McIntosh MA 5100 Owner'S Manual Download Page 1 | Manualshive

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PRICE $1.25

STERE

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PREAMPLIFIER

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AMPLIFIE

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MA51OO

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Summary of Contents for MA 5100

Page 1: ...PRICE 1 25 STEREO PREAMPLIFIER POWER AMPLIFIER MA51OO ...

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Page 3: ...u Nearly all of the Mclntosh equipment ever made is still useable or in use though it may have been made twenty years ago CONTENTS GENERAL DESCRIPTION TECHNICAL DESCRIPTION BLOCK DIAGRAM PERFORMANCE CHARTS SPECIFICATIONS INSTALLATION IN A HURRY TYPICAL CONNECTION CONNECTING BALANCING LISTENING FRONT PANEL CONTROLS GUARANTEE 2 3 4 5 6 7 8 9 10 11 12 12 13 14 15 16 Your purchase of a Mclntosh instru...

Page 4: ...connection wire resistor capacitor is checked and rechecked All specifications are checked Mclntosh testing takes time The extra investment in thorough testing assures you of greater musical enjoyment The performance of your Mcln tosh MA 5100 is backed by a money back guarantee Only Mclntosh gives you a money back guarantee of performance Your MA 5100 must be capable of meeting its published speci...

Page 5: ...r The first two transistors are emitter followers The first emitter follower is driven from the output of the volume control The second emitter fol lower is direct coupled to the third stage The third stage is a high gain voltage amplifier Signals pass through the input emitter follower and then couple to the second and third tone control stages through the tone control network The tone control co...

Page 6: ...rating conditions To further insure reliability a special power output SENTRY MONITOR ING CIRCUIT prevents failure of the power output transistors due to abnormal mismatch of the output When your MA5100 operates nor mally the SENTRY MONITORING CIRCUIT has no effect on signals passing through the power amplifier If the power dissipation should rise above normal operation the SENTRY MONITORING CIRCU...

Page 7: ...BLOCK DIAGRAM 5 ...

Page 8: ...OWER OUTPUT EQUIVALENT WATTS RMS FREQUENCY IN HERTZ 10000 20000 1000 100 20 6 5 4 3 2 PERCENT INTERMODULATION DISTORTION 1 0 1 100 6 1 0 20 15 10 5 0 5 10 15 20 RESPONSE IN DB POWER OUTPUT WATTS RMS 60 50 40 30 20 10 0 10 100 10K 100K PERCENT HARMONIC DISTORTION 4 3 2 1 100 10 6 5 ...

Page 9: ...hono input LEFT PLUS RIGHT OUTPUT Adjustable 0 to 6 volts from generator impedance of 5 000 ohms BASS CONTROLS 18 dB at 20 Hz with friction clutch for independent adjustment of each channel TREBLE CONTROLS 18 dB at 20 000 Hz with friction clutch for inde pendent adjustment of each channel HF FILTER Flat or 5 000 Hz cutoff 12 dB per octave LF FILTER Flat or 50 Hz cutoff 12 dB per octave POWER REQUI...

Page 10: ...es on the template with the drill holes Insert the screws in the center holes of the cabinet panel B holes on the template and tighten The screw head should pull into the wood slightly Use two inch long screws for panels under inch or two 1 inch long screws for panels inch thick and larger Attach the mounting brackets to the cabinet panel us ing four screws Secure the mounting strips to the rear o...

Page 11: ...ow volume listening and still hear full frequency range 7 HF FILTER in reduces high frequency noise such as record surface noise 8 LF FILTER in reduces low frequency noise such as turntable rumble 9 HEADPHONE to connect a set of low im pedance stereo headphones 10 POWER turns system ON and OFF 11 SPEAKER turns speakers ON and OFF for headphone listening MUST BE ON FOR NORMAL LISTENING 12 PHASE cor...

Page 12: ... R D P L A Y E R 1I RECORD P L A Y E R 2 T A P E P L A Y E R NO S E L F C O N T A I N E D E L E C T R O N I C S T V T A P E R E C O R D E R WITH SELF C O N T A I N E D E L E C T R O N I C S RIGHT L O U D S P E A K E R L E F T LOUDSPEAKER ...

Page 13: ...ER RECORD PLAYER 1 RECORD PLAYER 2 TAPEPLAYER NOSELFCONTAINEDELECTRONICS Connect the left channel to the upper PH 1 input jack Connect the right channel to the lower PH 1 input jack PHONO 2 position is used if two record players are used in a system Connect the left channel to the upper PH 2 input jack Connect the right channel to the lower PH 2 input jack CONNECTING A STEREO TUNER Plug the cable ...

Page 14: ...sure the ground wire does not make any connections to the shields of the left and right channel cables TO BALANCE LOUDNESS 1 Set the MODE SELECTOR to MONO 2 Play a familiar recording 3 Turn the BALANCE control to the 12 o clock position 4 While the program is playing stand between the two loudspeakers Listen to see if there is a differ ence in loudness from either speaker If there is a difference ...

Page 15: ...STEREO or MONO depending on the program on the tape 3 Adjust the VOLUME control to the desired volume USING A TAPE RECORDER WITH THREE HEADS AND SEPARATE PLAYBACK PREAMPLIFIERS To listen to tape connect your tape recorder to the TAPE MONITOR input on the rear of the MA5100 1 Switch TAPE SWITCH to MONITOR 2 Switch the MODE SELECTOR to STEREO or MONO de pending on the program on the tape 3 Adjust th...

Page 16: ... rotation decreases bass loudness The large knob adjusts the bass in the right channel The small knob adjusts the bass in the left channel 14 TREBLE CONTROLS Use the LEFT and RIGHT TREBLE controls to regulate treble loudness to the left and right speakers respec tively Clockwise rotation increases treble loudness counter clockwise rotation increases treble loudness The large knob adjusts the trebl...

Page 17: ... FREQUENCY FILTER Use the L F filter switch to reduce objectionable low fre quency noise created by a turntable or record changer and acoustically coupled feedback FLAT filter disconnected FILTER low frequency rumble and noise below 50 Hz are reduced when the switch is pushed to the FILTER position H F HIGH FREQUENCY FILTER Use the H F filter switch to reduce objectionable high frequency noise suc...

Page 18: ...nt is modified or damaged as a result of unauthorized repair the SERVICE CONTRACT will be cancelled 4 The SERVICE CONTRACT is issued to you as the original purchaser To protect you from misrepresentation this contract cannot be trans ferred to a second owner 5 The SERVICE CONTRACT is given to the purchasers who live in the 50 United States or Canada only 6 For your protection Mclntosh selects its ...

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Page 20: ...MclNTOSH LABORATORY INC 2 CHAMBERS ST BINGHAMTON N Y 13903 607 723 3512 Design subject to change without notice Printed in U S A 038 329 BE032003 ...

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