Owner`s manual
Model Reference 610T
Infrared eye for
remote control.
Bias adjustment
pot.
Bias Adjustment
pot.
Selects power 
output for display
via moving 
logarhithmic bar
graph: 0-10 watts,
0-30, 0-100, 
0-300, 0-600.
Selects bias level
display, bias 
level adjust, 
power output, line
voltage.
Turns amplifier
on to Standby
or Operate, and
to off.
Led indicators of
operating mode.
Selects individual
tube locations 
for display of bias
level.
D I S P L A Y
FRONT
VACUUM  T UB E  PO WER AM PL IFI ER
REFE REN CE  610 T HI GH   DEF INI TI ON
®
6
6 6
S T A N D B Y
O P E R A T E
●
●
S T A N D B Y
O P E R A T EO F F
POWER SCALE D I S P L AY /F U N C T I O N B I A S
ADJUST V1 ADJUST V2
P O W E R









