Plinius M12 Instruction Manual

Plinius audio preamplifier specification sheet

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PLINIUS M12 PREAMPLIFIER
Thank you for buying a Plinius product. This Preamplifier has been carefully designed and
manufactured by hand and under normal circumstances will maintain its present high level of
performance for many years to come. Please read this manual fully before you attempt to use the
Model 12 as it does require some familiarisation before you add it to your music system.
Serial Number:
Date of Manufacture:
Final Test Certified by:

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Summary of Contents for Plinius M12

  • Page 1 PLINIUS M12 PREAMPLIFIER Thank you for buying a Plinius product. This Preamplifier has been carefully designed and manufactured by hand and under normal circumstances will maintain its present high level of performance for many years to come. Please read this manual fully before you attempt to use the Model 12 as it does require some familiarisation before you add it to your music system.
  • Page 2 Plinius Amplifiers and involves the use of assymetrical circuit topology as opposed to the more normal symmetrical approach. The Model 12 is available in either Phono (M12P) or Line (M12L) variations. The M12L can be upgraded to M12P quite readily by the addition of the M12 Phono Circuit Board.
  • Page 3 PLINIUS M12 Instruction Manual Page 2 The M12 has been designed to operate with medium output cartridges ie 1.5mV and above. The Volume Control should be set between 10 o'clock and 2 o'clock for normal listening. If required there is a small jumper located on the Phono Board that can be moved to provide an extra 2db of gain.
  • Page 4 PLINIUS M12 Instruction Manual Page 4 INSTALLATION The Plinius Model12 preamplifier should be left switched on at all times. We have purposely fitted the Mains switch on the rear to discourage turning the unit off. If the Model12 is switched off between listening sessions you will never hear just how good it really sounds.
  • Page 5 Page 5 GROUND LIFT SWITCH The M12 is fitted with a switch on the rear panel adjacent to the Earth Terminal. This is to allow the Signal Ground to be either connected to the Chassis Ground or to 'float' above Chassis Ground.

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