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THE MclNTOSH C 504 STEREO PREAMPLIFIER 

Reading Time: 30 Minutes 

Price: $2.00 

Summary of Contents for C 504

Page 1: ...THE MclNTOSH C 504 STEREO PREAMPLIFIER Reading Time 30 Minutes Price 2 00...

Page 2: ...is a Model C 504 It has a serial number located on the rear panel of the chassis Record that serial number here The model serial number and purchase date are important to you for any future service Re...

Page 3: ...s have service done by a Mcintosh authorized service agency If the instrument is modified or damaged as a result of unauthorized repair the SERVICE CONTRACT will be cancelled Damage by improper use or...

Page 4: ...drill with a 3 16 inch bit held perpendicular to the panel and drill the six A and B holes Then using a drill bit slightly wider than the tip of your saw blade drill one hole at each of two diagonally...

Page 5: ...against the front face of the cabinet panel The screws pass through the PANLOC bracket flange the cabinet panel and then through the mounting strips previously mounted 7 Install the Instrument Guide...

Page 6: ...r to the TAPE INPUT 1 Right jack Connect a second recorder in the same manner to the TAPE IN PUT 2 jacks CONNECTING A STEREO TUNER Connect a cable from the left tuner output to the L TUNER INPUT jack...

Page 7: ...LEFT SPEAKER TUNER 5 POWER AMPLIFIER RIGHT SPEAKER TAPE RECORDER 1 TAPE RECORDER 2 TURNTABLE 2 TURNTABLE 1 FM ANTENNA AC POWER TO TURNTABLE AC POWER TO TUNER TAPE RECORDERS POWER AMP ETC...

Page 8: ...eing made or copying of tapes from one recorder to another while listening to a separate program MONITOR TAPE 1 pushbutton out The program source as selected by the INPUT SELECTOR is fed to the power...

Page 9: ...NCE and LOUDness The BALANCE and LOUDness controls are concentric The BAL A N C E c o n t r o l large outer knob adjusts for equal volume of either the left or right chan nels The volume of the channe...

Page 10: ...2 5V out 61 1 dB gain at 1 kHz 250mV in for 2 5V out 20 dB gain at 1 kHz 2 2mV in for 750mV out 50 7 dB gain at 1 kHz 250mV in for 750mV out 9 5 dB gain at 1 kHz 2 2mV in for 250mV out 41 1 dB gain a...

Page 11: ...FREQUENCY RESPONSE CONTROLS SET AT MAXIMUM AND MINIMUM LOUDNESS CONTROL RESPONSE FOR VARIOUS CONTROL POSITIONS HARMONIC DISTORTION IN AUX OUT MAIN INTERMODULATION DISTORTION IN AUX OUT MAIN INPUT FREQ...

Page 12: ...mplifier has a very wide dynamic range At 1000 Hz the phono input circuit will accept 100 millivolts without overload a voltage far greater than the output of any current magnetic phono car tridge Pho...

Page 13: ...ead of the out put amplifier This circuit uses a light emitting diode light dependent resistor network that functions to transmit no signal until two seconds after the power switch is turned on and to...

Page 14: ...Block Diagram MclNTOSH C 504 12...

Page 15: ...STEREO PREAMPLIFIER 13...

Page 16: ...HAMBERS ST BINGHAMTON N Y 13903 607 723 3512 The continuous improvement of its products is the policy of Mcintosh Laboratory Incorporated who reserve the right to improve design and price without noti...

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