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Installation

The C50 can be placed upright on a table or shelf,

standing on its four feet. It also can be custom in-

stalled in a piece of furniture or cabinet of your

choice. The four feet may be removed from the bottom

of the C50 when it is custom installed as outlined be-

low. The four feet together with the mounting screws

should be retained for possible future use if the C50

is removed from the custom installation and used free

standing. The required panel cutout, ventilation cutout

and unit dimensions are shown.

Always provide adequate ventilation for your C50.

Cool operation ensures the longest possible operating

life for any electronic instrument. Do not install the

C50 directly above a heat generating component such

as a high powered amplifier. If all the components are

installed in a single cabinet, a quiet running ventila-

tion fan can be a definite asset in maintaining 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 2 inches (5.08cm) above the top, 2

inches (5.08cm) below the bottom and 1 inch (2.54cm)

on each side of the Preamplifier, so that airflow is not

obstructed. Allow 20 inches (50.8cm) depth behind the

front panel. Allow 1-7/16 inch (3.66cm) in front of the

mounting panel for knob clearance. Be sure to cut out

a ventilation hole in the mounting shelf according to

the dimensions in the drawing.

5/8

16.84cm

17-

3/16

43.66cm

Cutout Opening for Custom Mounting

C50 Front Panel

Custom Cabinet Cutout

Cutout

Opening

for

Ventilation

Cutout Opening for Ventilation

Support

Shelf

Chassis

Spacers

C50 Side View

in Custom Cabinet

-5/16

31.27cm

Cabinet

Front

Panel

Note: Center the cutout Horizontally

on the unit. For purposes of

clarity, the above illustration

is not drawn to scale.

C50 Bottom View

in Custom Cabinet

15"

38.10cm

-1/8

23.18cm

-1/4

5.72cm

15"

38.10cm

-1/16

2.70cm

Содержание C50

Страница 1: ...McIntosh Laboratory Inc 2 Chambers Street Binghamton New York 13903 2699 Phone 607 723 3512 www mcintoshlabs com C50 Audio Preamplifier Owner s Manual ...

Страница 2: ...ed for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or...

Страница 3: ...mbers Street Binghamton New York 13903 Phone 607 723 3515 Fax 607 723 1917 The serial number purchase date and McIntosh Dealer 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 ________________________________ Purchase Date _ _______________________________ Dealer Name _ ____________________...

Страница 4: ...be applied until all the system components are connected together Failure to do so could result in malfunc tioning of some or all of the system s normal opera tions When the C50 and other McIntosh Compo nents are in their Standby Power Off Mode the Microprocessor s Circuitry inside each component is active and communication is occurring between them 3 Balanced and Unbalanced Inputs and Outputs can...

Страница 5: ... Variable Rate Volume and Balance Controls The C50 Preamplifier s Volume and Balance Control Circuitry provides an ideal rate of change with control rotation Equalizer Controls with Bypass The Equalizer Circuitry provides 12dB of boost or cut at eight different center frequencies When an Equal izer Control is in the center position all Circuit Com ponents are removed from the Signal Path The C50 r...

Страница 6: ...rmation on the next page pertaining to installing the C50 into cabinets 17 1 2 44 45cm 6 3 8 16 19cm 7 5 8 19 37cm 13 1 4 33 66cm 17 1 8 43 50cm 7 1 8 18 10cm 16 1 2 41 91cm 3 16 0 48cm 13 16 2 06cm 6 9 16 16 67cm 10 9 16 26 83cm 14 1 2 36 83cm 2 5 08cm 1 15 16 4 92cm Front View of the C50 Rear View of the C50 Side View of the C50 ...

Страница 7: ...ite asset in maintaining 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 2 inches 5 08cm above the top 2 inches 5 08cm below the bottom and 1 inch 2 54cm on each side of the Preamplifier so that airflow is not obstructed Allow 20 inches 50 8cm depth behind...

Страница 8: ... Rear Panel Connections for the C50 Audio Preamplifier is located on a separate folded sheet contained in the Owner s Manual Packet Refer to separate sheet Mc2B for the Rear Panel Connections Rear Panel Connections C50 Audio Preamplifer Rear Panel ...

Страница 9: ...trol Connections 8 Connect a Control Cable from the C50 TUNER DATA PORTS Jack to the TUNER Data In Jack 9 Connect a Control Cable from the C50 CD DATA PORT Jack to the SACD CD Player Data In Jack 10 Connect a Control Cable from the C50 SRVR DATA PORT Jack to the Music Server Data In Jack 11 Connect any additional McIntosh Components in a similar manner as outlined in steps 8 thru 10 Sensor Connect...

Страница 10: ...in McIntosh Disc Players Selects FM Tuner Operating Func tions and Track Selection on certain McIntosh CD Players Press to change broadcast bands on an external McIntosh Tuner con nected Select certain functions on a variety of McIntosh Components Switches the Trigger 1 and or 2 Power Control Jack s On Off refer to Setup Power Control TRIG 1 and TRIG 2 on page 15 for addi tional information Note P...

Страница 11: ...yer or Music Server is being used Tuner Push buttons Press the AM or FM Push button to select the desired broadcast band Press and release the Channel Up p or Down q Push button to seek the next available station Press and hold a Channel Up p or Down q Push button to seek continuously from station to sta tion Volume Press the Up p or Down q VOLUME Push button to raise or lower the listening volume...

