Audio Research REFERENCE 160S User Manual Download Page 2

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REF 160M Manual.indd 2

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Summary of Contents for REFERENCE 160S

Page 1: ...REFERENCE 160S User s Manual...

Page 2: ...Customers Come First Quality Every Day Advancing Our Legacy Commitment to Excellence...

Page 3: ...uct supportcreateunprecedentedvalue An Audio Research component is more than a purchase it s an investment We understand you are eager to begin listening however please take a few minutes to read thro...

Page 4: ...ith dry cloth 7 Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers 9 Do not defeat...

Page 5: ...ot operate normally or has been dropped 15 WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE 16 DO NOT EXPOSE THIS APPARATUS TO DRIPPING OR SPLASHIN...

Page 6: ...10 Connections 11 Back Panel Connections 11 Input Connectors 11 Output Connectors 11 Matching 12 Loudspeaker Cable Distance 12 Remote Turn on 13 RS 232 Control 13 A C Power Connection 13 Operation 14...

Page 7: ...nd rating as speci ed at the fuse holder The power button on the front of this unit when o does not disconnect all power from this unit This unit is in sleep mode when not on This unit is RoHS complia...

Page 8: ...operating the Reference 160S Your Reference 160S ampli er is shipped with the vacuum tubes packed in foam blocks These must be unpacked and installed before you attempt to operate the ampli er Includ...

Page 9: ...onnected from the ampli er before replacement or installation of vacuum tubes 7 To remove the cage Illustration 1 Illustration 2 Important 1 Use the supplied 7 64 hex driver to remove the 3 cap screws...

Page 10: ...ted on the top plate See illustration 2 2 Slowly slide the cage forward until the two locating screws engage with the cap screws behind the front panel See illustration 4 When the cage rear ange is us...

Page 11: ...rmly seat tube in its matching socket taking care to align the key at the base of each KT150 to its socket hole The 6H30 tubes V9 V12 are not keyed and care must be taken to align the pins to the sock...

Page 12: ...ntilation requirements to make certain that adequate air ow above to each side and to the rear is provided The ambient operating temperature should never exceed 86 F 30 C Improper installation will ca...

Page 13: ...fasten the speaker lead to the appropriate black terminal then the lead to the matching red terminal It is important sonically that your entire system be connected so that the audio signal arriving at...

Page 14: ...Research cannot emphasize this enough As better components and systems are developed it becomes increasingly important to avoid the limitations of inferior system interconnections It is important to u...

Page 15: ...r equipment Only use the power switch on the front of the Reference 160S for On O control of the ampli er or the 12V start up trigger or RS 232 for remote installations The AC power source for the Ref...

Page 16: ...tralinear Triode Mode equipment to minimize system hum Generally the lowest hum is achieved when the only direct connection between audio common ground and true earth ground occurs in the preampli er...

Page 17: ...160S is turned on before other components the ampli er will amplify any extraneous turn on noises those components might generate which could potentially damage loudspeakers Good practice dictates th...

Page 18: ...ction for a more detailed description of this function High Low Fan Speed Allows adjusting fan speed to either low or high speed setting Balanced Single Ended Select balanced switch position for balan...

Page 19: ...ube in the Reference 160S providing the highest power and best sound possible in this ampli er design Audio Research has tested the Reference 160S with KT120 KT88 and 6550WE output tubes The Reference...

Page 20: ...Reference 160S uses two bottom cover mounted ultra quiet fans for forced air cooling of internal components Over time depending upon the environment in which the Reference 160s is installed dust will...

Page 21: ...by them The speci c terms and remedies for ful llment of the Limited Warranty may vary from country to country Warranty service should normally be obtained from the importing retailer or distributor...

Page 22: ...gle Ended OUTPUT POLARITY Non inverting Balanced input pin 2 IEC 268 OUTPUT TAPS 16 ohms 8 ohms 4 ohms OUTPUT REGULATION Approximately 0 6dB 16 OHM LOAD TO OPEN CIRCUIT Damping factor approximately 14...

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Page 24: ...Corporation Reproduction of this document in part or whole is expressly forbidden without written consent from Audio Research Corporation 6655 Wedgwood Road North Maple Grove MN 55311 www audioresearc...