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Specifications

Frequency Response

+0, -0.5dB from 20Hz to 20,000Hz

+0, -3dB from 15Hz to 100,000Hz

Total Harmonic Distortion

0.003% from 20Hz to 20,000Hz

Rated Output

2.5V Unbalanced, 5V Balanced (Main)

450mV (Fixed Output)

Maximum Voltage Output

8V RMS Unbalanced, 16V RMS Balanced

Sensitivity (for rated output)

High Level, 450mV Unbalanced, 900mV Balanced

Phono MM, 4.5mV

Phono MC, 0.45mV

Signal To Noise Ratio (A-Weighted)

High Level - 100dB (Below rated output)

MM Phono - 82dB (Below 5mV input)

MC Phono - 80dB (Below 0.5mV input)

Equalizer Controls

Input Impedance

High Level - 22K ohms Unbalanced

44k ohms Balanced

Phono MM - 50 to 800pF, in 50pF steps;

47K ohms

Phono MC - 25, 50, 100, 200, 400 or 1,000 ohms;

100pF

Maximum Input Signal

High Level, 5V Unbalanced, 10V Balanced

Phono MM, 50mV

Phono MC, 5mV

Voltage Gain

High Level to Fixed Output: 0dB

High Level to Main Output: 15dB

Phono MM to Record Output: 40dB

Phono MC to Record Output: 60dB

Output Impedance

100 ohms Unbalanced

200 ohms Balanced

Headphone Load Impedance

100 ohms to 600 ohms

Digital Input Sample Rates

Optical: PCM - 16Bit, 24Bit - 32kHz to 192kHz

Coaxial: PCM -16Bit, 24Bit - 32kHz to 192kHz

MCT: PCM, SACD, -16Bit, 24Bit - 32kHz to 192kHz

USB: PCM - 16Bit, 24Bit, 32Bit - 32kHz to 384kHz

DXD - DXD352.8kHz, DXD384kHz

DSD - DSD64, DSD128, DSD256

Power Control and Trigger Output

12VDC, 25mA

Power Requirements

Field AC Voltage conversion of the C52 is not pos-

sible. The C52 is factory configured for one of the

following AC Voltages:

100 Volts, 50/60Hz at 30 watts

110 Volts, 50/60Hz at 30 watts

120 Volts, 50/60Hz at 30 watts

220 Volts, 50/60Hz at 30 watts

230 Volts, 50/60Hz at 30 watts

240 Volts, 50/60Hz at 30 watts

Standby Power, less than 0.5 watts

Note: Refer to the rear panel of the C52 for the correct

voltage.

Overall Dimensions

Width is 17-1/2 inches (44.45cm)

Height is 7-5/8 inches (19.37cm) including feet

Depth is 18 inches (45.72cm) including the Front

Panel, Knobs and Cables

Weight

27.5 pounds (12.5 kg) net, 43 pounds (19.5 kg) in ship-

ping carton

Shipping Carton Dimensions

Width is 27 inches (68.6cm)

Height is 14 inches (35.6cm)

Depth is 25 inches (63.5cm)

20 50 100 200 500 1k

2k 5k 10k 20k

FREQUENCY IN HERTZ

- 5

-10

-15

+ 5

+10

+15

Содержание C52

Страница 1: ...McIntosh Laboratory Inc 2 Chambers Street Binghamton New York 13903 2699 Phone 607 723 3512 www mcintoshlabs com C52 Audio Preamplifier Owner s Manual ...

Страница 2: ...the apparatus has been dam aged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 Do not expose this equipment to dripping or splashing and ensure that no objects filled with liquids such as vases are placed on the equipment 16 ...

Страница 3: ...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 _________________________________ Safety Instructions 2 Thank You and Please Take a Moment 3 Technical Assistance and Custome...

Страница 4: ...d communication is occurring between them 3 Balanced and Unbalanced Inputs and Outputs can be mixed For example you may connect signal sources to Unbalanced Inputs and send signals from the Balanced Outputs You can also use Bal anced and Unbalanced Outputs simultaneously connected to different Power Amplifiers 4 The C52 internal Digital to Analog Converter Circuitry is designed to decode 2 channel...

Страница 5: ... between channels There are 214 individual 0 5dB volume level steps with no noise as the volume level is changed Variable Rate Volume and Balance Controls The C52 Preamplifier s Volume and Balance Control Circuitry provides an ideal rate of change with control rotation Equalizer Controls The eight Front Panel Equalizer Controls provide 12dB of boost or cut at their center frequencies The C52 remem...

