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Madrigal Audio Laboratories, Inc.

Operating Manual

Mark Levinson

®

Nº38S

Preamplifier

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Summary of Contents for 38S

Page 1: ...Madrigal Audio Laboratories Inc Operating Manual Mark Levinson N 38S Preamplifier...

Page 2: ...encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect...

Page 3: ...ce 3 AC extension cords are not recommended for use with this product If an extension cord must be used be sure it is an approved type and has sufficient current carrying capacity to power this produc...

Page 4: ...igal Audio Laboratories thank you for choosing the Mark Levinson N 38S Preamplifier A great deal of effort went into the design and construction of this precision device Used properly it will give you...

Page 5: ...n Automatic Output Level 22 Programming the Mute Function 23 Volume Lock 24 Standby Timer 25 Time outs in the N 38S 25 Operational Modes 26 The Monitor Mode 26 The Record Select Mode 26 The Balance Mo...

Page 6: ...6...

Page 7: ...ng corrosive chemicals the greenish gunk you may have seen around battery terminals of other remote controls at some point The N 38S should be placed close to your source equipment keeping interconnec...

Page 8: ...8S adjacent to the AC cord indicates the correct AC operating voltage for your location If the voltage indicated on your N 38S is incorrect or if you wish to change the AC operating voltage of your N...

Page 9: ...AC mains When power is first applied the N 38S will initialize showing all current input aliases automatically select the first available input AUX1 and set its output level to OFF 3 CONNECT A SOURCE...

Page 10: ...erating mode the N 38S is in at any point in time The information displayed is summarized below Monitor Selected audible Source and Volume Record Select RECD and Source to be recorded Balance Directio...

Page 11: ...pective buttons When in the Monitor Mode pressing one of these buttons will select the source to be heard i e sent to the main outputs when in Record Select Mode pressing one of these buttons will sel...

Page 12: ...nectors requiring female XLRs on the preamplifier end of the interconnecting cable The pin assignments of these XLR type male outputs are Pin 1 Signal ground Pin 2 Signal non inverting Pin 3 Signal in...

Page 13: ...UTS 1 AND 2 Accepts right channel and left channel balanced signals from source equipment with balanced outputs The pin assignments of these XLR type female input connectors are Pin 1 Signal ground Pi...

Page 14: ...le Mark Levinson power amplifier hence its Master communications port Thus if the only other Mark Levinson Link compatible component you have is a digital audio processor connect its master port to th...

Page 15: ...38S and the associated Mark Levinson components and will void those products warranties 6 INPUTS 3 6 Accepts right channel and left channel single ended inputs from line level source equipment such a...

Page 16: ...VOLUME Raises the volume at either low speed for fine adjustments or high speeds for larger changes The N 38S will slowly raise its output for the first 1 5 seconds this button is depressed then move...

Page 17: ...ains To N 38 To AC mains 1 3 2 1 2 3 1 Line hot 2 Neutral 3 Earth ground When power is first applied to the N 38S it will run through an automatic initialization sequence which among other things prov...

Page 18: ...tal Compact Cassette MD Mini Disc CDR Compact Disc Recordable CDI Compact Disc Interactive DBS Direct Broadcast Satellite PH Phono LD LaserDisc CD Compact Disc TUN Tuner AUX Auxiliary DAP Digital Audi...

Page 19: ...ume of the selected source without having to push the mode button twice to return to the monitor path To change the alias of any particular input follow these steps 1 IN THE MONITOR MODE SELECT THE IN...

Page 20: ...ance under normal real world operating conditions This approach involves no disadvantage when the unit is used as designed Unrealistic tests such as listening at full gain to an unterminated input whi...

Page 21: ...e a particular output level setting to which you can easily return such as 60 0 in the display Develop a sense of the perceived volume at this setting which you will want to match with your other inpu...

Page 22: ...en more consistent than other sources and since tuners may be used primarily for background rather than critical listening This adjustment may be made for each input independently of any other input I...

Page 23: ...sary to save a 0 0 Input Offset before selecting AUTO if a higher offset was previously saved The N 38S provides a user defined Mute function which instantly reduces the output level by a predefined a...

Page 24: ...me settings above a certain point in the preamplifier s range In systems that have highly sensitive loudspeakers the available 18 9 dB of gain may allow the system to be driven to dangerously loud lev...

Page 25: ...inked system will go into standby at the appointed time one time only so you don t have to live with the product turning itself off every 60 minutes thereafter Note As a fail safe against accidental c...

Page 26: ...ps of the preamplifier s Output Level knob sending potentially dangerous signal levels to your loudspeakers Lastly the corresponding buttons on the Remote Control behave in a similar fashion when in t...

Page 27: ...m the Record Select mode When the balance is set to a neutral position favoring neither channel over the other the display will show a double headed arrow and 0 0 decibels that is that the channels ar...

Page 28: ...tly than weak signals In order to operate correctly the signal strength of the source must be calibrated to the expectations of the Dolby noise reduction circuitry It is for this reason that one finds...

Page 29: ...n it is possible for the first time to correctly integrate a surround sound processor with a preamplifier sending the processor s Left and Right outputs through the N 38S and on to the power amplifier...

Page 30: ...fore it reaches your television or VCR If you cannot find a 75 75 balans isolation transformer you can easily construct one from the adaptors which probably came with your VCR and television as shown...

Page 31: ...g a Linked Mark Levinson digital processor out of Standby will also cause the N 38S to come out of Standby and select the appropriate input see Input Selection below Input Selection Placing your Mark...

Page 32: ...sopropyl alcohol and a soft cloth Apply the alcohol to the cloth first and then lightly clean the surface of the N 38S going with the grain of the brushed aluminum At no time should liquid cleaners be...

Page 33: ...by either calling or writing the factory prior to shipping the component The factory will pay for return shipping charges only in the event that the component is found to be defective as above mention...

Page 34: ...and the Madrigal Technical Services Department locate and repair the difficulty as quickly as possible A copy of the original bill of sale will serve to verify warranty status Please include it with...

Page 35: ...gle ended main out Madrigal RCA female 1 Mark Levinson Link communications connector Gain Gain range 72 1 dB to 18 9 dB Gain resolution 0 1 dB steps above 38 8 in display 34 dB gradually increasing st...

Page 36: ...m 2 25 5 7 cm 2 96 7 5 cm 3 76 9 5 cm 0 08 2 mm 3 125 7 9 cm 0 5 1 3 cm 0 925 2 3 cm 15 55 39 5 cm 0 425 1 1 cm 0 10 2 00 5 1 cm 15 75 40 cm 11 55 29 3 cm 2 85 7 24 cm 0 10 2 5 mm 4 45 11 3 cm 6 5 16...

Page 37: ...37...

Page 38: ...Printed in U S A MADRIGAL AUDIO LABORATORIES 2081 South Main Street P O Box 781 Middletown Connecticut 06457 USA Telephone 860 346 0896 Fax 860 346 1540 http www madrigal com is a registered trademar...

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