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Thank you for selecting the PV10A as the control center for your audio
system. The PV10A draws on two decades of research at conrad-
johnson into the reproduction of recorded music. The result is a line-
stage preamplifier with a remarkable ability to recreate the the
dynamics, textures, tonalities, and ambience of live musical perform-
ances. With the PV10A, we believe that you will experience the excite-
ment of discovery in hearing more from your favorite recordings than
ever before.
At conrad-johnson, we expect our products to be a source of satisfaction
and of pride to their owners for many years to come. Accordingly, circuit
designs, parts and materials for all conrad- johnson products are se-
lected with a view to maintaining optimal performance over the years.
Our reputation for producing among the industry's most reliable compo-
nents is a natural consequence of this engineering approach.
Although the PV10A has been designed to operate in an intuitively
apparent way, you will find useful information on it's installation and
operation in this manual. Please take a few minutes to read the manual
to better understand the features and capabilities of your PV10A. Note
that the line-stage section of this unit is phase inverting. See the section
entitled "Getting The Most From Your PV10A" for details on correct
hookup in your system.
In closing, we'd like to welcome you to the family of conrad-johnson
owners. We want you to enjoy your conrad-johnson product to the
fullest. To this end, our staff stands ready to answer any questions you
may have about the function and application of your PV10A, and to
provide any needed service both during, and after the warranty period.
Our goal is to heighten your enjoyment of recorded music.
PV10A Owner's Manual
1

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Summary of Contents for Conrad-Johnson PV10A

  • Page 1 Thank you for selecting the PV10A as the control center for your audio system. The PV10A draws on two decades of research at conrad- johnson into the reproduction of recorded music. The result is a line- stage preamplifier with a remarkable ability to recreate the the dynamics, textures, tonalities, and ambience of live musical perform- ances.
  • Page 2 Units which have been modified, altered, or improperly repaired by anyone not specifically authorized by conrad-johnson design, inc. c) Units not purchased from an authorized conrad-johnson dealer in the United States for use in the United States. d) Normal wear.
  • Page 3 The Service Department can also be reached by phone at 703-698- 8581, or by fax at 703-560-5360 Service If your conrad-johnson audio component requires service, repack it using the original box and packing material and ship to the Service Department address above. Boxes and packing materials can be ob- tained from our service department for a nominal charge, if you no longer have yours.
  • Page 4 The PV10A dissipates up to 35 watts of heat, and must be adequately ventilated. Mount the unit horizontally on a flat, hard surface, and take care that the ventilation holes in the bottom are unobstructed. Allow at least two inches of clearance above the unit and keep the cabinet or shelf open at the back.
  • Page 5 10k ohms or higher. Since the PV10A inverts phase, it may be necessary to invert the speaker leads to maintain correct phase. See the section on "Getting the most out of your PV10A" for an explanation of this.
  • Page 6 DEVICES: Connect the output from your processor to the TAPE IN input, and the input of your processor to the TAPE OUT output on the PV10A. The TAPE MON position of the SOURCE/TAPE MON button will insert the processor into the circuit; the SOURCE position will provide flat, unprocessed response.
  • Page 7 AUX1/PHONO, TUNER, CD, VIDEO or AUX2. inputs. LEVEL: The PV10A volume control is a precise control, maintaining channel to channel accuracy to within 1 dB throughout most of its rotation.
  • Page 8 Tube Replacement The audio circuit of the PV10A uses five vacuum tubes of three different types: two 12AX7 (V1 and V2), one 12AT7 (V3) and two 12AU7 (V4 and V5). The PV10AL uses two type 12AU7 (V4 and V5). The brands of...
  • Page 9 This will be the case if the number of phase inversions is even (or zero). The line stage of the PV10A is phase inverting. If your system has an odd number of inversions, (for example, if the PV10A is the only phase inverting unit in the chain) then you must add one phase inversion.
  • Page 10 The warm up period can be expected to last about fifteen minutes. Questions: If you have questions about the installation or function of your PV10A do not hesitate to call Customer Service at (703) 698-8581. PV10A Owner’s Manual...
  • Page 11 Weight: 12 lbs. Fuse The power transformer of the PV10A is protected by a fuse on the ac power line (mains). A failure of this fuses is a symptom of a more serious problem, and a competent service technician should be consulted. The fuse is located on the printed circuit board, near the transformer.

This manual is also suitable for:

Pv10al