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Owner’s Manual
Nº326S
Preamplifier
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Important Safety Instructions 1. Read these instructions 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with a dry cloth. 7. Do not block ventilation openings. Install in accordance with the manufacturer’s instructions. 8. Do not install near any heat sources such as radiators, heat registers, stoves, or another apparatus that produces heat. 9. Do not defeat the safety purpose of the polarized or grounding-type
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FCC Notice This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that inte
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Nº326S Preamplifier Table of Contents Table of Contents Documentation Conventions . . . . . . . . . . . . . . . .vii Section 1: Getting Started Special Design Features . . . . . . . . . . . . . . . . . . . . . . . .1-1 Highlights • Product Registration Installation Considerations . . . . . . . . . . . . . . . . . . . . . .1-4 Unpacking • Placement • Remote Control Batteries Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . .1-7 Warm-Up & Break-In Period • Continuous Operatio
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Table of Contents Mark Levinson Section 4: Controls & Modes Standby . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1 SLEEP Display Intensity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2 Polarity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3 Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3 Mono Playback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5 MODE • L + R Balance Con
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Nº326S Preamplifier Documentation Conventions Documentation Conventions This document contains general safety, installation, and operation instructions for the Nº326S Preamplifier. It is important to read this document before attempting to use this product. Pay particular attention to safety instructions. Appears on the component to indicate the presence of uninsulated, dangerous voltages inside the enclosure – voltages that may be sufficient to constitute a risk of shock. Appears on the compone
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Getting Started 1 Special Design Features Thank you for purchasing the Nº326S Preamplifier. The Nº326S features audio circuits, controls, architecture, and optional phono modules based on the critically acclaimed Nº32. In fact, some audio circuits, such as the proprietary discrete volume attenuators, are identical to those found in the Nº32. The Nº326S is similar to the Nº320S, but the main circuit board has been replaced with an ® Arlon board that responds more quickly to transient signals in
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Getting Started Mark Levinson and temperature variations, while a second high-performance stage provides local, high-speed, low-noise power for audio cir- cuits. An advanced dual-mono design allows the Nº326S to achieve exceptional channel separation. Both audio channels use independent power supplies, communication circuits, and audio circuits. In fact, each channel’s audio circuits are located in a separate area of the chassis. This innovative approach isolates each channel, allowing the Nº326
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Nº326S Preamplifier Getting Started optimal power and isolation for even the most sensitive adjust- ments. Precision surface-mounted resistors accommodate adjust- ments in 1.0dB increments up to 23.0dB and in 0.1dB increments above 23.0dB. Unlike most stereo preamplifiers, the Nº326S is designed to integrate with multi-channel surround sound processors without the complications associated with competing stereo and multi- channel master volume controls. SSP (surround sound processor) mode allows
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Getting Started Mark Levinson • Balanced conversion for single-ended input signals • Mono or stereo playback • Selectable output signal polarity • Balance control •Intuitive Set Inputs menu • Sleep timer (standby) • Large front panel display • Selectable display intensity •2 Mark Levinson Link communication ports • Configurable trigger output connector (12 or 5V) • ir input connector • RS-232 port •Optional phono modules Product Registration Please register the Nº326S within 15 days of purchase.
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Nº326S Preamplifier Getting Started Item Quantity Detachable AC power cord 1 Link communication cable 1 1/8-inch hex key 1 Phillips-head screwdriver (size 1) 1 Nº326S remote control* 1 White gloves (pair)** 1 Warranty & Product Registration Card 1 * The remote control comes with two AAA batteries, which should be replaced as needed. ** The white gloves are provided to assist with the initial unpacking and installation of the Nº326S. Placement • DO install the Nº326S on a solid, flat, level surfa
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Getting Started Mark Levinson • DO NOT install the Nº326S near unshielded TV or FM antennas, cable TV decoders, and other RF-emitting devices that might cause interference. • DO NOT place the Nº326S on a windowsill or in another location in which it will be exposed to direct sunlight. • DO NOT obstruct the IR receiver located in the front panel display. When the Nº326S is not using the ir input connector, the remote control IR transmitter must be in line-of-sight with the IR receiver for proper
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Nº326S Preamplifier Getting Started 5. Insert two AAA batteries as shown in the illustration to the left. Make sure the batteries are correctly inserted observing the proper polarity. 6. Align the battery compartment cover with the guide on the back of the remote control. 7. Replace the three screws that were removed in step 2. 8. Properly dispose of the old batteries (if applicable). Power Requirements The Nº326S can be powered with a standard 15amp AC power line. If other components are also c
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Getting Started Mark Levinson After this initial period, performance will remain consistent unless power is disconnected from the ~ac mains connector. Power is disconnected from the ~ac mains connector when the Nº326S is powered off with the front panel power button; the power cord is disconnected from the ~ac mains connector or the electrical outlet; or an extended power failure or power outage occurs. Power is not disconnected from the ~ac mains connector when the Nº326S is in standby. When po
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Nº326S Preamplifier Getting Started CAUTION NEVER MAKE OR BREAK CONNECTIONS TO THE Nº326S UNLESS IT AND ALL ASSOCIATED COMPONENTS ARE POWERED OFF AND DISCONNECTED FROM ELECTRICAL OUTLETS. To begin using the Nº326S: 1. Make sure the Nº326S and all associated components are powered off and disconnected from electrical outlets. Note The Nº326S offers balanced (XLR) and single-ended (RCA) stereo connections. For best performance, use balanced (XLR) connections whenever possible. A balanced connectio
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Getting Started Mark Levinson 4. Reconnect the Nº326S and all associated components to electrical outlets. Then, power on the Nº326S and all associated components. It is recommended to power all power amplifiers on last. 5. Rotate the Nº326S front panel select knob or press the remote control select ± buttons to select the Nº326S input that corresponds to the Nº326S stereo input connectors selected in step 2. • The Nº326S front panel display indicates the name and volume level of the selected i
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Basic Operation Mark Levinson 2. standby button & LED Places the Nº326S into standby and takes the Nº326S out of standby, which allows the Nº326S to remain warmed-up to deliver optimal performance at all times. The front panel standby LED blinks red to indicate that the Nº326S is in standby and lights red to indicate that the Nº326S is not standby. Note Power is still connected to the ~ac mains connector when the Nº326S is in standby. 3. select knob Selects the desired input. Rotating the select
