Related Manuals for McIntosh MA352
Summary of Contents for McIntosh MA352
- Page 1 McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com MA352 Integrated Amplifier Owner’s Manual...
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Page 2: Table Of Contents
Customer Service Setup Mode: Your decision to own this McIntosh MA352 Integrated If it is determined that your McIntosh product is in How to Operate the Setup Mode ........17 Amplifier ranks you at the very top among discrimi- need of repair, you can return it to your Dealer. You Setup Functions: nating music listeners. -
Page 3: Important Information
IMPORTANT! INSTRUCTIONS FOR REMOVAL OF FOAM INSERT OVER THE VACUUM TUBES PRIOR TO CONNECTING THE A.C. POWER SUPPLY CORD, START ON THE NEXT PAGE. - Page 4 Service Agency. Follow the steps below to pre- V1 - 12AX7A V2 - 12AX7A pare the MA352 for operation: V3 - 12AT7 V4 - 12AT7 1. Orient the MA352 so the Front and Top of the INPUT VOLUME HEADPHONES STANDBY Integrated Amplifier is facing you. Refer to...
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Page 5: Unpacking The Ma352
Unpacking the MA352 5. The MA352 Integrated Amplifier has four Small Vacuum Tubes that are inserted into special Vacuum Tube Sockets on the Stainless Steel Chas- WARNING: sis. Refer to figure E. Each of the Tube Sockets have four pin openings to accept the Vacuum Tube Shield Covers. -
Page 6: General Information
MA352. thrown away or incinerated but disposed 3.5mm stereo mini phone plug (DB9-pin2) 2. Apply AC Power to the MA352 and other McIntosh of in accordance with the local regula- for use with a compatible control Data Out... -
Page 7: Introduction
The Power Amplifier Solid State section of the high current output. They accept large diameter wire MA352, with a power output of 200 watts per channel operating functions are for reliable, noiseless, distor- and spade lugs. Banana plugs may also be used only in tion free switching. -
Page 8: Dimensions
Dimensions Dimensions The following dimensions can assist in determining the best location for your MA352. There is additional information on the next page pertaining to installing the MA352 into cabinets. Front View of the MA352 Right Side View of the MA352 "... -
Page 9: Installation
Installation Installation The MA352 Integrated Amplifier is designed to be placed upright on a table or shelf, standing on its feet. The required ventilation requirements are shown. Always provide adequate ventilation for your MA352. 6" Cool operation ensures the longest possible operating 15.3cm... -
Page 10: Rear Panel Connections
McIntosh Component when the MA352 is switched On/Off Main Fuse holder, refer to information on the back panel of your MA352 to determine the correct fuse size and rating RS232 connector DATA PORTS are UNBALANCED MM PHONO INPUT... -
Page 11: Connecting Components And Loudspeakers
The MA352 has the ability to automatically switch power On/Off to McIntosh Source Components via 8. Connect a Control Cable from the MA352 DATA the MA352 Amplifier Output Terminals please follow PORTS 1 Jack to the SACD/CD Player Data In the steps below: the Power Control connections. -
Page 12: Connecting Loudspeakers
If the Loudspeaker’s impedance is in-between tosh Technical Support. the available connections, use the nearest lower 7. Connect the MA352 power cord to an active AC impedance connection. Refer to “General Informa- outlet. tion” Note 6 on page 6 for additional information. -
Page 13: Ma352 Switch Power On
Press the Volume Control on the MA352 or press (Power ON) Push-button on the Remote Con- Preamplifier Small Signal trol to switch On the MA352. The MA352 will go Vacuum Tube through a TUBE WARMUP cycle (15 seconds), with the Audio Muted. The Tubes in the MA352 glow an... -
Page 14: Remote Control Push-Buttons
Intosh Models displaying choices on a video Radio Program (where applicable) screen EXIT the TRIM Menu and is used with McIntosh Activates the TRIM Mode. GUIDE is Models displaying information or choices on a video used with McIntosh Models displaying... -
Page 15: How To Use The Remote Control
McIntosh Source Components connected to the MA352 via the Data Ports. Notes: 1. If at any time the MA352 seems unresponsive to the HR085 Remote Control Commands, press the DEVICE Push-button to select first. -
Page 16: Front Panel Displays, Controls And Jack
The control is also used to enter the Center Frequencies of 30Hz, 125Hz, nels. Switches the MA352 ON or OFF TRIM or SETUP Modes and select 500Hz, 2,000Hz, and 10,000Hz (Standby). Also used to change the... -
Page 17: Setup Mode
INPUT Control and the Front Panel Display while performing the following steps. nected to it or any other custom name desired (within Note: If the MA352 is currently On, proceed to step 2. will indicate its normal display. Refer to figure 1. 10 Characters). - Page 18 “B” to “M”. Refer to figure 9. on the Front Panel Display. Refer to figures 14 thru The MA352 Default Input Names (UNBAL 1, BAL 1, RENAME: BAL COAX 1, etc.) as indicated on the Front Panel Dis- >CAL...
