECTIONS.
SEE OPERATING MANUAL BEFORE USING.
120W80
9B PRO THX
The 9B professional version provides a rotary
gain control which must be turned fully clockwise
if installed in a THX system and the slide switch
above (see diagram) must also be in either the
“BAL THX” or “UNBAL THX” position.
^ □ ]C]?SnCDQ]
ODpro
BAL
+ 6 dB
UNBAL
THX
LEVEL
"WARNING!
RISK OF HAZARDOUS ENERGY!
MAKE PROPER SPEAKER CONNECTIONS.
SEE OPERATING MANUAL BEFORE USING.
-14 dB THX
120W80
+
RO. Box 2170, 677 Neal Drive,
Peterborough, Ont., Canada K9J 7Y4
Tel: (705) 742-5325 ® Fax: (705) 742-0882