LUMINOUS AUDIO TECHNOLOGY Arion User Manual

Phono preamplifier

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UMINOUS

RION

HONO

REAMPLIFIER

UDIO

ECHNOLOGY

Table of Contents

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Summary of Contents for LUMINOUS AUDIO TECHNOLOGY Arion

Page 1 UMINOUS RION HONO REAMPLIFIER UDIO ECHNOLOGY...
Page 2 | Operating Manual |...
Page 3: Table Of Contents
Table of Contents Important Safety Instructions ........................3 Introduction ..............................4 Operation Overview ........................... 5 Single-ended versus Balanced Design ....................9 Circuit Design Overview ..........................9 Let’s play music! ............................11 Warranty Information ..........................13 Specifications ............................14...
Page 4: Important Safety Instructions
Important Safety Instructions The listing below is intended to alert the user to important operating and maintenance instructions. Please adhere to them. TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER. NO USER- SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. 1.
Page 5: Introduction
Arion. It will allow your music to capture all spectrums of detail from your recordings, seizing and holding your emotional involvement. You...
Page 6: Operation Overview
Operation Overview Muting Circuitry: The Arion includes an active muting circuit. Its two-fold function is to mute the output during turn-on and to provide a means to manually mute the preamp output in normal use. Electrically the muting circuit places a high impedance load on the output while shorting the output signal to the interconnect cables to ground.
Page 7 MM/MC Gain Settings: The front panel MM/MC pushbutton switch toggles the Arion input stage between the necessary MM/MC gain. Sub-miniature small-signal latching relays are used in this application, which allows us to incorporate the relays seamlessly into the layout of the gain stage without any noise or loop size penalty.
Page 8 The output impedance of the Arion is 5 ohms, providing minimal interaction with a wide range of interconnect cable loads. Although it will work fine, we do not recommended using twisted pair style interconnects that do not include a shield.
Page 9 When supplying power to the Arion we also find it is best to use the same AC supply as the preamp. This helps to control the signal reference’s quality and minimize extended circuit loops back through the supplies, power feeds and grounds.
Page 10: Single-Ended Versus Balanced Design
Single-ended versus Balanced Design The Arion is a single-ended rather than a balanced design. The signal provided by the cartridge is not balanced; a pseudo ground must be created to reference the cartridge output to, creating a positive and negative signal. The preamp must then equalize and amplify the signal through two identical pre-amplifier and equalization circuits to provide a balanced output.
Page 11 The Arion’s circuitry benefits from operating in one of the fastest and most quiet operating environments possible, which allows incredible speed and resolution. The operating points of the active devices have been fine tuned for their “sweet spots“, much like the voicing...
Page 12: Let's Play Music
Signal path connections are made with silver solder. The Arion is proudly designed and made in America. The Arion PC board has been designed to float in the vertical plane, so as not to transmit transformer vibration to the bottom plate. This unique PC board isolation is achieved via unique synthetic rubber O-rings with a thin membrane between two stable layers.
Page 13 Use input and output cables long enough to leave some slack in them for moving the preamp to check or change connections.  Place the Arion where you can route input and output cables to avoid running parallel with any AC cords. Ventilation: ...
Page 14: Warranty Information
Warranty Information Your Arion phono preamp was designed to give you many years of musical enjoyment. Whether you’re having difficulty or just a question, please call us at (804) 467-7900. Luminous Audio Technology warrants this unit against defects in materials and/or workmanship for five (5) years from the date of purchase by the original retail purchaser.
Page 15: Specifications
3 = Negative (return) AC power requirement 115 or 230 VAC 50-60 Hz Dimensions Width: 17.25” Depth: 13” Height, 3.50” with feet Weight 20 lbs ( 9.07 Kg) Shipping weight 26 lbs (11.79 Kg) © Luminous Audio Technology 2015 [14]...