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INTRODUCTION
THANK YOU!...
for choosing the Manley Laboratories Langevin Line Preamplifier. The Langevin Line
Preamplifier, designed in ALL-DISCRETE CLASS A CIRCUITRY, utilizes only the best modern
componentry, such as conductive plastic potentiometers, military-grade sealed gold contact switches,
and precision 1% metal film resistors. The Langevin Line Preamplifier also contains a fully
regulated power supply and very low noisetransistors in conjunction with short direct signal traces to
provide the cleanest audio signal possible.
Please take a few moments to read through this manual carefully as it contains information essential
to proper operation of this unit.
Thank you again, and please enjoy!
GENERAL NOTES
LOCATION & VENTILATION
The Langevin Line Amplfiier must be installed in a stable location with ample ventilation. It is
recommended, if this unit is rack mounted, that you allow enough clearance on the top and bottom of
the unit such that a constant flow of air can flow through the ventilation vents.!WATER & MOISTURE
As with any electrical equipment, this equipment should not be used near water or moisture. If
liquid enters the preamplifier, it must be immediately returned to your deal for servicing.
SERVICING
The user should not attempt to service this unit beyond that described in the owner's manual. Refer
all servicing to Manley Laboratories.
WARNING!
TO PREVENT THE RISK OF ELECTRIC SHOCK
DO NOT OPEN THE CABINET
REFER SERVICING TO
QUALIFIED PERSONEL
