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Ayre Acoustics K-5x manual

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Table of contents for the manual

  • Page 1

    Ayre K-5x Owner’s Manual Preamplifier A y r e K-5x[...]

  • Page 2

    [...]

  • Page 3

    Table of Contents Welcome to Ayre . . . . . . . . . . . . . . . . . . . . . . . 2 Connections and Installation . . . . . . . . . . . . . . . . . . . . 3 Controls and Operation . . . . . . . . . . . . . . . . . . . . . 6 Numbers and Specifications . . . . . . . . . . . . . . . . . . 11 Statement of Warranty . . . . . . . . . . . . . . . . . . . . 12[...]

  • Page 4

    Welcome to Ayre Please send in your warranty registration card so we can stay in contact with you. Your Ayre K-5x offers a significant advance in the musical performance of high-fidelity equipment. The warmth and immediacy of a live performance are apparent from the first listening. The combination of superb resolution and a natural, relaxed qualit[...]

  • Page 5

    Connections and Installation The Ayre K-5x preamplifier is easy to hook up and use. The following guidelines will ensure that the installation goes smoothly. Location The infrared beam of the remote transmitter will also travel through glass. A good location for your preamplifier is in an open-backed cabinet or on a shelf. The receiver for the infr[...]

  • Page 6

    The FET switches used in the input selector circuitry offer transparent, noise-free switching, with no moving parts. Please be aware that they can be overloaded if the output voltage from the source component is too high. Do not use a source component that has an output level greater tha n4VR M S unbalanced, or 8 V RMS balanced. Using a source comp[...]

  • Page 7

    This will prevent the undesired possibility of creating a feedback loop when making a recording. Main Outputs The balanced outputs use XLR connectors, while the unbalanced outputs use RCA connectors. The Ayre K-5x offers one pair of balanced outputs and one pair of unbalanced outputs. Both pairs of outputs may be used simultaneously. However, pleas[...]

  • Page 8

    Controls and Operation At the heart of the Ayre K-5x’s control system is a sophisticated microprocessor. This microprocessor is normally “asleep” and all digital systems are turned off, including the master clock. When the microprocessor receives a command, either from the front panel or the remote control, it “wakes up” to execute the co[...]

  • Page 9

    low setting. After that, the current volume setting is retained in memory, and will remain constant when changing inputs. Input Source Selection The source component may also be selected with the remote control. The input selector buttons are located below the display. Icons that match the connector labels on the rear panel (Star, Planet, Comet, Mo[...]

  • Page 10

    Mute Muting and un-muting may also be performed with the remote control. The mute button provides an easy way to temporarily turn the volume of the K-5x to “zero”. The current volume control setting is retained in memory and appears on the display. Tape Output The “Tape Output” function does not operate on the “Moon” input. This avoids [...]

  • Page 11

    Processor Pass-Through When using the Ayre K-5x in a surround-sound system for home theater, it is desirable to use the “Processor Pass-Through” mode. This mode allows your two-channel music sources to be routed directly through the K-5x, avoiding the sonic degradation of most processors, and at the same time allows the front two channels of th[...]

  • Page 12

    The chosen input is now programmed for “Processor Pass-Through” operation, disabling the now redundant volume control of the K-5x. When that input is selected, the preamplifier section of the K-5x is set to unity gain (0 dB), and the volume is controlled directly from the surround-sound processor. The volume indicator of the K-5x will display ?[...]

  • Page 13

    Numbers and Specifications Maximum Input Level 4 V RMS – unbalanced inputs 8 V RMS – balanced inputs Input Impedance 20 k Ω – unbalanced inputs 40 k Ω – balanced inputs (20 k Ω per phase) XLR Input Polarity Pin 1 – Ground Pin 2 – Non-inverting (Positive) Pin 3 – Inverting (Negative) Maximum Gain 4 dB – unbalanced outputs 10 dB[...]

  • Page 14

    Statement of Warranty Please take a moment to fill out and return the enclosed warranty registration card. Your Ayre K-5x preamplifier is warranted against defects in workmanship and materials for a period of five years from the date of purchase. This warranty is transferable to subsequent purchasers within the original five-year period. All warran[...]

  • Page 15

    or to Ayre’s authorized agent. 3. Ayre reserves the right to inspect any product that is the subject of any warranty claim prior to repairing or replacing it. Final determination of warranty coverage lies solely with Ayre. Out-of-warranty claims will be billed for labor, materials, return freight, and insurance as required. Any product for which [...]

  • Page 16

    6. Ayre does not authorize any third party, including any dealer or sales representative to assume any liability of Ayre or make any warranty for Ayre. The unit must not have been altered or improperly serviced. The serial number on the unit must not have been altered or removed. 7. Warranty registration cards must be completed and mailed to Ayre w[...]

  • Page 17

    A Place for Notes 15[...]

  • Page 18

    16[...]

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    [...]

  • Page 20

    Ayre Acoustics, Inc. 2300-B Central Avenue Boulder, Colorado 80301 www.ayre.com +1-303-442-7300[...]