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Ayre K-5x
Owner’s Manual
A y r e
K-5x
Preamplifier
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Table of Contents Welcome to Ayre . . . . . . . . . . . . . . . . . . . . . . . 2 Connections and Installation . . . . . . . . . . . . . . . . . . . . 3 Controls and Operation. . . . . . . . . . . . . . . . . . . . . 6 Numbers and Specifications . . . . . . . . . . . . . . . . . . 11 Statement of Warranty . . . . . . . . . . . . . . . . . . . . 12 A Place for Notes . . . . . . . . . . . .
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Welcome to Ayre Please send in your warranty Your Ayre K-5x offers a significant advance in the registration card so we can musical performance of high-fidelity equipment. stay in contact with you. The warmth and immediacy of a live performance are apparent from the first listening. The combination of superb resolution and a natural, relaxed quality will draw you into the music, time and time again. This level of performance has been implemented using the highest level of workmanship and materia
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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 A good location for your preamplifier is in an remote transmitter will also open-backed cabinet or on a shelf. The receiver for travel through glass. the infrared remote control is mounted behind the display lens on the front panel. A direct line of sight from the listening position will ensure the maximum
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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 than4VRMS unbalanced, or 8 V RMS balanced. Using a source component with too great an output level will cause distortion. The input connectors on the In this modern era of diverse source components, it rear panel ar
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A y r e S.N. Boulder, Colorado USA K-5 Stereo Preamplifier Right Channel B1 B2 Left Channel B2 B1 Outputs Outputs Volts Tape Tape 50/60 Hertz S1 S2 Out Out S2 S1 10 W Max This will prevent the undesired possibility of creating a feedback loop when making a recording. Main Outputs The balanced outputs use The Ayre K-5x offers one pair of balanced outputs XLR connectors, while the and one pair of unbalanced outputs. Both pairs of unbalanced outputs use RCA outputs may be used simultaneously. H
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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 command, and then immediately returns to “sleep” mode. This system ensures noise-free reproduction of music signals. Volume Control The volume level is changed Th
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A y r e K-5x 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 The input selector buttons are located below the be selected with the remote display. Icons that match the connector labels on the control. rear panel (Star, Planet, Comet, Moon) are used to denote the inputs. When the unit is first connected to an AC power source, the “Star” input is selected by default. Th
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Mute Muting and un-muting may The mute button provides an easy way to also be performed with the temporarily turn the volume of the K-5x to “zero”. remote control. The current volume control setting is retained in memory and appears on the display. Tape Output The “Tape Output” function When the “Tape Output” button is pressed, the does not operate on the “Moon” indicator will light up and the signal from the input. This avoids the currently selected source component will be routed undesired pos
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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 the theater system to integrate with the K-5x with the touch of a single button. If you are using a surround-sound processor, connect the front left and rig
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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 “PP” to show that the “Processor Pass-Through” mode has been selected for that input. To clear the “Processor Pass-Through” mode from an input and restore
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Numbers and Specifications Maximum Input Level 4 V RMS – unbalanced inputs 8 V RMS – balanced inputs Input Impedance 20 kΩ – unbalanced inputs 40 kΩ – balanced inputs (20 kΩ 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 – balanced outputs Frequency Response DC – 200 kHz Output Impedance 55 Ω – unbalanced outputs 110 Ω – balanced outputs (55 Ω per phase) Power Consumption 10 watts Dimensions
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Statement of Warranty Please take a moment to fill Your Ayre K-5x preamplifier is warranted against out and return the enclosed defects in workmanship and materials for a period of warranty registration card. five years from the date of purchase. This warranty is transferable to subsequent purchasers within the original five-year period. All warranty claims must be made through an authorized Ayre dealer or distributor. Warranty Statement 1. Ayre Acoustics, Inc. (Ayre) warrants the materials and
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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 a warranty claim is accepted will be returned to the purchaser and the cost of shipping and insurance will be factory prepaid within the boundaries of t
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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 within 30 days of purchase. Ayre may, at its option, require from the purchaser valid proof of purchase (dated copy or photocopy of dealer's original i
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A Place for Notes 15
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Ayre Acoustics, Inc. 2300-B Central Avenue Boulder, Colorado 80301 www.ayre.com +1-303-442-7300
