Summit Audio TLA-100A Tube Leveling Amplifier - Manual (Page 8)

8
OPERATION
The first step in the operation of any device using a vacuum tube is to apply
power and let the unit fully warm up (15 minutes). After warm up, set the
Gain Reduction control to 0 and adjust the Gain control for 0 VU on the
meter. Switch the Attack to slow and the Release to fast. Now adjust for
the desired amount of Gain Reduction and recheck the output level.
As the amount of Gain Reduction is increased, the processed audio follows
a smooth reduction curve, thereby changing the compression ratio. In this
way, compression may be easily controlled.
If a large peak is detected, the unit will automatically increase the
compression ratio to keep the audio output controlled. If a low
compression ratio is desired, turn the Gain Reduction control until the
meter indicates a small amount of Gain Reduction.
If a higher ratio is desired, set the Gain Reduction control so the meter
indicates a high amount of Gain Reduction. Try different Attack and
Release setting, depending upon the program material and the desired
effect.