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Conrad-Johnson MV100 Owner's Manual
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Conrad-Johnson MV100 Owner's Manual

Vacuum tube amplifier
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OWNER'S MANUAL
MV100
VACUUM TUBE AMPLIFIER
conrad-johnson design
703-698-8581

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Summary of Contents for Conrad-Johnson MV100

  • Page 1 OWNER’S MANUAL MV100 VACUUM TUBE AMPLIFIER conrad-johnson design 703-698-8581...
  • Page 2 Congratulations on your purchase of the conrad-johnson MV100 amplifier. You have acquired one of the finer pieces of musical reproduction equipment available today. The MV100 is the result of conrad- johnson design’s research into the application of vacuum-tube devices to the reproduction of recorded music.
  • Page 3 2. conrad-johnson will repair defective units without charge for labor or parts (with the exception of the vacuum tubes) subject to the following conditions: a) The unit must not have been altered or damaged through misuse, abuse, negligence, accident or improper operation.
  • Page 4 It will enable us to inform you of any alterations in the design of a given model and of any new products we offer which are likely to be of interest to you. MV100 Owner’s Manual...

  • Page 5: Circuit Design

    Accordingly, the audio circuit of the MV100 is remarkably straightforward. A single triode input amplifier is direct coupled to a cathode follower. This arrangement offers exceptional phase linearity. This stage is direct coupled to a cathode coupled differential phase inverter using high current triodes to provide balanced, low impedance drive to the push-pull output stage.

  • Page 6: Installation

    The front panel of the MV100 will fit in a standard 19" equipment rack and is designed to carry t he weight of the unit so that it may be rack mounted. Again, it is important that adequate clearance be provided above so that ventilation is not impeded.
  • Page 7 CONNECTION INPUT: Connect the preamplifier to your MV100 amplifier at the RCA type connections located on the back of the amplifier. OUTPUT: Terminal strips are provided for connection of your loudspeakers. They will accept bare wire or spade lug connectors.
  • Page 8 Proper set-up is important in any high-fidelity system, but with state-of-the-art components it is essential. Before attempting to evaluate the MV100, be sure that your phono system has been set up carefully according to manufacturer recommendations. Adjustment of the cartridge vertical tracking angle can be especially critical with modern stylus configurations.
  • Page 9 Consult your conrad- johnson dealer for recommendations for your specific system. QUESTIONS? If you have any questions about the installation or function of your MV100 do not hesitate to call Customer Service at (703) 698- 8581. MV100 Owner’s Manual...

  • Page 10: Tube Replacements

    TUBE REPLACEMENTS The MV100 uses twelve vacuum tubes of three different types: two 5751 (V1 and V2), two 6FQ7 (V3 and V4) and eight EL34s (V5 through V12). Each type has been carefully chosen for its circuit application. It is well known that tubes of a given type vary sonically depending on the manufacturer. We have chosen the brands of tubes that we supply based on extensive auditioning of available brands.
  • Page 11 Tube Locations: TUBE COMPLEMENT: FUSE COMPLEMENT: V1, V2 5751 Line Fuse: 3AG 10amp slo-blo (for 120Vline) V3, V4 6FQ7/6CG7 Plate Fuses: BUSS BBS-2 V5-V12 EL34 MV100 Owner’s Manual...
  • Page 12 DIFFERENT TYPE OR RATING THAN THAT SUPPLIED BY THE FACTORY. PLATE FUSE: Your MV100 has been fitted with plate supply fuses which are designed to protect the amplifier circuitry in the event of output tube failure. The fuse holders are physically located near the speaker connectors.

  • Page 13: Specifications

    Small Siganal Distortion: Less than .05% at midband Phase: Phase correct (non-inverting) Frequency response: 20Hz to 20KHz +0, -.5dB Hum and noise: 96dB below full power output. Input impedance: 100K ohms. Dimensions: 20.5D x 19W x 9H inches. Weight: 80 lbs. MV100 Owner’s Manual...
  • Page 14 If you do not have the original packing material, replacements are available from conrad-johnson design at a nominal charge. If the unit is under warranty, be sure to enclose a copy of your receipt as proof of purchase.