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Viola Systems Symphony Owner's Manual

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SYMPHONY POWER AMPLIFIER
OWNER'S MANUAL
-------------------------------------------------------------------------------
© Viola Audio La boratories 2004, 2005
The information contained in the manual is subject to change without notice. The
most current version of this manual will be posted on our web site at
www.Viola labs.com.
P/N: 91-symphonymanual
Revision: 01

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Summary of Contents for Viola Systems Symphony

  • Page 1 SYMPHONY POWER AMPLIFIER OWNER’S MANUAL ------------------------------------------------------------------------------- © Viola Audio La boratories 2004, 2005 The information contained in the manual is subject to change without notice. The most current version of this manual will be posted on our web site at www.Viola labs.com.

  • Page 2: Table Of Contents

    Single Speaker Cable Connection Bi-Wire Connection Bridge Connection Bi-amplification AC Power Cable Connection Switching on for the First Time Breaking In Care and Cleaning Fuses Troubleshooting Warranty Service Contacting VIOLA Specifications 2 of 15 Viola Symphony Manual Rev 1 September 2005...

  • Page 3: Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS Please read all of the following instructions carefully before operating your power amplifier. The VIOLA Symphony weighs approximately 120lbs (54kg). NEVE R try to move it on your own. Always use two people to move or unpack the unit.

  • Page 4: Introduction

    TRODUCTION Thank you for choosing the VIOLA Symphony Amplifier. Great care has gone into the design and manufacture of the Symphony and if properly used, it will give a lifetime of musical enjoyment. We strongly recommend that you read these instructions before you attempt to use the unit, so that you can be sure it is set up to give optimum performance.

  • Page 5: Location

    XLR CONNECTOR PIN ASSIGNMENT The Symphony is fitted with XLR and Fischer type balanced inputs. The pin assignments of the Symphony’s XLR input conforms to the AES 14 standard, which is now commonly used throughout the audio industry. These assignments are shown...

  • Page 6: Speaker Cable Connection

    ALWAYS switch the amplifie r off before connecting or disconnecting signal or speaker cables. CABLES AND CONNECTORS To realize the full potential of the Symphony, we recommend the use of a high- quality speaker cable such as the VIOLA Jazz cable. Please consult your VIOLA dealer for details.

  • Page 7: Bi-Wire Connection

    Starting with the left channel, connect lower red binding post on the rear of the Symphony to the input terminal marked + , or colored red on the left speaker’s LF input. Connect the lower black binding p ost on the rear of the Symphony to the input terminal marked -, or colored black on the left speaker’s LF input.

  • Page 8: Bridge Connection

    BRIDGE CONNECTION The two channels of the Symphony may be connected in what is called “Bridge Connection” to form a mono amplifier that can deliver approximately 4 times the output power of the individual channels. This allows the Symphony to be converted from a stereo power amplifier that can deliver 200W per channel into 8 ohms, into a mono power amplifier that can deliver 800W into 8 ohms.

  • Page 9: Bi-Amplification

    XLR input connector on the left channel. Connect right channel upper or lower red binding post on the rear of the Symphony (which ever is convenient) to the input terminal marked + , or colored red on the speaker.

  • Page 10: Ac Power Cable Connection

    AC POWER CABLE CONNECTION If the wall outlet you plan to use for the Symphony has an on/off switch, check that it is switched off. Insert the supplied AC mains cord into the receptacle on the rear of the Symphony and ensure that it is pushed securely home.

  • Page 11: Care And Cleaning

    If the fuses blow again, switch the unit off immediately, disconnect it from the mains supply and get in touch with your VIOLA dealer, national VIOLA distributor or VIOLA directly for technical support. Contact details for VIOLA are given in the GETTING IN TOUCH section of this manual.

  • Page 12: Troubleshooting

    TROUBLE SHOOTING Most problems may be resolved by following the steps below. If these fail, please contact your VIOLA dealer, national VIOLA distributor or VIOLA directly. No sound and the front panel LED is not lit? Press the front panel power switch to confirm that the unit is not switched off.

  • Page 13: Warranty

    WARRANTY VIOLA Audio Labs products are warranted to be free from defects if used under normal conditions for a period of 5 years from the date of shipment from the factory. This warranty is transferable to subsequent owners.

  • Page 14: Service

    VIOLA will not pay freight costs if units are returned without a RA number, or if no fault is found. Customers are responsible for all freight charges for units returned for non-warranty repairs.

  • Page 15: Specifications

    Packed: 127 lbs. (57 kg) Dimensions: Height including feet: 8 5/8”. (21.9cm) Width: 17 5/8”. (44.8cm) Depth including binding posts: 19”. (48.3c m Specifications are subject to change without notice. 15 of 15 Viola Symphony Manual Rev 1 September 2005...

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