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Summary of Contents for Symetrix 304
- Page 1 304 Headphone Amplifier...
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Page 2: Table Of Contents
Symetrix part number 53304-0A00 Subject to change 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
2-conductor 1/4" plugs are inserted. proprietary high voltage drive technology The outputs are 1/4" stereo connectors. gives the 304 the ability to drive high imped- Do you hate reading manuals? Chapter 3 of ance headphones with the equivalent output this manual was written just for you. -
Page 4: Chapter 2 Operator Safety Summary
In-line power supply - This product receives enclosure that may be of sufficient magnitude its operating power from the Symetrix PS-3 or to constitute a risk of electric shock to persons. PS-3E power supply. This is the only power The exclamation point within an equilateral supply approved for use with the product. -
Page 5: Chapter 3 Fast Setup
MONO Wiring To install the 304: 1. Plug the PS-3 power supply's DIN connector into the 304. Plug the PS-3 into a suitable source of AC power. Refer to the labelling on the PS-3 to determine what is suitable. 2. Connect your source to the 304's tip-ring-sleeve input jacks. The inputs are balanced. -
Page 6: Chapter 4 Front & Rear Panel Overview
TRS jack connected in parallel with I A jack. Use this jack to NPUT connect to other 304's or other audio equipment. It s a built-in "Y" cord. TRS jack connected in parallel with I B jack. Use this jack to NPUT connect to other 304's or other audio equipment. -
Page 7: Chapter 5 Using The 304
You won t hurt anything.) Maximum Amplifier Load The minimum operating impedance, or maximum load, for each output of the 304 is 8 ohms. Use as many pairs of headphones as desired, as long as the total combined impedance (per output) does not fall below 8 ohms. -
Page 8: Chapter 6 Applications
Applications Chapter 6 The 304 can be used in the following applications. Please note that this list is far from comprehensive and your imagination may create new uses that we haven t listed here. PROJECT STUDIO Let the 304 expand your mixer s headphone capacity. You can drive it via a tip-ring-sleeve to dual tip-sleeve cable from your mixer's headphone jack, or from one or two of your mixer's aux sends. -
Page 9: Chapter 7 Block Diagram
Chapter 7 Block Diagram... -
Page 10: Chapter 8 Troubleshooting
(+4dBu is nominal). Make sure that the signal you are feeding to the 304 is a line level signal, not mic level. Make sure that all systems components are on the same AC ground. Check gain settings on upstream equipment. -
Page 11: Chapter 9 Specifications
Outputs shall be suitable for driving head- 207 to 253V AC, 50 Hz where applicable. phones in the range of 8 ohms to 2000 ohms. The unit shall be a Symetrix, Inc. model 304 The output source impedance shall be 100 Headphone Amplifier. -
Page 12: Chapter 10 Warranty And Service
Symetrix’s warranty obligation and limited to repairing or replacing, at buyer’s remedies hereunder are SOLELY Symetrix’s option, the part or parts of the and exclusively as stated herein. product which prove defective in material or This Symetrix product is designed and... - Page 13 Servicing the 304 If you have determined that your 304 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 15: Chapter 11 Declaration Of Conformity
The authorized representative located within the European Community is: World Marketing Associates P.O. Box 100 St. Austell, Cornwall, PL26 6YU, U.K. Date of issue: October 31, 1998 Place of issue:Mountlake Terrace, Washington, USA Authorized signature: Dane Butcher, President, Symetrix Incorporated. - Page 18 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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