Owners Manual

Lehmannaudio Manual Decade - page 5 -
Face plate audio section: (simplified)
1 2 3 4
1. Power control LED
2. Soft Bass Rolloff Filter
Some records tend to have too much low frequency energy especially warped records. To protect your loudspeakers from this
energy this Soft Bass Rolloff filter has been installed. The corner frequency is 60 Hz / 6dB per octave. The active filter is
indicated by the lit LED.
3. High Gain switch
This switch adds 10dB of gain to the selected mode MM or MC. High gain is indicated by the lit LED
4. MC switch
This switch selects between 36dB (MM) and 56dB (MC) gain. MC gain is indicated by the lit LED