Страница 6: ...al information on the next page pertaining to installing the C52 into cabinets 17 1 2 44 5cm 6 3 8 16 2cm 7 5 8 19 4cm 13 1 4 33 7cm 17 1 8 43 5cm 7 1 8 18 1cm 16 1 2 41 9cm 3 16 0 5cm 13 16 2 1cm 6 9 16 16 7cm 10 9 16 26 8cm 14 1 2 36 8cm 2 5 1cm 1 15 16 4 9cm Front View of the C52 Rear View of the C52 Side View of the C52 ...

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

Страница 8: ...n the separate folded sheets Mc1A 1B and Mc2A are an example of a typical audio system Your system may vary from this however the actual components would be connected in a similar manner For additional information refer to Connector and Cable Information on page 4 Notes 1 The C52 allows re naming of the Audio Inputs Names as indicated on the Front Panel Infor mation Display Example UNBAL 1 may cha...

Страница 9: ...n page 4 Audio Connections 14 Connect an Audio Cable from the C52 UNBAL ANCED INPUT 1 Tuner Jacks to the Tuner Unbalanced Output Jacks 15 Using the DIN Cable Twisted Pair cable sup plied with a MCT Transport from the C52 MCT DIGITAL AUDIO INPUT connector to the SACD CD Transport DIN Output connector 16 Connect an XLR Audio Cable from the C52 BAL ANCED INPUT 1 connectors to the Media Bridge Balance...

Страница 10: ...s 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 adjust various functions IN...

Страница 11: ...rmation on assigning the Data Ports refer to How to Setup on page 16 Trim Press the TRIM Push button until the desired Trim function Balance Trim Level etc appears on the C52 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...

Страница 12: ...s also used to enter the TRIM or SETUP Modes and select the various functions Meter indicates the Right Channel Output of the Preamplifier Meter indicates the Left Channel Output of the Preamplifier OUTPUT 1 and 2 Push buttons with indicators switch the Preamplifier Outputs 1 and 2 On or Off INFORMATION DISPLAY indicates the Sources Volume other Audio Settings Operational Functions and Setup Mode ...

Страница 13: ...efault 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 C52 V_ _ _ _ _ 13 INPUTS On Rename 13 OUTPUTS 1 2 Switched 15 TRIGGER 1 Output 1 16 TRIGGER 2 Output 2 16 TRIGGERS 3 thru 4 Main 16 DATA PORTS 1 thru 6 All Data 16 PASSTHRU OFF 17 RS232 Rate 115200 B...

Страница 14: ...lay indicates SETUP UNBAL 4 On Rename Refer to figure 4 on page 13 10 Exit the SETUP Mode by several presses of the INPUT Control RENAME INPUT In the following example the BALANCED 1 BAL 1 Input will be renamed to match up with the compo nent connected refer to page 9 step 15 The C52 Default Input Names UNBAL 1 BAL 1 COAX 1 etc as indicated on the Front Panel Dis play can be customized to a differ...

Страница 15: ...e 2 on page 13 2 Rotate the INPUT Control until SETUP Out puts Hold INPUT appears on the Information Display Refer to figure 21 3 Press and hold in the INPUT Control until SETUP OUTPUT 1 Switched appears on the Display Refer to figure 22 4 Rotate the VOLUME ADJUST Control to change from the Switched setting to Unswitched Refer to figure 23 5 In a similar manner perform steps 3 and 4 to change the ...

Страница 16: ... additional selections in cluding Output 2 or Input Refer to figure 31 5 In a similar manner perform steps 3 and 4 to change the Trigger 2 setting from OUTPUT 2 to Main Refer to figure 32 and figure 31 Figure 29 SETUP Triggers Hold INPUT Figure 31 SETUP TRIGGER 1 Main Figure 30 SETUP TRIGGER 1 Output 1 Figure 32 SETUP TRIGGER 2 Output 2 Figure 33 SETUP TRIGGER 3 Input Figure 34 SETUP TRIGGER 3 Bal...

