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Summary of Contents for Mark Levinson 326S
- Page 1 Installation Instructions & Release Notes Nº326S Preamplifier Phono Modules...
- Page 2 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.
- Page 3 ESD (Electrostatic Discharge) Precautions CAUTION The following practices minimize possible damage to circuit board assemblies resulting from electrostatic discharge or improper insertion: • Keep circuit board assemblies in their original containers until ready for use. • Avoid having plastic, vinyl, or Styrofoam in the work area. •...
- Page 4 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult an authorized Mark Levinson dealer or an experienced radio/TV technician for help. Caution! Changes or modifications not expressly approved by the party responsible for compliance could void the user’...
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Page 5: Table Of Contents
Nº326S Preamplifier Phono Modules Installation Instructions & Release Notes Table of Contents Documentation Conventions ......vi Special Design Features ......1 Unpacking . -
Page 6: Documentation Conventions
Conventions This document contains hardware installation instructions and software release notes for the Nº326S Preamplifier Phono Modules. Refer to the Nº326S Preamplifier Owner’s Manual for general safe- ty, installation, and operation instructions. Appears on the component to indicate the presence of uninsulated, dangerous voltages inside the enclosure –... -
Page 7: Special Design Features
Nº326S, allowing them to deliver exceptional sound quality. Each phono module relies on the same low-noise power supply as the main audio circuits in addition to its own local, low- noise, high-speed voltage regulators. -
Page 8: Unpacking
Important Safety Instructions (page ii) and ESD Precautions (page iii). Damage caused during configuration or installation may void the manufacturer’s warranty and/or standard repair policies. NOTE: Nº326S phono modules may be used with the Nº320S preamplifier without modification. - Page 9 Nº326S Preamplifier Phono Modules Installation Instructions & Release Notes Configuration The phono modules must be optimized to work with the associated Instructions phono cartridge. Each phono module includes: • 1 adjustable resistive load jumper • 1 adjustable capacitive load jumper •...
- Page 10 Installation Instructions & Release Notes Mark Levinson 1. Resistive Load (RL) Jumper Moving-coil phono cartridges often benefit from a low-value resistor termination. • Leave the resistive load jumper CLOSED to place a 200Ω resistor load on the phono input. •...
- Page 11 DISCONNECT THE POWER CORD FROM BOTH THE Nº326S AND THE ELECTRICAL OUTLET BEFORE INSTALLING THE PHONO MODULES. Before installing the phono modules: • Power off the Nº326S and all associated components. • Disconnect the power cord from the ~ac input connector AND the electrical outlet. •...
- Page 12 Installation Instructions & Release Notes Mark Levinson To install the phono modules: 1. Place the Nº326S upside-down on a flat, level surface such as a table or workbench. Do not place the Nº326S on a surface that is unstable. Note Perform these installation instructions at a static-free workstation to avoid damaging circuit boards.
- Page 13 Nº326S Preamplifier Phono Modules Installation Instructions & Release Notes 7. Refer to illustrations shown below to locate the following: A. Phono module insertion slots B. Phono module mounting terminals C. Location P300 (plug) D. Location P500 (plug) E. Location P10 (socket)
- Page 14 12. Replace the top cover from the Nº326S, gently sliding it toward the front panel. 13. Place the Nº326S upside-down on the work surface. Take care to avoid “dropping” the Nº326S on the work surface once the top cover is replaced.
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Page 15: Making Phono Input Connections
Installation Instructions & Release Notes Making Phono Input Connections Installing the phono modules allows the Nº326S to serve as a phono preamplifier. When shipped the Nº326S includes seven stereo input connectors that accept line-level input signals from associated components. Once the phono modules are installed, the stereo input connector labeled 7 serves as the phono input connector, accepting input signals from a phono cartridge. -
Page 16: Phono Input Settings
Installation Instructions & Release Notes Mark Levinson Phono Input Settings When the phono modules are not installed, the stereo input con- nector labeled 7 serves as the phono input connector. This input is renamed PHONO within the setup menu, and new parameters and settings are added to its Set Inputs menu. - Page 17 0.0 to 6.0 (left or right) Rec.Out* NONE NONE, #1, #2, BOTH These parameters continue to function as described in the Nº326S Owner’s Manual. Name Determines the name of the phono input connector (7). The factory-default input name is PHONO. Two methods are available...
- Page 18 Installation Instructions & Release Notes Mark Levinson Character List When the phono modules are installed, the phono input has access to the same character list as the other stereo inputs. This A a B b C c character list is shown at the left. A custom input name entered...
- Page 19 Nº326S Preamplifier Phono Modules Installation Instructions & Release Notes 6. Rotate the volume knob or press the volume ± buttons to scroll through all available characters. 7. When the desired character appears on the front panel display, press the enter button to select this character. The cursor will automatically advance to the next character space.
- Page 20 Installation Instructions & Release Notes Mark Levinson To adjust the Bal parameter: 1. Rotate the front panel select knob or press the remote control select ± buttons to select the phono input. PHONO • The front panel display indicates the name and volume level of the selected input.
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Page 21: Phono Module Specifications
Nº326S Preamplifier Phono Modules Installation Instructions & Release Notes Phono Module Specifications Unless otherwise specified, these specifications indicate nominal values measured over a 20Hz to 20kHz bandwidth through balanced (XLR) connections. • 40 or 60dB @ 1kHz Gain • >100mV @ 1kHz, 40dB gain Input Overload •... -
Page 22: Notes
Installation Instructions & Release Notes Mark Levinson Notes... - Page 23 Nº326S Preamplifier Phono Modules Installation Instructions & Release Notes Notes...
- Page 24 Installation Instructions & Release Notes Mark Levinson Notes...
- Page 26 3 Oak Park, Bedford, MA, 01730-1413 USA | Telephone: 781-280-0300 | Fax: 781-280-0490 | www.marklevinson.com Customer Service: Telephone: 781-280-0300 | Sales Fax: 781-280-0495 | Service Fax: 781-280-0499 Product Shipments: 16 Progress Road, Billerica, MA 01821-5730 USA Part No. 070-16659 | Rev 0 | 06/04...