Summary of Reference 6
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Reference 6 h i g h d e f i n i t i o n ®.
Page 3: Thank You.
Thank you. Thank you for choosing the reference 6 to be a part of your high performance music listening system. Since 1970, audio research has been creating some of the world’s finest audio equipment. Each piece is handcrafted in minnesota, and has been designed to provide many years of listening en...
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4 contents warnings installation before operating the reference 6 in your system a note about vacuum tubes connections back panel connections input connectors output connectors record output a.C. Power connection rs-232, ir input and 12 v trigger 5 6 7 7 8 9 9 9 9 9 operation front panel controls an...
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5 warnings to prevent fire, or shock hazard, do not expose your reference 6 to rain or moisture. Do not place objects containing water on top of this unit. This unit contains voltages which can cause serious injury or death. Do not operate with covers removed. Refer servicing to your authorized audi...
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6 before operating the reference 6 your reference 6 preamplifier is shipped with the vacuum tubes packed in a separate foam-lined carton. These must be unpacked and installed before you attempt to operate the preamplifier. Included are six 6h30 tubes for the analog stage, and a 6h30 and 6550we used ...
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7 installation in your system to ensure normal component life and safe operation this unit must be operated only in an upright position. Adequate airflow and proper cooling can occur only if there is no restriction above and behind the unit and on either side. The special non-marring elastomer feet ...
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8 connections a.C. Mains connector fuse holder rs-232 connector control connections balanced inputs single-ended inputs main outputs back panel connections record outputs.
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9 connections input connectors the reference 6 provides eight pairs of input connectors; four balanced and four single-ended, labeled bal 1-4 and se 1-4. Output connectors two pairs of bal/se main outputs are provided. The outputs are connected in parallel. If using both outputs simultaneously, the ...
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10 operation front panel controls and display input select vacuum flourescent display volume power on/off menu enter (used with menu) mono/stereo invert phase mute.
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11 operation start-up • secure all rear-panel connections between reference 6, power amplifier(s) and input sources. • plug three-prong power cord from rear of chassis into grounded a.C. Wall outlet. The power switch defaults to ’off’ when the unit is plugged into a power receptacle. • press power s...
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12 front panel controls the reference 6 has two microprocessor- driven rotary controls and six buttons (power, menu, enter, mono, invert, and mute). Left rotary control (input select) select input by rotating the control to the left or right. The screen displays the current input on the left side of...
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13 operation remote only functions in addition to the controls found on the front panel, the remote control offers access to the following additional features of the reference 6. Hours pressing the ‘hours’ button will display the total accumulated hours of operation for the reference 6. This is usef...
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14 operation system settings - menu tree.
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15 operation settings menu the reference 6 has been designed with a simple, intuitive menu to allow adjustment of the various features of the preamplifier. To adjust the settings, press the ‘menu’ button on the remote or front panel. If no further action is taken with the preamplifier or remote for ...
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16 processor mode the reference 6 has the ability to assign unity gain (also called ‘pass through’) to one of the eight inputs available in the event it will be integrated into a system with a secondary control device, such as a surround sound processor. When an input is assigned as the processor in...
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17 display brightness the display brightness feature offers six different settings (including off) for the vacuum flourescent display on the front panel. When the lowest setting (off) is selected, the display will remain on for five seconds after any button is pushed, after which it will revert to a...
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18 vacuum tubes it is recommended that you replace the 6h30 vacuum tubes of your reference 6 in sets. All of the tubes in your preamplifier have been matched to have similar operating characteristics, to provide the best sound quality and reliability. Servicing because of its careful design and exac...
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19 maintenance the reference 6 has three replaceable fuses to help protect the unit in the event of a spurious electrical surge or other situation. When replacing fuses, please use only the specified ratings. Using ‘slugs’ or other devices intended to bypass the function of the fuse will not only vo...
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20 warranty audio research corporation products are covered by a 3-year limited warranty or a 90-day limited warranty (vacuum tubes). This limited warranty initiates from the date of purchase, and is limited to the original purchaser, or in the case of demonstration equipment, limited to the balance...
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21 frequency response: +0-3db, 0.4hz to 200khz at rated output (balanced, 200k ohms load). Distortion: less than .01% at 2v rms bal output. Gain: main output: 12db balanced output, 6db se output. Record out: 0db (processor input: 0db bal output). Input impedance: 120k ohms balanced, 60k ohms se. Inp...
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Specifications subject to change without notice. ©2015 audio research corporation. Reproduction of this document in part or whole is expressly forbidden without written consent from audio research corporation. H i g h d e f i n i t i o n ® 3900 annapolis lane north plymouth, mn 55447 www.Audioresear...