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Mark Levinson N38 User Manual

Mark Levinson N38
38 pages
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Madrigal Audio Laboratories, Inc.
Operating Manual
Mark Levinson
®
Nº38
Preamplifier
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Mark Levinson N38 Specifications

General IconGeneral
BrandMark Levinson
ModelN38
CategoryAmplifier
LanguageEnglish

Summary

Important Safety Instructions

Unpacking and Placement

Unpacking

Details on how to unpack the preamplifier and its accessories.

Installing the Batteries in the Remote Control

Instructions for inserting batteries into the remote control unit.

Placement

Recommendations for positioning the Nº38 preamplifier for optimal performance.

Ventilation

Guidance on ensuring adequate airflow around the unit for heat dissipation.

Front Panel Controls

Display Intensity Button

Adjusts the display brightness, including an 'off' setting.

Alphanumeric Display

Shows operational status, modes, and source information.

Mode Indicators

Three LEDs indicating the current operational mode.

Mode Button

Cycles through Monitor, Record Select, and Balance operational modes.

Inverted Polarity Indicator

LED indicating if the output polarity is inverted.

Output Level Control

Adjusts listening volume or channel balance.

Mono Button

Toggles between stereo and mono operation.

Source Selector Buttons

Selects audio inputs for monitoring or recording.

Mute Button

Reduces the main output level by a user-defined amount.

Standby Button

Toggles the unit between normal operation and standby mode.

Rear Panel Connections

Balanced Main Outputs

Connects to power amplifier balanced inputs for optimal signal integrity.

Biamplification

Describes using Y-adaptors for multiple balanced outputs to drive more power amplifiers.

Single-Ended Main Outputs

Connects to power amplifier or crossover single-ended inputs.

Balanced Inputs 1 and 2

Accepts balanced signals from sources with balanced outputs.

Record Outputs

Connects to tape inputs of a recorder, unaffected by volume control.

Linking Connections

Slave and Master Communicator Ports

Ports for linking with compatible Mark Levinson components.

Building a Link Cable

Details on constructing or obtaining RJ-45 cables for linking.

Using a Turntable

Requirements for connecting a turntable via a phono preamp.

External IR Input

Input for infrared repeater systems for remote installation control.

Tip Polarity for External IR Input

Specifies voltage and polarity requirements for the IR input.

Remote Control Operations

Mono Button

Toggles between stereo and mono playback modes.

Display Control

Adjusts display brightness or places unit in standby.

Source Selection

Selects audio inputs remotely, also powers unit on from standby.

Volume Adjustments

Controls listening volume with variable speed adjustments.

Polarity Inversion

Inverts the output polarity of the preamplifier.

Mode Selection

Changes operational modes (Monitor, Record Select, Balance).

Mute Function

Temporarily reduces output level by a programmable amount.

Set-up and Installation

Connections and Cables

Describes RCA and XLR connectors for audio signal input and output.

Power Connection and System Activation

How to connect the AC power cord and what happens upon first power-up.

AC Power Cord Polarity

Diagram showing AC power cord pin assignments.

Set-Up Overview

General method for customizing preamplifier settings via a Set-Up mode.

Aliases

Assigns alternative names to inputs for easier system identification.

Available Input Aliases

List of pre-defined input aliases for system configuration.

The EQ Alias

Special alias for connecting an equalizer for proper operation.

Programming Aliases

Step-by-step guide to renaming input aliases.

Assigning Record Outputs

Associates specific record outputs with selected inputs.

Results of Unrealistic Tests

Discusses potential noise under non-standard test conditions.

Programming Input Offsets

Adjusts relative output levels of sources to match the loudest.

Programming an Automatic Output Level

Sets a preferred volume level that automatically engages for a selected input.

Programming the Mute Function

Customizes the decibel reduction for the Mute button.

Volume Lock

Establishes a maximum volume setting to prevent excessively loud playback.

Standby Timer

Sets a timer for the preamplifier to enter standby mode automatically.

Time-outs in the Nº38

Explains how the unit times out from set-up modes to prevent accidental changes.

Operational Modes

The Monitor Mode

Standard preamplifier operation for listening to selected sources.

The Record Select Mode

Selects sources to be sent to the record outputs for recording.

The Balance Mode

Fine-tunes relative volume levels between left and right channels.

Balance Control Tip

Advice on using balance control for accurate soundstaging and imaging.

Using Surround Sound Processors

Surround Sound Processors Should Not Come After the Preamp

Explains why surround processors should not follow the preamplifier's volume control.

Surround Sound Processors Should Not Come Before the Preamp

Discusses issues with using processors before the preamplifier's volume control.

Surround Sound Processors Should Not Be in a Tape Loop

Explains why tape loop integration is inappropriate for surround processors.

Surround Sound Processors and the Nº38

Details the Nº38's special interface for integrating surround sound processors.

Wiring Diagram with a Surround Sound Processor

Illustrates how to connect the Nº38 with a surround sound processor.

Noise in A/V Systems

Ground Isolation Adaptor

Describes a method to break ground loops causing hum in A/V systems.

Linked Functions

Display Intensity Link

Synchronizes display brightness across linked Mark Levinson components.

Standby Link

Links the standby state of the Nº38 with other compatible components.

Input Selection Link

Activates linked components and selects appropriate inputs upon playback.

Record Link

Prevents inadvertent interruption of digital recording sessions.

Care and Maintenance

U.S. and Canadian Warranty

90-Day Limited Warranty

Standard warranty coverage for defects in material and workmanship.

Five Year Extended Warranty

Information on extending the product's warranty coverage to five years.

Obtaining Service

Specifications

Dimensions

Dimensions, Nº38, Top View

Diagram showing the top view dimensions of the Nº38 preamplifier.

Dimensions, Nº38, Side View

Diagram showing the side view dimensions of the Nº38 preamplifier.

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