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Related Manuals for Audio Research REFERENCE 160S
Summary of Contents for Audio Research 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 Thank choosing Reference 160S to be a part of your high performance music listening system. After nearly 50 years, our focus remains the advancement of the state-of-the-art in music reproduction. Every component is meticulously hand-crafted and personally auditioned before it leaves our factory.
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Page 4: Safety Instructions
Safety Instructions Important Safety Instructions triangle, is intended to alert the user to the presence of uninsulated “Dangerous voltage” within the product’s enclosure that may be of The exclamation point within an equi-lateral triangle is intended to alert the user to the presence of important operating and maintenance (Servicing) instructions in the literature accompanying the product. - Page 5 13. Unplug this apparatus during lightning storms or when unused for long periods of time. has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
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Page 6: Table Of Contents
Cleaning ............18 Disposal and Recycling Guidelines ..... 18 Installation ...........6 Top view ............6 Warranty............. 19 Before operating the Reference 160S ...6 Tube cage removal and installation .....7 ..........20 Ventilation requirements ......10 In your system ..........10 A note about vacuum tube life expectancy ..10 Connections .......... -
Page 7: Warnings
This unit is RoHS compliant. A note about packaging... Save all packaging in a dry place away from fire hazard. Your Reference 160S amplifier is a precision electronic instrument and should be properly cartoned any time shipment is made. You may not have occasion to return your unit to the factory for service, but if that should prove necessary, or other occasion requiring shipment occurs, the original packaging will protect your Reference 160S from unnecessary damage or delay. -
Page 8: Installation
Vacuum Tubes Before operating the Reference 160S Your Reference 160S amplifier is shipped with the vacuum tubes packed in foam blocks. These must be unpacked and installed before you attempt to operate the amplifier. Included are eight matched KT150s and 4 matched 6H30s. Follow the procedure below to remove the top cage... -
Page 9: Tube Cage Removal And Installation
Tube cage removal and installation CAUTION: THIS STEP FOLLOWED BY USER IS ALLOWED ONLY ONCE FOR THE INITIAL INSTALLATION BEFORE POWERING UP THE PRODUCT FIRST. Important! The AC Power Supply Cord must be disconnected from the amplifier before replacement or installation of vacuum tubes. - Page 10 Illustration 3 To install the cage: 1. Gently place the cage on top of the chassis with the rear of the cage behind the rear handles. Ensure the sides of the cage are fully seated on the top plate. See illustration 2. 2.
- Page 11 (written on the base of the tube) to the ‘V’ number screened next to each socket on the top plate of the Reference 160S. Firmly seat tube in its matching socket, taking care to align the key at the base of each KT150 to its socket hole.
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Page 12: Ventilation Requirements
To ensure normal component life and safe carpet or a soft surface that might allow the Reference 160S to settle into the surface and operation, this unit should only be operated impede the airflow. -
Page 13: Connections
Terminals Input Connectors The Reference 160S uses a fully balanced circuit topology and has a pair of balanced XLR input connectors and a pair of single-ended RCA input connectors on the rear panel. The rear panel switch must be in the appropriate labeled position for either balanced or single-ended use. Connect your preamplifier’s output to the Reference 160S input connectors before turning on the amplifier. -
Page 14: Matching
Connect the Reference 160S input to the preamplifier or electronic crossover using only the highest grade of audio interconnect cables. -
Page 15: Remote Turn-On
Use a 3.5mm (.140”) diameter mini plug to connect to the +12V IN jack on the rear of the Reference 160S. The tip of the mini plug is +12V and the sleeve is ground. -
Page 16: Operation
Operation Front Panel Controls and Displays Power Meters Left and Right Power On/O Meter Light Tube Status Tube Status Tube Monitor Ultralinear/ 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 preamplifier, through its grounded power cord. -
Page 17: Start-Up
The LED will stay on brightly, once the amplifier has stabilized. • Note: the Reference 160S should be turned on after the other components of your system. If the Reference 160S is turned on before other components, the amplifier will amplify any extraneous turn-on noises those components might generate, which could potentially damage loudspeakers. -
Page 18: Front Panel Button Functions
Auto Shut Off The Reference 160S is equipped with an auto shut-off feature, designed to turn the amplifier off after two hours of no signal being present at the output of the amplifier. In the event that quiet music is listened to at very low volumes, there may not be adequate signal for the auto shut off... -
Page 19: Auto Bias
Audio Research has tested the Reference 160S with KT120, KT88 and 6550WE output tubes. The Reference 160S will produce less power with any of these tubes and the sound will be degraded. Under no circumstances should any tube not electrically equivelant to the KT150 or 6550WE be installed. -
Page 20: Maintenance
Maintenance Vacuum Tubes It is recommended that you replace the vacuum tubes of your Reference 160S in sets. All of the tubes in your amplifier have been matched to have similar operating characteristics, to provide the best sound quality and reliability. In the event you need to replace a single output tube, please refer to the numbers written on the silver base at the bottom of the vacuum tube when placing an order. -
Page 21: Warranty
Research will fulfill the terms and conditions of the Limited Warranty. 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 description of the problem(s) encountered, and any information necessary for return shipment. - Page 22 POWER OUTPUT: 140 watts continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 1% at 140 watts (70 watts in Triode mode) per channel, below 0.04% at 1 watt (Note that actual power output is dependent upon both line voltage and “condition” i.e.: if power line has high distortion, maximum power will be affected adversely, although from a listening standpoint this is not critical) POWER BANDWIDTH: (-3dB points) 5Hz to 70kHz...
- Page 24 6655 Wedgwood Road North Maple Grove, MN 55311 www.audioresearch.com ©2018 Audio Research Corporation. Reproduction of this document in part or whole is expressly forbidden without written consent from Audio Research Corporation. 95000020 Rev A...
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