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MANLEY
LABORATORIES, INC.
OWNER'S MANUAL
MIC EQ 500 COMBO
MANLEY LABORATORIES, INC.
13880 MAGNOLIA AVE.
CHINO, CA. 91710
TEL: (909) 627-4256
FAX: (909) 628-2482
email: emanley@netcom.com
http://www.manleylabs.com

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Summary of Contents for Manley MIC EQ 500 Combo

  • Page 1 MANLEY LABORATORIES, INC. OWNER'S MANUAL MIC EQ 500 COMBO MANLEY LABORATORIES, INC. 13880 MAGNOLIA AVE. CHINO, CA. 91710 TEL: (909) 627-4256 FAX: (909) 628-2482 email: emanley@netcom.com http://www.manleylabs.com...
  • Page 2: Table Of Contents

    CONTENTS SECTION PAGE INTRODUCTION MAINS CONNECTIONS CONNECTING YOUR PREAMPLIFIER CONNECTION EXAMPLES HINTS EQ CURVES BASIC MAINTENANCE FIGURE 1 FRONT PANEL FIGURE 2 REAR PANEL OPERATIONAL NOTES SPECIFICATIONS WARRANTY WARRANTY REGISTRATION TEMPLATE TO RECORD SETTINGS FREE page 2...
  • Page 3: Introduction

    Manley Laboratories "MIC EQ 500 COMBO". Designed by David Manley, The MIC EQ 500 COMBO uses the best available parts with the, cleanest, signal path possible. This preamp features a new fully differential Mic preamplifier with transformer coupled input and output. This circuit is similar to the Manley Variable Mu Limiter/Compressor and is considered the finest line amplifier currently being built.
  • Page 4: Mains Connections

    MAINS CONNECTIONS Your MIC EQ-500 COMBO 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 require- ments.
  • Page 5: Connecting Your Preamplifier

    If the 48 volt phantom power is fed into a unbalanced line or shorted mic cable then you risk damaging the input transformer. Manley Labs uses the technique of feeding the 48 volts into the center tap of the bifilar wound input transformer. While this may occasionally damage the transformer or current limiting resistor in a mis-wired situation, it allows certain mics to truly reach their potential sound-wise.
  • Page 6: Connection Examples

    THIS PAGE FOR CONNECTION EXAMPLES page 6...
  • Page 7: Hints

    The MIC EQ-500 COMBO preamp section and make-up gain stage use a similar circuit to several of our most expensive yet most popular circuits. The MANLEY VARIABLE MU LIMITER COMPRESSOR uses a similar topology. It would be described as a transformer input, fully differential tube amplifier, transformer output.
  • Page 8: Eq Curves

    This page is reserved for freq resp curves...
  • Page 9 Using a great mic will be the difference of magic from tragic. "Manley make this big gold mic that you gotta try...". Mic placement is another very effective tool and damn cheap for the amount of tone change you get. If in doubt try moving the mic before moving the knob.
  • Page 10: Basic Maintenance

    Replacing the fuse with the wrong value could be disasterous and would void the warranty. Use a 2 Amp Slo-Blo type or "MDL 2". If this fuse blows then there is very likely a problem that requires a technician or return to Manley Labs for repairs. CHANGING THE METER LAMP The lamp behind the meter should last several years but it is incandescent and will eventually burn out.
  • Page 11 LEVEL LEVEL MIC / EQ 500 COMBO 71015 SHELF SHELF 100 HZ DESIGNED BY DAVID MANLEY HANDCRAFTED IN CHINO, CALIFORNIA POWER BYPASS 40 HZ PEAK PEAK A PHASE - Changes the polarity of the Mic signal from 0º to 180º In 0º a positive going signal at the input produces a positive going signal at the output.
  • Page 12: Rear Panel

    Phantom is 48 volts. IEC MAINS CONNECTOR. Used with AC cable correctly wired for your countries voltage. Different Mains AC Voltages require internal re-wiring or transformer replacement that should be done by the dealer or Manley Labs. page 12...
  • Page 13: Operational Notes

    The downside is having to run out to the studio to adjust a control. One should not really have to be re-adjusting the controls of this unit every few minutes. If a compressor is patched between the MIC EQ 500 COMBO and the tape machine then the engineer has adjustment of level to tape at arms reach without resorting to patching the signal through the console.
  • Page 14: Specifications

    SPECIFICATIONS MIC EQ 500 COMBO Vacuum Tubes: 2X 5751, 1X 6414, 1X 7044 Fuse Type 2 AMP SLO-BLO Lamp type 1/4 X 1 1/4, 12 volt, .15 amp MIC PRE SECTION Gain 46 dB maximum Frequency Response @ -1 dB...
  • Page 15: Warranty

    If you believe this to be a new unit then please contact the factory with the details of purchase. This warranty is provided by the dealer where the unit was purchased, and by Manley Laboratories, Inc. Under the terms of the warranty defective parts will be repaired or replaced without charge, excepting the cost of tubes.
  • Page 16: Warranty Registration

    Registration entitles you to product support, full warranty benefits, and notice of product enhancements and upgrades. You MUST complete and return the following to validate your warranty and registration. Thank you again for choosing Manley Laboratories. MODEL MIC EQ-500 COMBO SERIAL No.__________________...

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