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Manley 50/50 manual

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Table of contents for the manual

  • Page 1

    MANLEY LABORATORIES, INC. MANLEY LABORATORIES, INC. 13880 MAGNOLIA AVE. CHINO, CA. 91710 TEL: (909) 627-4256 FAX: (909) 628-2482 OWNER'S MANUAL MANLEY REFERENCE DIRECT INPUT 50/50 STEREO AMPLIFIER[...]

  • Page 2

    CONTENTS INTRODUCTION 3 MAINS CONNECTIONS 4 CONNECTING YOUR AMPLIFIER 5 DIAGRAM TOP OVERHEAD VIEW 6 DIAGRAM REAR VIEW 7 DIAGRAM FRONT VIEW 8 BIAS PROCEDURES 9 OPERATIONAL NOTES 10 SPECIFICATIONS 11 WARRANTY 12 WARRANTY REGISTRATION 13 SECTION PAGE[...]

  • Page 3

    INTRODUCTION ! THANK YOU!... for choosing the Manley DIRECT INPUT 50/50 Amplifier. Designed by David Manley, the Manley DIRECT INPUT 50/50 Amplifier uses only the best available components, with the shortest and cleanest signal path possible, and with the use of our own in-house CNC machine shop we can provide you with a amplifier that looks as goo[...]

  • Page 4

    MAINS CONNECTIONS Your amplifier has been factory set to the correct mains voltage for your country. The voltage setting is marked on the serial badge, located on the rear panel. Check that this complies with your local supply. Export units for certain markets have a moulded mains plug fitted to comply with local requirements. If your unit does not[...]

  • Page 5

    CONNECTING YOUR AMPLIFIER Setting up your amplifier is rather easy. 1. Connect all LINE LEVEL source components (CD, Tuner, Tape, DAT, etc.) to the designated RIGHT & LEFT inputs on the back of the amplifier. 2. Connect the hot or "+" speaker cable to the red binding post and the common or "-" speaker cable to the black bind[...]

  • Page 6

    INPUT RCA OUTPUT B+ MAINS FUSES IEC MAINS IN Amplifier Overhead View with top cover removed OUTPUT TUBES:4 x RUSSIAN 6CA7/EL34 The 6CA7's used are the Russian up-rated 6CA7's. This has been proven to be the rugged and reliable of this type and we strongly emphasize that only the RUSSIAN 6CA7's should be used in this amplifier. The MA[...]

  • Page 7

    RCA INPUTS RCA INPUTS RECORD OUTPUTS SPEAKER OUTPUT BINDING POSTS MAINS FUSE SLO-BLO MAINS IEC AUX CD TAPE TUNER AUX CD TAPE TUNER RIGHT CHANNEL LEFT CHANNEL REAR VIEW OF AMPLIFIER[...]

  • Page 8

    FRONT VIEW OF AMPLIFIER SHOWING BIAS MEASUREMENT POINTS FRONT VIEW OF AMPLIFIER MANLEY AUX CD TAPE TUNER MANLEY DIRECT INPUT 50/50 STEREO AMPLIFIER READ BIAS VOLUME POWER SWITCH POWER LED GROUND 1 2 3 4 MUTE SWITCH MUTE LED[...]

  • Page 9

    BIAS PROCEDURES The Manley DIRECT INPUT 50/50 uses a fixed bias system that requires very little attention. If you wish to adjust or check the bias, follow the following steps. For this procedure you will need a voltmeter (a hand held autoranging DMM digital multimeter is the easiest) and a small flat screwdriver. 1. On page 8, which shows the FRON[...]

  • Page 10

    OPERATIONAL NOTES TUBE LIFE You should expect extended life from the tubes in your MANLEY DIRECT INPUT 50/50 if you adhere to the procedures described above and check your bias at least once every 2-3 months. We stock all the tubes in these amplifiers should you ever need replacements (and at very reasonable prices too!) FUSES The fuse used in your[...]

  • Page 11

    SPECIFICA TIONS Vacuum Tubes: 4 x EL34 (Output), 2 x 6414 (Drivers), 2 x 12AT7 (Inputs) Output Power 51 Watts (@1.5% THD 5 ohm load) Frequency Response, +/- .5 dB 10 Hz - 20 KHz at 50% rated power Input Sensitivity 375mV Input Impedance 100 KOhm Load Impedance 5 Ohm (fixed) S/N Ratio @50W -80 dB Power Consumption 220 Watts Quiescent 360 Watts Full [...]

  • Page 12

    W ARRANTY All Manley Laboratories equipment is covered by a limited warranty against defects in materials and workmanship for a period of 90 days from date of purchase to the original purchaser only. A further optional limited 5 year warranty is available to the original purchaser upon proper registration of ownership within 30 days of date of firs[...]

  • Page 13

    WARRANTY REGISTRATION We ask that you please fill out this registration form and send the bottom half to: MANLEY LABORATORIES REGISTRATION DEPARTMENT 13880 MAGNOLIA AVE. CHINO CA, 91710 Registration entitles you to product support, full warranty benefits, and notice of product enhancements and upgrades. You MUST complete and return the following to[...]