McIntosh 168255 Owner'S Manual Download Page 13 | Manualshive

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Summary of Contents for 168255

Page 1: ...McIntosh Laboratory Inc 2 Chambers Street Binghamton New York 13903 2699 Phone 607 723 3512 www mcintoshlabs com MA9000 Integrated Amplifier Owner s Manual ...

Page 2: ...______________________ Purchase Date ________________________________ Dealer Name _________________________________ Important Safety Information is supplied in a separate document Important Additional Operation Information Guide Safety Instructions 2 Separate Sheet Important Additional Operation Information Guide Thank You and Please Take a Moment 2 Technical Assistance and Customer Service 2 Tabl...

Page 3: ...f the MA9000 has activated the Front Panel Power Guard LEDs are illuminated continuously and the sound will be muted 5 When the Power Transformer has overheated due to improper ventilation and or high ambient operat ing temperature AC Power is removed from the MA9000 Normal operation will resume when the operating temperature is in a safe range again 6 For the best performance and safety it is imp...

Page 4: ...it resolution decodes up to DSD256 Digital Signals and DXD 24 Bit with a sampling rate up to 384kHz Moving Coil and Moving Magnet Phono Inputs The MA9000 has two precision Phono Preamplifier Circuits for Moving Coil and Moving Magnet Phono Cartridges Both circuits use the latest designs to provide the lowest possible noise distortion and flat frequency response The MC and MM Phono Car tridge Input...

Page 5: ... on the next page pertaining to installing the MA9000 into cabinets Front View of the MA9000 Rear View of the MA9000 Side View of the MA9000 17 1 2 44 5cm 3 16 0 5cm 16 13 16 42 7cm 7 8 2 2cm 7 15 16 7 9cm 11 1 2 29 2cm 19 3 4 50 2cm 16 7 16 41 8cm 8 1 4 21 0cm USB 30 DSD256 8 13 16 22 4cm 9 7 16 24 0cm 2 1 4 5 7cm 12 3 4 32 4cm 1 1 4 3 2cm ...

Page 6: ...intaining all the system components at the coolest possible operating temperature A custom cabinet installation should provide the following minimum spacing dimensions for cool operation Allow at least 6 inches 15 24cm above the top 2 inches 5 08cm below the bottom and 2 inches 5 1cm on each side of the Integrated Amplifier so that air flow is not obstructed Allow 20 inches 50 8cm depth behind the...

Page 7: ...n of Rear Panel Connections for the MA9000 Integrated Amplifier is located on a separate folded sheet contained in the Owner s Manual Packet Refer to separate sheet Mc1A for the Rear Panel Connections Rear Panel Connections MA9000 Integrated Amplifer ...

Page 8: ...nect a Control Cable from the MA9000 DATA PORT Jack 2 to the AM FM Tuner Data In Jack 10 Connect a Control Cable from the MA9000 Jack 1 to the Media Server Data In Jack 11 Connect any additional McIntosh Components in a similar manner as outlined in steps 8 thru 10 Sensor Connection 12 Optionally connect the cable with stereo mini plug coming from the compatible External Sensor to the EXT CTRL Ext...

Page 9: ...u input 1 Connect Audio Cables from the A V Processor FL Front Left and FR Front Right Channel Outputs to the MA9000 UNBALANCED Num ber 6 INPUTS Left and Right Jacks 2 Connect a Control Cable from the A V Proces sor TRIGger 2 Output to the MA9000 POWER CONTROL PASSTHRU INPUT Jack Note Refer to Setup Passthru on page 21 to assign the Number 6 INPUT as the Passthru Input 3 Proceed to Connecting Loud...

Page 10: ... Jumpers from between the OUTPUT 1 Jacks and the PWR AMP In Jacks located on the Rear Panel of the MA9000 Note Place the McIntosh Jumper in a safe place for possible future use 2 Using a pair of shielded RCA Type Audio Y Adapters connect the OUTPUT 1 Jacks to the PWR AMP In Jacks for both Left and Right Channels 3 Connect the remaining unconnected part of the Y Adapters to the separate Power Ampli...

Page 11: ...ly prepared bare wire cable ends into the banana plugs and secure the connections Refer to figure I 3 Rotate the Output Terminal Post clockwise until it is finger tight Refer to figure J Then using the McIntosh Wrench rotate the top of the Output Terminal one quarter of a turn 90 Do not over tighten Refer to figure E 4 Referring to figure K connect the Loudspeaker hookup cables with banana plugs i...

Page 12: ...rmly clamped into the terminals so the lugs or wire cannot slip out Refer to figures L and M Note The illustration located on the separate folded sheet Mc2B is for connection to an 8Ω ohms Loudspeaker If the Loudspeaker s impedance is in between the available connections use the nearest lower im pedance connection Refer to General Informa tion Note 6 on page 3 for additional information WARNING Lo...

Page 13: ...13 ...

