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McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com

MA352

Integrated Amplifier

Owner’s Manual

Содержание MA352

Страница 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...

Страница 2: ...er name are important to you for possible insurance claim or future service The spaces below have been provided for you to record that information Serial Number ________________________________ Purcha...

Страница 3: ...3 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...

Страница 4: ...ceable parts including the tubes If repairs are needed they must be performed by an authorized McIntosh Service Agency Follow the steps below to pre pare the MA352 for operation 1 Orient the MA352 so...

Страница 5: ...mall Vacuum Tubes before the MA352 Integrated Am plifier is connected to AC Power and activated for use Failure to do so has the potential to cause physical harm to human be ings and animals This coul...

Страница 6: ...n including how to disable it refer to page 21 4 When Power Amplifier Protection Circuitry of the MA352 has activated the Vacuum Tubes LEDs are illuminated continuously with the color orange and the s...

Страница 7: ...Controlled Electromag netic Switches on all low level inputs and outputs The operating functions are for reliable noiseless distor tion free switching Moving Magnet Phono Inputs The MA352 Moving Magne...

Страница 8: ...5 500 2K 10K BAL 1 15 9 7 8 25 1m Front View of the MA352 Top View of the MA352 Right Side View of the MA352 17 1 2 44 5cm 8 7 8 22 5cm 3 7 62cm 5 3 4 14 6cm 12 7 16 31 6cm 1 1 2 3 8cm 13 1 4 33 7CM R...

Страница 9: ...ible operating life for any electronic instrument Do not install the MA352 directly above a heat generating device such as a Power Amplifier Allow at least 6 inches 15 3cm above the top 5 8 inch 1 6cm...

Страница 10: ...speaker UNBALANCED INPUTS 1 2 and 3 accept high level program source signals RS232 connector for connection to a compatible control system IR INput for signals from a compatible IR Room Sensor DATA PO...

Страница 11: ...tput Balanced Connectors 11 Connect the Audio Cables from the AM FM Tuner UNBAL Connectors to the MA352 UNBAL ANCED 1 Connectors 12 Connect the Audio Cables from the SACD CD Player UNBAL Connectors to...

Страница 12: ...s or less 4 Ohms 14AWG 12AWG 10AWG 8 Ohms 16AWG 14AWG 12AWG 1 Prepare the Loudspeaker Hookup Cable for attach ment to the MA352 Power Amplifier Bare wire cable ends Carefully remove sufficient insulat...

Страница 13: ...UBE WARMUP Refer to figure B When the tube warm up procedure has completed The illumination of the Tubes will now glow a green color this is followed by the last Input Source listened to and the volum...

Страница 14: ...ith McIntosh Models displaying instructions on a video screen Press to change broadcast BANDs on a connected Tuner Select certain functions on a variety of McIntosh Models Select the DEVICE to issue a...

Страница 15: ...onal information on using the HR085 Remote Control with the McIntosh Model please refer to the How to Operate starting on page 22 3 For additional information on assigning the Data Ports refer to How...

Страница 16: ...c HEADPHONES for private listening INPUT Control used to select a source for listening and recording The control is also used to enter the TRIM or SETUP Modes and select the various functions Front Pa...

Страница 17: ...vides the ability to switch unused INPUTS Off or back On if they have been previously switched Off The default INPUT Names can be changed to match the name of the component con nected to it or any oth...

Страница 18: ...amed to match up with the compo nent connected refer to page 11 step 9 The MA352 Default Input Names UNBAL 1 BAL 1 COAX 1 etc as indicated on the Front Panel Dis play can be customized to a different...

Страница 19: ...a Refer to figure 24 Setup con t Data Port The OUTPUT 2 Rear Panel Unbalanced Connectors are adjustable for their mode of operation 1 Press and hold in the INPUT Control to enter the SETUP MODE Refer...

Страница 20: ...he VOLUME ADJUST Control to select Disabled Refer to figure 32 4 Exit the SETUP Mode by several presses of the INPUT Control Figure 31 SETUP Front IR Enabled Figure 32 SETUP Front IR Disabled Remote C...

Страница 21: ...ADJUST Control to select Disabled Refer to figure 34 4 Press the INPUT Control to exit the Setup Mode Figure 33 SETUP Auto Off Enabled Figure 34 SETUP Auto Off Disabled Factory Reset If it becomes des...

Страница 22: ...appears on the Front Panel Display Refer to figure 54 or push the INPUT Push button on the Remote Con trol to select the Phono Input Refer to figures 51 and 52 Volume Control Rotate the Front Panel VO...

Страница 23: ...ately 4 seconds the Information Display returns to indicate the Source Selection and Volume Level To verify the Balance setting without changing it use the TRIM Push button and select Balance EQUALIZE...

Страница 24: ...formation Display returns to indicate the Source Selection and Volume Level Figure 65 INPUT TRIM 0 0 dB Figure 67 INPUT TRIM 2 5 dB Figure 66 INPUT TRIM 4 0 dB METER ILLUMINATION The Meter Illuminatio...

Страница 25: ...an be adjusted from bright to dim by performing the same type of operational steps for adjusting the METER ILLUMINATION 1 Select DISPLAY BRIGHTNESS as indicated on the Front Panel Information Display...

Страница 26: ...han 2 THD with up to 16dB overdrive at 1 000Hz Frequency Response 0 0 5dB from 20Hz to 20 000Hz 0 3dB from 10Hz to 100 000Hz Preamplifier Output Impedance 500 ohms Sensitivity for rated output High Le...

Страница 27: ...the proper equipment location on the bottom foam pad 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 inse...

Страница 28: ...cts is the policy of McIntosh Laboratory Incorporated who reserve the right to improve design without notice Printed in the U S A McIntosh Laboratory Inc 2 Chambers Street Binghamton NY 13903 www mcin...