Lehmannaudio Decade Owner's manual

Brand
Lehmannaudio
Model
Decade
Type
Owner's manual
Decade phono stage
High Precision
Passive RIAA-Network
User manual
Please read completely before operating device
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
Lehmannaudio
Manual Decade
- page 6 -
Rear side audio section: (simplified)
6
1 2 3 4 5
1. S
ignal input connector (In) Left Channel
2.
Signal output connector (OUT) Left Channel
3.
Input for the external PWX II power supply
Please connect the power supply to the audio section first and then connect the complete unit to mains voltage!
4. S
ignal output connector (OUT) Right Channel
5.
Signal input connector (In) Right Channel
6.
Ground connection
If your turntable has a separate ground cable you should connect it here. You can connect any of 4mm plugs, open ends, or
cable shoes
The signal output connectors are supplying RIAA-filtered high-level output signals. Please connect your output cables to the
line input to be used. For example, to a line-level preamplifier, active loudspeakers with volume control or power amplifier
input with volume control.
Be careful to preserve correct channel connections – left to left and right to right.
W A R N I N G: You must not connect the output cables to a following phono input because RIAA-filtering and amplification
would be done twice! You could damage the following phono stage or your power amplifier and loudspeakers! The resulting
noise could even damage your hearing!!!
Lehmannaudio
Manual Decade
- page 8 -
Notes
Manufacturer‘s address:
Lehmann
audio
Vertriebs GmbH
Dipl. Ing. Norbert Lehmann
Richard Zanders Str. 54
D-51469 Bergisch Gladbach
Germany
phone: +49 2202 280 6240
fax: +49 2202 280 6239
email: info@lehmannaudio.com
Web: www.lehmannaudio.com
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Lehmannaudio Decade Owner's manual

Brand
Lehmannaudio
Model
Decade
Type
Owner's manual
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