Страница 12: ...plifier OUTPUT 1 and 2 Push buttons with indicators switch the Preamplifier Outputs 1 and 2 On or Off INFORMATION DISPLAY indicates the Sources Vol ume other Audio Settings Operational Functions and Setup Mode Settings EQualizer BYPASS Push button with indica tor when activated the audio signal bypasses the Equalizer Controls also used to enter and exit the Setup Mode TRIM Push button with indicat...

Страница 13: ... can be identified at any time by utilizing the Setup Mode 1 Press and hold the C50 Front Panel EQ BYPASS SETUP Push button to enter the Setup Mode 3 The number after the character V is the Firm ware number Refer to figure 2 4 To exit the Setup Mode press the EQ BYPASS SETUP Push button How to Operate the Setup Mode The Default Settings Chart below indicates the Func tion Name Default Setting and ...

Страница 14: ...ETUP SOURCE INPUT SRVR RCA SETUP SOURCE INPUT SRVR DIGITAL 1 Figure 8 Input Level Adjustment Source Components can have slightly different volume levels resulting in the need to readjust the C50 Volume Control when switching between different sources The C50 allows the adjustment of levels for each of the Source Inputs for the same relative volume The CD and SERVER Inputs are used in the following...

Страница 15: ...Meter Illumination Off first switch off the Meter Illumination refer to page 19 and change the Display Brightness Setting 3 To exit from the Setup Mode press the EQ BY PASS SETUP Push button Setup con t Display Brightness Figure 11 SETUP DISPLAY BRIGHTNESS 3 Input and Power Control Settings Input Name Connection Type New Level Trim Triggers 1 2 TUNER CD CD2 DVD AUX SRVR Rec PHONO MC PHONO MM Figur...

Страница 16: ...ote Control are used or when a given Input or Inputs are selected In the first example the Power Control Trigger 1 Output will be set to function via the Remote Control ACC Push buttons 1 Press and hold the EQ BYPASS SETUP Push button until the Setup Mode is active Then press the OUTPUT 2 MENU Push button until the Setup Menu item SETUP TRIG1 OUTPUT Ac tion MAIN appears on the Front Panel Informa ...

Страница 17: ...mote Control Codes The Remote Control included with the C50 utilizes the NORMal McIntosh Control Codes The Second Set of Control Codes the C50 will respond to is referred to as the ALTernate Codes The ALTernate Codes are used when the C50 is used in the same location as another McIntosh Preamplifier and or A V Control Center This will prevent the Remote Control from affecting the operation of both...

Страница 18: ...ication starting at zero and then increasing to the last used volume setting Refer to figures 50 51 52 and 53 To switch OFF the C50 press the STANDBY ON Push button on the Front Panel or the OFF Push button on the Remote Control Note For an explanation of the Remote Control Push button functions refer to pages 10 and 11 Info The Trim Settings are stored in memory indepen dently for each Input Sour...

Страница 19: ...e Meter Illumination Refer to figure 60 After approximately 4 seconds the Information Display returns to indicate the Source Selection and Volume Level Notes 1 For information on how the Front Panel Information Display Brightness can change with the Meter Illumination On Off Setting refer to page 15 Setup Display Brightness 2 Meter Illumination of recent McIntosh Power Amplifiers will also switch ...

Страница 20: ...ono 2 Press the TRIM Push button repeatedly until MONO STEREO MODE ______ Stereo appears on the Front Panel Information Display Refer to figure 65 3 Rotate the VOLUME ADJUST Control or press the LEVEL Push buttons to Bypass the Equalizer Mode Refer to figure 66 After approximately 4 seconds the Information Display returns to indicate the Source Selection and Volume Level DIGITAL AUDIO DISPLAY By d...

Страница 21: ...nate during Trim selection and adjustment Approximately four seconds after Trim Function Selection and or adjust ments have stopped the C50 will switch off the Trim Mode Mute Press the MUTE Push button on the C50 Front Panel or on the Remote Control to Mute the Audio in all outputs Main Output 1 Output 2 and Headphones except the REC OUTPUT The Front Panel Informa tion Display will indicate the So...

Страница 22: ...the signal path The illustration to the right shows the fundamental frequency range of acoustical musical instruments and the human voice It also shows the range of adjustment of frequencies for each of the Equalizer Controls of the C50 at the 6dB and 6dB points Passthru When the C50 is connected together with a McIntosh Multichannel A V Control Center or Surround Decod er and has the PASSTHRU MOD...

Страница 23: ...0 back on press the cycles On STANDBY ON Push button Note This can be performed with the C50 On or in the Standby Mode Resetting the C50 to default settings If it becomes desirable to reset all the adjustable set tings Setup and Trim Settings to the factory default values perform the following The C50 OUTPUT 1 OUTPUT 2 Front Panel Push buttons are active when in the Passthru Mode The other of the ...

Страница 24: ...24 ...

Страница 25: ...25 Photos ...

Страница 26: ... ohms to 600 ohms Digital Input Sample Rates Optical 16Bit 24Bit 32kHz to 96kHz Coaxial 16Bit 24Bit 32kHz to 96kHz USB 16Bit 24Bit 32kHz to 192kHz 24Bit 32Bit 32kHz to 96kHz Power Control and Trigger Output 12VDC 25mA Power Requirements Field AC Voltage conversion of the C50 is not pos sible The C50 is factory configured for one of the following AC Voltages 100 Volts 50 60Hz at 30 watts 110 Volts ...

Страница 27: ...in shipping damage Use the 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 3 Please see the Part List for the correct part numbers Quantity Part Number Description 1 033888 Shipping carton only 4 033887 E...

Страница 28: ...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 04122700 ...

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