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Summary of Contents for Symetrix 303
- Page 1 303 Interface Amplifier (Bi-directional)
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Page 2: Table Of Contents
Subject to change at our whim and fancy without notice. ©1998, Symetrix, Inc. All right reserved. Symetrix is a registered trademark of Symetrix, Inc. Mention of third-party products is for informational purposes only and constitutes neither an endorsement nor a recommendation. Symetrix assumes no responsibility with regard to the performance or use of these products. -
Page 3: Chapter 1 Introduction
Symetrix 303 s external power supply, which -10dBV). This means that, in each direction, the eliminates the possibility of power supply noise 303 may be used as a stereo interface amplifier, or developing in the 303's circuitry. as two mono interface amplifiers. All inputs and... -
Page 4: Chapter 2 Operator Safety Summary
In-line power supply - This product receives its enclosure that may be of sufficient magnitude operating power from the Symetrix PS-3 or PS-3E to constitute a risk of electric shock to per- power supply. This is the only power supply sons. -
Page 5: Chapter 3 Fast Setup
Chapter 3 Fast First-Time Setup Follow these instructions to get your 303 up-and-running as quickly as possible. The intent of this section is fast setup. Refer to later chapters for explanation of the 303's connections and applications. 1. Connect the 7-pin connector end of the 303's external power supply cable to the 7-pin power receptacle on the rear of the Symetrix 303. -
Page 6: Chapter 4 Front & Rear Panel Overview
BALANCED TO These are the input and output jacks for the 303's balanced +4dBu to -10dBV UNBALANCED: conversion/level-matching circuitry. -
Page 7: Chapter 5 Tutorial
The Symetrix 303, inserted in the signal path between consumer and professional audio devices, accomplishes both of these functions, maintaining the integrity of the signal as it passes between the two types of audio equipment. -
Page 8: Chapter 6 Applications
Chapter 6 Connecting the Output of a Computer Audio Card to +4dBu Gear The diagram below shows how the 303 should be connected in-line between the audio card's -10dBV, unbalanced output and the input of a +4dBu, balanced device. UNBALANCED TO BALANCED BALANCED TO UNBALANCED MANUFACTURED BY SYMETRIX INC. -
Page 9: Chapter 7 Troubleshooting
303 at the appropriate nominal level. Check gain settings on downstream equipment. The system gain structure should be such that the 303 operates at or near unity gain. Is the input signal already noisy? No Power LED... -
Page 10: Chapter 8 Specifications
Output Impedance 200 Ohms Balanced, 100 Ohms Unbalanced Performance Data: +4dBu to -10dBV Circuit In the interest of continuous product improvement, Symetrix, Inc. Frequency Response 10 Hz to 30 kHz, +0, -1dB reserves the right to alter, change, or modify these specifications THD+Noise <.005% at +8dBV... -
Page 11: Chapter 9 Warranty And Service
SOLELY and exclusively as limited to repairing or replacing, at Symetrix's option, the part or parts of the stated herein. product which prove defective in material or This Symetrix product is designed and... - Page 12 Servicing the 303 If you have determined that your 303 requires repair services and you live outside of the United States, please contact your local Symetrix dealer or distributor for instructions on how to obtain service. If you reside in the U.S. then proceed as follows: Before sending anything to Symetrix, contact our Customer Service Department for a return authorization (RA) number.
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Page 13: Chapter 10 Declaration Of Conformity
Declaration of Conformity We, Symetrix Incorporated, 6408 216th St. SW, Mountlake Terrace, Washington, USA, declare under our sole responsibility that the product: 303 Interface Amplifier (Bi-directional) to which this declaration relates, is in conformity with the following standards: EN 60065 Safety requirements for mains operated electronic and related apparatus for household and similar general use. - Page 16 Symetrix, Inc. 6408 216th St. SW Mountlake Terrace, WA, 98043 Tel: (425) 778-7728 Fax: (425) 778-7727 Website: http://www.symetrixaudio.com Email: symetrix@symetrixaudio.com...
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