Страница 17: ...2 on page 13 2 Rotate the INPUT Control until SETUP RS232 115200 Baud appears on the Information Dis play Refer to figure 41 3 Rotate the VOLUME ADJUST Control to select the desired Baud Rate Speed 4 Exit the SETUP Mode by several presses of the INPUT Control Setup con t Comm Port Baud Rate SETUP Passthru BAL 3 Figure 40 SETUP Passthru Off Figure 39 Passthru Figure 41 SETUP RS232 115200 Baud Remot...

Страница 18: ... IR Sensor is connected To de activate the Front Panel IR Sensor perform the following steps 1 Press and hold in the INPUT Control to enter the SETUP MODE Refer to figure 2 on page 13 2 Rotate the INPUT Control until SETUP Front IR Enabled appears on the Information Dis play Refer to figure 44 3 Rotate the VOLUME ADJUST Control to select Disabled Refer to figure 45 5 Exit the SETUP Mode by several...

Страница 19: ...19 Notes ...

Страница 20: ...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 Meter Lights Display Brightness Phono Cartridge MC MM Loading when the Input is Se lected and when Headphones are connected HXD Mode The Trim Settings are stored in memory independently for each Input Source Selected except the ...

Страница 21: ...owing steps Note The audio signal present at the FIXED OUT Jacks is unaffected by the Equalizer settings 1 Select the desired Input Source 2 Select EQUALIZER On as indicated on the Front Panel Information Display Refer to figure 72 3 To select EQUALIZER Off adjust the TRIM LEVEL Refer to figure 73 Remote Control until L BALANCE R appears on the Front Panel Information Display Refer to figure 64 No...

Страница 22: ...llumination may be switched On or Off by performing the following 1 Select METER LIGHTS On as indicated on the Front Panel Information Display Refer to figures 60 63 on page 20 and 74 2 Switch Off the Meter Illumination Refer to figure 75 After approximately 6 seconds the Information Display returns to indicate the Source Selection and Volume Level Notes 1 Meter Illumination of recent McIntosh Pow...

Страница 23: ...f adjustment of frequencies for each of the Equalizer Controls of the C52 at the 6dB and 6dB points Output 1 and 2 Press the Front Panel OUTPUT 1 or OUTPUT 2 Push button or use the Remote Control and press the SETUP BLUE Push button followed by the OUTPUT 1 or OUTPUT 2 Push button to send audio to sepa rate Power Amplifiers connected to the rear panel OUTPUT 1 or 2 Jacks It also activates the POWE...

Страница 24: ...om 100 to 600 ohms How To Make a Recording 1 Select the desired signal source you wish to record by using the Front Panel INPUT Control or us ing the INPUT UP DOWN Push button on the Remote Control 2 Adjust the record level using the recorder level con trol and proceed with the recording process 3 Listen to the playback of the program source just recorded by selecting the Input Source connected to...

Страница 25: ...l Inputs When a Digital Input Optical or Coxial Connection on the C52 is selected the Front Panel Information Display indicates the sampling frequency when a signal is present Refer to figure 86 During the time there is no Digital Signal present the display will indi cate SILENT Refer to figure 87 USB Input Operation and Driver Installation The C52 USB Input provides the capability to play back mu...

Страница 26: ...dio and than click on the Set Default button Notes 1 When the McIntosh 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 additional McIntosh USB Audio playback device will appear in the listing Make sure to select the McIn tosh HD HS USB Audio from ava...

Страница 27: ...l in the music However this higher rate results in consuming larger amounts of stor Figure 105 INPUT USB 46 44 1kHz Figure 106 INPUT USB 51 352 8kHz Figure 107 INPUT USB 46 DSD128 Figure 108 INPUT USB 51 DSD256 age space The Sample Rate usually should be set to match the Sample Rate of the music recording being played back There are many third party Applications besides Ap plications like Windows ...

Страница 28: ...28 ...

Страница 29: ...29 Photos ...

Страница 30: ...ad Impedance 100 ohms to 600 ohms Digital Input Sample Rates Optical PCM 16Bit 24Bit 32kHz to 192kHz Coaxial PCM 16Bit 24Bit 32kHz to 192kHz MCT PCM SACD 16Bit 24Bit 32kHz to 192kHz USB PCM 16Bit 24Bit 32Bit 32kHz to 384kHz DXD DXD352 8kHz DXD384kHz DSD DSD64 DSD128 DSD256 Power Control and Trigger Output 12VDC 25mA Power Requirements Field AC Voltage conversion of the C52 is not pos sible The C52...

Страница 31: ...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 32: ...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 04157800 ...

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