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3900 ANNAPOLIS LANE NORTH / PLYMOUTH, MINNESOTA 55447-5447 / PHONE: 763-577-9700  FAX: 763-577-0323

www.audioresearch.com

Model VS55

STEREO POWER AMPLIFIER

Owner’s Manual

Summary of Contents for VS115

Page 1: ...3900 ANNAPOLIS LANE NORTH PLYMOUTH MINNESOTA 55447 5447 PHONE 763 577 9700 FAX 763 577 0323 www audioresearch com Model VS55 STEREO POWER AMPLIFIER Owner s Manual...

Page 2: ...ccessories 1 Warnings 1 Preparation for Use 1 Panel Controls 1 Use of Controls 1 Installation 2 Connections 2 Remote Turn on Connections 3 Operating Procedure 3 Servicing 3 Output Tube Bias Adjustment...

Page 3: ...RIZONTAL POSITION DO NOT OPERATE WITH COVERS REMOVED UNIT CONTAINS VOLTAGES WHICH MAY BE HAZARDOUS MODEL VS55 STEREO AMPLIFIER VOLTS SERIAL PLYMOUTH MINNESOTA MADE IN U S A T4A 230V 330 WATTS MAX 50 6...

Page 4: ...This unit contains voltages which can cause serious injury or death Do not operate with covers removed Refer servicing to your authorized Audio Research dealer or other qualified personnel 4 The 14 g...

Page 5: ...ossible an impedance match between the amplifier and speaker for optimum transfer of power to the speaker with minimum distortion In the case of speaker systems with significant variations in impedanc...

Page 6: ...ards of manufacture your VS55 amplifier should normally require only minimal service to maintain its high level of perfor mance CAUTION The VS55 amplifier contains sufficient levels of voltage and cur...

Page 7: ...ty Such product must be returned at the purchaser s expense to the Audio Research factory along with a photocopy of the dated purchase receipt for the product a written descrip tion of the problem s e...

Page 8: ...Model VS115 5...

Page 9: ...e Audio Research Customer Service Department Outside the United States the authorized importing retailer or distributor has accepted the responsi bility for warranty of Audio Research products sold by...

Page 10: ...t occurs the original packaging may save your investment from unnecessary damage delay and expense Unpacking The VS115 is packed in a heavy duty carton with special foam inserts for maximum protection...

Page 11: ...is the custom of some audio philes to achieve maximum sonic performance on demand While this is often recommended for solid state equipment Audio Research does not recommend this procedure for vacuum...

Page 12: ...ct connection between audio common ground and true earth ground occurs in the preamplifier through its grounded power cord Other equipment in the system should have some form of isola tion to prevent...

Page 13: ...ch Cus tomer Service For best performance the 6550C output tubes should be matched pairs Additional questions regarding the operation maintenance or servicing of your amplifier may be referred to Audi...

Page 14: ...d accompanying the product in its shipping carton or may be obtained from the authorized retailer or from the Audio Research Customer Service Department Outside the United States the authorized import...

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