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Page 19: Output 2, Passthru
11. The Setup Mode allows selection 1. Press and hold in the INPUT Control to enter the SETUP: Data Port 2 of the specified MA352 Input to be used for the Right SETUP MODE. Refer to figure 3 on page 17. All Data and Left Front Channels. -
Page 20: Comm Port Baud Rate
IR Sensor is connected. To de-activate the Front Panel municates (8 bit, no parity and 1 stop bit) with other Codes are used when the MA352 is used in the same IR Sensor perform the following steps: equipment is adjustable from 9,600 bits per second to location as another McIntosh Preamplifier and/or A/V 1. -
Page 21: Power Mode
Setup, con’t Power Mode Factory Reset The MA352 incorporates an Auto Off Feature, which If it becomes desirable to reset all the adjustable set- automatically places the preamplifier into the Power tings (Setup and Trim Settings) to the factory default Saving Standby/Off Mode. -
Page 22: How To Operate The Ma352
The Red LED to the left of the VOLUME Control trol to select the Phono Input. Refer to figures 51 and tions include Balance, Input Trim lights to indicate the MA352 is in Standby mode. To Level, Equalizer Mode, Mono/ switch ON the MA352, Press the VOLUME Control... -
Page 23: Equalizer Mode
Source Selection and Volume Level. speakers connected to the Power Amplifier Circuitry Selection and Volume Level. To verify the Balance of the MA352. The Output 2 Setting is for an external setting without changing it, use the TRIM Push-button MONO/STEREO MODE Power Amplifier connected to the MA352 Rear Panel and select Balance. -
Page 24: Trim Level
INPUT TRIM METER LIGHTS Source Components can have slightly different volume +4.0 dB levels resulting in the need to readjust the MA352 Figure 66 Volume Control when switching between different Figure 68 sources. The MA352 allows the adjustment of levels 2. -
Page 25: Information Display Illumination
Reset of the Microprocesors 2. Switch Off the TUBE Illumination by using the INFORMATION DISPLAY ACTIVITY In the unlikely event the controls of the MA352 stop functioning, the microprocessors can be reset by per- Front Panel Controls or Remote Control Push- The Activity of MA352 Front Panel Information Dis- buttons. -
Page 26: Specifications And Equalizer Controls
Standby: Less than 0.5 watt Total Harmonic Distortion High Level to Output 1: 44dB Note: Refer to the rear panel of the MA352 for the cor- High Level to Output 2: 15dB 0.03% maximum with both channels operating from 250 rect voltage. -
Page 27: Packing Instructions
Failure to do this will result in shipping damage. To protect the tubes during shippment, the Foam Insert removed from the MA352 needs to be re-insert- Foam Middle (4) ed. Follow the unpacking instructions on pages 4-5 in the reverse order. - Page 28 McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, NY 13903 www.mcintoshlabs.com The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated who reserve the right to improve design without notice. Printed in the U.S.A. McIntosh Part No. 24100000...
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