Page 14: ...s used with 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 remote control command to Direct access to stored Tuner PRESETS when used with the numeric Push buttons 0 thru 9 Press the Trim Push button and then the LEVEL DOWN Push button to select and a...

Page 15: ...mation on assigning the Data Ports refer to Data Ports on page 20 Trim Press the TRIM Push button until the desired Trim function Balance Trim Level etc appears on the MA9000 Front Panel Display then press the LEVEL Up or Down Push button to adjust the Trim setting Note Press the TRIM Push button to recall the last Trim function selected For additional information on using the Trim Functions refer...

Page 16: ...s 1 and 2 On or Off INFORMATION DISPLAY indicates the Sources Volume other Audio Settings Operational Functions and Setup Mode Settings EQUALIZER Push button with indicator when deactivated the audio signal bypasses the Equal izer Controls EQUALIZER Controls increase or de crease the volume levels at the Center Fre quencies of 25Hz 50Hz 100Hz 200Hz 400Hz 1 000Hz 2 500Hz and 10 000Hz VOLUME Control...

Page 17: ...any time by How to Operate the Setup Mode The Default Settings Chart below indicates the Func tion Name Default Setting and the Page Number for additional information Default Settings Firmware Version Default Settings Function Name Setting Page No MA9000 V_ _ _ 17 DA1 V_ _ _ 17 INPUTS On Rename 17 18 OUTPUTS 1 2 Switched 19 TRIGGER 1 Output 1 20 TRIGGER 2 Output 2 20 DATA PORTS 1 thru 4 All Data 2...

Page 18: ...d in the INPUT Control until SET UP BAL On Rename appears on the Display If necessary rotate the INPUT Control to select the BAL Input Refer to figure 8 14 Press and hold in the INPUT Control until RE NAME BAL BAL appears on the Dis play The character B is flashing to indicate it is 2 Rotate the INPUT Control until SETUP Inputs Hold INPUT appears on the Information Dis play Refer to figure 3 on pa...

Page 19: ...hold in the INPUT Control until SETUP OUTPUT 1 Switched appears on the Display Refer to figure 20 4 Rotate the VOLUME ADJUST Control to change from the Switched setting to Unswitched Refer to figure 21 5 In a similar manner perform steps 3 and 4 to change the OUTPUT 2 setting Refer to figures 22 and 23 19 Rotate the INPUT Control until the _ empty space to the right of character I is flashing then...

Page 20: ...from the available additional selections including Output 2 or Input Refer to figure 28 5 In a similar manner perform steps 3 and 4 to change the Trigger 2 setting from OUTPUT 2 to Main Refer to figures 29 and 30 Figure 26 SETUP Triggers Hold INPUT Figure 28 SETUP TRIGGER 1 Main Figure 27 SETUP TRIGGER 1 Output 1 Figure 29 SETUP TRIGGER 2 Output 2 Data Ports Data Port Connections between the MA900...

Page 21: ...anges PCM DSD etc On occasion due to the way a Digtal Audio Music Recording was made it may become desirable to switch Off the USB Automute Feature To switch Off Automute perform the following steps 1 Press and hold in the INPUT Control to enter the SETUP MODE Refer to figure 2 on page 17 2 Rotate the INPUT Control until SETUP USB Automute ON appears on the Information Dis play Refer to figure 39A...

Page 22: ...ation Dis play Refer to figure 43 3 Rotate the VOLUME ADJUST Control to select Disabled Refer to figure 44 5 Exit the SETUP Mode by several presses of the INPUT Control Figure 43 SETUP Front IR Enabled Figure 44 SETUP Front IR Disabled Setup con t Remote Control Codes The HR085 Remote Control included with the MA9000 utilizes the NORMAL McIntosh Control Codes The second set of Control Codes the MA...

Page 23: ...e Front Panel STAND BY Push button to switch On the MA9000 Figure 49 FACTORY RESET Completed Figure 47 FACTORY RESET Hold INPUT Figure 48 FACTORY RESET In Progress Reset of Microprocessors In the unlikely event the controls of the MA9000 stop functioning the microprocessors can be reset by per forming the following 1 Press the STANDBY ON Push button until the STANDBY ON LED Indicator switches Off ...

Page 24: ...res 50 51 52 and 53 To switch OFF the MA9000 press the STANDBY ON Push button on the Front Panel or the Power Red Push button on the Remote Control Trim Functions The MA9000 has various Trim Selections with Adjustments The Trim Functions include Bal ance Input Trim Level Equal izer Mode Phono Cartridge Loading when a Phono Input is selected Resistance for MC and Capacitance for MM Mono Stereo Mete...

Page 25: ...Information Display returns to indicate the Source Selection and Volume Level TRIM LEVEL Source Components can have slightly different volume levels resulting in the need to readjust the MA9000 Volume Control when switching between different sources The MA9000 allows the adjustment of levels for each Source ensuring the same relative volume To adjust the Trim Level for the currently selected Input...

