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581E Distribution Amplifier

User

’s

 Guide

581E

Summary of Contents for 581E

Page 1: ...581E Distribution Amplifier User s Guide 581E...

Page 2: ...liablefor technicaloreditorialerrorsoromissionscontained herein norisitliableforincidentalorconsequential damagesresultingfromthefurnishing performance oruseofthismaterial Mentionofthird partyproducts...

Page 3: ...TPUT 4A 10 0 INPUT 4 OUTPUT 3D 10 OUTPUT 3B CLIP INPUT 3 10 0 OUTPUT 3A 10 OUTPUT 3C CHANNEL 4 OUTPUT 4B CHANNEL 2 OUTPUT 2D OUTPUT 2C OUTPUT 2B OUTPUT 2A 0 INPUT 2 OUTPUT 1C OUTPUT 1D 10 10 CLIP CLIP...

Page 4: ...en either power supply conductor and ground A protective ground connection by way of the grounding conductor in the power cord is essential for safe opera tion Grounding The chassis of this product is...

Page 5: ...power cord provided with the unit Caution Failure to connect the 581E to the proper AC mains voltage may cause fire and or internal damage Warning Lethal voltages are present inside the chassis There...

Page 6: ...of a 10 consumer level device such as a CD player for example turn the INPUT level control clockwise to boost the signal Conversely if you re feeding a 8 broadcast level signal to the 581E then turn...

Page 7: ...PUT terminal of the 581E Use the red wire 2 Connect the incoming signal ground to the INPUT terminal of the 581E Use the blackwire 3 Connect the cable shield at the ground connection of the 581E only...

Page 8: ...ch box The 581E follows the AES standards for balanced audio circuits The ground connections of the amplifier are chassis ground If you must connect the output of the 581E directly to an unbalanced in...

Page 9: ...his does not predispose them to only this usage After all 1 4 inch jacks are sometimes used for loudspeakers which are anything but high impedance Therefore the presence of 3 pin XLR connectors should...

Page 10: ...or 18 dBm into 600 ohm unbalanced loads Input and Output Connections The illustration on the next page shows how to connect the 581E to balanced and unbalanced sources and loads To operate the 581E fr...

Page 11: ...und Wire Shield Not Connected Channel Input Shielded Cable Two Conductor Shielded Cable 1 2 3 When Using CIRCUIT Ground When Using CIRCUIT Ground When Using CIRCUIT Ground When Using CIRCUIT Ground Ch...

Page 12: ...Chart CHANNEL 4 CHANNEL 3 CHANNEL 1 CHANNEL 2 Display Input LED Channel 1 CLIP 10 0 10 Level Output 1A Level Output 1B Level Output 1C Output 1D Level 1A OUT 1B OUT 1C OUT 1D OUT Channel 1 Input Leve...

Page 13: ...same AC ground Distortion Check the level of the input signal on the 581E s LED display s Is the CLIP light on all the time If so reduce the incoming signal level by turning the INPUT level countercl...

Page 14: ...h channel shall be a four LED array for the indication of the signal levels applied to the output drive circuits The LED s shall be labelled CLIP 10 0 and 10 correspond ing to internal signal levels o...

Page 15: ...t Symetrix and secure a ReturnAuthorizationNumberthatshallbeincluded with the returned Product This will facilitate our efforts to keep track of your Product and process your warranty repair as quickl...

Page 16: ...the USA then proceed as follows In WarrantyRepairs Repairs made in warranty will cost you only one way freight charges We ll prepay the return surface freight Of course if the repair is due to operato...

Page 17: ...ral use EN 50081 1 Electromagnetic compatibility Generic emission standard Part 1 Residential commercial and light industry EN 50082 1 Electromagnetic compatibility Generic immunity standard Part 1 Re...

Page 18: ...581E 16 Symetrix Inc 14926 35th Ave West Lynnwood WA 98037 2303 USA Tel 425 787 3222 Fax 425 787 3211 Website http www symetrixaudio com Email symetrix symetrixaudio com...

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