Page 26: ...NO STEREO MODE By default the Stereo Mode is active for all Input Sources however any Input Source may be assigned to Mono Mode To change Stereo Mode to Mono for a given Input Source perform the following steps Note The audio signal present at the FIXED OUT Jacks is affected by the Stereo Mono setting 1 Select the desired Input Source 2 Select MONO STEREO ______ as indicated on the Front Panel Inf...

Page 27: ...the push button will extinguish Note 1 The audio signal present at the FIXED OUTPUT Jacks is unaffected by the Equalizer Circuitry 2 The EQUALIZER can also be accessed by the TRIM Function refer to page 25 Trim Press the Front Panel INPUT TRIM Control to acti vate the MA9000 Trim Functions Rotate the Front Panel INPUT Trim Control to select the desired Trim Function and then rotate the VOLUME Adju...

Page 28: ... BALANCE or EQUALIZER Controls Setting Using a Separate Power Amplifier There are two different ways to use a separate power amplifier with a MA9000 The first way is to use the separate amplifier instead of the MA9000 built in Power Amplifier Connect the Loudspeakers to the separate Power Amplifier and remove the McIntosh Jumpers that are located between the OUTPUTS 1 Figure 50 Jacks and the PWR A...

Page 29: ...s centered at the frequency marked above the controls The center frequencies of these controls are at 25Hz 50Hz 100Hz 200Hz 400Hz 1 000Hz 2 500Hz and 10 000Hz Both Left and Right Channels are affected At the center detent or flat position of the controls the tone circuit compo nents are removed from the signal path The illustration to the right shows the fundamental frequency range of acoustical m...

Page 30: ...D v1 0 and download the PC Windows Driver Follow the instruc tions below to install the McIntosh MA9000 Driver Purpose To Install the McIntosh USB Audio Windows Driver for use with McIntosh Products with an USB Digital Audio Input Requirements 1 A PC Computer with a functioning USB Port 2 Windows 7 SP1 or greater Windows 8 8 1 or Windows 10 Operating System 3 An USB Cable with Type A to Type B Con...

Page 31: ...ntosh HD HS USB Audio and than click on the Set Default button Notes 1 When the McIn tosh USB Audio Product is not connected to your computer the previous default Audio Device will be selected 2 If other McIn tosh Products with USB Audio Connections are also connected to the computer an ad ditional McIntosh USB Audio playback device will appear in the listing Make sure to select the McIntosh HD HS...

Page 32: ... the Application Output Format when available and the McIntosh HD Control Panel Settings Note In general when the original music is recorded at a higher Sampling Rate the result is usually more detail in the music However this higher rate results in consuming larger amounts of stor age space The Sample Rate usually should be set to match the Sample Rate of the music recording being played back The...

Page 33: ...33 Photos ...

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Page 36: ... 98dB below rated output Phono MM 84dB below 5mV input Phono MC 82dB below 0 5mV input Input Impedance High Level 22K ohms Unbalanced 44k ohms Balanced Phono MM 50 to 400pF in 50pF steps 47K ohms Phono MC 25 50 100 200 400 or 1 000 ohms 100pF Voltage Gain High Level to Rec Output 0dB High Level to Output 1 and 2 15dB Phono MM to Rec Output 40dB Phono MC to Rec Output 60dB Phono MM to Output 1 and ...

Page 37: ... Power Guard Less than 2 THD with up to 16dB overdrive at 1 000Hz Frequency Response 0 0 25dB from 20Hz to 20 000Hz 0 3 0dB from 10Hz to 100 000Hz Input Sensitivity for rated output 1 7 Volts Signal To Noise Ratio A Weighted 114dB below rated outpu Input Impedance 22 000 ohms Maximum Input Signal Power Amplifier In 16V Voltage Gain 29dB 8 Ohms 26dB 4 Ohms 23dB 2 Ohms MA9000 Preamplifier Digital Au...

Page 38: ...ps 230 Volts 50 60Hz at 3 3 amps 240 Volts 50 60Hz at 3 3 amps Standby Less than 0 25 watt Note Refer to the rear panel of the MA9000 for the cor rect voltage Overall Dimensions Width is 17 1 2 inches 44 45cm Height is 9 7 16 inches 24 0cm including feet Depth is 22 inches 55 88cm including the Front Panel Knobs and Cables Weight 101 pounds 45 8 kg net 134 pounds 60 8 kg in ship ping carton Shippi...

Page 39: ...he original shipping carton and interior parts only if they are all in good serviceable condition If a shipping carton or any of the interior part s are needed please call or write Customer Service Depart ment of McIntosh Laboratory Refer to page 2 Please see the Part List for the correct part numbers Quantity Part Number Description 1 034052 Shipping carton top 1 034051 Shipping carton bottom 2 0...

Page 40: ...ucts 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 mcintoshlabs com McIntosh Part No 04175400 ...

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